Simplex Trading
GERN icon

Simplex Trading’s Geron GERN Stock Holding History

Simplex Trading’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
Q1 		$47.8K Sell
32,100
-104,900
-77% -$159K ﹤0.01% 5930
2025
Q4 		$181K Sell
137,000
-76,300
-36% -$95.7K ﹤0.01% 4330
2025
Q3 		$292K Buy
213,300
+117,800
+123% +$157K ﹤0.01% 4495
2025
Q2 		$134K Sell
95,500
-33,400
-26% -$47.3K ﹤0.01% 4941
2025
Q1 		$204K Buy
128,900
+37,900
+42% +$92.3K ﹤0.01% 4300
2024
Q4 		$322K Sell
91,000
-202,400
-69% -$808K ﹤0.01% 3992
2024
Q3 		$1.33M Sell
293,400
-2,700
-0.9% -$12.3K ﹤0.01% 2645
2024
Q2 		$1.25M Sell
296,100
-605,400
-67% -$2.36M ﹤0.01% 2684
2024
Q1 		$2.97M Buy
901,500
+552,900
+159% +$1.24M ﹤0.01% 2038
2023
Q4 		$735K Buy
348,600
+165,700
+91% +$322K ﹤0.01% 3323
2023
Q3 		$387K Sell
182,900
-367,300
-67% -$997K ﹤0.01% 3666
2023
Q2 		$1.77M Buy
550,200
+450,600
+452% +$1.28M ﹤0.01% 2067
2023
Q1 		$216K Sell
99,600
-598,800
-86% -$1.7M ﹤0.01% 4230
2022
Q4 		$1.69M Buy
698,400
+184,000
+36% +$412K ﹤0.01% 1996
2022
Q3 		$1.2M Buy
514,400
+52,200
+11% +$117K ﹤0.01% 2439
2022
Q2 		$716K Buy
462,200
+234,300
+103% +$331K ﹤0.01% 3007
2022
Q1 		$309K Buy
227,900
+3,400
+2% +$3.79K ﹤0.01% 4511
2021
Q4 		$273K Buy
224,500
+122,700
+121% +$176K ﹤0.01% 4715
2021
Q3 		$149K Sell
101,800
-1,500
-1% -$2K ﹤0.01% 6038
2021
Q2 		$145K Buy
+103,300
New +$150K ﹤0.01% 6188
2021
Q1 		– Sell
-709
Closed -$112K – 9217
2020
Q4 		$112K Buy
709
+134
+23% +$244 ﹤0.01% 5331
2020
Q3 		$100K Sell
575
-561
-49% -$1.04K ﹤0.01% 4902
2020
Q2 		$247K Buy
1,136
+242
+27% +$362 ﹤0.01% 3761
2020
Q1 		$106K Sell
894
-297
-25% -$364 ﹤0.01% 4311
2019
Q4 		$161K Buy
1,191
+341
+40% +$493 ﹤0.01% 3990
2019
Q3 		$113K Sell
850
-293
-26% -$392 ﹤0.01% 4192
2019
Q2 		$161K Buy
1,143
+556
+95% +$918 ﹤0.01% 3684
2019
Q1 		$97K Sell
587
-94
-14% -$128 ﹤0.01% 4353
2018
Q4 		$68K Sell
681
-2,538
-79% -$3.85K ﹤0.01% 4231
2018
Q3 		$566K Buy
3,219
+1,867
+138% +$8.14K ﹤0.01% 2500
2018
Q2 		$463K Buy
1,352
+37
+3% +$141 ﹤0.01% 2532
2018
Q1 		$123K Buy
+1,315
New +$3.55K 0.01% 1633
2017
Q3 		– Sell
-67
Closed -$2K – 6133
2017
Q2 		$2K Sell
67
-594
-90% -$1.58K ﹤0.01% 5242
2017
Q1 		$12K Buy
661
+442
+202% +$942 ﹤0.01% 3794
2016
Q4 		$1K Sell
219
-119
-35% -$251 ﹤0.01% 5383
2016
Q3 		$1K Sell
338
-98
-22% -$254 ﹤0.01% 5319
2016
Q2 		$4K Sell
436
-155
-26% -$451 ﹤0.01% 4420
2016
Q1 		$14K Buy
591
+263
+80% +$788 ﹤0.01% 3138
2015
Q4 		$37K Buy
328
+145
+79% +$582 ﹤0.01% 2156
2015
Q3 		$3K Sell
183
-11
-6% -$40 ﹤0.01% 4350
2015
Q2 		$11K Sell
194
-67
-26% -$266 ﹤0.01% 2972
2015
Q1 		$18K Buy
261
+192
+278% +$652 ﹤0.01% 2416
2014
Q4 		$3K Buy
+69
New +$191 ﹤0.01% 3457

Other funds holding GERN

RCM
RA Capital Management Boston, Massachusetts $9.44B AUM 157.3% 1-Year Est. Return
BlackRock
BlackRock New York $5.72T AUM 30.48% 1-Year Est. Return
SCM
Soleus Capital Management Greenwich, Connecticut $2.47B AUM 115.63% 1-Year Est. Return
DTC
Deep Track Capital Greenwich, Connecticut $6.12B AUM 144% 1-Year Est. Return
State Street
State Street Boston, Massachusetts $2.9T AUM 29.55% 1-Year Est. Return
VCM
Vanguard Capital Management Malvern, Pennsylvania $4.04T AUM
Citadel Advisors
Citadel Advisors Miami, Florida $618B AUM 30.34% 1-Year Est. Return
Point72 Asset Management
Point72 Asset Management Stamford, Connecticut $78.1B AUM 55.25% 1-Year Est. Return
ClearBridge Investments
ClearBridge Investments New York $115B AUM 24.78% 1-Year Est. Return
EP
Eversept Partners New York $1.9B AUM 121.13% 1-Year Est. Return

Simplex Trading's GERN Position: Q1 2026 in Review

Simplex Trading increased its Geron (GERN) stake by 244% in Q1 2026, buying an estimated $128K and bringing the position to 119,000 shares worth $177K. The position accounts for ﹤0.01% of the portfolio, ranked #4433.

Simplex Trading first reported a position in GERN in Q4 2014 and has held it in 34 quarters since. The position peaked at $504K in Q4 2024. 256 funds tracked by Wall St. Rank hold GERN as of Q1 2026.

  • Simplex Trading held 119,000 shares of Geron worth $177K as of Q1 2026.
  • Simplex Trading bought 84,401 Geron shares in Q1 2026, an estimated $128K.
  • Geron made up ﹤0.01% of Simplex Trading's portfolio in Q1 2026, its #4433 holding.
  • Simplex Trading first reported a position in Geron in Q4 2014 and has held it in 34 quarters since.
  • Simplex Trading's Geron position peaked at $504K in Q4 2024.
  • 256 funds tracked by Wall St. Rank held Geron as of Q1 2026.

Based on Simplex Trading's 13F filing for Q1 2026, filed 14 May 2026.