MAIN · Main Street Capital CORP

$57.92 +0.05 (+0.09%)

Market Cap

$5.42B

93.51M

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: 404

Total Value: $1,221,347,402

Total Shares: 23,541,824

Showing 1–100 of 410 holdings by value · page 1 of 5

Institutional Ownership Trend

26 quarters

Holder Concentration

Across 404 13F filers · Δ vs Mar 31, 2026

Top Holder

14.2%

+3.1 pts

Top 5

35.0%

+3.0 pts

Top 10

46.6%

+3.7 pts

HHI

385

Broadly held+71

Quarterly Activity

vs Mar 31, 2026

New

Increased

148

Decreased

125

Sold Out

Unchanged

Holder count: -24

Institutional value: -5.3%

Shares held: -3.5%

Top Buyers

vs Mar 31, 2026

Institution	Added	Now Holds
Mega PRICE T ROWE ASSOCIATES INC /MD/	+633,696	3,342,499
Mega JANE STREET GROUP, LLC	+229,952	248,152
Mega Qube Research & Technologies Ltd	+168,367	654,166
Mega Invesco Ltd.	+121,492	553,967
Mega CITADEL ADVISORS LLC	+70,689	181,231

Top Sellers

vs Mar 31, 2026

Institution	Sold	Now Holds
Mega TWO SIGMA INVESTMENTS, LP	−513,738	10,300
Mega CITIGROUP INC	−255,448	653
Mega MILLENNIUM MANAGEMENT LLC	−225,335	134,503
Mega VAN ECK ASSOCIATES CORP	−223,648	1,885,274
Mega D. E. Shaw & Co., Inc.	−168,007	375,318

Top New Positions

vs Mar 31, 2026

Institution	Acquired	Value (USD)
Mid Arax Advisory Partners	151,274	$7,848,095
Small TECTONIC ADVISORS LLC	145,445	$7,545,685
Mid Ilex Capital Partners (UK) LLP	73,207	$3,797,979
Large HRT FINANCIAL LP	56,143	$2,912,698
Large ExodusPoint Capital Management, LP	40,444	$2,098,234

Top Sold-Out Positions

vs Mar 31, 2026

Institution	Previously Held	Last Value (USD)
Large MARSHALL WACE, LLP	205,441	$10,880,154
Mid U.S. Capital Wealth Advisors, LLC	139,128	$7,368,218
Mid Engineers Gate Manager LP	73,242	$3,878,896
Large Point72 Asset Management, L.P.	72,144	$3,820,746
Large CWM, LLC	39,814	$2,108,549

Filter: New 42 Increased 148 Reduced 125 Sold out 66 Unchanged 89

Showing 100 of 410

All Common Calls Puts

Compact Export CSV

Holder

Value (USD)

% of 13F

PRICE T ROWE ASSOCIATES INC /MD/

$173,408,847

14.20%

3,342,499

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

Manager	Shares	Value (USD)	% of position	Discretion
T. Rowe Price Australia Limited	6,403	$332,187	0.2%	Defined
Held directly	3,336,096	$173,076,660	99.8%	Sole

VAN ECK ASSOCIATES CORP

$97,808,014

8.01%

1,885,274

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

Manager	Shares	Value (USD)	% of position	Discretion
VanEck Investments Limited	233,189	$12,097,845	12.4%	Sole
Held directly	1,652,085	$85,710,169	87.6%	Sole

UBS Group AG

$71,995,482

5.89%

1,387,731

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	21,986	$1,140,633	1.6%	Defined
UBS AG	1,147,527	$59,533,700	82.7%	Defined
UBS Switzerland AG	15,218	$789,509	1.1%	Defined
UBS Securities LLC	203,000	$10,531,640	14.6%	Defined

Legal & General Group Plc

$43,322,757

3.55%

835,057

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 Ltd	835,057	$43,322,757	100.0%	Defined

