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First Light Asset Management’s Repligen RGEN Stock Holding History

First Light Asset 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
2025
Q4 		– Sell
-41,427
Closed -$5.54M – 42
2025
Q3 		$5.54M Sell
41,427
-2,522
-6% -$306K 0.52% 34
2025
Q2 		$5.47M Sell
43,949
-43,901
-50% -$5.59M 0.71% 32
2025
Q1 		$11.2M Buy
87,850
+5,395
+7% +$830K 1.28% 24
2024
Q4 		$11.9M Sell
82,455
-83,418
-50% -$12M 1.14% 24
2024
Q3 		$24.7M Buy
+165,873
New +$23.8M 2.05% 22

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

First Light Asset Management's RGEN Position: Q4 2025 in Review

First Light Asset Management sold out of Repligen (RGEN) in Q4 2025, closing a stake of 41,427 shares — an estimated $5.54M sold.

First Light Asset Management first reported a position in RGEN in Q3 2024 and held it in 5 quarters. The position peaked at $24.7M in Q3 2024. 473 funds tracked by Wall St. Rank hold RGEN as of Q4 2025.

  • First Light Asset Management reported no remaining Repligen position as of Q4 2025 after selling out during the quarter.
  • First Light Asset Management sold 41,427 Repligen shares in Q4 2025, an estimated $5.54M.
  • First Light Asset Management first reported a position in Repligen in Q3 2024 and held it in 5 quarters.
  • First Light Asset Management's Repligen position peaked at $24.7M in Q3 2024.
  • 473 funds tracked by Wall St. Rank held Repligen as of Q4 2025.

Based on First Light Asset Management's 13F filing for Q4 2025, filed 17 Feb 2026.