AGEN · Agenus Inc

$8.25 -0.12 (-1.38%)

Market Cap

$345.31M

45.02M

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.

Quarter:

Holders: 105

Total Value: $43,954,440

Total Shares: 14,365,516

Institutional Ownership Trend

26 quarters

Holder Concentration

Across 105 13F filers · Δ vs Mar 31, 2026

Top Holder

17.9%

+2.5 pts

Top 5

54.1%

+1.5 pts

Top 10

71.1%

+3.1 pts

HHI

762

Broadly held+54

Quarterly Activity

vs Mar 31, 2026

New

Increased

Decreased

Sold Out

Unchanged

Holder count: +17

Institutional value: +40.3%

Shares held: +53.2%

Top Buyers

vs Mar 31, 2026

Institution	Added	Now Holds
Mega BlackRock, Inc.	+2,019,222	2,564,884
Mega GEODE CAPITAL MANAGEMENT, LLC	+686,645	1,035,040
Mega GOLDMAN SACHS GROUP INC	+416,929	448,383
Mega STATE STREET CORP	+256,200	412,383
Mega VANGUARD CAPITAL MANAGEMENT LLC	+235,864	1,676,096

Top Sellers

vs Mar 31, 2026

Institution	Sold	Now Holds
Large MARSHALL WACE, LLP	−248,582	439,621
Mega UBS Group AG	−215,163	19,276
Large ACADIAN ASSET MANAGEMENT LLC	−190,048	24,999
Mega CITADEL ADVISORS LLC	−79,504	50,000
Mega TWO SIGMA INVESTMENTS, LP	−72,237	98,685

Top New Positions

vs Mar 31, 2026

Institution	Acquired	Value (USD)
Large MACKENZIE FINANCIAL CORP	714,175	$2,185,375
Small GLOBEFLEX CAPITAL L P	418,581	$1,280,857
Mid Susquehanna Portfolio Strategies, LLC	158,737	$485,735
Mega Bank of New York Mellon Corp	101,773	$311,424
Large STRS OHIO	76,900	$235,314

Top Sold-Out Positions

vs Mar 31, 2026

Institution	Previously Held	Last Value (USD)
Large Walleye Capital LLC	120,565	$402,687
Mid 683 Capital Management, LLC	114,336	$381,882
Mega MILLENNIUM MANAGEMENT LLC	43,409	$144,986
Large OMERS ADMINISTRATION Corp	34,700	$115,898
Large Hudson Bay Capital Management LP	33,543	$112,033

Filter: New 32 Increased 32 Reduced 19 Sold out 15 Unchanged 22

Showing 100 of 108

All Common Calls Puts

Compact Export CSV

Holder

Value (USD)

% of 13F

BlackRock, Inc.

$7,848,543

17.86%

2,564,884

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	40,770	$124,756	1.6%	Sole
BlackRock Investment Management, LLC	112,758	$345,039	4.4%	Sole
BLACKROCK ADVISORS LLC	79,674	$243,802	3.1%	Sole
BlackRock Fund Advisors	1,501,385	$4,594,238	58.5%	Sole
BlackRock Institutional Trust Company, N.A.	829,758	$2,539,059	32.4%	Sole
BlackRock (Netherlands) B.V.	534	$1,634	0.0%	Sole
Aperio Group, LLC	5	$15	0.0%	Sole

VANGUARD CAPITAL MANAGEMENT LLC

$5,128,853

11.67%

1,676,096

VANGUARD PORTFOLIO MANAGEMENT LLC

$4,368,416

9.94%

1,427,587

Siren, L.L.C.

$3,256,605

7.41%

1,064,250

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

Manager	Shares	Value (USD)	% of position	Discretion
Invus Group, LLC	1,064,250	$3,256,605	100.0%	Defined

GEODE CAPITAL MANAGEMENT, LLC

$3,167,221

7.21%

1,035,040

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	142,582	$436,300	13.8%	Defined
Held directly	892,458	$2,730,921	86.2%	Defined

MACKENZIE FINANCIAL CORP

$2,185,375

4.97%

714,175

GOLDMAN SACHS GROUP INC

$1,372,051

3.12%

448,383

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	332,599	$1,017,752	74.2%	Defined
GOLDMAN SACHS ASSET MANAGEMENT, L.P.	115,784	$354,299	25.8%	Defined

MARSHALL WACE, LLP

$1,345,240

3.06%

439,621

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	439,621	$1,345,240	100.0%	Other