MORGAN STANLEY

$40,792,412

3.34%

786,284

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	358	$18,573	0.0%	Defined
MORGAN STANLEY & CO. LLC	1,890	$98,053	0.2%	Defined
MORGAN STANLEY CAPITAL SERVICES, LLC	149,914	$7,777,538	19.1%	Defined
MORGAN STANLEY SMITH BARNEY LLC	579,583	$30,068,766	73.7%	Defined
PARAMETRIC PORTFOLIO ASSOCIATES LLC	8,740	$453,430	1.1%	Defined
EATON VANCE MANAGEMENT	45,799	$2,376,052	5.8%	Defined

Qube Research & Technologies Ltd

$33,938,132

2.78%

654,166

Invesco Ltd.

$28,739,807

2.35%

553,967

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	666	$34,552	0.1%	Defined
Invesco Investment Advisers LLC	2,078	$107,806	0.4%	Defined
Invesco Capital Management LLC	551,223	$28,597,449	99.5%	Defined

ADELL HARRIMAN & CARPENTER INC

$25,888,016

2.12%

498,998

Muzinich & Co., Inc.

$25,728,485

2.11%

495,923

BlackRock, Inc.

$20,939,959

1.71%

403,623

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

Manager	Shares	Value (USD)	% of position	Discretion
BlackRock Investment Management, LLC	55	$2,853	0.0%	Sole
BlackRock (Netherlands) B.V.	2,132	$110,608	0.5%	Sole
BlackRock Asset Management Ireland Ltd	339,525	$17,614,557	84.1%	Sole
Aperio Group, LLC	61,385	$3,184,653	15.2%	Sole
SpiderRock Advisors, LLC	526	$27,288	0.1%	Sole

Sumitomo Mitsui Trust Group, Inc.

$19,481,406

1.60%

375,509

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

Manager	Shares	Value (USD)	% of position	Discretion
Amova Asset Management Co., Ltd.	375,509	$19,481,406	100.0%	Defined

D. E. Shaw & Co., Inc.

$19,471,497

1.59%

375,318

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.	375,318	$19,471,497	100.0%	Defined

LPL Financial LLC

$18,033,488

1.48%

347,600

FRANKLIN RESOURCES INC

$17,782,544

1.46%

342,763

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

Manager	Shares	Value (USD)	% of position	Discretion
PUTNAM INVESTMENT MANAGEMENT LLC	342,763	$17,782,544	100.0%	Defined

GOLDMAN SACHS GROUP INC

$17,239,257

1.41%

332,291

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	332,291	$17,239,257	100.0%	Defined

PUBLIC EMPLOYEES RETIREMENT ASSOCIATION OF COLORADO

$14,598,876

1.20%

281,397

SUSQUEHANNA INTERNATIONAL GROUP, LLP

$14,054,292

1.15%

270,900

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

Manager	Shares	Value (USD)	% of position	Discretion
SUSQUEHANNA SECURITIES, LLC	270,900	$14,054,292	100.0%	Other

CHILDRESS CAPITAL ADVISORS, LLC

$13,371,188

1.09%

257,733

RAYMOND JAMES FINANCIAL INC

$12,379,449

1.01%

238,617

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

Manager	Shares	Value (USD)	% of position	Discretion
RAYMOND JAMES & ASSOCIATES	75,732	$3,928,976	31.7%	Defined
Raymond James Financial Services Advisors, Inc.	157,513	$8,171,774	66.0%	Defined
RAYMOND JAMES TRUST N.A.	5,372	$278,699	2.3%	Defined

SUSQUEHANNA INTERNATIONAL GROUP, LLP

$11,496,608

0.94%

221,600

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

Manager	Shares	Value (USD)	% of position	Discretion
SUSQUEHANNA SECURITIES, LLC	221,600	$11,496,608	100.0%	Other

Trinity Legacy Partners, LLC

$11,301,746

0.93%

217,844

SANDERS MORRIS HARRIS LLC

$10,353,120

0.85%

199,559

ROYAL BANK OF CANADA

$9,068,363

0.74%

174,795

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

Manager	Shares	Value (USD)	% of position	Discretion
RBC Capital Markets, LLC	107,243	$5,563,766	61.4%	Defined
RBC Dominion Securities Inc.	66,965	$3,474,144	38.3%	Defined
RBC Private Counsel (USA) Inc.	475	$24,643	0.3%	Defined
RBC Rochdale, LLC	112	$5,810	0.1%	Defined

Bridgelight Financial Advisors, Inc.

