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 2023
Institutional positions in Geron Corp as of Mar 31, 2023. 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
- 191
- +7 vs. Q4 2022
- Shares held
- 325.5M
- +117.1M (+56.2%) vs. Q4 2022
- Total value
- $706.4M
- +$198.5M (+39.1%) vs. Q4 2022
- New holders
- 41
- 77 more added
- Sold out
- 34
- 35 more reduced
1 institution that held it in Q4 2022 haven't filed for Q1 2023 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q4 2022: 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 2023
Shares, value and share of portfolio for each institution holding Geron Corp; share changes are against Q4 2022.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Public Employees Retirement Association of Colorado | 89,722 | $195.0K | 0.00% | −221,855−71.2% | Reduced |
| Principal Financial Group Inc | 104,097 | $225.9K | 0.00% | +6,650+6.8% | Added |
| E Fund Management Co., Ltd. | 104,721 | $227.0K | 0.02% | +38,059+57.1% | Added |
| Arizona State Retirement System | 107,657 | $233.6K | 0.00% | +11,707+12.2% | Added |
| Two Sigma Investments, LP | 108,610 | $235.7K | 0.00% | +96,510+797.6% | Added |
| AQR Capital Management LLC | 111,763 | $242.5K | 0.00% | +25,963+30.3% | Added |
| Teacher Retirement System of Texas | 114,457 | $248.0K | 0.00% | +9,521+9.1% | Added |
| DekaBank Deutsche Girozentrale | 120,000 | $251.0K | 0.00% | +120,000 | New |
| LPL Financial LLC | 117,167 | $254.3K | 0.00% | −2,400−2.0% | Reduced |
| Qube Research & Technologies Ltd | 125,615 | $272.6K | 0.00% | +125,615 | New |
| State Board of Administration of Florida Retirement System | 127,922 | $277.6K | 0.00% | 00.0% | Unchanged |
| Arnhold LLC | 142,400 | $309.0K | 0.04% | 00.0% | Unchanged |
| Manufacturers Life Insurance Company, The | 147,222 | $319.5K | 0.00% | +7,535+5.4% | Added |
| Occudo Quantitative Strategies LP | 149,069 | $323.5K | 0.03% | −67,678−31.2% | Reduced |
| Price T Rowe Associates Inc | 155,811 | $339.0K | 0.00% | −44,766−22.3% | Reduced |
| Voya Investment Management LLC | 159,047 | $345.1K | 0.00% | −867,417−84.5% | Reduced |
| Putnam Investments LLC | 168,084 | $364.7K | 0.00% | −81,056−32.5% | Reduced |
| Commonwealth Equity Services, LLC | 171,771 | $372.0K | 0.00% | +20,559+13.6% | Added |
| Legal & General Group Plc | 175,350 | $380.5K | 0.00% | +28,171+19.1% | Added |
| Prudential Financial Inc | 179,802 | $390.2K | 0.00% | −48,540−21.3% | Reduced |
| Janus Henderson Group PLC | 181,480 | $392.9K | 0.00% | +132,063+267.2% | Added |
| ClariVest Asset Management LLC | 183,519 | $399.0K | 0.02% | −177−0.1% | Reduced |
| SG Americas Securities, LLC | 185,910 | $403.0K | 0.01% | +123,036+195.7% | Added |
| New York State Common Retirement Fund | 192,946 | $418.7K | 0.00% | −62,135−24.4% | Reduced |
| Private Advisor Group, LLC | 199,900 | $433.8K | 0.00% | +145,250+265.8% | Added |
| American International Group, Inc. | 206,580 | $448.3K | 0.00% | +34,753+20.2% | Added |
