MED · Medifast Inc

$11.95 +0.33 (+2.84%) At close · Aug 21

Market Cap

$133.94M

11.18M

Institutional ownership from SEC Form 13F filings. Investment managers with more than $100 million in U.S. equities must disclose their positions every quarter, within 45 days of quarter-end, so the holdings shown can lag the market by up to a quarter.

Quarter:

Holders: 114

Total Value: $98,614,327

Total Shares: 9,294,477

Institutional Ownership Trend

26 quarters

Holder Concentration

Across 114 13F filers · Δ vs Mar 31, 2026

Top Holder

8.4%

−0.8 pts

Top 5

32.2%

−4.8 pts

Top 10

51.6%

−4.0 pts

HHI

366

Broadly held−50

Quarterly Activity

vs Mar 31, 2026

New

Increased

Decreased

Sold Out

Unchanged

Holder count: -1

Institutional value: -5.6%

Shares held: -9.4%

Top Buyers

vs Mar 31, 2026

Institution	Added	Now Holds
Mega SUSQUEHANNA INTERNATIONAL GROUP, LLP	+147,100	582,500
Mega TWO SIGMA INVESTMENTS, LP	+143,223	481,381
Small COMMONS CAPITAL, LLC	+111,916	149,916
Mega AMERICAN CENTURY COMPANIES INC	+94,631	318,911
Mega AQR CAPITAL MANAGEMENT LLC	+90,859	236,434

Top Sellers

vs Mar 31, 2026

Institution	Sold	Now Holds
Mega BlackRock, Inc.	−574,950	369,503
Mega CITADEL ADVISORS LLC	−388,150	355,350
Mega CHARLES SCHWAB INVESTMENT MANAGEMENT INC	−234,543	396,996
Mega VANGUARD PORTFOLIO MANAGEMENT LLC	−173,721	29,108
Mega STATE STREET CORP	−170,319	52,319

Top New Positions

vs Mar 31, 2026

Institution	Acquired	Value (USD)
Large MARSHALL WACE, LLP	241,649	$2,563,895
Mid RBF Capital, LLC	109,000	$1,156,490
Large TUDOR INVESTMENT CORP ET AL	76,031	$806,688
Large GREAT LAKES ADVISORS, LLC	51,611	$547,592
Mega MILLENNIUM MANAGEMENT LLC	47,906	$508,282

Top Sold-Out Positions

vs Mar 31, 2026

Institution	Previously Held	Last Value (USD)
Large Man Group plc	236,212	$2,407,000
Mega Allianz Asset Management GmbH	59,859	$609,963
Mega Bank of New York Mellon Corp	34,291	$349,423
Mega ALLIANCEBERNSTEIN L.P.	27,320	$278,390
Mega Nuveen, LLC	24,141	$245,995

Filter: New 24 Increased 43 Reduced 32 Sold out 25 Unchanged 15

Showing 100 of 120

All Common Calls Puts

Compact Export CSV

Holder

Value (USD)

% of 13F

RENAISSANCE TECHNOLOGIES LLC

$8,261,052

8.38%

778,610

Steamboat Capital Partners, LLC

$7,498,076

7.60%

706,699

SUSQUEHANNA INTERNATIONAL GROUP, LLP

$5,758,047

5.84%

542,700

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
SUSQUEHANNA SECURITIES, LLC	542,700	$5,758,047	100.0%	Other

TWO SIGMA INVESTMENTS, LP

$5,107,452

5.18%

481,381

VANGUARD CAPITAL MANAGEMENT LLC

$4,738,574

4.81%

446,614

CHARLES SCHWAB INVESTMENT MANAGEMENT INC

$4,212,127

4.27%

396,996

BlackRock, Inc.

$3,920,423

3.98%

369,503

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
BLACKROCK FINANCIAL MANAGEMENT INC/DE	7,981	$84,678	2.2%	Sole
BlackRock Investment Management, LLC	2,634	$27,946	0.7%	Sole
BlackRock Fund Advisors	156,077	$1,655,976	42.2%	Sole
BlackRock Institutional Trust Company, N.A.	188,775	$2,002,902	51.1%	Sole
BlackRock (Netherlands) B.V.	210	$2,228	0.1%	Sole
Aperio Group, LLC	13,826	$146,693	3.7%	Sole

DIMENSIONAL FUND ADVISORS LP

$3,855,608

3.91%

363,394

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
Dimensional Fund Advisors Ltd.	666	$7,066	0.2%	Defined
DFA Australia Ltd.	1,093	$11,596	0.3%	Defined
Dimensional Ireland Ltd	8,368	$88,784	2.3%	Defined
Held directly	353,267	$3,748,162	97.2%	Sole