$8,641,288

0.71%

166,563

Private Advisor Group, LLC

$8,428,580

0.69%

162,463

OSAIC HOLDINGS, INC.

$8,416,387

0.69%

162,228

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

Manager	Shares	Value (USD)	% of position	Discretion
OSAIC WEALTH, INC.	145,129	$7,529,292	89.5%	Defined
OSAIC INSTITUTIONS, INC.	20	$1,037	0.0%	Defined
Osaic Advisory Services, LLC	17,079	$886,058	10.5%	Defined

Cambridge Investment Research Advisors, Inc.

$7,986,874

0.65%

153,949

Arax Advisory Partners

$7,848,095

0.64%

151,274

BENJAMIN EDWARDS INC

$7,556,581

0.62%

145,655

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

Manager	Shares	Value (USD)	% of position	Discretion
BENJAMIN F. EDWARDS & COMPANY, INC.	145,655	$7,556,581	100.0%	Defined

TECTONIC ADVISORS LLC

$7,545,685

0.62%

145,445

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

Manager	Shares	Value (USD)	% of position	Discretion
CAIN, WATTERS & ASSOCIATES, LLC	145,111	$7,528,358	99.8%	Other
Held directly	334	$17,327	0.2%	Sole

JPMORGAN CHASE & CO

$7,360,734

0.60%

141,880

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

Manager	Shares	Value (USD)	% of position	Discretion
J.P. Morgan Investment Management Inc.	1,466	$76,056	1.0%	Defined
J.P. Morgan Securities LLC	139,858	$7,255,833	98.6%	Defined
55I, LLC	556	$28,845	0.4%	Other

MILLENNIUM MANAGEMENT LLC

$6,978,015

0.57%

134,503

WELLS FARGO & COMPANY/MN

$6,924,579

0.57%

133,473

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	13,224	$686,061	9.9%	Defined
WELLS FARGO CLEARING SERVICES, LLC	119,499	$6,199,608	89.5%	Defined
WELLS FARGO INVESTMENT INSTITUTE, INC.	750	$38,910	0.6%	Defined

Balyasny Asset Management L.P.

$6,906,525

0.57%

133,125

TCTC Holdings, LLC

$6,884,009

0.56%

132,691

STATE STREET CORP

$6,766,967

0.55%

130,435

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

Manager	Shares	Value (USD)	% of position	Discretion
STATE STREET GLOBAL ADVISORS TRUST COMPANY	130,435	$6,766,967	100.0%	Defined

AMERIPRISE FINANCIAL INC

$6,705,022

0.55%

129,241

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

Manager	Shares	Value (USD)	% of position	Discretion
Columbia Management Investment Advisers, LLC	366	$18,988	0.3%	Defined
Ameriprise Financial Services, LLC joint	128,467	$6,664,867	99.4%	Defined
Ameriprise Bank, FSB	408	$21,167	0.3%	Defined

Joel Isaacson & Co., LLC

$6,703,207

0.55%

129,206

HOURGLASS CAPITAL, LLC

$6,311,202

0.52%

121,650

BANK OF AMERICA CORP /DE/

$6,093,927

0.50%

117,462

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	69,558	$3,608,669	59.2%	Defined
MERRILL LYNCH, PIERCE, FENNER & SMITH INC.	41,828	$2,170,036	35.6%	Defined
BOFA SECURITIES, INC.	6,076	$315,222	5.2%	Defined

