Twin Tree Management
RGEN icon

Twin Tree Management’s Repligen RGEN Stock Holding History

Twin Tree Management’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
2024
Q2 		– Sell
-16,000
Closed -$2.94M – 1614
2024
Q1 		$2.94M Sell
16,000
-190,400
-92% -$36.3M 0.01% 929
2023
Q4 		$37.1M Buy
206,400
+146,100
+242% +$22.7M 0.07% 275
2023
Q3 		$9.59M Buy
60,300
+41,600
+222% +$6.8M 0.02% 528
2023
Q2 		$2.65M Sell
18,700
-47,400
-72% -$7.6M ﹤0.01% 888
2023
Q1 		$11.1M Sell
66,100
-87,300
-57% -$15.6M 0.02% 551
2022
Q4 		$26M Sell
153,400
-26,900
-15% -$4.88M 0.06% 329
2022
Q3 		$33.7M Buy
+180,300
New +$38M 0.06% 246
2022
Q2 		– Sell
-77,300
Closed -$14.5M – 1801
2022
Q1 		$14.5M Buy
77,300
+16,200
+27% +$3.08M 0.02% 582
2021
Q4 		$16.2M Sell
61,100
-12,100
-17% -$3.26M 0.03% 477
2021
Q3 		$21.2M Buy
+73,200
New +$18.8M 0.05% 350
2020
Q3 		– Sell
-4,000
Closed -$494K – 1535
2020
Q2 		$494K Hold
4,000
– – ﹤0.01% 1164
2020
Q1 		$386K Buy
+4,000
New +$386K ﹤0.01% 1001

Other funds holding RGEN

BlackRock
BlackRock New York $5.72T AUM 30.48% 1-Year Est. Return
Vanguard Group
Vanguard Group Malvern, Pennsylvania $6.9T AUM 27.45% 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
State Street
State Street Boston, Massachusetts $2.9T AUM 29.55% 1-Year Est. Return
Citadel Advisors
Citadel Advisors Miami, Florida $618B AUM 30.34% 1-Year Est. Return
Bank of New York Mellon
Bank of New York Mellon New York $544B AUM 28.31% 1-Year Est. Return
Invesco
Invesco Atlanta, Georgia $1.02T AUM 30.18% 1-Year Est. Return
Massachusetts Financial Services
Massachusetts Financial Services Boston, Massachusetts $298B AUM 21.96% 1-Year Est. Return

Twin Tree Management's RGEN Position: Q2 2025 in Review

Twin Tree Management sold out of Repligen (RGEN) in Q2 2025, closing a stake of 226 shares — an estimated $28.8K sold.

Twin Tree Management first reported a position in RGEN in Q1 2019 and held it in 12 quarters. The position peaked at $12.4M in Q4 2022. 443 funds tracked by Wall St. Rank hold RGEN as of Q2 2025.

  • Twin Tree Management reported no remaining Repligen position as of Q2 2025 after selling out during the quarter.
  • Twin Tree Management sold 226 Repligen shares in Q2 2025, an estimated $28.8K.
  • Twin Tree Management first reported a position in Repligen in Q1 2019 and held it in 12 quarters.
  • Twin Tree Management's Repligen position peaked at $12.4M in Q4 2022.
  • 443 funds tracked by Wall St. Rank held Repligen as of Q2 2025.

Based on Twin Tree Management's 13F filing for Q2 2025, filed 28 Jul 2025.