AKBA · Akebia Therapeutics, Inc. · Holdings

$0.88 +0.01 (+1.03%)

Russell 2000 member Rebalance outlook locked

Market Cap

$244.05M

277.11M

Volume · Oct 1 4.52M Avg daily vol (3M) 6.02M

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.

Use institutional holdings through the 13F API or MCP →

Some SEC filings for this period have not finished importing. Holder totals and changes may be incomplete; these filings remain queued for recovery.

Quarter:

Holders: 171

Total Value: $124,005,990

Total Shares: 108,792,237

Showing 1–100 of 176 holdings by value · page 1 of 2

Institutional Ownership Trend

26 quarters

Superinvestors Holding AKBA

All superinvestors →

Joel Greenblatt $41,100

Holder Concentration

Across 171 13F filers · Δ vs Mar 31, 2026

Top Holder

18.4%

+0.1 pts

Top 5

48.3%

−1.9 pts

Top 10

64.6%

+2.1 pts

HHI

674

Broadly held−28

Quarterly Activity

vs Mar 31, 2026

New

Increased

Decreased

Sold Out

Unchanged

Holder count: -1

Institutional value: -13.0%

Shares held: +6.1%

Top Buyers

vs Mar 31, 2026

Institution	Added	Now Holds
Mega AQR CAPITAL MANAGEMENT LLC	+7,358,904	9,151,524
Large JACOBS LEVY EQUITY MANAGEMENT, INC	+3,843,357	4,273,026
Large ACADIAN ASSET MANAGEMENT LLC	+2,627,799	4,004,867
Mega BlackRock, Inc.	+1,293,078	19,986,374
Mega TWO SIGMA INVESTMENTS, LP	+1,138,872	2,436,673

Top Sellers

vs Mar 31, 2026

Institution	Sold	Now Holds
Mega STATE STREET CORP	−6,223,153	5,390,853
Mega BANK OF AMERICA CORP /DE/	−2,304,612	458,750
Mega CITIGROUP INC	−1,730,016	1,124,570
Mega JANE STREET GROUP, LLC	−1,521,074	67,500
Mega Qube Research & Technologies Ltd	−615,508	1,779,707

Top New Positions

vs Mar 31, 2026

Institution	Acquired	Value (USD)
Mid CHOREO, LLC	562,423	$641,162
Large Quantinno Capital Management LP	562,123	$640,820
Mid Eversept Partners, LP	427,095	$486,888
Large PUBLIC EMPLOYEES RETIREMENT SYSTEM OF OHIO	294,900	$336,186
Large Mariner, LLC	154,256	$175,851

Top Sold-Out Positions

vs Mar 31, 2026

Institution	Previously Held	Last Value (USD)
Large HRT FINANCIAL LP	976,937	$1,357,942
Mid Voleon Capital Management LP	675,656	$939,161
Mega AMERICAN CENTURY COMPANIES INC	415,988	$578,223
Large Rafferty Asset Management, LLC	327,110	$454,682
Mid XTX Topco Ltd	244,453	$339,789

Filter: New 37 Increased 67 Reduced 35 Sold out 38 Unchanged 32

Showing 100 of 176

All Common Calls Puts

Compact Export CSV

Holder

Value (USD)

% of 13F

BlackRock, Inc.

$22,784,462

18.37%

19,986,374

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	166,587	$189,909	0.8%	Sole
BlackRock Asset Management Canada Ltd	981	$1,118	0.0%	Sole
BlackRock Investment Management, LLC	737,231	$840,443	3.7%	Sole
BLACKROCK ADVISORS LLC	513,271	$585,128	2.6%	Sole
BlackRock Fund Advisors	11,230,325	$12,802,570	56.2%	Sole
BlackRock Institutional Trust Company, N.A.	7,294,864	$8,316,144	36.5%	Sole
BlackRock (Netherlands) B.V.	11,897	$13,562	0.1%	Sole
Aperio Group, LLC	31,218	$35,588	0.2%	Sole

