Latest Period
Q1 2026
Security Snapshot
AGENUS INC - Common Stock (AGEN) Institutional Ownership
CUSIP: 00847G804
13F Institutional Holders and Ownership History from Q1 2024 to Q1 2026
Institutions Reporting
86
Shares (Excl. Options)
9,210,274
Price
$3.34
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- Security type / class
- Equity / Common Stock
- Symbol
- AGEN on Nasdaq
- All holders as of 31 Mar 2026
- Q1 2026
- Total 13F shares
- 9,210,274
- Total 13F value
- $30,759,278
- Portfolio coverage rank
- 0%
- Share change
- -921,025
- Value change
- -$2,965,109
- Number of holders
- 86
- Shares outstanding
- 36,158,186
- SEC-reported price per share
- $3.47
- Insider filing price
- $3.47
Latest holder snapshot
5 signals
Issuer context
Names, identifiers, and filing context for this profile.
3 identity fields
13F Shares, Excluding Options vs Price
13F Value, Excluding Options
Total Investors
Key facts
- AGEN - AGENUS INC - Common Stock is tracked under CUSIP 00847G804.
- 86 institutions reported positions in Q1 2026.
- 2 significant owners is listed from Schedule 13D/13G reporting.
Change
- Holder count moved from 96 to 86 between Q4 2025 and Q1 2026.
- SEC-reported value moved from $31,785,396 to $30,759,278.
Research use
- You can quickly see who holds this security, then open quarter and manager detail pages for full evidence.
- 13F and Schedule 13D/13G sections are kept together so you can cross-check institutional and beneficial ownership context.
Evidence
Source: SEC Form 13F
Open SEC evidence
Latest holder context comes from 86 institutions filings for Q1 2026.
Security key
00847G804
Latest holder period
Q1 2026
13F holders
86
13D/G owners
2
CIK / CUSIP context first
Open Q1 2026 holders
AGEN full holder history
AGENUS INC SEC filings
AGENUS INC company facts
AGENUS INC insider transactions
Broader feeds
Recent Quarterly Holder Reports
Open recent reporting periods for CUSIP 00847G804:
13D/G owners
Significant owners
Large-stake holder rows connected to Schedule 13D/G evidence.
Rows
2
Security
AGEN
| Filer | Ownership | Change % | Holdings Value | Net Change | Nb Shares | Change % | Reporting Name | Report Period |
|---|---|---|---|---|---|---|---|---|
| ZYNEXT VENTURES USA LLC | 5.9% | $6,698,666 | 2,133,333 | ZYNEXT VENTURES USA LLC | 15 Jan 2026 | |||
| BlackRock, Inc. | 1.8% | $2,303,670 | 503,986 | BlackRock, Inc. | 30 Jun 2025 |
As of 31 Mar 2026, 86 institutional investors reported holding 9,210,274 shares of AGENUS INC - Common Stock (AGEN). This represents 25% of the company’s total 36,158,186 outstanding shares.
13F concentration
Top 25 institutional shareholders
Largest 13F positions for this security by reported shares and value.
Top holder share
23%
| Institution | Ownership % | Shares Held | Share Change % | Portfolio % | Holdings Value |
|---|---|---|---|---|---|
| VANGUARD CAPITAL MANAGEMENT LLC | 4% | 1,440,232 | 0% | 0% | $4,810,375 |
| VANGUARD PORTFOLIO MANAGEMENT LLC | 3.3% | 1,195,109 | 0% | 0% | $3,991,664 |
| Siren, L.L.C. | 2.9% | 1,064,250 | 0% | 0.1% | $3,554,595 |
| MARSHALL WACE, LLP | 1.9% | 688,203 | +369% | 0% | $2,298,597 |
| BlackRock, Inc. | 1.5% | 545,662 | -2.3% | 0% | $1,822,511 |
| GEODE CAPITAL MANAGEMENT, LLC | 0.96% | 348,395 | -6.5% | 0% | $1,164,522 |
| MORGAN STANLEY | 0.82% | 295,821 | +3.7% | 0% | $988,042 |
| RENAISSANCE TECHNOLOGIES LLC | 0.79% | 285,646 | -47% | 0% | $954,058 |
| Man Group plc | 0.77% | 278,980 | +144% | 0% | $931,793 |
| RAYMOND JAMES FINANCIAL INC | 0.66% | 239,554 | +69% | 0% | $800,110 |
| UBS Group AG | 0.65% | 234,439 | +97% | 0% | $783,026 |
| ACADIAN ASSET MANAGEMENT LLC | 0.59% | 215,047 | -65% | 0% | $713,000 |
| VANGUARD FIDUCIARY TRUST CO | 0.55% | 200,498 | 0% | 0% | $669,663 |
| Connor, Clark & Lunn Investment Management Ltd. | 0.55% | 198,502 | +192% | 0% | $662,997 |
| TWO SIGMA INVESTMENTS, LP | 0.47% | 170,922 | +46% | 0% | $570,879 |
| PANAGORA ASSET MANAGEMENT INC | 0.45% | 163,148 | 0% | 0% | $544,914 |
| Jump Financial, LLC | 0.43% | 157,200 | -7.8% | 0.01% | $525,048 |
| STATE STREET CORP | 0.43% | 156,183 | +14% | 0% | $521,651 |
| Walleye Capital LLC | 0.33% | 120,565 | -2.3% | 0% | $402,687 |
| BANK OF AMERICA CORP /DE/ | 0.33% | 118,782 | +797% | 0% | $396,732 |
| 683 Capital Management, LLC | 0.32% | 114,336 | 0% | 0.04% | $381,882 |
| NORTHERN TRUST CORP | 0.25% | 89,720 | +0.15% | 0% | $299,665 |
| BARCLAYS PLC | 0.16% | 59,345 | +28% | 0% | $198,212 |
| SUSQUEHANNA INTERNATIONAL GROUP, LLP | 0.16% | 57,659 | -75% | 0% | $192,581 |
| CITADEL ADVISORS LLC | 0.14% | 52,004 | -88% | 0% | $173,693 |
Quarter history
Institutional holders across reporting periods
Holder count, reported shares/value, and median price by quarter.
Periods
9
Latest
Q1 2026
Rows shown
1-9 of 9
| Period | 13F Shares, Excl. Options | Value, Excl. Options | Value Change | Price (Median) | Investors |
|---|---|---|---|---|---|
| 2026 Q1 | 9,210,274 | $30,759,278 | -$2,965,109 | $3.34 | 86 |
| 2025 Q4 | 10,124,256 | $31,785,396 | +$4,294,759 | $3.14 | 96 |
| 2025 Q3 | 8,795,650 | $33,865,463 | -$1,223,026 | $3.85 | 86 |
| 2025 Q2 | 8,920,502 | $40,795,701 | +$3,758,102 | $4.57 | 90 |
| 2025 Q1 | 8,481,375 | $12,763,643 | +$630,737 | $1.50 | 84 |
| 2024 Q4 | 8,437,520 | $23,120,141 | -$5,775,999 | $2.74 | 83 |
| 2024 Q3 | 8,332,526 | $45,650,229 | -$31,172,677 | $5.48 | 94 |
| 2024 Q2 | 8,871,550 | $148,600,856 | +$138,227,425 | $16.75 | 86 |
| 2024 Q1 | 1,006,924 | $584,428 | +$584,428 | $0.58 | 9 |