RAYMOND JAMES FINANCIAL INC

$1,316,038

2.99%

430,078

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

Manager	Shares	Value (USD)	% of position	Discretion
RAYMOND JAMES & ASSOCIATES	11,669	$35,707	2.7%	Defined
Raymond James Financial Services Advisors, Inc.	304	$930	0.1%	Defined
ClariVest Asset Management LLC joint	418,105	$1,279,401	97.2%	Defined

GLOBEFLEX CAPITAL L P

$1,280,857

2.91%

418,581

STATE STREET CORP

$1,261,891

2.87%

412,383

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	412,383	$1,261,891	100.0%	Defined

Man Group plc

$1,041,700

2.37%

340,425

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

Manager	Shares	Value (USD)	% of position	Discretion
Numeric Investors LLC	340,425	$1,041,700	100.0%	Defined

NORTHERN TRUST CORP

$960,997

2.19%

314,052

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	307,875	$942,096	98.0%	Defined
DWS INVESTMENT MANAGEMENT AMERICAS, INC joint	6,177	$18,901	2.0%	Other

Connor, Clark & Lunn Investment Management Ltd.

$948,707

2.16%

310,035

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

Manager	Shares	Value (USD)	% of position	Discretion
Manager 1	310,035	$948,707	100.0%	Sole

VANGUARD FIDUCIARY TRUST CO

$831,138

1.89%

271,614

MORGAN STANLEY

$801,925

1.82%

262,068

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	42	$128	0.0%	Defined
MORGAN STANLEY & CO. LLC	11,134	$34,070	4.2%	Defined
MORGAN STANLEY CAPITAL SERVICES, LLC	200,228	$612,697	76.4%	Defined
MORGAN STANLEY SMITH BARNEY LLC	1,779	$5,443	0.7%	Defined
PARAMETRIC PORTFOLIO ASSOCIATES LLC	48,885	$149,587	18.7%	Defined

RENAISSANCE TECHNOLOGIES LLC

$698,738

1.59%

228,346

PANAGORA ASSET MANAGEMENT INC

$549,542

1.25%

179,589

Susquehanna Portfolio Strategies, LLC

$485,735

1.11%

158,737

Jump Financial, LLC

$318,181

0.72%

103,981

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	1,181	$3,613	1.1%	Defined
Leap GP LLC joint	102,800	$314,568	98.9%	Defined

Bank of New York Mellon Corp

$311,424

0.71%

101,773

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

Manager	Shares	Value (USD)	% of position	Discretion
Mellon Investments Corporation	37,908	$115,998	37.2%	Defined
The Bank of New York Mellon	63,853	$195,390	62.7%	Defined
Held directly	12	$36	0.0%	Defined

CHARLES SCHWAB INVESTMENT MANAGEMENT INC

$304,139

0.69%

99,392

TWO SIGMA INVESTMENTS, LP

$301,976

0.69%

98,685

STRS OHIO

$235,314

0.54%

76,900

CANADA PENSION PLAN INVESTMENT BOARD

$205,326

0.47%

67,100

PRICE T ROWE ASSOCIATES INC /MD/

$176,427

0.40%

57,656

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	57,656	$176,427	100.0%	Defined

BANK OF AMERICA CORP /DE/

$159,155

0.36%

52,012

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	28,547	$87,353	54.9%	Defined
BOFA SECURITIES, INC.	23,465	$71,802	45.1%	Defined

Invesco Ltd.

$155,869

0.35%

50,938

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	4,979	$15,235	9.8%	Defined
Invesco Trust Co joint	15,889	$48,620	31.2%	Defined
Invesco Capital Management LLC	30,070	$92,014	59.0%	Defined

WELLS FARGO & COMPANY/MN

$132,242

0.30%

43,217

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	33,809	$103,455	78.2%	Defined
WELLS FARGO ADVISORS FINANCIAL NETWORK, LLC	230	$703	0.5%	Defined
WELLS FARGO CLEARING SERVICES, LLC	9,178	$28,084	21.2%	Defined

SUSQUEHANNA INTERNATIONAL GROUP, LLP

$128,568

0.29%

42,016

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

Manager	Shares	Value (USD)	% of position	Discretion
SUSQUEHANNA SECURITIES, LLC	42,016	$128,568	100.0%	Other

Avestar Capital, LLC

$125,460

0.29%

41,000

DEUTSCHE BANK AG\

$119,046

0.27%

38,904

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	38,904	$119,046	100.0%	Defined

Claro Advisors Inc.