AMERICAN CENTURY COMPANIES INC

$3,383,645

3.43%

318,911

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
AMERICAN CENTURY INVESTMENT MANAGEMENT INC	318,911	$3,383,645	100.0%	Defined

MORGAN STANLEY

$3,103,506

3.15%

292,508

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
MORGAN STANLEY & CO INTERNATIONAL PLC	650	$6,896	0.2%	Defined
MORGAN STANLEY & CO. LLC	306	$3,246	0.1%	Defined
MORGAN STANLEY CAPITAL SERVICES, LLC	181,620	$1,926,988	62.1%	Defined
MORGAN STANLEY SMITH BARNEY LLC	3,864	$40,996	1.3%	Defined
PARAMETRIC PORTFOLIO ASSOCIATES LLC	106,068	$1,125,380	36.3%	Defined

GOLDMAN SACHS GROUP INC

$2,579,131

2.62%

243,085

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
GOLDMAN SACHS & CO. LLC	180,582	$1,915,975	74.3%	Defined
GOLDMAN SACHS ASSET MANAGEMENT, L.P.	62,503	$663,156	25.7%	Defined

MARSHALL WACE, LLP

$2,563,895

2.60%

241,649

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
Marshall Wace North America L.P. joint	241,649	$2,563,895	100.0%	Other

AQR CAPITAL MANAGEMENT LLC

$2,508,562

2.54%

236,434

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
RF&L WEALTH MANAGEMENT, LLC	7	$74	0.0%	Other
Prism Planning Partners LLC	25	$265	0.0%	Other
Arax Advisory Partners	4,520	$47,957	1.9%	Other
HALBERT HARGROVE GLOBAL ADVISORS, LLC	1,859	$19,723	0.8%	Other
Stokes Family Office, LLC	537	$5,697	0.2%	Other
Held directly	229,486	$2,434,846	97.1%	Defined

CITADEL ADVISORS LLC

$2,476,374

2.51%

233,400

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
Citadel Securities GP LLC	233,400	$2,476,374	100.0%	Defined

Peapod Lane Capital LLC

$2,361,531

2.39%

222,576

Lido Advisors, LLC

$2,337,775

2.37%

220,337

Trexquant Investment LP

$2,256,577

2.29%

212,684

JANE STREET GROUP, LLC

$1,749,386

1.77%

164,881

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
Jane Street Capital, LLC	98,967	$1,050,039	60.0%	Defined
Jane Street Global Trading, LLC	65,914	$699,347	40.0%	Defined

COMMONS CAPITAL, LLC

$1,590,608

1.61%

149,916

Quinn Opportunity Partners LLC

$1,348,658

1.37%

127,112

GEODE CAPITAL MANAGEMENT, LLC

$1,284,562

1.30%

121,071

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
GEODE CAPITAL MANAGEMENT TRUST COMPANY, LLC	23,313	$247,350	19.3%	Defined
Held directly	97,758	$1,037,212	80.7%	Defined

BRIDGEWAY CAPITAL MANAGEMENT, LLC

$1,242,197

1.26%

117,078

RBF Capital, LLC

$1,156,490

1.17%

109,000

Walleye Trading LLC

$1,145,880

1.16%

108,000

JPMORGAN CHASE & CO

$981,551

1.00%

92,512

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
JPMorgan Chase Bank, N.A.	87	$923	0.1%	Defined
J.P. Morgan Securities LLC	92,389	$980,247	99.9%	Defined
J.P. Morgan Securities plc	36	$381	0.0%	Defined

D. E. Shaw & Co., Inc.

$979,780

0.99%

92,345

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
D. E. SHAW & CO, L.P.	58,469	$620,356	63.3%	Defined
D. E. Shaw Investment Management, L.L.C. joint	33,876	$359,424	36.7%	Defined

BANK OF AMERICA CORP /DE/

$924,321

0.94%

87,118

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
BANK OF AMERICA NA	67,040	$711,294	77.0%	Defined
BOFA SECURITIES, INC.	20,078	$213,027	23.0%	Defined

Quantinno Capital Management LP

$880,598

0.89%

82,997

Divisadero Street Capital Management, LP

$847,091

0.86%

79,839

Virtus Family Office LLC

$838,826

0.85%

79,060

TUDOR INVESTMENT CORP ET AL

$806,688

0.82%

76,031

BNP PARIBAS ARBITRAGE, SA

$783,845

0.79%

73,878

FEDERATED HERMES, INC.

