State of Wisconsin Investment Board’s Geron GERN Stock Holding History

Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake
Trade Value Portfolio Weight Portfolio Position
2026
Q1
$303K Buy
203,526
+1,006
+0.5% +$1.53K ﹤0.01% 2211
2025
Q4
$267K Sell
202,520
-16,878
-8% -$21.2K ﹤0.01% 2201
2025
Q3
$301K Sell
219,398
-7,884
-3% -$10.5K ﹤0.01% 2104
2025
Q2
$320K Sell
227,282
-96,781
-30% -$137K ﹤0.01% 2041
2025
Q1
$515K Sell
324,063
-268,150
-45% -$653K ﹤0.01% 1750
2024
Q4
$2.1M Buy
592,213
+273,687
+86% +$1.09M 0.01% 1270
2024
Q3
$1.45M Sell
318,526
-44,631
-12% -$203K ﹤0.01% 1442
2024
Q2
$1.54M Buy
363,157
+31,349
+9% +$122K ﹤0.01% 1407
2024
Q1
$1.09M Sell
331,808
-40,835
-11% -$91.5K ﹤0.01% 1407
2023
Q4
$786K Sell
372,643
-18,600
-5% -$36.2K ﹤0.01% 1465
2023
Q3
$829K Sell
391,243
-141,356
-27% -$384K ﹤0.01% 1464
2023
Q2
$1.71M Buy
532,599
+189,842
+55% +$540K ﹤0.01% 1340
2023
Q1
$744K Buy
342,757
+22,534
+7% +$64K ﹤0.01% 1638
2022
Q4
$775K Sell
320,223
-20,925
-6% -$46.9K ﹤0.01% 1652
2022
Q3
$798K Sell
341,148
-18,129
-5% -$40.6K ﹤0.01% 1668
2022
Q2
$557K Buy
+359,277
New +$508K ﹤0.01% 2023
2021
Q2
Sell
-404,900
Closed -$640K 2101
2021
Q1
$640K Hold
404,900
﹤0.01% 1497
2020
Q4
$644K Buy
404,900
+118,900
+42% +$217K ﹤0.01% 1451
2020
Q3
$498K Hold
286,000
﹤0.01% 1476
2020
Q2
$623K Hold
286,000
﹤0.01% 1360
2020
Q1
$340K Buy
286,000
+26,600
+10% +$32.6K ﹤0.01% 1451
2019
Q4
$353K Hold
259,400
﹤0.01% 1519
2019
Q3
$345K Buy
259,400
+28,800
+12% +$38.6K ﹤0.01% 1424
2019
Q2
$325K Buy
230,600
+5,100
+2% +$8.42K ﹤0.01% 1428
2019
Q1
$374K Buy
225,500
+51,500
+30% +$70.4K ﹤0.01% 1401
2018
Q4
$174K Buy
174,000
+8,100
+5% +$12.3K ﹤0.01% 1462
2018
Q3
$292K Buy
165,900
+55,900
+51% +$244K ﹤0.01% 1471
2018
Q2
$377K Hold
110,000
﹤0.01% 1390
2018
Q1
$467K Hold
110,000
﹤0.01% 1316
2017
Q4
$198K Hold
110,000
﹤0.01% 1388
2017
Q3
$240K Hold
110,000
﹤0.01% 1385
2017
Q2
$305K Buy
+110,000
New +$292K ﹤0.01% 1366

Other funds holding GERN

State of Wisconsin Investment Board's GERN Position: Q1 2026 in Review

State of Wisconsin Investment Board increased its Geron (GERN) stake by 0.5% in Q1 2026, buying an estimated $1.53K and bringing the position to 203,526 shares worth $303K. The position accounts for ﹤0.01% of the portfolio, ranked #2211.

State of Wisconsin Investment Board first reported a position in GERN in Q2 2017 and has held it in 32 quarters since. The position peaked at $2.1M in Q4 2024. 256 funds tracked by Wall St. Rank hold GERN as of Q1 2026.

  • State of Wisconsin Investment Board held 203,526 shares of Geron worth $303K as of Q1 2026.
  • State of Wisconsin Investment Board bought 1,006 Geron shares in Q1 2026, an estimated $1.53K.
  • Geron made up ﹤0.01% of State of Wisconsin Investment Board's portfolio in Q1 2026, its #2211 holding.
  • State of Wisconsin Investment Board first reported a position in Geron in Q2 2017 and has held it in 32 quarters since.
  • State of Wisconsin Investment Board's Geron position peaked at $2.1M in Q4 2024.
  • 256 funds tracked by Wall St. Rank held Geron as of Q1 2026.

Based on State of Wisconsin Investment Board's 13F filing for Q1 2026, filed 15 May 2026.