Agenus Inc (AGEN) Institutional Ownership

Institutions by Trading Activity

Ownership Statistics

17,429,557Shares Outstanding

1,126,503Shares held by institutions

$3,435,834Value of institutional holdings

56.61%Institutional ownership %

18.57%Shares Changed QoQ

87No. of institutional investors

Shares Owned by Institutions

Shares Purchased/Sold by Institutions

Ownership Summary

A total of 87 institutions have reported a stake in Agenus Inc (NASDAQ:AGEN) as of December 2025, according to recent 13F filings with the SEC.

Agenus saw its institutional ownership percentage rose to 56.6% in December 2025 from 50.8% in September 2025.
The company experienced a 18.57% quarterly change in institutional shares held, alongside an increase of 3.57% in total owners annually.
Among the 87 institutional holders of Agenus, 41 added to their stakes while 28 trimmed their positions and 18 held steady.
This class of investors increased its holdings in Agenus to 9.87Mn shares for the 13F-cycle ending December 2025, up by 1.55Mn shares quarter on quarter, and up 1.44Mn shares year over year.
The top institutional stake in Agenus as of December 31, 2025 belongs to VANGUARD GROUP INC, which owns 2.83Mn shares, or 16.24% of the company.
Among the most significant buyers of Agenus during December 2025 were RENAISSANCE TECHNOLOGIES LLC (477.35K), CITADEL ADVISORS LLC (423.24K), ACADIAN ASSET MANAGEMENT LLC (417.39K), VANGUARD GROUP INC (261.20K), 683 Capital Management, LLC (114.34K).
Leading sellers of Agenus stock in December 2025 included BANK OF AMERICA CORP /DE/ (356.07K), MORGAN STANLEY (263.93K), Walleye Capital LLC (187.33K), MILLENNIUM MANAGEMENT LLC (123.42K), Susquehanna Portfolio Strategies, LLC (108.81K).
The top 10 institutional holders of Agenus for the quarter ending December 2025 included VANGUARD GROUP INC (2.83Mn), Siren, L.L.C. (1.06Mn), ACADIAN ASSET MANAGEMENT LLC (622.48K), BlackRock, Inc. (558.35K), RENAISSANCE TECHNOLOGIES LLC (543.55K), CITADEL ADVISORS LLC (423.24K), GEODE CAPITAL MANAGEMENT, LLC (372.75K), MORGAN STANLEY (285.20K), SUSQUEHANNA INTERNATIONAL GROUP, LLP (233.67K), MILLENNIUM MANAGEMENT LLC (225.34K).

87 Institutional Holders

1,126,503 Total Shares Held

Rows:

Download Data

Owner Name	Date	Shares Held	Change (QoQ)	Change (%)	Value (USD)
VANGUARD GROUP INC	31 Dec, 2025	2,830,736	261,203	10.17%	$8,888,511.00
Siren, L.L.C.	31 Dec, 2025	1,064,250	0	0.00%	$3,341,745.00
ACADIAN ASSET MANAGEMENT LLC	31 Dec, 2025	622,484	417,393	203.52%	$1,948.00
BlackRock, Inc.	31 Dec, 2025	558,345	11,233	2.05%	$1,753,204.00
RENAISSANCE TECHNOLOGIES LLC	31 Dec, 2025	543,546	477,346	721.07%	$1,706,734.00
CITADEL ADVISORS LLC	31 Dec, 2025	423,242	423,242	0.00%	$1,328,980.00
GEODE CAPITAL MANAGEMENT, LLC	31 Dec, 2025	372,748	25,757	7.42%	$1,171,219.00
MORGAN STANLEY	31 Dec, 2025	285,198	-263,928	-48.06%	$895,521.00
SUSQUEHANNA INTERNATIONAL GROUP, LLP	31 Dec, 2025	233,674	42,720	22.37%	$733,736.00
MILLENNIUM MANAGEMENT LLC	31 Dec, 2025	225,339	-123,415	-35.39%	$707,564.00
Jump Financial, LLC	31 Dec, 2025	170,407	28,913	20.43%	$535,078.00
PANAGORA ASSET MANAGEMENT INC	31 Dec, 2025	163,148	36,964	29.29%	$512,285.00
MARSHALL WACE, LLP	31 Dec, 2025	146,800	33,487	29.55%	$460,952.00
STATE STREET CORP	31 Dec, 2025	137,383	-13,200	-8.77%	$431,383.00
D. E. Shaw & Co., Inc.	31 Dec, 2025	127,638	13,309	11.64%	$400,783.00
Walleye Capital LLC	31 Dec, 2025	123,458	-187,330	-60.28%	$387,658.00
UBS Group AG	31 Dec, 2025	118,818	36,881	45.01%	$373,088.00
TWO SIGMA INVESTMENTS, LP	31 Dec, 2025	117,117	14,764	14.42%	$367,747.00
683 Capital Management, LLC	31 Dec, 2025	114,336	114,336	0.00%	$359,015.00
Man Group plc	31 Dec, 2025	114,204	114,204	0.00%	$358,601.00

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