Geron Corp
GERN- Exchange
- Nasdaq
- Industry
- Pharmaceutical Preparations
- SEC CIK
- 0000886744
No open-market purchases or sales by Geron Corp insiders were filed in the last 90 days; 260 institutions reported holding it in 13F filings for Q2 2026, worth $610.5M in total; no superinvestor holds it.
13F holders, Q1 2026
Institutional positions in Geron Corp as of Mar 31, 2026. Investment managers with $100 million or more in US stocks report their long positions on Form 13F within 45 days after each quarter ends. How 13F works
- Institutional holders
- 256
- −1 vs. Q4 2025
- Shares held
- 497.2M
- +54.4M (+12.3%) vs. Q4 2025
- Total value
- $740.7M
- +$156.3M (+26.7%) vs. Q4 2025
- New holders
- 37
- 90 more added
- Sold out
- 38
- 56 more reduced
5 institutions that held it in Q4 2025 haven't filed for Q1 2026 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q4 2025: new holders, sold out and not filed yet
Holders and value by quarter
Institutions reporting GERN on Form 13F each quarter since Q1 2021, and the total value they reported. Values are as of each quarter end, so they also move with the share price.
| Quarter | Holders | Value |
|---|---|---|
| Q2 2026 | 260 | $610.5M |
| Q1 2026 | 256 | $740.7M |
| Q4 2025 | 262 | $631.7M |
| Q3 2025 | 263 | $694.7M |
| Q2 2025 | 259 | $725.4M |
| Q1 2025 | 270 | $811.6M |
| Q4 2024 | 285 | $1.73B |
| Q3 2024 | 255 | $2.31B |
| Q2 2024 | 239 | $1.97B |
| Q1 2024 | 231 | $1.43B |
| Q4 2023 | 202 | $830.0M |
| Q3 2023 | 202 | $786.9M |
| Q2 2023 | 201 | $1.10B |
| Q1 2023 | 191 | $706.4M |
| Q4 2022 | 185 | $509.1M |
| Q3 2022 | 180 | $447.8M |
| Q2 2022 | 154 | $299.0M |
| Q1 2022 | 150 | $247.1M |
| Q4 2021 | 147 | $156.5M |
| Q3 2021 | 139 | $179.0M |
| Q2 2021 | 145 | $181.6M |
| Q1 2021 | 146 | $225.3M |
Institutions, Q1 2026
Shares, value and share of portfolio for each institution holding Geron Corp; share changes are against Q4 2025.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Nvest Financial, LLC | 508,474 | $757.6K | 0.28% | +279,683+122.2% | Added |
| Alps Advisors Inc | 521,439 | $776.9K | 0.00% | −2,720−0.5% | Reduced |
| Lion Point Capital, LP | 578,000 | $861.2K | 5.15% | 00.0% | Unchanged |
| J. Goldman & Co LP | 610,659 | $909.9K | 0.04% | +610,659 | New |
| Virtus Investment Advisers, Inc. | 620,795 | $925.0K | 0.26% | +118,286+23.5% | Added |
| Citigroup Inc | 633,501 | $943.9K | 0.00% | +494,110+354.5% | Added |
| Ameriprise Financial Inc | 651,185 | $970.3K | 0.00% | −386−0.1% | Reduced |
| Rhumbline Advisers | 700,101 | $1.04M | 0.00% | −27,411−3.8% | Reduced |
| California State Teachers Retirement System | 737,143 | $1.10M | 0.00% | +261,886+55.1% | Added |
| Jane Street Group, LLC | 771,971 | $1.15M | 0.00% | −241,032−23.8% | Reduced |
| Rafferty Asset Management, LLC | 883,595 | $1.32M | 0.01% | +61,705+7.5% | Added |
| Swiss National Bank | 947,500 | $1.41M | 0.00% | +21,400+2.3% | Added |
| XTX Topco Ltd | 961,159 | $1.43M | 0.02% | +702,762+272.0% | Added |
| Pensionmark Financial Group, LLC | 1,033,779 | $1.54M | 0.02% | 00.0% | Unchanged |
| HRT Financial LP | 1,214,752 | $1.81M | 0.00% | +14,527+1.2% | Added |
| Susquehanna International Group, LLP | 1,250,017 | $1.86M | 0.00% | −46,146−3.6% | Reduced |