Segment Wealth Management, LLC

$5,953,126

0.49%

114,748

Hamilton Point Investment Advisors, LLC

$5,899,015

0.48%

113,705

CANADA LIFE ASSURANCE Co

$5,884,904

0.48%

113,433

TUDOR INVESTMENT CORP ET AL

$5,788,614

0.47%

111,577

Beacon Pointe Advisors, LLC

$5,664,569

0.46%

109,186

Meridian Wealth Management, LLC

$5,645,010

0.46%

108,809

JANE STREET GROUP, LLC

$5,465,660

0.45%

105,352

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	43,609	$2,262,434	41.4%	Defined
Jane Street Global Trading, LLC	61,743	$3,203,226	58.6%	Defined

Naviter Wealth, LLC

$5,232,720

0.43%

100,862

J.W. COLE ADVISORS, INC.

$5,218,764

0.43%

100,593

BNP PARIBAS ARBITRAGE, SA

$5,189,556

0.42%

100,030

Cetera Investment Advisers

$5,033,708

0.41%

97,026

DENALI ADVISORS LLC

$4,959,261

0.41%

95,591

CONFLUENCE INVESTMENT MANAGEMENT LLC

$4,850,053

0.40%

93,486

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

Manager	Shares	Value (USD)	% of position	Discretion
Manager 1	77,208	$4,005,551	82.6%	Defined
Held directly	16,278	$844,502	17.4%	Sole

HighTower Advisors, LLC

$4,813,426

0.39%

92,780

Integrated Wealth Concepts LLC

$4,678,123

0.38%

90,172

FIRST TRUST ADVISORS LP

$4,630,082

0.38%

89,246

ALBION FINANCIAL GROUP /UT

$4,571,250

0.37%

88,112

Trexquant Investment LP

$4,489,850

0.37%

86,543

CITADEL ADVISORS LLC

$4,326,792

0.35%

83,400

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	83,400	$4,326,792	100.0%	Defined

Advisors Asset Management, Inc.

$4,011,828

0.33%

77,329

Texas Yale Capital Corp.

$3,961,712

0.32%

76,363

JANE STREET GROUP, LLC

$3,849,496

0.32%

74,200

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	74,200	$3,849,496	100.0%	Defined

Creative Planning

$3,813,957

0.31%

73,515

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

Manager	Shares	Value (USD)	% of position	Discretion
CREATIVE PLANNING TRUST Co LLC	103	$5,343	0.1%	Defined
Held directly	73,412	$3,808,614	99.9%	Sole

Ilex Capital Partners (UK) LLP

$3,797,979

0.31%

73,207

JANE STREET GROUP, LLC

$3,558,968

0.29%

68,600

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	68,600	$3,558,968	100.0%	Defined

Baker Avenue Asset Management, LP

$3,450,020

0.28%

66,500

CITADEL ADVISORS LLC

$3,439,644

0.28%

66,300

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	66,300	$3,439,644	100.0%	Defined

Pembroke Management, LTD

$3,438,554

0.28%

66,279

Kestra Advisory Services, LLC

$3,228,699

0.26%

62,234

IHT Wealth Management, LLC

$3,190,204

0.26%

61,492

Larson Financial Group LLC

$3,164,887

0.26%

61,004

COMMONWEALTH EQUITY SERVICES, LLC

$3,100,296

0.25%

59,759

Sound Income Strategies, LLC

$3,099,933

0.25%

59,752

Fund Advisors of America Inc/FL

$2,996,173

0.25%

57,752

Midwest Professional Planners, LTD.

$2,965,875

0.24%

57,168

HRT FINANCIAL LP

$2,912,698

0.24%

56,143

VESTOR CAPITAL, LLC

$2,864,191

0.23%

55,208

Rockefeller Capital Management L.P.

