Polar Asset Management Partners’s Repligen RGEN Stock Holding History

Polar Asset Management Partners’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 Q3	–	Sell	-11,400	Closed	-$1.42M	–	785
2025 Q2	$1.42M	Buy	11,400 +9,082	+392%	+$1.16M	0.02%	339
2025 Q1	$295K	Sell	2,318 -4,582	-66%	-$705K	0.01%	354
2024 Q4	$993K	Buy	6,900 +3,000	+77%	+$430K	0.01%	437
2024 Q3	$580K	Buy	+3,900	New	+$559K	0.01%	451
2023 Q4	–	Sell	-4,200	Closed	-$668K	–	886
2023 Q3	$668K	Sell	4,200 -6,900	-62%	-$1.13M	0.01%	483
2023 Q2	$1.57M	Sell	11,100 -24,900	-69%	-$3.99M	0.03%	472
2023 Q1	$6.06M	Buy	+36,000	New	+$6.42M	0.09%	299

Other funds holding RGEN

BlackRock New York $6.73T AUM 46.02% 1-Year Est. Return

Vanguard Group Malvern, Pennsylvania $6.9T AUM 27.45% 1-Year Est. Return

T. Rowe Price Associates Baltimore, Maryland $999B AUM 46.22% 1-Year Est. Return

UCFA

United Capital Financial Advisors Irving, Texas $18.2B AUM 22.02% 1-Year Est. Return

Fidelity Investments Boston, Massachusetts $2.3T AUM 54.33% 1-Year Est. Return

State Street Boston, Massachusetts $3.38T AUM 44.17% 1-Year Est. Return

Citadel Advisors Miami, Florida $875B AUM 40.89% 1-Year Est. Return

Point72 Asset Management Stamford, Connecticut $90.7B AUM 77.13% 1-Year Est. Return

Holocene Advisors New York $44.4B AUM 57.89% 1-Year Est. Return

CIP

Champlain Investment Partners Burlington, Vermont $3.89B AUM 16.15% 1-Year Est. Return

Polar Asset Management Partners's RGEN Position: Q3 2025 in Review

Polar Asset Management Partners sold out of Repligen (RGEN) in Q3 2025, closing a stake of 11,400 shares — an estimated $1.42M sold.

Polar Asset Management Partners first reported a position in RGEN in Q1 2023 and held it in 7 quarters. The position peaked at $6.06M in Q1 2023. 453 funds tracked by Wall St. Rank hold RGEN as of Q3 2025.

Polar Asset Management Partners reported no remaining Repligen position as of Q3 2025 after selling out during the quarter.
Polar Asset Management Partners sold 11,400 Repligen shares in Q3 2025, an estimated $1.42M.
Polar Asset Management Partners first reported a position in Repligen in Q1 2023 and held it in 7 quarters.
Polar Asset Management Partners's Repligen position peaked at $6.06M in Q1 2023.
453 funds tracked by Wall St. Rank held Repligen as of Q3 2025.

Based on Polar Asset Management Partners's 13F filing for Q3 2025, filed 14 Nov 2025.