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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
Wells Fargo & Company581,942$820.5K0.00%−380,831−39.6%Reduced
Alliancebernstein L.P.625,291$881.7K0.00%00.0%Unchanged
Gsa Capital Partners LLP679,331$958.0K0.07%+444,725+189.6%Added
Ameriprise Financial Inc696,781$982.5K0.00%−54,925−7.3%Reduced
Patient Square Capital LP716,000$1.01M0.36%+716,000New
Invesco Ltd.790,447$1.11M0.00%−2,828,160−78.2%Reduced
Centiva Capital, LP800,001$1.13M0.07%00.0%Unchanged
Rafferty Asset Management, LLC828,509$1.17M0.00%−53,098−6.0%Reduced
Rhumbline Advisers873,893$1.23M0.00%+34,437+4.1%Added
Marshall Wace, LLP944,790$1.33M0.00%−4,195,674−81.6%Reduced
Swiss National Bank973,500$1.37M0.00%−22,000−2.2%Reduced
Stonepine Capital Management, LLC1,000,000$1.41M1.39%+500,000+100.0%Added
Pensionmark Financial Group, LLC1,032,403$1.46M0.03%+2,850+0.3%Added
Prelude Capital Management, LLC1,085,427$1.53M0.15%+190,402+21.3%Added
Nan Fung Trinity (HK) Ltd1,373,550$1.94M0.23%+1,373,550New
Affinity Asset Advisors, LLC1,500,000$2.12M0.31%00.0%Unchanged
Balyasny Asset Management LLC1,554,849$2.19M0.00%−1,955,071−55.7%Reduced
Ikarian Capital, LLC1,600,000$2.26M0.75%+1,450,000+966.7%Added
Susquehanna International Group, LLP1,603,685$2.26M0.00%−268,815−14.4%Reduced
Bank of New York Mellon Corp1,634,410$2.30M0.00%−5,404−0.3%Reduced
Candriam Luxembourg S.C.A.1,895,892$2.67M0.02%−1180.0%Reduced
UBS Asset Management Americas Inc2,078,625$2.93M0.00%+706,609+51.5%Added
Nuveen, LLC2,114,479$2.98M0.00%−736,290−25.8%Reduced
Barclays PLC2,152,825$3.04M0.00%+997,902+86.4%Added
Edmond de Rothschild Holding S.A.2,330,000$3.29M0.05%+200,000+9.4%Added
683 Capital Management, LLC3,100,000$4.37M0.44%+250,000+8.8%Added
Ally Bridge Group (NY) LLC3,251,475$4.58M3.81%+1,194,838+58.1%Added
Exome Asset Management LLC3,414,377$4.81M3.97%+198,920+6.2%Added
Kynam Capital Management, LP3,456,318$4.87M0.52%−203,208−5.6%Reduced
Squarepoint Ops LLC3,599,221$5.07M0.01%+2,199,413+157.1%Added
Deutsche Bank AG3,718,003$5.24M0.00%−76,562−2.0%Reduced
Algert Global LLC4,448,600$6.27M0.13%+1,187,666+36.4%Added
Charles Schwab Investment Management Inc4,689,314$6.61M0.00%+238,283+5.4%Added
FMR LLC4,837,625$6.82M0.00%−7,527,719−60.9%Reduced
Qube Research & Technologies Ltd4,981,598$7.02M0.01%+186,043+3.9%Added
Renaissance Technologies LLC4,999,100$7.05M0.01%−602,000−10.7%Reduced
Northern Trust Corp5,254,214$7.41M0.00%−2,749−0.1%Reduced
Millennium Management LLC6,047,354$8.53M0.01%−4,759,271−44.0%Reduced
Bank of America Corp6,389,739$9.01M0.00%−3,302,620−34.1%Reduced
StemPoint Capital LP6,649,244$9.38M3.02%+5,688,937+592.4%Added
Standard Life Aberdeen plc6,985,932$9.85M0.02%+3,293,179+89.2%Added
Segall Bryant & Hamill, LLC7,192,184$10.1M0.14%−234,670−3.2%Reduced
Eversept Partners, LP7,320,174$10.3M1.04%+7,320,174New
Woodline Partners LP7,998,188$11.3M0.06%+269,443+3.5%Added
Point72 Asset Management, L.P.9,606,217$13.5M0.03%+2,479,399+34.8%Added
Goldman Sachs Group Inc9,815,660$13.8M0.00%+1,679,460+20.6%Added