$2,812,725

0.23%

54,216

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

Manager	Shares	Value (USD)	% of position	Discretion
ROCKEFELLER & CO. LLC	14,590	$756,929	26.9%	Defined
ROCKEFELLER FINANCIAL LLC	39,626	$2,055,796	73.1%	Defined

FJ Capital Management LLC

$2,754,049

0.23%

53,085

Mariner, LLC

$2,717,163

0.22%

52,374

M&T Bank Corp

$2,684,790

0.22%

51,750

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

Manager	Shares	Value (USD)	% of position	Discretion
Wilmington Trust National Association	400	$20,752	0.8%	Defined
Wilmington Trust Company	51,350	$2,664,038	99.2%	Defined

Taylor Frigon Capital Management LLC

$2,631,768

0.22%

50,728

ENVESTNET ASSET MANAGEMENT INC

$2,597,112

0.21%

50,060

Russell Investments Group, Ltd.

$2,561,263

0.21%

49,369

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	1,137	$58,987	2.3%	Defined
Russell Investments Limited	48,232	$2,502,276	97.7%	Defined

Concurrent Investment Advisors, LLC

$2,556,698

0.21%

49,281

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

Manager	Shares	Value (USD)	% of position	Discretion
Concurrent Asset Management, LLC	533	$27,652	1.1%	Sole
Held directly	48,748	$2,529,046	98.9%	Sole

Prospera Financial Services Inc

$2,552,340

0.21%

49,197

Focus Financial Network, Inc.

$2,425,441

0.20%

46,751

Bank of New York Mellon Corp

$2,382,224

0.20%

45,918

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

Manager	Shares	Value (USD)	% of position	Discretion
Mellon Investments Corporation	33,872	$1,757,279	73.8%	Defined
BNY Mellon, NA joint	55	$2,853	0.1%	Defined
BNY Mellon Advisors, Inc.	11,989	$621,989	26.1%	Defined
Held directly	2	$103	0.0%	Defined

SUSQUEHANNA INTERNATIONAL GROUP, LLP

$2,342,744

0.19%

45,157

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

Manager	Shares	Value (USD)	% of position	Discretion
SUSQUEHANNA SECURITIES, LLC	21,053	$1,092,229	46.6%	Other
G1 EXECUTION SERVICES, LLC	24,104	$1,250,515	53.4%	Other

Capital Investment Advisors, LLC

$2,322,563

0.19%

44,768

NewEdge Advisors, LLC

$2,311,669

0.19%

44,558

BARCLAYS PLC

$2,285,935

0.19%

44,062

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

Manager	Shares	Value (USD)	% of position	Discretion
BARCLAYS BANK PLC	44,042	$2,284,898	100.0%	Defined
BARCLAYS CAPITAL INC.	8	$415	0.0%	Defined
BARCLAYS CAPITAL SECURITIES LTD	12	$622	0.0%	Defined

First Financial Bankshares Inc

$2,258,907

0.18%

43,541

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

Manager	Shares	Value (USD)	% of position	Discretion
First Financial Trust & Asset Management Company	43,541	$2,258,907	100.0%	Defined

KING LUTHER CAPITAL MANAGEMENT CORP

$2,200,230

0.18%

42,410

ExodusPoint Capital Management, LP

$2,098,234

0.17%

40,444

BLAIR WILLIAM & CO/IL

$2,006,459

0.16%

38,675

Clear Trail Advisors, LLC

$1,991,154

0.16%

38,380

Squarepoint Ops LLC

$1,981,141

0.16%

38,187

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

Manager	Shares	Value (USD)	% of position	Discretion
Squarepoint Capital LLP	38,187	$1,981,141	100.0%	Defined

SHARPEPOINT LLC

$1,976,783

0.16%

38,103

Advisory Services Network, LLC

$1,962,983

0.16%

37,837

Key facts CIK 1396440 CUSIP 56035L104 13F (30d) 244 filings 242 filers Visit website Investor relations