VANGUARD CAPITAL MANAGEMENT LLC

$12,907,243

10.41%

11,322,143

AQR CAPITAL MANAGEMENT LLC

$10,432,735

8.41%

9,151,524

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	77	$87	0.0%	Other
Compound Planning, Inc.	38	$43	0.0%	Other
Arax Advisory Partners	14,221	$16,211	0.2%	Other
HALBERT HARGROVE GLOBAL ADVISORS, LLC	5,750	$6,555	0.1%	Other
Stokes Family Office, LLC	988	$1,126	0.0%	Other
Held directly	9,130,450	$10,408,713	99.8%	Defined

GEODE CAPITAL MANAGEMENT, LLC

$7,669,123

6.18%

6,727,302

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	976,677	$1,113,411	14.5%	Defined
Held directly	5,750,625	$6,555,712	85.5%	Defined

STATE STREET CORP

$6,145,572

4.96%

5,390,853

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 EUROPE LIMITED joint	5,390,853	$6,145,572	100.0%	Defined

JACOBS LEVY EQUITY MANAGEMENT, INC

$4,871,249

3.93%

4,273,026

ACADIAN ASSET MANAGEMENT LLC

$4,565,548

3.68%

4,004,867

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

Manager	Shares	Value (USD)	% of position	Discretion
Acadian Inc	4,004,867	$4,565,548	100.0%	Defined

GOLDMAN SACHS GROUP INC

$4,205,650

3.39%

3,689,167

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	2,438,458	$2,779,842	66.1%	Defined
GOLDMAN SACHS ASSET MANAGEMENT, L.P.	1,250,709	$1,425,808	33.9%	Defined

MILLENNIUM MANAGEMENT LLC

$3,644,129

2.94%

3,196,605

VANGUARD PORTFOLIO MANAGEMENT LLC

$2,888,733

2.33%

2,533,977

TWO SIGMA INVESTMENTS, LP

$2,777,807

2.24%

2,436,673

CHARLES SCHWAB INVESTMENT MANAGEMENT INC

$2,622,499

2.11%

2,300,438

NORTHERN TRUST CORP

$2,462,815

1.99%

2,160,365

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	2,119,886	$2,416,669	98.1%	Defined
DWS INVESTMENT MANAGEMENT AMERICAS, INC joint	40,479	$46,146	1.9%	Other

Nantahala Capital Management, LLC

$2,280,000

1.84%

2,000,000

VANGUARD FIDUCIARY TRUST CO

$2,176,028

1.75%

1,908,797

FMR LLC

$2,133,006

1.72%

1,871,059

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	1,870,585	$2,132,466	100.0%	Defined
STRATEGIC ADVISERS LLC	474	$540	0.0%	Defined

Qube Research & Technologies Ltd

$2,028,865

1.64%

1,779,707

CITADEL ADVISORS LLC

$1,958,130

1.58%

1,717,659

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	1,654,288	$1,885,888	96.3%	Defined
Held directly	63,371	$72,242	3.7%	Defined

UBS Group AG

$1,567,442

1.26%

1,374,950

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	46,346	$52,834	3.4%	Defined
UBS AG	1,324,952	$1,510,445	96.4%	Defined
UBS Switzerland AG	1	$1	0.0%	Defined
UBS Securities LLC	3,651	$4,162	0.3%	Defined

RENAISSANCE TECHNOLOGIES LLC

$1,395,317

1.13%

1,223,963

CITIGROUP INC

$1,282,008

1.03%

1,124,570

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	1,124,570	$1,282,008	100.0%	Defined

Hennion & Walsh Asset Management, Inc.

