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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, Q3 2023

Institutional positions in Geron Corp as of Sep 30, 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
202
+3 vs. Q2 2023
Shares held
371.2M
+27.0M (+7.8%) vs. Q2 2023
Total value
$786.9M
−$317.7M (−28.8%) vs. Q2 2023
New holders
27
84 more added
Sold out
24
34 more reduced

2 institutions that held it in Q2 2023 haven't filed for Q3 2023 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.

Compare with Q2 2023: 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.

Institutional holdersQ3 2023: 202 institutions
Q1 2021: 146 institutionsQ2 2021: 145 institutionsQ3 2021: 139 institutionsQ4 2021: 147 institutionsQ1 2022: 150 institutionsQ2 2022: 154 institutionsQ3 2022: 180 institutionsQ4 2022: 185 institutionsQ1 2023: 191 institutionsQ2 2023: 201 institutionsQ3 2023: 202 institutionsQ4 2023: 202 institutionsQ1 2024: 231 institutionsQ2 2024: 239 institutionsQ3 2024: 255 institutionsQ4 2024: 285 institutionsQ1 2025: 270 institutionsQ2 2025: 259 institutionsQ3 2025: 263 institutionsQ4 2025: 262 institutionsQ1 2026: 256 institutionsQ2 2026: 260 institutions
Value heldQ3 2023: $786.9M
Q1 2021: $225.3MQ2 2021: $181.6MQ3 2021: $179.0MQ4 2021: $156.5MQ1 2022: $247.1MQ2 2022: $299.0MQ3 2022: $447.8MQ4 2022: $509.1MQ1 2023: $706.4MQ2 2023: $1.10BQ3 2023: $786.9MQ4 2023: $830.0MQ1 2024: $1.43BQ2 2024: $1.97BQ3 2024: $2.31BQ4 2024: $1.73BQ1 2025: $811.6MQ2 2025: $725.4MQ3 2025: $694.7MQ4 2025: $631.7MQ1 2026: $740.7MQ2 2026: $610.5M
Institutions holding GERN and their total value by quarter
QuarterHoldersValue
Q2 2026260$610.5M
Q1 2026256$740.7M
Q4 2025262$631.7M
Q3 2025263$694.7M
Q2 2025259$725.4M
Q1 2025270$811.6M
Q4 2024285$1.73B
Q3 2024255$2.31B
Q2 2024239$1.97B
Q1 2024231$1.43B
Q4 2023202$830.0M
Q3 2023202$786.9M
Q2 2023201$1.10B
Q1 2023191$706.4M
Q4 2022185$509.1M
Q3 2022180$447.8M
Q2 2022154$299.0M
Q1 2022150$247.1M
Q4 2021147$156.5M
Q3 2021139$179.0M
Q2 2021145$181.6M
Q1 2021146$225.3M

Institutions, Q3 2023

Shares, value and share of portfolio for each institution holding Geron Corp; share changes are against Q2 2023.

