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Sherbrooke Park Advisers’s Repligen RGEN Stock Holding History

Sherbrooke Park Advisers’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
2025
Q4 		– Sell
-2,955
Closed -$395K – 471
2025
Q3 		$395K Buy
2,955
+647
+28% +$78.6K 0.18% 231
2025
Q2 		$287K Buy
+2,308
New +$294K 0.12% 314
2024
Q3 		– Sell
-14,114
Closed -$1.78M – 1202
2024
Q2 		$1.78M Buy
+14,114
New +$2.21M 0.31% 49
2023
Q3 		– Sell
-3,200
Closed -$453K – 604
2023
Q2 		$453K Buy
+3,200
New +$513K 0.24% 193
2023
Q1 		– Sell
-1,300
Closed -$220K – 300
2022
Q4 		$220K Buy
+1,300
New +$236K 0.16% 234

Other funds holding RGEN

BlackRock
BlackRock New York $6.73T AUM 46.02% 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 $3.37T AUM 44.26% 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 $609B AUM 40.19% 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 $315B AUM 27.84% 1-Year Est. Return

Sherbrooke Park Advisers's RGEN Position: Q4 2025 in Review

Sherbrooke Park Advisers sold out of Repligen (RGEN) in Q4 2025, closing a stake of 2,955 shares — an estimated $395K sold.

Sherbrooke Park Advisers first reported a position in RGEN in Q4 2022 and held it in 5 quarters. The position peaked at $1.78M in Q2 2024. 474 funds tracked by Wall St. Rank hold RGEN as of Q4 2025.

  • Sherbrooke Park Advisers reported no remaining Repligen position as of Q4 2025 after selling out during the quarter.
  • Sherbrooke Park Advisers sold 2,955 Repligen shares in Q4 2025, an estimated $395K.
  • Sherbrooke Park Advisers first reported a position in Repligen in Q4 2022 and held it in 5 quarters.
  • Sherbrooke Park Advisers's Repligen position peaked at $1.78M in Q2 2024.
  • 474 funds tracked by Wall St. Rank held Repligen as of Q4 2025.

Based on Sherbrooke Park Advisers's 13F filing for Q4 2025, filed 17 Feb 2026.