$957,291

0.77%

839,729

MORGAN STANLEY

$799,753

0.64%

701,540

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	547	$623	0.1%	Defined
MORGAN STANLEY & CO. LLC	70,445	$80,307	10.0%	Defined
MORGAN STANLEY CAPITAL SERVICES, LLC	512,799	$584,590	73.1%	Defined
MORGAN STANLEY SMITH BARNEY LLC	113,544	$129,440	16.2%	Defined
PARAMETRIC PORTFOLIO ASSOCIATES LLC	4,205	$4,793	0.6%	Defined

Invesco Ltd.

$792,216

0.64%

694,928

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	36,726	$41,867	5.3%	Defined
Invesco Trust Co joint	102,603	$116,967	14.8%	Defined
Invesco Capital Management LLC	555,599	$633,382	80.0%	Defined

MANGROVE PARTNERS IM, LLC

$760,327

0.61%

666,954

AMERIPRISE FINANCIAL INC

$713,821

0.58%

626,160

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	616,846	$703,204	98.5%	Defined
Ameriprise Financial Services, LLC	9,314	$10,617	1.5%	Defined

Bank of New York Mellon Corp

$705,828

0.57%

619,149

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

Manager	Shares	Value (USD)	% of position	Discretion
Mellon Investments Corporation	199,406	$227,322	32.2%	Defined
The Bank of New York Mellon	419,741	$478,504	67.8%	Defined
Held directly	2	$2	0.0%	Defined

Nuveen, LLC

$680,122

0.55%

596,599

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	49,934	$56,924	8.4%	Defined
TEACHERS ADVISORS, LLC joint	546,665	$623,198	91.6%	Defined

SUSQUEHANNA INTERNATIONAL GROUP, LLP

$672,395

0.54%

589,821

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

Manager	Shares	Value (USD)	% of position	Discretion
SUSQUEHANNA SECURITIES, LLC	589,821	$672,395	100.0%	Other

CHOREO, LLC

$641,162

0.52%

562,423

Quantinno Capital Management LP

$640,820

0.52%

562,123

Creative Planning

$622,143

0.50%

545,740

LOS ANGELES CAPITAL MANAGEMENT LLC

$606,266

0.49%

531,813

PANAGORA ASSET MANAGEMENT INC

$531,831

0.43%

466,519

BANK OF AMERICA CORP /DE/

$522,974

0.42%

458,750

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	415,182	$473,307	90.5%	Defined
BOFA SECURITIES, INC.	43,568	$49,667	9.5%	Defined

Eversept Partners, LP

$486,888

0.39%

427,095

DIMENSIONAL FUND ADVISORS LP

$408,833

0.33%

358,627

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.	21,251	$24,226	5.9%	Defined
Dimensional Ireland Ltd	67,735	$77,217	18.9%	Defined
Held directly	269,641	$307,390	75.2%	Sole

ALLIANCEBERNSTEIN L.P.

$404,597

0.33%

354,910

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

Manager	Shares	Value (USD)	% of position	Discretion
Equitable Holdings, Inc.	354,910	$404,597	100.0%	Defined

CANADA PENSION PLAN INVESTMENT BOARD

$368,904

0.30%

323,600

VIRTUS ADVISERS, LLC

$359,940

0.29%

315,737

PRICE T ROWE ASSOCIATES INC /MD/

$351,251

0.28%

308,115

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	308,115	$351,251	100.0%	Defined

RHUMBLINE ADVISERS

$350,553

0.28%

307,503

Russell Investments Group, Ltd.

$342,415

0.28%

300,367

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 joint	195,108	$222,421	65.0%	Defined
Russell Investments Capital, LLC joint	22,653	$25,824	7.5%	Other
Russell Investments France SAS	22,963	$26,177	7.6%	Defined
Russell Investments Trust Company joint	59,643	$67,993	19.9%	Other

PUBLIC EMPLOYEES RETIREMENT SYSTEM OF OHIO

$336,186

0.27%

294,900

ALPS ADVISORS INC

$310,378

0.25%

272,262

JPMORGAN CHASE & CO

$306,704

0.25%

269,040

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.	107,132	$122,130	39.8%	Defined
J.P. Morgan Investment Management Inc.	3,367	$3,838	1.3%	Defined
J.P. Morgan Securities LLC	155,301	$177,043	57.7%	Defined
J.P. Morgan Securities plc	3,240	$3,693	1.2%	Defined

