Ranked by reported Q1 2026 13F market value
Share of total reported institutional value in GERN held by the largest 10 / 25 filers.
| # | Institution | Shares Held | Market Value | QoQ Change | Ownership % | % of Fund |
|---|---|---|---|---|---|---|
| 1 | RA CAPITAL MANAGEMENT, L.P. | 63.8M | $95.0M | 0.0% | 9.941% | 1.01% |
| 2 | BlackRock, Inc. | 47.3M | $70.5M | +3.1% | 7.376% | 0.00% |
| 3 | Soleus Capital Management, L.P. | 41.5M | $61.8M | +78.2% | 6.470% | 2.50% |
| 4 | Deep Track Capital, LP | 31.7M | $47.3M | -2.4% | 4.945% | 0.98% |
| 5 | STATE STREET CORP | 30.5M | $45.4M | +13.5% | 4.754% | 0.00% |
| 6 | VANGUARD CAPITAL MANAGEMENT LLC | 26.7M | $39.7M | — | 4.157% | 0.00% |
| 7 | CITADEL ADVISORS LLC | 22.1M | $32.9M | +105.4% | 3.447% | 0.02% |
| 8 | Point72 Asset Management, L.P. | 20.5M | $30.5M | — | 3.189% | 0.04% |
| 9 | Clearbridge Investments, LLC | 19.6M | $29.2M | +37.8% | 3.058% | 0.03% |
| 10 | Eversept Partners, LP | 18.8M | $28.1M | +6.7% | 2.936% | 1.83% |
| 11 | GEODE CAPITAL MANAGEMENT, LLC | 13.7M | $20.4M | +4.9% | 2.131% | 0.00% |
| 12 | MORGAN STANLEY | 12.7M | $18.9M | +0.5% | 1.974% | 0.00% |
| 13 | Nantahala Capital Management, LLC | 11.2M | $16.7M | +24.4% | 1.750% | 0.86% |
| 14 | GOLDMAN SACHS GROUP INC | 11.2M | $16.7M | -30.9% | 1.742% | 0.00% |
| 15 | Vivo Capital, LLC | 8.7M | $12.9M | -68.2% | 1.352% | 1.08% |
| 16 | MILLENNIUM MANAGEMENT LLC | 7.3M | $10.9M | +54.2% | 1.141% | 0.01% |
| 17 | Kynam Capital Management, LP | 6.8M | $10.2M | +97.8% | 1.066% | 0.64% |
| 18 | FMR LLC | 6.6M | $9.8M | -18.3% | 1.028% | 0.00% |
| 19 | DEUTSCHE BANK AG\ | 5.2M | $7.8M | +1.2% | 0.811% | 0.00% |
| 20 | Pale Fire Capital SE | 4.9M | $7.3M | +2.1% | 0.762% | 0.64% |
| 21 | NORTHERN TRUST CORP | 4.9M | $7.2M | +2.9% | 0.758% | 0.00% |
| 22 | VANGUARD PORTFOLIO MANAGEMENT LLC | 4.7M | $7.0M | — | 0.728% | 0.00% |
| 23 | BANK OF AMERICA CORP /DE/ | 4.6M | $6.8M | +68.9% | 0.710% | 0.00% |
| 24 | CHARLES SCHWAB INVESTMENT MANAGEMENT INC | 4.5M | $6.7M | -0.7% | 0.699% | 0.00% |
| 25 | Candriam Luxembourg S.C.A. | 3.9M | $5.8M | +38.1% | 0.611% | 0.03% |
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 GERN — a direct measure of their conviction.
Filings activity in GERN 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 | 249 | 3.1% | 99.11% | +7.15 pp | $731M | +7.8% |
| Q4 2025 | 257 | +1.6% | 91.96% | 1.07 pp | $678M | 1.2% |
| Q3 2025 | 253 | +0.4% | 93.03% | 3.59 pp | $686M | 3.7% |
| Q2 2025 | 252 | 4.9% | 96.62% | 10.83 pp | $713M | 10% |
| Q1 2025 | 265 | 6.0% | 107.45% | 92.54 pp | $793M | 53% |
| Q4 2024 | 282 | +12% | 199.99% | +0.00 pp | $1.69B | 25% |
| Q3 2024 | 252 | +8.6% | 199.99% | +0.00 pp | $2.24B | +20% |
| Q2 2024 | 232 | — | 199.99% | — | $1.87B | — |
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 GERN stock.
Based on Q1 2026 13F filings, institutional ownership of Geron Corporation stands at 99.1%, held across 249 reporting institutions.
RA CAPITAL MANAGEMENT, L.P. is the largest reported institutional holder of GERN, with approximately 63,771,366 shares worth $0.10B as of Q1 2026.
Yes — 3 widely-followed marquee investors appear among the top 25 institutional holders of GERN, including CITADEL ADVISORS LLC, Point72 Asset Management, L.P., MILLENNIUM MANAGEMENT LLC.
Our composite Smart Money Score for GERN is 66 out of 100 (Bullish). It combines net institutional buying activity, ownership shift, marquee investor presence, and holder-count growth.
38 institutions opened new positions in GERN during Q1 2026, while 46 fully exited. 175 added to existing positions and 30 trimmed.
GERN institutional ownership rose by 7.15 percentage points quarter-over-quarter, with a net change of -8 holders.
The top 10 institutions account for 65.7% of all reported 13F value in GERN, and the top 25 account for 88.3%.
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.
Geron Corporation (GERN) Institutional Ownership