$738,508

0.75%

69,605

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
FEDERATED EQUITY MANAGEMENT CO OF PENNSYLVANIA	30,309	$321,578	43.5%	Defined
FEDERATED MDTA LLC	39,296	$416,930	56.5%	Defined

Empowered Funds, LLC

$701,373

0.71%

66,105

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
Bridgeway Capital Management, LLC	48,912	$518,956	74.0%	Other
Sequoia Financial Group, LLC	17,193	$182,417	26.0%	Other

CITADEL ADVISORS LLC

$696,016

0.71%

65,600

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
Citadel Securities GP LLC	65,600	$696,016	100.0%	Defined

VANGUARD FIDUCIARY TRUST CO

$672,005

0.68%

63,337

Atom Investors LP

$659,082

0.67%

62,119

CITADEL ADVISORS LLC

$597,873

0.61%

56,350

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
Citadel Securities GP LLC	3,046	$32,318	5.4%	Defined
Held directly	53,304	$565,555	94.6%	Defined

STATE STREET CORP

$555,104

0.56%

52,319

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
SSGA FUNDS MANAGEMENT, INC. joint	52,319	$555,104	100.0%	Defined

GREAT LAKES ADVISORS, LLC

$547,592

0.56%

51,611

UBS Group AG

$532,865

0.54%

50,223

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
UBS Financial Services Inc	343	$3,639	0.7%	Defined
UBS AG	49,880	$529,226	99.3%	Defined

Engineers Gate Manager LP

$528,685

0.54%

49,829

MILLENNIUM MANAGEMENT LLC

$508,282

0.52%

47,906

SummerHaven Investment Management, LLC

$507,529

0.51%

47,835

Centiva Capital, LP

$471,423

0.48%

44,432

Susquehanna Portfolio Strategies, LLC

$443,253

0.45%

41,777

Jump Financial, LLC

$429,705

0.44%

40,500

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
Jump Trading Holdings, LLC joint	800	$8,488	2.0%	Defined
Leap GP LLC joint	39,700	$421,217	98.0%	Defined

SUSQUEHANNA INTERNATIONAL GROUP, LLP

$422,278

0.43%

39,800

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
SUSQUEHANNA SECURITIES, LLC	39,800	$422,278	100.0%	Other

GSA CAPITAL PARTNERS LLP

$407,880

0.41%

38,443

VICTORY CAPITAL MANAGEMENT INC

$378,299

0.38%

35,655

Jain Global LLC

$373,716

0.38%

35,223

PDT Partners, LLC

$347,541

0.35%

32,756

PRICE T ROWE ASSOCIATES INC /MD/

$343,530

0.35%

32,378

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
T. Rowe Price International Ltd	32,378	$343,530	100.0%	Defined

PEAK6 LLC

$333,154

0.34%

31,400

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
PEAK6 Investments LLC joint	31,400	$333,154	100.0%	Defined

XTX Topco Ltd

$325,238

0.33%

30,654

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
XTX EXECUTION SERVICES LLC joint	30,654	$325,238	100.0%	Defined

Marquette Asset Management, LLC

$318,703

0.32%

30,038

VANGUARD PORTFOLIO MANAGEMENT LLC

$308,835

0.31%

29,108

NORTHERN TRUST CORP

$294,490

0.30%

27,756

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
NORTHERN TRUST CO joint	27,756	$294,490	100.0%	Defined

Chico Wealth RIA

$222,810

0.23%

21,000

Point72 Asset Management, L.P.

$222,799

0.23%

20,999

Squarepoint Ops LLC

$213,685

0.22%

20,140

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
Squarepoint Capital LLP	20,140	$213,685	100.0%	Defined

State of Wyoming

$197,282

0.20%

18,594

Walleye Capital LLC

$182,492

0.19%

17,200

MERCER GLOBAL ADVISORS INC /ADV

$178,057

0.18%

16,782

Brevan Howard Capital Management LP

$159,415

0.16%

15,025

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
Brevan Howard US Investment Management, LP	15,025	$159,415	100.0%	Defined

LITTLEJOHN FINANCIAL SERVICES, INC.

$146,778

0.15%

13,834

Invesco Ltd.

$141,271

0.14%

13,315

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
Invesco Advisers, Inc. joint	40	$424	0.3%	Defined
Invesco Capital Management LLC	13,275	$140,847	99.7%	Defined

Schonfeld Strategic Advisors LLC

$131,213

0.13%

12,367

IEQ CAPITAL, LLC

$113,951

0.12%

10,740

WEALTH ENHANCEMENT ADVISORY SERVICES, LLC

$113,346

0.11%

10,683

Verdad Advisers, LP

$108,582

0.11%

10,234

Arax Advisory Partners

$79,256

0.08%

7,470

RHUMBLINE ADVISERS

$68,805

0.07%

6,485

Tower Research Capital LLC (TRC)

$64,932

0.07%

6,120

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
Tower Research Capital Investments LLC	124	$1,315	2.0%	Other
Latour Trading LLC (Latour)	5,996	$63,617	98.0%	Defined

Russell Investments Group, Ltd.

