AGENUS INC
Total Trades
4
Buys
2
Sells
1
Largest Trade
N/A
Insiders
3
Institutional Funds
67
Inst. Value
$1M+
Activist Filings
25
Insider Trades
| Insider | Title | Type | Value | Shares | Price | Date |
|---|---|---|---|---|---|---|
| ARMEN GARO H | See Remarks | BUY | $100K–$500K | 500K | $0.65 | Feb 15, 2024 |
| WIINBERG ULF | Director | BUY | $15K–$50K | 25K | $0.76 | Nov 17, 2023 |
| O'Day Steven J | Chief Medical Offi… | EXERCISE | N/A | 100K | — | Jan 6, 2022 |
| O'Day Steven J | Chief Medical Offi… | SELL | $100K–$500K | 39K | $3.06 | Jan 6, 2022 |
Institutional Ownership
13F filings as of Dec 31, 2025 · 67 funds holding
| Fund | Shares | Value | Type |
|---|---|---|---|
| NORTHWESTERN MUTUAL WEALTH MANAGEMENT CO | 279K | $1M+ | SH |
| Siren, L.L.C. | 1.1M | $1M+ | SH |
| ACADIAN ASSET MANAGEMENT LLC | 622K | $1M+ | SH |
| RENAISSANCE TECHNOLOGIES LLC | 544K | $1M+ | SH |
| GEODE CAPITAL MANAGEMENT, LLC | 300K | $500K+ | SH |
| PANAGORA ASSET MANAGEMENT INC | 163K | $500K+ | SH |
| STATE STREET CORP | 137K | $100K–$500K | SH |
| Walleye Capital LLC | 123K | $100K–$500K | SH |
| Man Group plc | 114K | $100K–$500K | SH |
| UBS Group AG | 113K | $100K–$500K | SH |
| Point72 Asset Management, L.P. | 108K | $100K–$500K | SH |
| OMERS ADMINISTRATION Corp | 101K | $100K–$500K | SH |
| Connor, Clark & Lunn Investment Management Ltd. | 68K | $100K–$500K | SH |
| BlackRock, Inc. | 66K | $100K–$500K | SH |
| Squarepoint Ops LLC | 55K | $100K–$500K | SH |
| Avestar Capital, LLC | 41K | $100K–$500K | SH |
| Virtu Financial LLC | 34K | $100K–$500K | SH |
| Ovata Capital Management Ltd | 31K | $50K–$100K | SH |
| Ovata Capital Management Ltd | 31K | $50K–$100K | SH |
| Key Client Fiduciary Advisors, LLC | 27K | $50K–$100K | SH |
Activist & 5%+ Owners
SC 13D/13G filings — investors holding 5%+ of outstanding shares
SC 13D · Jan 23, 2026
5.9%
2.1M shares
SC 13G/A · Oct 30, 2025
8.1%
2.6M shares
SC 13G/A · Jul 29, 2025
9.2%
2.5M shares
SC 13G/A · Jul 16, 2025
1.8%
504K shares
Point72 Asset Management, L.P.
SC 13G/A · Nov 15, 2024
0.1%
24K shares
SC 13G/A · Nov 14, 2024
0.0%
0 shares
SC 13G · Nov 8, 2024
7.3%
1.6M shares
SC 13G · Oct 22, 2024
7.3%
1.6M shares
The Vanguard Group - 23-1945930
SC 13G/A · Jun 10, 2024
10.2%
2.1M shares
Point72 Asset Management, L.P.
SC 13G · Feb 21, 2024
6.8%
28.3M shares
SC 13G/A · Feb 14, 2024
8.3%
31.7M shares
The Vanguard Group - 23-1945930
SC 13G/A · Feb 13, 2024
7.9%
30.3M shares
SC 13G/A · Feb 9, 2024
4.1%
15.6M shares
SC 13G/A · Jan 25, 2024
8.5%
32.2M shares
STATE STREET CORPORATION I.R.S. IDENTIFICATION NO. OF THE ABOVE PERSON 04-2456637
SC 13G/A · Jan 22, 2024
2.3%
0 shares
SC 13G/A · Feb 14, 2023
8.9%
27.0M shares
SC 13G/A · Feb 3, 2023
8.3%
23.4M shares
SC 13G · Feb 1, 2023
5.1%
15.6M shares
SC 13G · Apr 8, 2022
5.9%
15.2M shares
SC 13G/A · Feb 17, 2022
4.3%
11.1M shares
SC 13G/A · Feb 14, 2022
2.3%
5.9M shares
SC 13G/A · Feb 11, 2022
3.5%
9.1M shares
SC 13G/A · Feb 11, 2022
4.7%
12.1M shares
STATE STREET CORPORATION I.R.S. IDENTIFICATION NO. OF THE ABOVE PERSON 04-2456637
SC 13G/A · Feb 11, 2022
8.2%
0 shares
SC 13G · Feb 10, 2022
4.3%
11.1M shares