Sierra Ocean’s Repligen RGEN Stock Holding History

Sierra Ocean’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	-8	Closed	-$995	–	754
2025 Q2	$995	Sell	8 -19	-70%	-$2.42K	﹤0.01%	921
2025 Q1	$3.44K	Buy	+27	New	+$4.16K	﹤0.01%	660

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

Sierra Ocean's RGEN Position: Q3 2025 in Review

Sierra Ocean sold out of Repligen (RGEN) in Q3 2025, closing a stake of 8 shares — an estimated $995 sold.

Sierra Ocean first reported a position in RGEN in Q1 2025 and held it in 2 quarters. The position peaked at $3.44K in Q1 2025. 453 funds tracked by Wall St. Rank hold RGEN as of Q3 2025.

Sierra Ocean reported no remaining Repligen position as of Q3 2025 after selling out during the quarter.
Sierra Ocean sold 8 Repligen shares in Q3 2025, an estimated $995.
Sierra Ocean first reported a position in Repligen in Q1 2025 and held it in 2 quarters.
Sierra Ocean's Repligen position peaked at $3.44K in Q1 2025.
453 funds tracked by Wall St. Rank held Repligen as of Q3 2025.

Based on Sierra Ocean's 13F filing for Q3 2025, filed 7 Nov 2025.