| UBS Asset Management Americas Inc | 1,271,014 | $1.89M | 0.00% | +38,726+3.1% | Added |
| Invesco Ltd. | 1,304,458 | $1.94M | 0.00% | +78,800+6.4% | Added |
| Nan Fung Trinity (HK) Ltd | 1,373,550 | $2.05M | 0.22% | 00.0% | Unchanged |
| Qube Research & Technologies Ltd | 1,445,859 | $2.15M | 0.00% | −1,661,670−53.5% | Reduced |
| Bank of New York Mellon Corp | 1,540,236 | $2.29M | 0.00% | −33,600−2.1% | Reduced |
| Renaissance Technologies LLC | 1,799,521 | $2.68M | 0.00% | +1,062,355+144.1% | Added |
| Two Sigma Investments, LP | 1,889,468 | $2.82M | 0.00% | −912,000−32.6% | Reduced |
| Janus Henderson Group PLC | 2,218,196 | $3.30M | 0.00% | +1,978,839+826.7% | Added |
| Edmond de Rothschild Holding S.A. | 2,330,000 | $3.47M | 0.05% | 00.0% | Unchanged |
| Vestal Point Capital, LP | 2,540,000 | $3.78M | 0.11% | −8,780,000−77.6% | Reduced |
| Nuveen, LLC | 2,931,489 | $4.37M | 0.00% | +931,646+46.6% | Added |
| Marshall Wace, LLP | 2,960,047 | $4.41M | 0.00% | +2,960,047 | New |
| UBS Group AG | 3,693,333 | $5.50M | 0.00% | +419,628+12.8% | Added |
| Vanguard Fiduciary Trust Co | 3,835,146 | $5.71M | 0.00% | +3,835,146 | New |
| Candriam Luxembourg S.C.A. | 3,921,476 | $5.84M | 0.03% | +1,081,992+38.1% | Added |
| Charles Schwab Investment Management Inc | 4,483,376 | $6.68M | 0.00% | −30,687−0.7% | Reduced |
| Bank of America Corp | 4,556,278 | $6.79M | 0.00% | +1,858,268+68.9% | Added |
| Vanguard Portfolio Management LLC | 4,668,783 | $6.96M | 0.00% | +4,668,783 | New |
| Segall Bryant & Hamill, LLC | 4,740,048 | $7.06M | 0.10% | −308,888−6.1% | Reduced |
| Northern Trust Corp | 4,862,264 | $7.24M | 0.00% | +135,659+2.9% | Added |
| Pale Fire Capital SE | 4,888,304 | $7.28M | 0.64% | +99,710+2.1% | Added |
| Deutsche Bank AG | 5,203,516 | $7.75M | 0.00% | +62,707+1.2% | Added |
| FMR LLC | 6,597,156 | $9.83M | 0.00% | −1,479,809−18.3% | Reduced |
| Kynam Capital Management, LP | 6,836,318 | $10.2M | 0.65% | +3,380,000+97.8% | Added |
| Millennium Management LLC | 7,321,522 | $10.9M | 0.01% | +2,717,646+59.0% | Added |
| Vivo Capital, LLC | 8,671,797 | $12.9M | 1.07% | −18,553,495−68.1% | Reduced |
| Goldman Sachs Group Inc | 11,176,591 | $16.7M | 0.00% | −4,997,807−30.9% | Reduced |
| Nantahala Capital Management, LLC | 11,225,000 | $16.7M | 1.04% | +2,200,000+24.4% | Added |
| Morgan Stanley | 12,665,119 | $18.9M | 0.00% | +61,701+0.5% | Added |
| Geode Capital Management, LLC | 13,670,785 | $20.4M | 0.00% | +643,450+4.9% | Added |
| Eversept Partners, LP | 18,834,883 | $28.1M | 1.85% | +1,174,900+6.7% | Added |
| Clearbridge Investments, LLC | 19,620,320 | $29.2M | 0.03% | +5,377,367+37.8% | Added |
| Point72 Asset Management, L.P. | 20,457,134 | $30.5M | 0.05% | +20,457,134 | New |
| Citadel Advisors LLC | 21,576,569 | $32.1M | 0.02% | +11,650,783+117.4% | Added |
| Vanguard Capital Management LLC | 26,669,029 | $39.7M | 0.00% | +26,669,029 | New |
| State Street Corp | 30,497,183 | $45.4M | 0.00% | +3,629,861+13.5% | Added |
| Deep Track Capital, LP | 31,720,278 | $47.3M | 0.98% | −790,993−2.4% | Reduced |
| Soleus Capital Management, L.P. | 41,508,659 | $61.8M | 2.50% | +18,218,659+78.2% | Added |
| BlackRock, Inc. | 47,319,779 | $70.5M | 0.00% | +1,406,435+3.1% | Added |
