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 		$531K Buy
356,600
+36,500
+11% +$55.5K ﹤0.01% 3183
2025
Q4 		$423K Buy
320,100
+309,300
+2,864% +$388K ﹤0.01% 3469
2025
Q3 		$14K Sell
10,800
-1,800
-14% -$2.4K ﹤0.01% 7638
2025
Q2 		$17K Sell
12,600
-20,200
-62% -$28.6K ﹤0.01% 6901
2025
Q1 		$52K Sell
32,800
-108,200
-77% -$263K ﹤0.01% 5723
2024
Q4 		$499K Sell
141,000
-15,600
-10% -$62.3K ﹤0.01% 3540
2024
Q3 		$710K Sell
156,600
-125,300
-44% -$570K ﹤0.01% 3241
2024
Q2 		$1.2M Buy
281,900
+68,600
+32% +$267K ﹤0.01% 2738
2024
Q1 		$703K Buy
213,300
+116,200
+120% +$260K ﹤0.01% 3489
2023
Q4 		$204K Sell
97,100
-28,200
-23% -$54.8K ﹤0.01% 4666
2023
Q3 		$265K Sell
125,300
-33,800
-21% -$91.7K ﹤0.01% 4060
2023
Q2 		$510K Buy
159,100
+15,100
+10% +$43K ﹤0.01% 3299
2023
Q1 		$312K Sell
144,000
-17,700
-11% -$50.3K ﹤0.01% 3800
2022
Q4 		$391K Buy
161,700
+101,100
+167% +$226K ﹤0.01% 3437
2022
Q3 		$141K Buy
60,600
+40,200
+197% +$90K ﹤0.01% 5055
2022
Q2 		$31K Sell
20,400
-200
-1% -$283 ﹤0.01% 7104
2022
Q1 		$28K Sell
20,600
-11,000
-35% -$12.3K ﹤0.01% 7842
2021
Q4 		$38K Sell
31,600
-69,800
-69% -$100K ﹤0.01% 7596
2021
Q3 		$149K Buy
101,400
+100
+0.1% +$133 ﹤0.01% 6039
2021
Q2 		$142K Buy
+101,300
New +$147K ﹤0.01% 6218
2021
Q1 		– Sell
-722
Closed -$114K – 9219
2020
Q4 		$114K Buy
722
+11
+2% +$20 ﹤0.01% 5314
2020
Q3 		$123K Sell
711
-38
-5% -$70 ﹤0.01% 4666
2020
Q2 		$163K Buy
749
+514
+219% +$768 ﹤0.01% 4230
2020
Q1 		$27K Buy
235
+10
+4% +$12 ﹤0.01% 5702
2019
Q4 		$30K Buy
225
+109
+94% +$158 ﹤0.01% 5652
2019
Q3 		$15K Sell
116
-25
-18% -$33 ﹤0.01% 6004
2019
Q2 		$19K Buy
141
+42
+42% +$69 ﹤0.01% 5635
2019
Q1 		$16K Buy
99
+64
+183% +$87 ﹤0.01% 5847
2018
Q4 		$3K Sell
35
-2,001
-98% -$3.04K ﹤0.01% 6415
2018
Q3 		$358K Buy
2,036
+1,783
+705% +$7.77K ﹤0.01% 2963
2018
Q2 		$86K Buy
253
+102
+68% +$389 ﹤0.01% 4460
2018
Q1 		$30K Buy
151
+73
+94% +$197 ﹤0.01% 2941
2017
Q4 		$5K Buy
78
+25
+47% +$50 ﹤0.01% 4493
2017
Q3 		$4K Sell
53
-311
-85% -$734 ﹤0.01% 4552
2017
Q2 		$19K Sell
364
-334
-48% -$887 ﹤0.01% 3333
2017
Q1 		$21K Buy
698
+433
+163% +$923 ﹤0.01% 3189
2016
Q4 		$64K Buy
265
+4
+2% +$8 ﹤0.01% 1916
2016
Q3 		$63K Buy
261
+14
+6% +$36 ﹤0.01% 1910
2016
Q2 		$53K Sell
247
-10
-4% -$29 ﹤0.01% 1997
2016
Q1 		$50K Buy
+257
New +$770 ﹤0.01% 1956
2015
Q4 		– Sell
-15
Closed -$2K – 5629
2015
Q3 		$2K Buy
+15
New +$54 ﹤0.01% 4630
2015
Q2 		– Sell
-11
Closed -$1K – 5396
2015
Q1 		$1K Sell
11
-84
-88% -$285 ﹤0.01% 4471
2014
Q4 		$20K Buy
+95
New +$263 ﹤0.01% 2049

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.