$49,782

0.05%

4,692

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
Russell Investment Management, LLC	4,692	$49,782	100.0%	Defined

Vanguard Global Advisers, LLC

$41,612

0.04%

3,922

Walleye Trading LLC

$36,074

0.04%

3,400

FMR LLC

$28,964

0.03%

2,730

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
Fidelity Management & Research Co LLC	2,073	$21,994	75.9%	Defined
STRATEGIC ADVISERS LLC	657	$6,970	24.1%	Defined

WELLS FARGO & COMPANY/MN

$23,522

0.02%

2,217

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
WELLS FARGO ADVISORS FINANCIAL NETWORK, LLC	1,966	$20,859	88.7%	Defined
WELLS FARGO CLEARING SERVICES, LLC	251	$2,663	11.3%	Defined

Walleye Capital LLC

$16,976

0.02%

1,600

Walleye Capital LLC

$15,405

0.02%

1,452

PNC FINANCIAL SERVICES GROUP, INC.

$14,704

0.01%

1,386

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
PNC Bank, National Association	1,386	$14,704	100.0%	Defined

OSAIC HOLDINGS, INC.

$14,535

0.01%

1,370

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
OSAIC WEALTH, INC.	56	$594	4.1%	Defined
Osaic Advisory Services, LLC	1,314	$13,941	95.9%	Defined

Integrated Wealth Concepts LLC

$11,289

0.01%

1,064

GAMMA Investing LLC

$11,055

0.01%

1,042

CREATIVE FINANCIAL DESIGNS INC /ADV

$10,610

0.01%

1,000

BARCLAYS PLC

$8,753

0.01%

825

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
BARCLAYS CAPITAL INC.	825	$8,753	100.0%	Defined

SIGNATUREFD, LLC

$7,395

0.01%

697

Pinnacle Wealth Planning Services, Inc.

$6,694

0.01%

631

UBS AM, a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC

$6,376

0.01%

601

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
UBS Group AG	601	$6,376	100.0%	Defined

JONES FINANCIAL COMPANIES LLLP

$6,111

0.01%

576

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
Edward D. Jones & Co., L.P.	576	$6,111	100.0%	Sole

Allworth Financial LP

$5,549

0.01%

523

C M BIDWELL & ASSOCIATES LTD

$5,273

0.01%

497

IFP Advisors, Inc

$4,657

0.00%

439

Versant Capital Management, Inc

$3,289

0.00%

310

EverSource Wealth Advisors, LLC

$2,905

0.00%

274

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
BMSS Wesson Wealth Solutions, LLC	10	$105	3.6%	Sole
Held directly	264	$2,800	96.4%	Sole

Advisors Asset Management, Inc.

$1,273

0.00%

120

GILL CAPITAL PARTNERS, LLC

$1,145

0.00%

108

MJT & Associates Financial Advisory Group, Inc.

$1,061

0.00%

100

True Wealth Design, LLC

$954

0.00%

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
RBC CMA LTD.	2	$21	3.7%	Defined
RBC Capital Markets, LLC	36	$381	67.9%	Defined
Held directly	15	$159	28.3%	Sole

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
Fifth Third Bank, National Association	48	$509	100.0%	Defined

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
Numeric Investors LLC	236,212	$2,407,000	100.0%	Defined

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
Pacific Investment Management Company LLC	59,859	$609,963	100.0%	Defined

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
Mellon Investments Corporation	15,681	$159,789	45.7%	Defined
The Bank of New York Mellon	18,598	$189,513	54.2%	Defined
BNY Mellon, NA joint	10	$101	0.0%	Defined
Held directly	2	$20	0.0%	Defined

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
Equitable Holdings, Inc.	27,320	$278,390	100.0%	Defined

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
Nuveen Asset Management, LLC joint	289	$2,944	1.2%	Defined
TEACHERS ADVISORS, LLC joint	23,852	$243,051	98.8%	Defined

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
DWS Investments UK Ltd	8,625	$87,888	100.0%	Defined

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
Global X Management CO LLC joint	5,114	$52,111	100.0%	Defined

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
Intesa Sanpaolo S.p.A.	4,430	$45,141	100.0%	Defined

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
Citigroup Financial Products Inc. joint	3,599	$36,673	100.0%	Defined

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
Mellon Capital	2,164	$22,051	100.0%	Defined

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
EATON VANCE MANAGEMENT	1,067	$10,872	100.0%	Other

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
Legal & General Investment Management America Inc	929	$9,466	100.0%	Defined

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
Optiver VOF	112	$1,141	100.0%	Defined

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
Manager 1	110	$1,120	100.0%	Defined

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
National Bank Financial Inc.	7	$71	100.0%	Defined

Key facts CIK 910329 CUSIP 58470H101 13F (30d) 111 filings 104 filers Visit website Investor relations