$102,051

0.23%

33,350

XTX Topco Ltd

$96,849

0.22%

31,650

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	31,650	$96,849	100.0%	Defined

CITADEL ADVISORS LLC

$90,270

0.21%

29,500

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	29,500	$90,270	100.0%	Defined

RHUMBLINE ADVISERS

$90,233

0.21%

29,488

CAPTRUST FINANCIAL ADVISORS

$88,654

0.20%

28,972

Engineers Gate Manager LP

$85,092

0.19%

27,808

CITIGROUP INC

$84,767

0.19%

27,702

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	27,702	$84,767	100.0%	Defined

SUSQUEHANNA INTERNATIONAL GROUP, LLP

$77,418

0.18%

25,300

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

Manager	Shares	Value (USD)	% of position	Discretion
SUSQUEHANNA SECURITIES, LLC	25,300	$77,418	100.0%	Other

ACADIAN ASSET MANAGEMENT LLC

$76,496

0.17%

24,999

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

Manager	Shares	Value (USD)	% of position	Discretion
Acadian Inc	24,999	$76,496	100.0%	Defined

LPL Financial LLC

$73,947

0.17%

24,166

Key Client Fiduciary Advisors, LLC

$73,822

0.17%

24,125

OSAIC HOLDINGS, INC.

$71,787

0.16%

23,460

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

Manager	Shares	Value (USD)	% of position	Discretion
OSAIC WEALTH, INC.	23,456	$71,775	100.0%	Defined
Osaic Advisory Services, LLC	4	$12	0.0%	Defined

BNP PARIBAS ARBITRAGE, SA

$67,001

0.15%

21,896

CITADEL ADVISORS LLC

$62,730

0.14%

20,500

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	20,500	$62,730	100.0%	Defined

PRELUDE CAPITAL MANAGEMENT, LLC

$60,468

0.14%

19,761

PRUDENTIAL FINANCIAL INC

$59,394

0.14%

19,410

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	19,410	$59,394	100.0%	Defined

UBS Group AG

$58,983

0.13%

19,276

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

Manager	Shares	Value (USD)	% of position	Discretion
UBS AG	17,263	$52,824	89.6%	Defined
UBS Switzerland AG	2,013	$6,159	10.4%	Defined

Vanguard Personalized Indexing Management, LLC

$58,748

0.13%

19,199

NEW YORK STATE COMMON RETIREMENT FUND

$57,834

0.13%

18,900

SUSQUEHANNA INTERNATIONAL GROUP, LLP

$56,916

0.13%

18,600

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

Manager	Shares	Value (USD)	% of position	Discretion
SUSQUEHANNA SECURITIES, LLC	18,600	$56,916	100.0%	Other

MIRAE ASSET GLOBAL ETFS HOLDINGS Ltd.

$56,141

0.13%

18,347

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	18,347	$56,141	100.0%	Defined

JPMORGAN CHASE & CO

$52,377

0.12%

17,117

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.	16,735	$51,209	97.8%	Defined
J.P. Morgan Securities plc	382	$1,168	2.2%	Defined

Vanguard Global Advisers, LLC

$48,672

0.11%

15,906

Diversified Trust Co

$47,677

0.11%

15,581

BANK OF MONTREAL /CAN/

$47,475

0.11%

15,515

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

Manager	Shares	Value (USD)	% of position	Discretion
BMO Family Office, LLC	15,427	$47,206	99.4%	Defined
BMO NESBITT BURNS INC.	88	$269	0.6%	Defined

Police & Firemen's Retirement System of New Jersey

$46,946

0.11%

15,342

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

Manager	Shares	Value (USD)	% of position	Discretion
Mellon Capital	15,342	$46,946	100.0%	Defined

R Squared Ltd

$41,068

0.09%

13,421

FMR LLC

$40,642

0.09%

13,282

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	13,262	$40,581	99.8%	Defined
STRATEGIC ADVISERS LLC	20	$61	0.2%	Defined

Virtu Financial LLC

$39,550

0.09%

12,925

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

Manager	Shares	Value (USD)	% of position	Discretion
Virtu Americas LLC	12,925	$39,550	100.0%	Defined

Post Resch Tallon Group Inc.

$39,015

0.09%

12,750

ALLIANCEBERNSTEIN L.P.

$37,882

0.09%

12,380

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

Manager	Shares	Value (USD)	% of position	Discretion
Equitable Holdings, Inc.	12,380	$37,882	100.0%	Defined

Greenwich Wealth Management LLC

$36,720

0.08%

12,000

Abel Hall, LLC

$35,985

0.08%

11,760

Graham Capital Management, L.P.

$35,052

0.08%

11,455

HSBC HOLDINGS PLC

$34,198

0.08%

11,176

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

Manager	Shares	Value (USD)	% of position	Discretion
HSBC BANK PLC	11,176	$34,198	100.0%	Defined

Values First Advisors, Inc.

$33,611

0.08%

10,984

StoneX Group Inc.

