Citigroup’s Repligen RGEN Stock Holding History

Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake
Trade Value Portfolio Weight Portfolio Position
2026
Q1
$4.28M Sell
36,356
-47,396
-57% -$6.62M ﹤0.01% 2086
2025
Q4
$13.7M Buy
83,752
+32,183
+62% +$5.04M 0.01% 1322
2025
Q3
$6.89M Sell
51,569
-35,551
-41% -$4.32M ﹤0.01% 1764
2025
Q2
$10.8M Buy
87,120
+29,818
+52% +$3.79M 0.01% 1324
2025
Q1
$7.29M Sell
57,302
-26,824
-32% -$4.13M ﹤0.01% 1604
2024
Q4
$12.1M Sell
84,126
-9,272
-10% -$1.33M 0.01% 1249
2024
Q3
$13.9M Buy
93,398
+1,054
+1% +$151K 0.01% 1159
2024
Q2
$11.6M Buy
92,344
+61,805
+202% +$9.69M 0.01% 1170
2024
Q1
$5.62M Sell
30,539
-9,653
-24% -$1.84M ﹤0.01% 1627
2023
Q4
$7.23M Buy
40,192
+3,887
+11% +$605K 0.01% 1378
2023
Q3
$5.77M Sell
36,305
-9,281
-20% -$1.52M ﹤0.01% 1358
2023
Q2
$6.45M Buy
45,586
+2,575
+6% +$413K ﹤0.01% 1349
2023
Q1
$7.24M Buy
43,011
+1,051
+3% +$188K 0.01% 1304
2022
Q4
$7.1M Sell
41,960
-3,012
-7% -$546K 0.01% 1304
2022
Q3
$8.41M Buy
44,972
+15,966
+55% +$3.37M 0.01% 1233
2022
Q2
$4.71M Sell
29,006
-6,414
-18% -$1.01M ﹤0.01% 1576
2022
Q1
$6.66M Buy
35,420
+21,880
+162% +$4.16M ﹤0.01% 1514
2021
Q4
$3.59M Sell
13,540
-1,976
-13% -$532K ﹤0.01% 2118
2021
Q3
$4.48M Sell
15,516
-3,855
-20% -$989K ﹤0.01% 1901
2021
Q2
$3.87M Buy
19,371
+10,764
+125% +$2.09M ﹤0.01% 2138
2021
Q1
$1.67M Sell
8,607
-14,587
-63% -$2.99M ﹤0.01% 2610
2020
Q4
$4.44M Buy
23,194
+3,722
+19% +$677K ﹤0.01% 2175
2020
Q3
$2.87M Sell
19,472
-67,652
-78% -$9.67M ﹤0.01% 2331
2020
Q2
$10.8M Buy
87,124
+65,055
+295% +$7.65M 0.01% 1242
2020
Q1
$2.13M Buy
22,069
+1,857
+9% +$179K ﹤0.01% 2412
2019
Q4
$1.87M Sell
20,212
-37,201
-65% -$3.13M ﹤0.01% 3061
2019
Q3
$4.4M Buy
57,413
+41,193
+254% +$3.6M ﹤0.01% 2062
2019
Q2
$1.39M Sell
16,220
-12,223
-43% -$833K ﹤0.01% 3240
2019
Q1
$1.68M Sell
28,443
-52,120
-65% -$3M ﹤0.01% 2848
2018
Q4
$4.25M Buy
80,563
+68,199
+552% +$4M ﹤0.01% 1954
2018
Q3
$686K Buy
12,364
+8,802
+247% +$454K ﹤0.01% 3899
2018
Q2
$168K Sell
3,562
-221
-6% -$9.1K ﹤0.01% 5237
2018
Q1
$137K Sell
3,783
-56,043
-94% -$1.97M ﹤0.01% 5324
2017
Q4
$2.17M Buy
59,826
+11,453
+24% +$415K ﹤0.01% 2593
2017
Q3
$1.85M Sell
48,373
-4,668
-9% -$196K ﹤0.01% 2730
2017
Q2
$2.2M Buy
53,041
+11,409
+27% +$434K ﹤0.01% 2493
2017
Q1
$1.47M Sell
41,632
-58,403
-58% -$1.85M ﹤0.01% 2795
2016
Q4
$3.08M Buy
100,035
+70,132
+235% +$2.17M ﹤0.01% 2408
2016
Q3
$903K Buy
29,903
+16,286
+120% +$491K ﹤0.01% 3327
2016
Q2
$373K Sell
13,617
-9,119
-40% -$233K ﹤0.01% 3940
2016
Q1
$610K Buy
22,736
+20,079
+756% +$491K ﹤0.01% 3910
2015
Q4
$75K Buy
2,657
+1,850
+229% +$53.4K ﹤0.01% 5613
2015
Q3
$22K Buy
807
+349
+76% +$12.6K ﹤0.01% 5974
2015
Q2
$19K Sell
458
-490
-52% -$18K ﹤0.01% 6136
2015
Q1
$29K Sell
948
-4,902
-84% -$127K ﹤0.01% 5865
2014
Q4
$117K Buy
5,850
+4,735
+425% +$106K ﹤0.01% 5118
2014
Q3
$22K Sell
1,115
-2,098
-65% -$44.2K ﹤0.01% 5852
2014
Q2
$74K Sell
3,213
-4,279
-57% -$76.2K ﹤0.01% 4884
2014
Q1
$96K Sell
7,492
-6,193
-45% -$88.8K ﹤0.01% 5031
2013
Q4
$187K Buy
13,685
+7,547
+123% +$90.1K ﹤0.01% 4719
2013
Q3
$68K Buy
6,138
+4,797
+358% +$47.7K ﹤0.01% 5040
2013
Q2
$11K Buy
+1,341
New +$11.3K ﹤0.01% 6066

Other funds holding RGEN

Citigroup's RGEN Position: Q1 2026 in Review

Citigroup reduced its Repligen (RGEN) stake by 57% in Q1 2026, selling an estimated $6.62M and leaving 36,356 shares worth $4.28M. The position accounts for ﹤0.01% of the portfolio, ranked #2086.

Citigroup first reported a position in RGEN in Q2 2013 and has held it in 52 quarters since. The position peaked at $13.9M in Q3 2024. 441 funds tracked by Wall St. Rank hold RGEN as of Q1 2026.

  • Citigroup held 36,356 shares of Repligen worth $4.28M as of Q1 2026.
  • Citigroup sold 47,396 Repligen shares in Q1 2026, an estimated $6.62M.
  • Repligen made up ﹤0.01% of Citigroup's portfolio in Q1 2026, its #2086 holding.
  • Citigroup first reported a position in Repligen in Q2 2013 and has held it in 52 quarters since.
  • Citigroup's Repligen position peaked at $13.9M in Q3 2024.
  • 441 funds tracked by Wall St. Rank held Repligen as of Q1 2026.

Based on Citigroup's 13F filing for Q1 2026, filed 11 May 2026.