Jane Street’s Geron GERN Stock Holding History

Jane Street’s Portfolio GERN Stock Details GERN Fund Activity

Bought

Maintained

Sold

Quarter	Market Value	Status	Shares	Change in Stake	Trade Value	Portfolio Weight	Portfolio Position
2026 Q2	–	Sell	-771,971	Closed	-$1.09M	–	12115
2026 Q1	$1.15M	Sell	771,971 -241,032	-24%	-$366K	﹤0.01%	6212
2025 Q4	$1.34M	Sell	1,013,003 -1,109,335	-52%	-$1.39M	﹤0.01%	5553
2025 Q3	$2.91M	Buy	2,122,338 +2,097,084	+8,304%	+$2.79M	﹤0.01%	4278
2025 Q2	$35.6K	Sell	25,254 -576,833	-96%	-$818K	﹤0.01%	9259
2025 Q1	$957K	Buy	602,087 +202,653	+51%	+$494K	﹤0.01%	5645
2024 Q4	$1.41M	Sell	399,434 -551,232	-58%	-$2.2M	﹤0.01%	4755
2024 Q3	$4.32M	Sell	950,666 -533,214	-36%	-$2.42M	﹤0.01%	3097
2024 Q2	$6.29M	Buy	1,483,880 +995,375	+204%	+$3.88M	﹤0.01%	2640
2024 Q1	$1.61M	Sell	488,505 -124,910	-20%	-$280K	﹤0.01%	4515
2023 Q4	$1.29M	Buy	613,415 +425,063	+226%	+$827K	﹤0.01%	5109
2023 Q3	$399K	Sell	188,352 -384,355	-67%	-$1.04M	﹤0.01%	6618
2023 Q2	$1.84M	Buy	572,707 +291,481	+104%	+$829K	﹤0.01%	4292
2023 Q1	$610K	Buy	281,226 +249,616	+790%	+$709K	﹤0.01%	5982
2022 Q4	$76.5K	Sell	31,610 -15,028	-32%	-$33.7K	﹤0.01%	8227
2022 Q3	$109K	Sell	46,638 -27,862	-37%	-$62.4K	﹤0.01%	8604
2022 Q2	$115K	Buy	+74,500	New	+$105K	﹤0.01%	8554
2022 Q1	–	Sell	-136,564	Closed	-$166K	–	10544
2021 Q4	$166K	Buy	136,564 +98,833	+262%	+$142K	﹤0.01%	8946
2021 Q3	$52K	Sell	37,731 -75,223	-67%	-$100K	﹤0.01%	9535
2021 Q2	$159K	Buy	112,954 +77,480	+218%	+$113K	﹤0.01%	9002
2021 Q1	$57K	Buy	35,474 +6,673	+23%	+$11.9K	﹤0.01%	8810
2020 Q4	$46K	Sell	28,801 -104,887	-78%	-$191K	﹤0.01%	7325
2020 Q3	$233K	Buy	133,688 +112,015	+517%	+$207K	﹤0.01%	6237
2020 Q2	$47K	Buy	+21,673	New	+$32.4K	﹤0.01%	6876
2019 Q3	–	Sell	-50,387	Closed	-$71K	–	5310
2019 Q2	$71K	Buy	+50,387	New	+$83.2K	﹤0.01%	4912
2019 Q1	–	Sell	-153,033	Closed	-$153K	–	5223
2018 Q4	$153K	Buy	153,033 +33,208	+28%	+$50.4K	﹤0.01%	4561
2018 Q3	$211K	Buy	119,825 +104,662	+690%	+$456K	﹤0.01%	4622
2018 Q2	$52K	Sell	15,163 -31,944	-68%	-$122K	﹤0.01%	4811
2018 Q1	$200K	Buy	+47,107	New	+$127K	﹤0.01%	4455
2017 Q4	–	Sell	-10,072	Closed	-$22K	–	4782
2017 Q3	$22K	Sell	10,072 -230	-2%	-$543	﹤0.01%	4353
2017 Q2	$29K	Buy	+10,302	New	+$27.4K	﹤0.01%	4247
2016 Q4	–	Sell	-46,016	Closed	-$104K	–	4211
2016 Q3	$104K	Buy	+46,016	New	+$119K	﹤0.01%	3841
2016 Q1	–	Sell	-23,011	Closed	-$111K	–	4271
2015 Q4	$111K	Buy	+23,011	New	+$92.4K	﹤0.01%	3772
2015 Q2	–	Sell	-12,541	Closed	-$47K	–	3775
2015 Q1	$47K	Buy	12,541 +1,302	+12%	+$4.42K	﹤0.01%	3040
2014 Q4	$37K	Sell	11,239 -11,561	-51%	-$32K	﹤0.01%	2395
2014 Q3	$46K	Sell	22,800 -85,309	-79%	-$210K	﹤0.01%	2426
2014 Q2	$328K	Buy	+108,109	New	+$226K	﹤0.01%	1769
2013 Q4	–	Sell	-71,079	Closed	-$225K	–	2544
2013 Q3	$225K	Buy	+71,079	New	+$116K	﹤0.01%	2322

Other funds holding GERN

BlackRock New York $6.73T AUM 46.02% 1-Year Est. Return

RCM

RA Capital Management Boston, Massachusetts $11.5B AUM 168.77% 1-Year Est. Return

SCM

Soleus Capital Management Greenwich, Connecticut $2.9B AUM 169.69% 1-Year Est. Return

State Street Boston, Massachusetts $3.37T AUM 44.26% 1-Year Est. Return

Citadel Advisors Miami, Florida $875B AUM 40.91% 1-Year Est. Return

Vanguard Capital Management Malvern, Pennsylvania $4.68T AUM

ClearBridge Investments New York $121B AUM 27.52% 1-Year Est. Return

Eversept Partners New York $1.93B AUM 160.8% 1-Year Est. Return

Goldman Sachs New York $1.15T AUM 47.82% 1-Year Est. Return

Geode Capital Management Boston, Massachusetts $1.88T AUM 44.46% 1-Year Est. Return

Jane Street's GERN Position: Q2 2026 in Review

Jane Street sold out of Geron (GERN) in Q2 2026, closing a stake of 771,971 shares — an estimated $1.09M sold.

Jane Street first reported a position in GERN in Q3 2013 and held it in 37 quarters. The position peaked at $6.29M in Q2 2024. 259 funds tracked by Wall St. Rank hold GERN as of Q2 2026.

Jane Street reported no remaining Geron position as of Q2 2026 after selling out during the quarter.
Jane Street sold 771,971 Geron shares in Q2 2026, an estimated $1.09M.
Jane Street first reported a position in Geron in Q3 2013 and held it in 37 quarters.
Jane Street's Geron position peaked at $6.29M in Q2 2024.
259 funds tracked by Wall St. Rank held Geron as of Q2 2026.

Based on Jane Street's 13F filing for Q2 2026, filed 14 Aug 2026.