Ranked by reported Q1 2026 13F market value
Share of total reported institutional value in IMNM held by the largest 10 / 25 filers.
| # | Institution | Shares Held | Market Value | QoQ Change | Ownership % | % of Fund |
|---|---|---|---|---|---|---|
| 1 | FMR LLC | 17.0M | $371.1M | +2.5% | 17.752% | 0.02% |
| 2 | BlackRock, Inc. | 8.2M | $178.6M | +7.5% | 8.545% | 0.00% |
| 3 | Redmile Group, LLC | 5.6M | $121.6M | -2.8% | 5.815% | 8.05% |
| 4 | STATE STREET CORP | 5.4M | $118.1M | +39.6% | 5.649% | 0.00% |
| 5 | PRIMECAP MANAGEMENT CO/CA/ | 4.8M | $104.7M | +2.2% | 5.009% | 0.08% |
| 6 | WELLINGTON MANAGEMENT GROUP LLP | 4.7M | $103.5M | +406.4% | 4.950% | 0.02% |
| 7 | VANGUARD CAPITAL MANAGEMENT LLC | 4.4M | $96.9M | — | 4.634% | 0.00% |
| 8 | DRIEHAUS CAPITAL MANAGEMENT LLC | 4.1M | $89.7M | +10.6% | 4.289% | 0.66% |
| 9 | Enavate Sciences GP, LLC | 3.6M | $79.0M | -24.2% | 3.780% | 22.48% |
| 10 | MORGAN STANLEY | 2.8M | $62.1M | +66.3% | 2.973% | 0.00% |
| 11 | GEODE CAPITAL MANAGEMENT, LLC | 2.6M | $56.0M | +8.4% | 2.679% | 0.00% |
| 12 | Jefferies Financial Group Inc. | 2.3M | $50.8M | -42.0% | 2.428% | 0.35% |
| 13 | SILVERARC CAPITAL MANAGEMENT, LLC | 1.9M | $40.5M | +64.3% | 1.935% | 4.77% |
| 14 | Sofinnova Investments, Inc. | 1.7M | $37.2M | +5.1% | 1.780% | 1.95% |
| 15 | Woodline Partners LP | 1.6M | $34.5M | 0.0% | 1.648% | 0.13% |
| 16 | MARSHALL WACE, LLP | 1.5M | $32.4M | +100.9% | 1.549% | 0.04% |
| 17 | PRINCIPAL FINANCIAL GROUP INC | 1.4M | $30.1M | -2.0% | 1.440% | 0.02% |
| 18 | READYSTATE ASSET MANAGEMENT LP | 1.3M | $28.5M | -29.4% | 1.362% | 1.44% |
| 19 | GOLDMAN SACHS GROUP INC | 1.1M | $24.1M | +36.6% | 1.152% | 0.00% |
| 20 | BNP Paribas Asset Management Holding S.A. | 1.1M | $24.0M | +501.9% | 1.148% | 0.03% |
| 21 | VANGUARD PORTFOLIO MANAGEMENT LLC | 1.0M | $22.0M | — | 1.053% | 0.00% |
| 22 | NORTHERN TRUST CORP | 899K | $19.7M | +8.5% | 0.941% | 0.00% |
| 23 | CHARLES SCHWAB INVESTMENT MANAGEMENT INC | 852K | $18.6M | +1.3% | 0.891% | 0.00% |
| 24 | Polar Capital Holdings Plc | 849K | $18.6M | +7.1% | 0.889% | 0.07% |
| 25 | JANUS HENDERSON GROUP PLC | 808K | $17.7M | -2.9% | 0.845% | 0.01% |
denotes a marquee investor (Buffett, Burry, ARK, Tiger Global, Pershing Square, Baupost and other widely-followed managers). “% of Fund” shows how much of that investor’s total 13F portfolio is invested in IMNM — a direct measure of their conviction.
Filings activity in IMNM during Q1 2026, grouped by how each filer changed its position.
8 quarters of 13F filings · Δ columns show change vs prior quarter
| Quarter | Inst. Holders | Δ Holders | Ownership % | Δ Ownership | Total 13F Value | Δ Value |
|---|---|---|---|---|---|---|
| Q1 2026 | 196 | +8.9% | 118.97% | 8.23 pp | $2.09B | 6.5% |
| Q4 2025 | 180 | +20% | 127.20% | +72.98 pp | $2.23B | +135% |
| Q3 2025 | 150 | +5.6% | 54.22% | +16.29 pp | $953M | +43% |
| Q2 2025 | 142 | +0.7% | 37.93% | +11.77 pp | $666M | +45% |
| Q1 2025 | 141 | +18% | 26.16% | 2.31 pp | $460M | 8.1% |
| Q4 2024 | 120 | +5.3% | 28.47% | 8.81 pp | $500M | 24% |
| Q3 2024 | 114 | +1.8% | 37.28% | +8.95 pp | $655M | +32% |
| Q2 2024 | 112 | — | 28.33% | — | $498M | — |
Source: SEC 13F institutional filings. Ownership % requires market cap data and will show once linked. Δ columns compare to the immediately prior filed quarter.
Quick answers to the most common questions about buying IMNM stock.
Based on Q1 2026 13F filings, institutional ownership of Immunome, Inc. stands at 119.0%, held across 196 reporting institutions.
FMR LLC is the largest reported institutional holder of IMNM, with approximately 16,969,954 shares worth $0.37B as of Q1 2026.
No marquee "smart money" managers (Berkshire, Burry, ARK, Tiger Global, Pershing Square, Baupost, etc.) currently appear among the top 25 institutional holders of IMNM.
Our composite Smart Money Score for IMNM is 30 out of 100 (Bearish). It combines net institutional buying activity, ownership shift, marquee investor presence, and holder-count growth.
48 institutions opened new positions in IMNM during Q1 2026, while 32 fully exited. 106 added to existing positions and 42 trimmed.
IMNM institutional ownership fell by 8.23 percentage points quarter-over-quarter, with a net change of +16 holders.
The top 10 institutions account for 63.4% of all reported 13F value in IMNM, and the top 25 account for 85.2%.
All data is sourced from SEC Form 13F filings, which institutional investment managers with at least $100M in assets are required to file each quarter. We process every 13F filing from EDGAR and recompute the aggregates after each cycle. Insider transactions are sourced from Form 4 filings.
Immunome, Inc. (IMNM) Institutional Ownership