| Ra Capital Management, L.P. | 63,771,366 | $95.0M | 1.01% | 00.0% | Unchanged |
| Standard Life Aberdeen plc | 0 | $0 | 0.00% | −9,527,083−100.0% | Sold out |
| Woodline Partners LP | 0 | $0 | 0.00% | −7,504,094−100.0% | Sold out |
| Algert Global LLC | 0 | $0 | 0.00% | −3,499,747−100.0% | Sold out |
| Affinity Asset Advisors, LLC | 0 | $0 | 0.00% | −1,500,000−100.0% | Sold out |
| Squarepoint Ops LLC | 0 | $0 | 0.00% | −1,130,076−100.0% | Sold out |
| Almitas Capital LLC | 0 | $0 | 0.00% | −896,323−100.0% | Sold out |
| MML Investors Services, LLC | 0 | $0 | 0.00% | −834,115−100.0% | Sold out |
| Stonepine Capital Management, LLC | 0 | $0 | 0.00% | −805,800−100.0% | Sold out |
| Centiva Capital, LP | 0 | $0 | 0.00% | −686,538−100.0% | Sold out |
| Two Sigma Advisers, LP | 0 | $0 | 0.00% | −365,046−100.0% | Sold out |
| Los Angeles Capital Management LLC | 0 | $0 | 0.00% | −364,212−100.0% | Sold out |
| Virtu Financial LLC | 0 | $0 | 0.00% | −129,333−100.0% | Sold out |
| Wealth Enhancement Advisory Services, LLC | 0 | $0 | 0.00% | −92,267−100.0% | Sold out |
| Tiaa Trust, National Association | 0 | $0 | 0.00% | −58,250−100.0% | Sold out |
| Mariner, LLC | 0 | $0 | 0.00% | −49,804−100.0% | Sold out |
| Northwestern Mutual Wealth Management Co | 0 | $0 | 0.00% | −40,000−100.0% | Sold out |
| Aigen Investment Management, LP | 0 | $0 | 0.00% | −37,355−100.0% | Sold out |
| Atom Investors LP | 0 | $0 | 0.00% | −37,341−100.0% | Sold out |
| Two Sigma Securities, LLC | 0 | $0 | 0.00% | −36,196−100.0% | Sold out |
| Mackenzie Financial Corp | 0 | $0 | 0.00% | −34,225−100.0% | Sold out |
| Sanctuary Advisors, LLC | 0 | $0 | 0.00% | −30,547−100.0% | Sold out |
| Canada Pension Plan Investment Board | 0 | $0 | 0.00% | −28,000−100.0% | Sold out |
| Sagewood Asset Management LP | 0 | $0 | 0.00% | −19,017−100.0% | Sold out |
| Cerity Partners LLC | 0 | $0 | 0.00% | −16,808−100.0% | Sold out |
| Blueshift Asset Management, LLC | 0 | $0 | 0.00% | −15,308−100.0% | Sold out |
| Jump Financial, LLC | 0 | $0 | 0.00% | −14,385−100.0% | Sold out |
| Pathstone Holdings, LLC | 0 | $0 | 0.00% | −12,537−100.0% | Sold out |
| J.W. Cole Advisors, Inc. | 0 | $0 | 0.00% | −12,300−100.0% | Sold out |
| Graham Capital Management, L.P. | 0 | $0 | 0.00% | −11,436−100.0% | Sold out |
| Nwam LLC | 0 | $0 | 0.00% | −10,000−100.0% | Sold out |
| Jefferies Financial Group Inc. | 0 | $0 | 0.00% | −10,000−100.0% | Sold out |
| Virtue Capital Management, LLC | 0 | $0 | 0.00% | −10,000−100.0% | Sold out |
| Sunbelt Securities, Inc. | 0 | $0 | 0.00% | −4,100−100.0% | Sold out |
| Daiwa Securities Group Inc. | 0 | $0 | 0.00% | −2,247−100.0% | Sold out |
| Strategic Investment Solutions, Inc. | 0 | $0 | 0.00% | −1,500−100.0% | Sold out |
| Robertson Stephens Wealth Management, LLC | 0 | $0 | 0.00% | −1,000−100.0% | Sold out |
| Kilter Group LLC | 0 | $0 | 0.00% | −154−100.0% | Sold out |
| IFP Advisors, Inc | 0 | $0 | 0.00% | −20−100.0% | Sold out |
| Vanguard Group Inc | – | – | – | – | Not filed |
| Global Retirement Partners, LLC | – | – | – | – | Not filed |
| CIBC World Markets Corp | – | – | – | – | Not filed |
| Financial Advisory Corp | – | – | – | – | Not filed |
| Comerica Bank | – | – | – | – | Not filed |