| Cambridge Investment Research Advisors, Inc. | 207,115 | $449.0K | 0.00% | −34,366−14.2% | Reduced |
| Walleye Trading LLC | 214,953 | $466.4K | 0.02% | +214,953 | New |
| Advisor Group Holdings, Inc. | 218,817 | $474.8K | 0.00% | +9,705+4.6% | Added |
| MetLife Investment Management | 225,163 | $488.6K | 0.00% | +50,422+28.9% | Added |
| Laurion Capital Management LP | 230,704 | $500.6K | 0.02% | +230,704 | New |
| Jane Street Group, LLC | 281,226 | $610.3K | 0.00% | +249,616+789.7% | Added |
| Teachers Retirement System of the State of Kentucky | 281,925 | $612.0K | 0.01% | +281,925 | New |
| Alps Advisors Inc | 287,983 | $624.9K | 0.01% | +29,552+11.4% | Added |
| Velan Capital Investment Management LP | 300,000 | $651.0K | 0.58% | +300,000 | New |
| Allspring Global Investments Holdings, LLC | 303,508 | $658.6K | 0.00% | +248,403+450.8% | Added |
| Deutsche Bank AG | 303,733 | $659.1K | 0.00% | +74,730+32.6% | Added |
| UBS Asset Management Americas Inc | 330,634 | $717.5K | 0.00% | +40,259+13.9% | Added |
| JPMorgan Chase & Co | 330,904 | $718.0K | 0.00% | +116,895+54.6% | Added |
| State of Wisconsin Investment Board | 342,757 | $743.8K | 0.00% | +22,534+7.0% | Added |
| Profund Advisors LLC | 343,602 | $745.6K | 0.05% | +343,602 | New |
| Alliancebernstein L.P. | 360,811 | $783.0K | 0.00% | +17,300+5.0% | Added |
| Summit X, LLC | 374,770 | $813.2K | 0.21% | +271,606+263.3% | Added |
| Maven Securities LTD | 400,000 | $868.0K | 0.14% | +400,000 | New |
| Crestline Management, LP | 408,812 | $887.1K | 0.11% | +408,812 | New |
| Wells Fargo & Company | 414,996 | $900.5K | 0.00% | +391,321+1,652.9% | Added |
| Ghost Tree Capital, LLC | 450,000 | $977.0K | 0.37% | +450,000 | New |
| California State Teachers Retirement System | 485,535 | $1.05M | 0.00% | +45,222+10.3% | Added |
| Advisory Research Inc | 494,776 | $1.07M | 0.18% | +297,752+151.1% | Added |
| Norges Bank | 516,300 | $1.12M | 0.00% | +516,300 | New |
| Credit Suisse AG | 531,560 | $1.15M | 0.00% | +27,349+5.4% | Added |
| Rhumbline Advisers | 572,637 | $1.24M | 0.00% | +64,432+12.7% | Added |
| BNP Paribas Arbitrage, SA | 754,371 | $1.64M | 0.00% | +486,845+182.0% | Added |
| Barclays PLC | 789,986 | $1.71M | 0.00% | −135,219−14.6% | Reduced |
| UBS Group AG | 791,229 | $1.72M | 0.00% | +172,257+27.8% | Added |
| Swiss National Bank | 801,900 | $1.74M | 0.00% | −19,100−2.3% | Reduced |
| Morgan Stanley | 1,113,885 | $2.42M | 0.00% | +521,985+88.2% | Added |
| Charles Schwab Investment Management Inc | 1,138,518 | $2.47M | 0.00% | +177,382+18.5% | Added |
| Susquehanna International Group, LLP | 1,241,314 | $2.69M | 0.00% | +1,036,400+505.8% | Added |
| Nuveen Asset Management, LLC | 1,321,215 | $2.87M | 0.00% | +384,731+41.1% | Added |
| Bank of New York Mellon Corp | 1,403,491 | $3.05M | 0.00% | +141,653+11.2% | Added |
| Citigroup Inc | 1,480,704 | $3.21M | 0.00% | +910,697+159.8% | Added |
| D. E. Shaw & Co., Inc. | 1,644,388 | $3.57M | 0.01% | −347,848−17.5% | Reduced |
