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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, Q2 2025

Institutional positions in Geron Corp as of Jun 30, 2025. 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
259
−8 vs. Q1 2025
Shares held
514.5M
+5.67M (+1.1%) vs. Q1 2025
Total value
$725.4M
−$84.6M (−10.4%) vs. Q1 2025
New holders
32
97 more added
Sold out
40
71 more reduced

3 institutions that held it in Q1 2025 haven't filed for Q2 2025 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.

Compare with Q1 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.

Institutional holdersQ2 2025: 259 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 heldQ2 2025: $725.4M
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, Q2 2025

Shares, value and share of portfolio for each institution holding Geron Corp; share changes are against Q1 2025.

Institutions holding GERN in Q2 2025
InstitutionSharesValue% of portfolioChange in sharesAction
Ra Capital Management, L.P.60,379,366$85.1M1.43%00.0%Unchanged
BlackRock, Inc.50,023,485$70.5M0.00%+948,176+1.9%Added
Deep Track Capital, LP43,000,000$60.6M1.95%+4,823,749+12.6%Added
Vanguard Group Inc35,614,200$50.2M0.00%+1,467,349+4.3%Added
Vivo Capital, LLC27,225,292$38.4M3.93%00.0%Unchanged
Vestal Point Capital, LP23,775,000$33.5M1.76%+1,769,660+8.0%Added
State Street Corp23,631,876$33.3M0.00%−279,916−1.2%Reduced
Soleus Capital Management, L.P.16,140,000$22.8M1.57%+13,740,000+572.5%Added
Clearbridge Investments, LLC14,376,311$20.3M0.02%+5,689,169+65.5%Added
Geode Capital Management, LLC14,152,038$20.0M0.00%+584,444+4.3%Added
Morgan Stanley13,295,442$18.7M0.00%+1,761,204+15.3%Added
Citadel Advisors LLC12,035,901$17.0M0.01%+5,372,587+80.6%Added
UBS Group AG11,745,012$16.6M0.00%+6,533,579+125.4%Added
Goldman Sachs Group Inc9,815,660$13.8M0.00%+1,679,460+20.6%Added
Point72 Asset Management, L.P.9,606,217$13.5M0.03%+2,479,399+34.8%Added
Woodline Partners LP7,998,188$11.3M0.06%+269,443+3.5%Added
Eversept Partners, LP7,320,174$10.3M1.04%+7,320,174New
Segall Bryant & Hamill, LLC7,192,184$10.1M0.14%−234,670−3.2%Reduced
Standard Life Aberdeen plc6,985,932$9.85M0.02%+3,293,179+89.2%Added
StemPoint Capital LP6,649,244$9.38M3.02%+5,688,937+592.4%Added
Bank of America Corp6,389,739$9.01M0.00%−3,302,620−34.1%Reduced
Millennium Management LLC6,047,354$8.53M0.01%−4,759,271−44.0%Reduced
Northern Trust Corp5,254,214$7.41M0.00%−2,749−0.1%Reduced
Renaissance Technologies LLC4,999,100$7.05M0.01%−602,000−10.7%Reduced
Qube Research & Technologies Ltd4,981,598$7.02M0.01%+186,043+3.9%Added
FMR LLC4,837,625$6.82M0.00%−7,527,719−60.9%Reduced
Charles Schwab Investment Management Inc4,689,314$6.61M0.00%+238,283+5.4%Added
Algert Global LLC4,448,600$6.27M0.13%+1,187,666+36.4%Added
Deutsche Bank AG3,718,003$5.24M0.00%−76,562−2.0%Reduced
Squarepoint Ops LLC3,599,221$5.07M0.01%+2,199,413+157.1%Added
Kynam Capital Management, LP3,456,318$4.87M0.52%−203,208−5.6%Reduced
Exome Asset Management LLC3,414,377$4.81M3.97%+198,920+6.2%Added
Ally Bridge Group (NY) LLC3,251,475$4.58M3.81%+1,194,838+58.1%Added
683 Capital Management, LLC3,100,000$4.37M0.44%+250,000+8.8%Added
Edmond de Rothschild Holding S.A.2,330,000$3.29M0.05%+200,000+9.4%Added
Barclays PLC2,152,825$3.04M0.00%+997,902+86.4%Added
Nuveen, LLC2,114,479$2.98M0.00%−736,290−25.8%Reduced
UBS Asset Management Americas Inc2,078,625$2.93M0.00%+706,609+51.5%Added
Candriam Luxembourg S.C.A.1,895,892$2.67M0.02%−1180.0%Reduced
Bank of New York Mellon Corp1,634,410$2.30M0.00%−5,404−0.3%Reduced
Susquehanna International Group, LLP1,603,685$2.26M0.00%−268,815−14.4%Reduced
Ikarian Capital, LLC1,600,000$2.26M0.75%+1,450,000+966.7%Added