SUSQUEHANNA INTERNATIONAL GROUP, LLP

$304,722

0.25%

267,300

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

Manager	Shares	Value (USD)	% of position	Discretion
SUSQUEHANNA SECURITIES, LLC	267,300	$304,722	100.0%	Other

DEUTSCHE BANK AG\

$292,845

0.24%

256,883

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

Manager	Shares	Value (USD)	% of position	Discretion
DWS INVESTMENT MANAGEMENT AMERICAS, INC	4,563	$5,201	1.8%	Defined
DWS Investments UK Ltd	252,320	$287,644	98.2%	Defined

FRANKLIN RESOURCES INC

$286,155

0.23%

251,014

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

Manager	Shares	Value (USD)	% of position	Discretion
FRANKLIN ADVISERS INC	251,014	$286,155	100.0%	Defined

State of Alaska, Department of Revenue

$280,528

0.23%

246,078

SUSQUEHANNA INTERNATIONAL GROUP, LLP

$279,072

0.23%

244,800

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

Manager	Shares	Value (USD)	% of position	Discretion
SUSQUEHANNA SECURITIES, LLC	244,800	$279,072	100.0%	Other

WELLS FARGO & COMPANY/MN

$270,083

0.22%

236,916

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

Manager	Shares	Value (USD)	% of position	Discretion
WELLS FARGO BANK N A	233,692	$266,408	98.6%	Defined
WELLS FARGO ADVISORS FINANCIAL NETWORK, LLC	2,616	$2,982	1.1%	Defined
WELLS FARGO CLEARING SERVICES, LLC	608	$693	0.3%	Defined

Vanguard Global Advisers, LLC

$251,439

0.20%

220,561

Graham Capital Management, L.P.

$236,845

0.19%

207,759

Wealthspire Advisors, LLC

$205,202

0.17%

180,002

WELLINGTON MANAGEMENT GROUP LLP

$194,888

0.16%

170,955

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

Manager	Shares	Value (USD)	% of position	Discretion
Wellington Management Company LLP	55,355	$63,104	32.4%	Defined
Wellington Trust Company, NA joint	115,600	$131,784	67.6%	Defined

CITADEL ADVISORS LLC

$190,608

0.15%

167,200

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	167,200	$190,608	100.0%	Defined

Man Group plc

$177,151

0.14%

155,396

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

Manager	Shares	Value (USD)	% of position	Discretion
Numeric Investors LLC	155,396	$177,151	100.0%	Defined

Mariner, LLC

$175,851

0.14%

154,256

MetLife Investment Management, LLC

$174,280

0.14%

152,878

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

Manager	Shares	Value (USD)	% of position	Discretion
METLIFE INC	152,878	$174,280	100.0%	Defined

BARCLAYS PLC

$146,327

0.12%

128,358

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

Manager	Shares	Value (USD)	% of position	Discretion
BARCLAYS BANK PLC	122,307	$139,429	95.3%	Defined
BARCLAYS CAPITAL INC.	6,051	$6,898	4.7%	Defined

MIRAE ASSET GLOBAL ETFS HOLDINGS Ltd.

$135,665

0.11%

119,005

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	119,005	$135,665	100.0%	Defined

WEALTH ENHANCEMENT ADVISORY SERVICES, LLC

$128,220

0.10%

112,474

Cerity Partners LLC

$127,812

0.10%

112,117

MERCER GLOBAL ADVISORS INC /ADV

$127,401

0.10%

111,756

GROUP ONE TRADING LLC

$115,841

0.09%

101,615

Fiduciary Trust Co

$114,000

0.09%

100,000

CITADEL ADVISORS LLC

$110,580

0.09%

97,000

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	97,000	$110,580	100.0%	Defined