Institutions holding GERN in Q3 2023
InstitutionSharesValue% of portfolioChange in sharesAction
SEI Investments Co94,310$199.9K0.00%+23,155+32.5%Added
E Fund Management Co., Ltd.97,708$207.0K0.02%+26,473+37.2%Added
ProShare Advisors LLC98,913$209.7K0.00%+1,223+1.3%Added
Cubist Systematic Strategies, LLC103,623$219.7K0.00%+103,623New
Zurcher Kantonalbank (Zurich Cantonalbank)104,023$220.5K0.00%+16,992+19.5%Added
LPL Financial LLC105,942$224.6K0.00%+7,575+7.7%Added
Gsa Capital Partners LLP113,829$241.0K0.02%+113,829New
Capstone Investment Advisors, LLC119,629$253.6K0.01%+105,892+770.9%Added
Moody National Bank Trust Division126,974$269.2K0.02%+67,016+111.8%Added
Lazari Capital Management, Inc.127,924$271.2K0.16%−26,000−16.9%Reduced
ExodusPoint Capital Management, LP128,434$272.0K0.00%+128,434New
Principal Financial Group Inc129,105$273.7K0.00%+1,833+1.4%Added
Teacher Retirement System of Texas130,096$276.0K0.00%+5,880+4.7%Added
Arizona State Retirement System130,376$276.4K0.00%+1,773+1.4%Added
Aigen Investment Management, LP133,145$282.3K0.05%+133,145New
Verition Fund Management LLC140,149$297.1K0.00%+140,149New
State Board of Administration of Florida Retirement System142,122$301.3K0.00%+750+0.5%Added
Arnhold LLC142,400$301.9K0.04%00.0%Unchanged
Walleye Trading LLC143,150$303.5K0.01%+113,953+390.3%Added
CWM Advisors, LLC145,785$309.1K0.04%+145,785New
Cresset Asset Management, LLC157,244$333.4K0.00%+2,239+1.4%Added
Price T Rowe Associates Inc171,278$364.0K0.00%−63,855−27.2%Reduced
Janus Henderson Group PLC181,310$383.5K0.00%+500.0%Added
New York State Common Retirement Fund184,931$392.1K0.00%+1,924+1.1%Added
Jane Street Group, LLC188,352$399.3K0.00%−384,355−67.1%Reduced
Voya Investment Management LLC200,244$424.5K0.00%+2,351+1.2%Added
HighVista Strategies LLC200,893$425.9K0.20%+78,189+63.7%Added
Commonwealth Equity Services, LLC218,297$463.0K0.00%+36,358+20.0%Added
Occudo Quantitative Strategies LP231,060$489.8K0.06%+231,060New
Advisory Research Inc236,682$501.8K0.07%−684,653−74.3%Reduced
Squarepoint Ops LLC242,666$514.5K0.00%+17,289+7.7%Added
Teachers Retirement System of the State of Kentucky246,560$523.0K0.01%00.0%Unchanged
Deutsche Bank AG246,833$523.3K0.00%+36,001+17.1%Added
American International Group, Inc.248,540$526.9K0.00%+8,837+3.7%Added
Jefferies Financial Group Inc.254,500$539.5K0.01%00.0%Unchanged
Manufacturers Life Insurance Company, The259,526$550.2K0.00%+60,239+30.2%Added
Cambridge Investment Research Advisors, Inc.261,495$554.0K0.00%−47,120−15.3%Reduced
MetLife Investment Management262,662$556.8K0.00%00.0%Unchanged
Advisor Group Holdings, Inc.299,175$634.2K0.00%+73,458+32.5%Added
Profund Advisors LLC322,857$684.5K0.04%+77,695+31.7%Added
Private Advisor Group, LLC347,586$736.9K0.01%+43,586+14.3%Added
Allspring Global Investments Holdings, LLC347,932$737.6K0.00%+63,273+22.2%Added
Summit X, LLC358,458$760.0K0.24%−3,796−1.0%Reduced
Tri Locum Partners LP381,081$807.9K0.26%+381,081New
Alps Advisors Inc386,300$819.0K0.01%+12,329+3.3%Added
State of Wisconsin Investment Board391,243$829.4K0.00%−141,356−26.5%Reduced
Citadel Advisors LLC391,709$830.4K0.00%−2,262,062−85.2%Reduced
UBS Asset Management Americas Inc393,846$835.0K0.00%+63,212+19.1%Added