Balyasny Asset Management LLC1,554,849$2.19M0.00%−1,955,071−55.7%Reduced
Affinity Asset Advisors, LLC1,500,000$2.12M0.31%00.0%Unchanged
Nan Fung Trinity (HK) Ltd1,373,550$1.94M0.23%+1,373,550New
Prelude Capital Management, LLC1,085,427$1.53M0.15%+190,402+21.3%Added
Pensionmark Financial Group, LLC1,032,403$1.46M0.03%+2,850+0.3%Added
Stonepine Capital Management, LLC1,000,000$1.41M1.39%+500,000+100.0%Added
Swiss National Bank973,500$1.37M0.00%−22,000−2.2%Reduced
Marshall Wace, LLP944,790$1.33M0.00%−4,195,674−81.6%Reduced
Rhumbline Advisers873,893$1.23M0.00%+34,437+4.1%Added
Rafferty Asset Management, LLC828,509$1.17M0.00%−53,098−6.0%Reduced
Centiva Capital, LP800,001$1.13M0.07%00.0%Unchanged
Invesco Ltd.790,447$1.11M0.00%−2,828,160−78.2%Reduced
Patient Square Capital LP716,000$1.01M0.36%+716,000New
Ameriprise Financial Inc696,781$982.5K0.00%−54,925−7.3%Reduced
Gsa Capital Partners LLP679,331$958.0K0.07%+444,725+189.6%Added
Alliancebernstein L.P.625,291$881.7K0.00%00.0%Unchanged
Wells Fargo & Company581,942$820.5K0.00%−380,831−39.6%Reduced
Cantor Fitzgerald, L. P.576,436$812.8K0.02%+50,000+9.5%Added
Boothbay Fund Management, LLC572,002$806.5K0.03%+518,085+960.9%Added
MML Investors Services, LLC551,915$778.0K0.00%+800+0.1%Added
Legal & General Group Plc550,871$774.6K0.00%+42,345+8.3%Added
JPMorgan Chase & Co540,088$761.5K0.00%−711−0.1%Reduced
Lion Point Capital, LP500,000$705.0K4.79%00.0%Unchanged
Price T Rowe Associates Inc498,445$703.0K0.00%+65,038+15.0%Added
HRT Financial LP497,407$701.0K0.00%−911,867−64.7%Reduced
Summit X, LLC494,789$697.7K0.13%−53,110−9.7%Reduced
California State Teachers Retirement System479,503$676.1K0.00%−5,459−1.1%Reduced
ADAR1 Capital Management, LLC441,176$622.1K0.10%+175,000+65.7%Added
Schonfeld Strategic Advisors LLC437,795$617.3K0.00%+152,189+53.3%Added
Citigroup Inc398,775$562.3K0.00%−721,553−64.4%Reduced
Graham Capital Management, L.P.393,990$555.5K0.02%+17,230+4.6%Added
Mirae Asset Global ETFs Holdings Ltd.372,513$528.4K0.00%−20,021−5.1%Reduced
Hennion & Walsh Asset Management, Inc.371,035$523.2K0.02%−17,141−4.4%Reduced
MetLife Investment Management363,137$512.0K0.00%+57,829+18.9%Added
Creative Planning357,427$504.0K0.00%+250,752+235.1%Added
Intech Investment Management LLC354,715$500.1K0.00%−181,260−33.8%Reduced
Group One Trading, L.P.352,342$496.8K0.02%−91,522−20.6%Reduced
Private Advisor Group, LLC347,488$490.0K0.00%+8,891+2.6%Added
Alps Advisors Inc343,560$484.4K0.00%+343,560New
Nvest Financial, LLC322,125$454.2K0.24%+122,884+61.7%Added
Manufacturers Life Insurance Company, The316,622$446.4K0.00%+18,491+6.2%Added
Moody National Bank Trust Division299,819$422.7K0.04%+4,394+1.5%Added
Virtus Investment Advisers, Inc.284,868$401.7K0.14%+193,281+211.0%Added
CWM Advisors, LLC284,724$401.5K0.04%+63,789+28.9%Added
Wellington Management Group LLP249,489$351.8K0.00%−2,734,810−91.6%Reduced
Janus Henderson Group PLC239,357$336.3K0.00%−18,653,618−98.7%Reduced
State of Wisconsin Investment Board227,282$320.5K0.00%−96,781−29.9%Reduced
Royal Bank of Canada226,579$320.0K0.00%+224,750+12,288.1%Added
Russell Investments Group, Ltd.224,100$316.0K0.00%+5,054+2.3%Added
Raymond James Financial Inc214,771$302.8K0.00%+72,055+50.5%Added
AQR Capital Management LLC207,992$293.3K0.00%+160,674+339.6%Added
DnB Asset Management AS190,763$269.0K0.00%+54,182+39.7%Added
Cresset Asset Management, LLC177,304$250.0K0.00%+4,420+2.6%Added
Guggenheim Capital LLC176,450$248.8K0.00%−36,249−17.0%Reduced
Profund Advisors LLC175,931$248.1K0.01%−9,562−5.2%Reduced
New York State Common Retirement Fund171,453$241.7K0.00%00.0%Unchanged
Cambridge Investment Research Advisors, Inc.169,025$238.0K0.00%+5,035+3.1%Added
Voya Investment Management LLC166,862$235.3K0.00%+7,337+4.6%Added