UBS Group AG11,745,012$16.6M0.00%+6,533,579+125.4%Added
Citadel Advisors LLC12,035,901$17.0M0.01%+5,372,587+80.6%Added
Morgan Stanley13,295,442$18.7M0.00%+1,761,204+15.3%Added
Geode Capital Management, LLC14,152,038$20.0M0.00%+584,444+4.3%Added
Clearbridge Investments, LLC14,376,311$20.3M0.02%+5,689,169+65.5%Added
Soleus Capital Management, L.P.16,140,000$22.8M1.57%+13,740,000+572.5%Added
State Street Corp23,631,876$33.3M0.00%−279,916−1.2%Reduced
Vestal Point Capital, LP23,775,000$33.5M1.76%+1,769,660+8.0%Added
Vivo Capital, LLC27,225,292$38.4M3.93%00.0%Unchanged
Vanguard Group Inc35,614,200$50.2M0.00%+1,467,349+4.3%Added
Deep Track Capital, LP43,000,000$60.6M1.95%+4,823,749+12.6%Added
BlackRock, Inc.50,023,485$70.5M0.00%+948,176+1.9%Added
Ra Capital Management, L.P.60,379,366$85.1M1.43%00.0%Unchanged
Logos Global Management LP0$00.00%−8,000,000−100.0%Sold out
Eventide Asset Management, LLC0$00.00%−7,072,000−100.0%Sold out
Nan Fung Group Holdings Ltd0$00.00%−1,373,550−100.0%Sold out
Healthcare of Ontario Pension Plan Trust Fund0$00.00%−822,700−100.0%Sold out
Rhenman & Partners Asset Management AB0$00.00%−783,000−100.0%Sold out
First Trust Advisors LP0$00.00%−348,592−100.0%Sold out
Corebridge Financial, Inc.0$00.00%−289,745−100.0%Sold out
Point72 (DIFC) Ltd0$00.00%−259,053−100.0%Sold out
Dark Forest Capital Management LP0$00.00%−195,682−100.0%Sold out
Handelsbanken Fonder AB0$00.00%−169,900−100.0%Sold out
SG Americas Securities, LLC0$00.00%−168,042−100.0%Sold out
Man Group plc0$00.00%−106,635−100.0%Sold out
Syon Capital LLC0$00.00%−103,521−100.0%Sold out
Verition Fund Management LLC0$00.00%−102,064−100.0%Sold out
Quantbot Technologies LP0$00.00%−81,642−100.0%Sold out
Soltis Investment Advisors LLC0$00.00%−75,000−100.0%Sold out
Exchange Traded Concepts, LLC0$00.00%−73,211−100.0%Sold out
Franklin Resources Inc0$00.00%−67,558−100.0%Sold out
Kazazian Asset Management, LLC0$00.00%−47,500−100.0%Sold out
Kestra Advisory Services, LLC0$00.00%−42,435−100.0%Sold out
SIH Partners, LLLP0$00.00%−39,868−100.0%Sold out
NorthCrest Asset Manangement, LLC0$00.00%−31,535−100.0%Sold out
Quantinno Capital Management LP0$00.00%−29,515−100.0%Sold out
SummitTX Capital, L.P.0$00.00%−28,525−100.0%Sold out
KBC Group NV0$00.00%−24,414−100.0%Sold out
Buckingham Strategic Partners0$00.00%−24,370−100.0%Sold out
Atom Investors LP0$00.00%−14,708−100.0%Sold out
Jain Global LLC0$00.00%−14,050−100.0%Sold out
Integrated Wealth Concepts LLC0$00.00%−10,349−100.0%Sold out
Skopos Labs, Inc.0$00.00%−9,644−100.0%Sold out
Aster Capital Management (DIFC) Ltd0$00.00%−2,456−100.0%Sold out
Quadrant Capital Group LLC0$00.00%−2,657−100.0%Sold out
Massmutual Trust Co FSB0$00.00%−2,064−100.0%Sold out
Red Tortoise LLC0$00.00%−1,103−100.0%Sold out
Compass Wealth Management LLC0$00.00%−700−100.0%Sold out
Amundi0$00.00%−559−100.0%Sold out
Stephens Consulting, LLC0$00.00%−230−100.0%Sold out
Centricity Wealth Management, LLC0$00.00%−49−100.0%Sold out
WPG Advisers, LLC0$00.00%−42−100.0%Sold out
GWM Advisors LLC0$00.00%−1−100.0%Sold out
Kodai Capital Management LP––––Not filed