LPL Financial LLC

$108,888

0.09%

95,516

IEQ CAPITAL, LLC

$105,312

0.08%

92,379

Jain Global LLC

$104,214

0.08%

91,416

D. E. Shaw & Co., Inc.

$100,003

0.08%

87,722

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.	15,179	$17,304	17.3%	Defined
D. E. Shaw Investment Management, L.L.C. joint	72,543	$82,699	82.7%	Defined

GSA CAPITAL PARTNERS LLP

$96,955

0.08%

85,049

Focus Partners Wealth

$92,280

0.07%

80,948

BNP PARIBAS ARBITRAGE, SA

$91,132

0.07%

79,941

NEW YORK STATE COMMON RETIREMENT FUND

$90,174

0.07%

79,100

Headlands Technologies LLC

$88,910

0.07%

77,992

Abel Hall, LLC

$85,999

0.07%

75,438

SEI INVESTMENTS CO

$84,796

0.07%

74,383

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

Manager	Shares	Value (USD)	% of position	Discretion
SEI TRUST CO	74,383	$84,796	100.0%	Sole

MANUFACTURERS LIFE INSURANCE COMPANY, THE

$81,956

0.07%

71,892

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

Manager	Shares	Value (USD)	% of position	Discretion
MANULIFE FINANCIAL CORP joint	71,892	$81,956	100.0%	Defined

OSAIC HOLDINGS, INC.

$79,715

0.06%

69,926

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

Manager	Shares	Value (USD)	% of position	Discretion
OSAIC WEALTH, INC.	69,926	$79,715	100.0%	Defined

Police & Firemen's Retirement System of New Jersey

$78,756

0.06%

69,085

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

Manager	Shares	Value (USD)	% of position	Discretion
Mellon Capital	69,085	$78,756	100.0%	Defined

Brevan Howard Capital Management LP

$72,675

0.06%

63,750

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	63,750	$72,675	100.0%	Defined

INTECH INVESTMENT MANAGEMENT LLC

$70,930

0.06%

62,220

Squarepoint Ops LLC

$67,746

0.05%

59,427

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

Manager	Shares	Value (USD)	% of position	Discretion
Squarepoint Capital LLP	59,427	$67,746	100.0%	Defined

CWA Asset Management Group, LLC

$67,260

0.05%

59,000

RAYMOND JAMES FINANCIAL INC

$66,007

0.05%

57,902

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

Manager	Shares	Value (USD)	% of position	Discretion
RAYMOND JAMES & ASSOCIATES	57,531	$65,585	99.4%	Defined
Raymond James Financial Services Advisors, Inc.	371	$422	0.6%	Defined

Arax Advisory Partners

$62,698

0.05%

54,999

VOYA INVESTMENT MANAGEMENT LLC

$61,940

0.05%

54,334

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

Manager	Shares	Value (USD)	% of position	Discretion
Voya Investment Management Co. LLC joint	54,334	$61,940	100.0%	Defined

CAPTRUST FINANCIAL ADVISORS

$61,566

0.05%

54,006

JANE STREET GROUP, LLC

$59,280

0.05%

52,000

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	52,000	$59,280	100.0%	Defined

PDS Planning, Inc

$57,000

0.05%

50,000

PRUDENTIAL FINANCIAL INC

$50,027

0.04%

43,884

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

Manager	Shares	Value (USD)	% of position	Discretion
PGIM Quantitative Solutions LLC	43,884	$50,027	100.0%	Defined

TWO SIGMA SECURITIES, LLC

$45,752

0.04%

40,134

EP Wealth Advisors, LLC

$44,058

0.04%

38,648

HighTower Advisors, LLC

$43,967

0.04%

38,568

Gotham Asset Management, LLC

$41,100

0.03%

36,053

Scientech Research LLC

$40,116

0.03%

35,190

Empirical Asset Management, LLC

$39,900

0.03%

35,000

ProShare Advisors LLC

$38,573

0.03%

33,836

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