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Tower Research Capital (TRC)’s Repligen RGEN Stock Holding History

Tower Research Capital (TRC)’s Portfolio RGEN Stock Details RGEN Fund Activity
Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake 		Trade Value Portfolio Weight Portfolio Position
2026
Q1 		$456K Buy
3,871
+1,797
+87% +$251K 0.01% 971
2025
Q4 		$340K Buy
2,074
+622
+43% +$97.4K 0.01% 1068
2025
Q3 		$194K Buy
1,452
+4
+0.3% +$486 0.01% 1482
2025
Q2 		$180K Buy
1,448
+179
+14% +$22.8K ﹤0.01% 1877
2025
Q1 		$161K Sell
1,269
-5,449
-81% -$839K ﹤0.01% 1499
2024
Q4 		$967K Buy
6,718
+3,167
+89% +$454K 0.02% 647
2024
Q3 		$528K Sell
3,551
-433
-11% -$62.1K 0.01% 831
2024
Q2 		$502K Buy
3,984
+1,416
+55% +$222K 0.01% 1337
2024
Q1 		$472K Sell
2,568
-3,315
-56% -$631K 0.01% 900
2023
Q4 		$1.06M Sell
5,883
-3,675
-38% -$572K 0.01% 817
2023
Q3 		$1.52M Buy
9,558
+1,923
+25% +$314K 0.05% 390
2023
Q2 		$1.08M Buy
7,635
+3,255
+74% +$522K 0.04% 468
2023
Q1 		$737K Buy
4,380
+1,959
+81% +$350K 0.02% 610
2022
Q4 		$410K Buy
2,421
+611
+34% +$111K 0.02% 817
2022
Q3 		$339K Sell
1,810
-4,126
-70% -$870K 0.01% 1448
2022
Q2 		$964K Buy
5,936
+581
+11% +$91.9K 0.02% 714
2022
Q1 		$1.01M Buy
5,355
+648
+14% +$123K 0.01% 782
2021
Q4 		$1.25M Buy
4,707
+1,992
+73% +$537K 0.02% 587
2021
Q3 		$785K Sell
2,715
-2,234
-45% -$573K 0.02% 681
2021
Q2 		$988K Buy
4,949
+1,270
+35% +$246K 0.03% 666
2021
Q1 		$715K Sell
3,679
-14,470
-80% -$2.97M 0.01% 956
2020
Q4 		$3.48M Sell
18,149
-258
-1% -$46.9K 0.11% 120
2020
Q3 		$2.72M Sell
18,407
-2,918
-14% -$417K 0.03% 237
2020
Q2 		$2.64M Buy
21,325
+21,168
+13,483% +$2.49M 0.11% 157
2020
Q1 		$15K Sell
157
-2,465
-94% -$238K ﹤0.01% 1845
2019
Q4 		$243K Buy
2,622
+906
+53% +$76.1K 0.02% 514
2019
Q3 		$131K Buy
1,716
+1,449
+543% +$127K 0.01% 1196
2019
Q2 		$23K Buy
267
+28
+12% +$1.91K ﹤0.01% 2093
2019
Q1 		$14K Buy
+239
New +$13.7K ﹤0.01% 2485
2017
Q4 		– Sell
-2,296
Closed -$88K – 3924
2017
Q3 		$88K Buy
2,296
+2,107
+1,115% +$88.3K 0.01% 1482
2017
Q2 		$8K Buy
+189
New +$7.18K ﹤0.01% 1737
2017
Q1 		– Sell
-1,840
Closed -$57K – 3768
2016
Q4 		$57K Buy
+1,840
New +$56.9K 0.01% 1344
2016
Q1 		– Sell
-1,125
Closed -$32K – 4786
2015
Q4 		$32K Sell
1,125
-4,942
-81% -$143K 0.01% 828
2015
Q3 		$169K Buy
6,067
+4,528
+294% +$164K 0.02% 332
2015
Q2 		$64K Sell
1,539
-983
-39% -$36K 0.01% 1176
2015
Q1 		$77K Buy
+2,522
New +$65.4K 0.01% 1117
2014
Q4 		– Sell
-99
Closed -$2K – 4574
2014
Q3 		$2K Sell
99
-902
-90% -$19K ﹤0.01% 3854
2014
Q2 		$23K Buy
1,001
+541
+118% +$9.63K ﹤0.01% 1766
2014
Q1 		$6K Sell
460
-568
-55% -$8.14K ﹤0.01% 3120
2013
Q4 		$14K Sell
1,028
-3,247
-76% -$38.8K ﹤0.01% 2680
2013
Q3 		$47K Buy
+4,275
New +$42.5K 0.01% 1964

Other funds holding RGEN

BlackRock
BlackRock New York $5.72T AUM 30.48% 1-Year Est. Return
T. Rowe Price Associates
T. Rowe Price Associates Baltimore, Maryland $865B AUM 30.76% 1-Year Est. Return
Fidelity Investments
Fidelity Investments Boston, Massachusetts $1.9T AUM 41.92% 1-Year Est. Return
UCFA
United Capital Financial Advisors Irving, Texas $16.3B AUM 16.34% 1-Year Est. Return
VCM
Vanguard Capital Management Malvern, Pennsylvania $4.04T AUM
VPM
Vanguard Portfolio Management Malvern, Pennsylvania $1.91T AUM
State Street
State Street Boston, Massachusetts $2.9T AUM 29.55% 1-Year Est. Return
Bank of New York Mellon
Bank of New York Mellon New York $544B AUM 28.31% 1-Year Est. Return
MC
Maverick Capital Dallas, Texas $8.67B AUM 48.76% 1-Year Est. Return
Massachusetts Financial Services
Massachusetts Financial Services Boston, Massachusetts $298B AUM 21.96% 1-Year Est. Return

Tower Research Capital (TRC)'s RGEN Position: Q1 2026 in Review

Tower Research Capital (TRC) increased its Repligen (RGEN) stake by 87% in Q1 2026, buying an estimated $251K and bringing the position to 3,871 shares worth $456K. The position accounts for 0.01% of the portfolio, ranked #971.

Tower Research Capital (TRC) first reported a position in RGEN in Q3 2013 and has held it in 41 quarters since. The position peaked at $3.48M in Q4 2020. 441 funds tracked by Wall St. Rank hold RGEN as of Q1 2026.

  • Tower Research Capital (TRC) held 3,871 shares of Repligen worth $456K as of Q1 2026.
  • Tower Research Capital (TRC) bought 1,797 Repligen shares in Q1 2026, an estimated $251K.
  • Repligen made up 0.01% of Tower Research Capital (TRC)'s portfolio in Q1 2026, its #971 holding.
  • Tower Research Capital (TRC) first reported a position in Repligen in Q3 2013 and has held it in 41 quarters since.
  • Tower Research Capital (TRC)'s Repligen position peaked at $3.48M in Q4 2020.
  • 441 funds tracked by Wall St. Rank held Repligen as of Q1 2026.

Based on Tower Research Capital (TRC)'s 13F filing for Q1 2026, filed 15 May 2026.