Legal & General Group Plc410,104$869.4K0.00%+7,329+1.8%Added
Susquehanna International Group, LLP471,809$1.00M0.00%−269,511−36.4%Reduced
Wells Fargo & Company482,065$1.02M0.00%+21,507+4.7%Added
Alliancebernstein L.P.512,741$1.09M0.00%00.0%Unchanged
California State Teachers Retirement System514,557$1.09M0.00%−53,991−9.5%Reduced
BNP Paribas Arbitrage, SA517,684$1.10M0.00%+206,632+66.4%Added
Crestline Management, LP585,151$1.24M0.15%+95,000+19.4%Added
Ameriprise Financial Inc604,101$1.28M0.00%+163,106+37.0%Added
UBS Group AG651,180$1.38M0.00%−1,414−0.2%Reduced
First Trust Advisors LP653,202$1.38M0.00%+653,202New
Credit Suisse AG656,570$1.39M0.00%−44,343−6.3%Reduced
Rhumbline Advisers705,986$1.50M0.00%−1,909−0.3%Reduced
Nan Fung Group Holdings Ltd753,550$1.60M1.29%+365,550+94.2%Added
Velan Capital Investment Management LP778,500$1.65M1.35%00.0%Unchanged
Citigroup Inc805,911$1.71M0.00%+276,572+52.2%Added
Jump Financial, LLC831,308$1.76M0.07%+750,001+922.4%Added
Swiss National Bank1,006,500$2.13M0.00%+9,700+1.0%Added
Russell Investments Group, Ltd.1,032,469$2.19M0.00%+999,685+3,049.3%Added
Bank of America Corp1,204,069$2.55M0.00%+403,491+50.4%Added
MML Investors Services, LLC1,295,228$2.75M0.02%00.0%Unchanged
Morgan Stanley1,365,032$2.89M0.00%+609,794+80.7%Added
Nuveen Asset Management, LLC1,465,714$3.11M0.00%+94,739+6.9%Added
Barclays PLC1,564,349$3.32M0.00%+811,192+107.7%Added
Bank of New York Mellon Corp1,613,253$3.42M0.00%−18,910−1.2%Reduced
JPMorgan Chase & Co1,629,186$3.45M0.00%−48,737−2.9%Reduced
Rafferty Asset Management, LLC1,902,266$4.03M0.02%+577,422+43.6%Added
Opaleye Management Inc.1,915,000$4.06M1.33%−435,000−18.5%Reduced
Ally Bridge Group (NY) LLC2,221,639$4.71M5.53%+98,477+4.6%Added
Walleye Capital LLC2,226,066$4.72M0.07%+1,322,938+146.5%Added
Logos Global Management LP2,750,000$5.83M0.83%+550,000+25.0%Added
Boxer Capital, LLC3,000,000$6.36M0.34%00.0%Unchanged
Baker Bros. Advisors LP3,061,224$6.49M0.04%00.0%Unchanged
Goldman Sachs Group Inc3,519,462$7.46M0.00%+102,583+3.0%Added
Armistice Capital, LLC3,624,000$7.68M0.23%−876,000−19.5%Reduced
Charles Schwab Investment Management Inc3,634,330$7.70M0.00%+2,300,220+172.4%Added
Sofinnova Investments, Inc.3,702,546$7.85M0.55%−1,726,609−31.8%Reduced
Invesco Ltd.4,557,790$9.66M0.00%+784,822+20.8%Added
Segall Bryant & Hamill, LLC4,990,499$10.6M0.12%+1,545,711+44.9%Added
Northern Trust Corp5,359,030$11.4M0.00%+133,049+2.5%Added
Artal Group S.A.5,565,889$11.8M0.51%00.0%Unchanged
Marshall Wace, LLP5,860,645$12.4M0.03%−3,949,774−40.3%Reduced
FMR LLC7,561,066$16.0M0.00%−342,967−4.3%Reduced
Geode Capital Management, LLC10,012,902$21.2M0.00%+697,504+7.5%Added
Wellington Management Group LLP10,405,626$22.1M0.00%+342,493+3.4%Added
MPM Oncology Impact Management LP10,712,481$22.7M6.06%+1,521,191+16.6%Added
Millennium Management LLC16,073,106$34.1M0.04%+3,864,817+31.7%Added
Vivo Capital, LLC16,524,634$35.0M4.33%00.0%Unchanged
NEA Management Company, LLC22,776,409$48.3M3.73%+1,428,571+6.7%Added
TCG Crossover Management, LLC23,375,839$49.6M7.30%−213,940−0.9%Reduced
State Street Corp25,371,385$53.8M0.00%+4,093,323+19.2%Added
Deep Track Capital, LP25,700,000$54.5M2.11%+1,529,034+6.3%Added
Vanguard Group Inc26,650,246$56.5M0.00%−32,987−0.1%Reduced