Citadel Advisors’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
$32.1M Buy
21,576,569
+11,650,783
+117% +$17.7M 0.01% 1787
2025
Q4
$13.1M Sell
9,925,786
-5,779,282
-37% -$7.25M ﹤0.01% 2884
2025
Q3
$21.5M Buy
15,705,068
+3,669,167
+30% +$4.89M ﹤0.01% 2240
2025
Q2
$17M Buy
12,035,901
+5,372,587
+81% +$7.62M ﹤0.01% 2349
2025
Q1
$10.6M Buy
6,663,314
+2,479,169
+59% +$6.04M ﹤0.01% 2778
2024
Q4
$14.8M Sell
4,184,145
-500,187
-11% -$2M ﹤0.01% 2505
2024
Q3
$21.3M Buy
4,684,332
+2,417,429
+107% +$11M ﹤0.01% 1983
2024
Q2
$9.61M Buy
2,266,903
+1,280,794
+130% +$4.99M ﹤0.01% 2817
2024
Q1
$3.25M Buy
986,109
+342,945
+53% +$768K ﹤0.01% 4641
2023
Q4
$1.36M Buy
643,164
+251,455
+64% +$489K ﹤0.01% 6068
2023
Q3
$830K Sell
391,709
-2,262,062
-85% -$6.14M ﹤0.01% 6969
2023
Q2
$8.52M Sell
2,653,771
-4,235,032
-61% -$12M ﹤0.01% 2889
2023
Q1
$14.9M Buy
6,888,803
+6,569,096
+2,055% +$18.7M ﹤0.01% 2273
2022
Q4
$774K Sell
319,707
-862,123
-73% -$1.93M ﹤0.01% 7327
2022
Q3
$2.77M Buy
1,181,830
+1,079,033
+1,050% +$2.42M ﹤0.01% 4959
2022
Q2
$160K Sell
102,797
-269,162
-72% -$380K ﹤0.01% 10920
2022
Q1
$506K Buy
371,959
+35,568
+11% +$39.7K ﹤0.01% 9363
2021
Q4
$411K Buy
336,391
+155,643
+86% +$223K ﹤0.01% 10146
2021
Q3
$248K Sell
180,748
-32,788
-15% -$43.8K ﹤0.01% 11500
2021
Q2
$301K Buy
213,536
+126,733
+146% +$184K ﹤0.01% 11266
2021
Q1
$137K Buy
86,803
+62,682
+260% +$112K ﹤0.01% 12150
2020
Q4
$38K Sell
24,121
-181,428
-88% -$331K ﹤0.01% 10662
2020
Q3
$358K Sell
205,549
-34,779
-14% -$64.3K ﹤0.01% 7839
2020
Q2
$524K Sell
240,328
-57,964
-19% -$86.7K ﹤0.01% 6982
2020
Q1
$355K Buy
298,292
+38,438
+15% +$47.1K ﹤0.01% 7032
2019
Q4
$353K Buy
259,854
+180,248
+226% +$261K ﹤0.01% 7333
2019
Q3
$106K Sell
79,606
-60,382
-43% -$80.9K ﹤0.01% 8461
2019
Q2
$197K Sell
139,988
-56,005
-29% -$92.5K ﹤0.01% 8201
2019
Q1
$325K Buy
195,993
+9,484
+5% +$13K ﹤0.01% 7496
2018
Q4
$186K Sell
186,509
-1,132,205
-86% -$1.72M ﹤0.01% 7923
2018
Q3
$2.32M Buy
1,318,714
+1,093,063
+484% +$4.77M ﹤0.01% 4159
2018
Q2
$774K Buy
225,651
+175,968
+354% +$672K ﹤0.01% 5647
2018
Q1
$211K Sell
49,683
-393,338
-89% -$1.06M ﹤0.01% 7277
2017
Q4
$797K Sell
443,021
-110,916
-20% -$224K ﹤0.01% 4978
2017
Q3
$1.21M Buy
553,937
+535,472
+2,900% +$1.26M ﹤0.01% 4046
2017
Q2
$51K Sell
18,465
-277,305
-94% -$737K ﹤0.01% 7088
2017
Q1
$671K Buy
295,770
+177,914
+151% +$379K ﹤0.01% 4565
2016
Q4
$244K Sell
117,856
-178,052
-60% -$376K ﹤0.01% 5984
2016
Q3
$668K Buy
295,908
+111,796
+61% +$290K ﹤0.01% 4404
2016
Q2
$494K Buy
184,112
+150,938
+455% +$439K ﹤0.01% 4501
2016
Q1
$97K Buy
+33,174
New +$99.3K ﹤0.01% 6039
2015
Q4
Sell
-670,955
Closed -$2.69M 8875
2015
Q3
$1.85M Buy
670,955
+634,441
+1,738% +$2.3M ﹤0.01% 3046
2015
Q2
$156K Sell
36,514
-133,324
-79% -$528K ﹤0.01% 6620
2015
Q1
$640K Sell
169,838
-50,569
-23% -$172K ﹤0.01% 4547
2014
Q4
$717K Sell
220,407
-106,355
-33% -$294K ﹤0.01% 4212
2014
Q3
$654K Buy
326,762
+14,496
+5% +$35.7K ﹤0.01% 4267
2014
Q2
$948K Sell
312,266
-105,572
-25% -$220K ﹤0.01% 3563
2014
Q1
$822K Buy
417,838
+82,223
+24% +$328K ﹤0.01% 3675
2013
Q4
$1.5M Buy
335,615
+321,066
+2,207% +$1.38M ﹤0.01% 2817
2013
Q3
$46K Sell
14,549
-38,569
-73% -$63.2K ﹤0.01% 5836
2013
Q2
$75K Buy
+53,118
New +$57.7K ﹤0.01% 5416

Other funds holding GERN

Citadel Advisors's GERN Position: Q1 2026 in Review

Citadel Advisors increased its Geron (GERN) stake by 117% in Q1 2026, buying an estimated $17.7M and bringing the position to 21,576,569 shares worth $32.1M. The position accounts for 0.01% of the portfolio, ranked #1787.

Citadel Advisors first reported a position in GERN in Q2 2013 and has held it in 51 quarters since. 256 funds tracked by Wall St. Rank hold GERN as of Q1 2026.

  • Citadel Advisors held 21,576,569 shares of Geron worth $32.1M as of Q1 2026.
  • Citadel Advisors bought 11,650,783 Geron shares in Q1 2026, an estimated $17.7M.
  • Geron made up 0.01% of Citadel Advisors's portfolio in Q1 2026, its #1787 holding.
  • Citadel Advisors first reported a position in Geron in Q2 2013 and has held it in 51 quarters since.
  • 256 funds tracked by Wall St. Rank held Geron as of Q1 2026.

Based on Citadel Advisors's 13F filing for Q1 2026, filed 15 May 2026.