$32,827

0.07%

10,728

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

Manager	Shares	Value (USD)	% of position	Discretion
STONEX FINANCIAL INC.	10,728	$32,827	100.0%	Defined

ZACKS INVESTMENT MANAGEMENT

$32,283

0.07%

10,550

JANE STREET GROUP, LLC

$31,824

0.07%

10,400

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	10,400	$31,824	100.0%	Defined

EP Wealth Advisors, LLC

$30,600

0.07%

10,000

BARCLAYS PLC

$28,141

0.06%

9,197

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

Manager	Shares	Value (USD)	% of position	Discretion
BARCLAYS BANK PLC	5,866	$17,949	63.8%	Defined
BARCLAYS CAPITAL INC.	3,331	$10,192	36.2%	Defined

Legal & General Group Plc

$11,823

0.03%

3,864

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	3,864	$11,823	100.0%	Defined

Ameritas Investment Partners, Inc.

$11,064

0.03%

3,616

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

Manager	Shares	Value (USD)	% of position	Discretion
EATON VANCE MANAGEMENT	3,616	$11,064	100.0%	Other

Russell Investments Group, Ltd.

$11,057

0.03%

3,614

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	3,614	$11,057	100.0%	Defined

FEDERATED HERMES, INC.

$10,342

0.02%

3,380

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

Manager	Shares	Value (USD)	% of position	Discretion
FEDERATED MDTA LLC	3,380	$10,342	100.0%	Defined

Pinnacle Wealth Planning Services, Inc.

$10,321

0.02%

3,373

Tower Research Capital LLC (TRC)

$7,071

0.02%

2,311

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

Manager	Shares	Value (USD)	% of position	Discretion
Latour Trading LLC (Latour)	2,311	$7,071	100.0%	Defined

CoreCap Advisors, LLC

$6,120

0.01%

2,000

ROYAL BANK OF CANADA

$5,850

0.01%

1,912

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

Manager	Shares	Value (USD)	% of position	Discretion
RBC CMA LTD.	1,360	$4,161	71.1%	Defined
RBC Capital Markets, LLC	551	$1,686	28.8%	Defined
Held directly	1	$3	0.1%	Sole

Atlantic Union Bankshares Corp

$5,355

0.01%

1,750

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

Manager	Shares	Value (USD)	% of position	Discretion
West Financial Services, Inc.	1,750	$5,355	100.0%	Sole

Caitong International Asset Management Co., Ltd

$4,996

0.01%

1,633

CHILTON CAPITAL MANAGEMENT LLC

$3,237

0.01%

1,058

Covestor Ltd

$2,799

0.01%

915

NISA INVESTMENT ADVISORS, LLC

$2,591

0.01%

847

Sterling Capital Management LLC

$2,157

0.00%

705

HUNTINGTON NATIONAL BANK

$2,031

0.00%

664

NORTHWESTERN MUTUAL WEALTH MANAGEMENT CO

$1,936

0.00%

633

Physician Wealth Advisors, Inc.

$1,900

0.00%

621

Game Plan Financial Advisors, LLC

$1,790

0.00%

585

Optiver Holding B.V.

$1,756

0.00%

574

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

Manager	Shares	Value (USD)	% of position	Discretion
Optiver VOF	574	$1,756	100.0%	Defined

GROUP ONE TRADING LLC

$1,716

0.00%

561

Rialto Wealth Management, LLC

$933

0.00%

305

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

$872

0.00%

285

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

Manager	Shares	Value (USD)	% of position	Discretion
UBS Group AG	285	$872	100.0%	Defined

Bare Financial Services, Inc

$529

0.00%

173

Bogart Wealth, LLC

$523

0.00%

171

Federation des caisses Desjardins du Quebec

$306

0.00%

100

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

Manager	Shares	Value (USD)	% of position	Discretion
Desjardins Securities inc.	100	$306	100.0%	Defined

LifeSteps Financial, Inc.

$306

0.00%

100

Transamerica Financial Advisors, LLC

$55

0.00%

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.	12	$36	100.0%	Sole

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

Manager	Shares	Value (USD)	% of position	Discretion
683 Capital Partners, LP	114,336	$381,882	100.0%	Defined

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

Manager	Shares	Value (USD)	% of position	Discretion
Hudson Bay Capital UK LLP	33,543	$112,033	100.0%	Defined

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.	33,269	$111,118	100.0%	Defined

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

Manager	Shares	Value (USD)	% of position	Discretion
Squarepoint Capital LLP	12,373	$41,325	100.0%	Defined

Key facts CIK 1098972 CUSIP 00847G804 13F (30d) 96 filings 95 filers Visit website Investor relations