| Rafferty Asset Management, LLC | 1,844,634 | $4.00M | 0.03% | +564,779+44.1% | Added |
| Avidity Partners Management LP | 2,128,000 | $4.62M | 0.15% | +2,128,000 | New |
| Octagon Capital Advisors LP | 2,278,000 | $4.94M | 0.71% | +2,278,000 | New |
| Bank of America Corp | 2,316,193 | $5.03M | 0.00% | +731,988+46.2% | Added |
| Goldman Sachs Group Inc | 2,397,053 | $5.20M | 0.00% | +1,251,703+109.3% | Added |
| Point72 Asset Management, L.P. | 2,993,100 | $6.50M | 0.02% | +2,993,100 | New |
| Baker Bros. Advisors LP | 3,061,224 | $6.64M | 0.04% | +3,061,224 | New |
| Walleye Capital LLC | 3,489,434 | $7.57M | 0.15% | +2,166,056+163.7% | Added |
| Logos Global Management LP | 3,550,000 | $7.70M | 1.10% | −450,000−11.3% | Reduced |
| Invesco Ltd. | 4,014,130 | $8.71M | 0.00% | +3,852,094+2,377.3% | Added |
| Northern Trust Corp | 4,242,241 | $9.21M | 0.00% | +614,165+16.9% | Added |
| Millennium Management LLC | 5,325,894 | $11.6M | 0.01% | +1,500,148+39.2% | Added |
| Artal Group S.A. | 5,565,889 | $12.1M | 0.72% | +5,565,889 | New |
| Citadel Advisors LLC | 6,888,803 | $14.9M | 0.02% | +6,569,096+2,054.7% | Added |
| Fairmount Funds Management LLC | 7,104,358 | $15.4M | 2.65% | +7,104,358 | New |
| Geode Capital Management, LLC | 8,081,850 | $17.5M | 0.00% | +1,655,765+25.8% | Added |
| FMR LLC | 8,142,625 | $17.7M | 0.00% | +7,958,208+4,315.3% | Added |
| Sofinnova Investments, Inc. | 8,274,892 | $18.0M | 1.22% | +6,815,303+466.9% | Added |
| MPM Oncology Impact Management LP | 8,401,565 | $18.2M | 4.74% | −65,416−0.8% | Reduced |
| Wellington Management Group LLP | 10,974,066 | $23.8M | 0.00% | +10,687,554+3,730.2% | Added |
| TCG Crossover Management, LLC | 17,765,213 | $38.6M | 7.51% | +2,578,140+17.0% | Added |
| Vivo Capital, LLC | 19,282,834 | $41.8M | 3.13% | 00.0% | Unchanged |
| NEA Management Company, LLC | 21,347,838 | $46.3M | 3.20% | +5,029,157+30.8% | Added |
| Vanguard Group Inc | 22,541,968 | $48.9M | 0.00% | +3,601,660+19.0% | Added |
| State Street Corp | 25,557,601 | $55.5M | 0.00% | +5,845,412+29.7% | Added |
| Deep Track Capital, LP | 26,867,479 | $58.3M | 2.48% | +19,452,786+262.4% | Added |
| BlackRock Inc. | 31,498,755 | $68.4M | 0.00% | +4,237,620+15.5% | Added |
| Ra Capital Management, L.P. | 31,544,806 | $68.5M | 1.55% | +18,614,095+144.0% | Added |
| Boxer Capital, LLC | 0 | $0 | 0.00% | −8,100,000−100.0% | Sold out |
| EcoR1 Capital, LLC | 0 | $0 | 0.00% | −4,028,507−100.0% | Sold out |
| Caption Management, LLC | 0 | $0 | 0.00% | −1,735,708−100.0% | Sold out |
| Kennedy Capital Management, Inc. | 0 | $0 | 0.00% | −1,210,418−100.0% | Sold out |
| Banco BTG Pactual S.A. | 0 | $0 | 0.00% | −589,981−100.0% | Sold out |
| Adage Capital Partners GP, L.L.C. | 0 | $0 | 0.00% | −500,000−100.0% | Sold out |
| Renaissance Technologies LLC | 0 | $0 | 0.00% | −257,800−100.0% | Sold out |
| Dimensional Fund Advisors LP | 0 | $0 | 0.00% | −159,979−100.0% | Sold out |
| ExodusPoint Capital Management, LP | 0 | $0 | 0.00% | −134,536−100.0% | Sold out |