Oppenheimer & Co’s Repligen RGEN Stock Holding History

Oppenheimer & Co’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
2026 Q2	$208K	Buy	+1,523	New	+$187K	﹤0.01%	1649
2026 Q1	–	Sell	-1,623	Closed	-$266K	–	1777
2025 Q4	$266K	Buy	1,623 +123	+8%	+$19.3K	﹤0.01%	1317
2025 Q3	$201K	Buy	+1,500	New	+$182K	﹤0.01%	1548
2025 Q1	–	Sell	-1,500	Closed	-$216K	–	1643
2024 Q4	$216K	Buy	+1,500	New	+$215K	﹤0.01%	1426
2022 Q1	–	Sell	-5,211	Closed	-$1.38M	–	1566
2021 Q4	$1.38M	Buy	5,211 +4,519	+653%	+$1.22M	0.02%	654
2021 Q3	$200K	Sell	692 -1,566	-69%	-$402K	﹤0.01%	1402
2021 Q2	$451K	Sell	2,258 -3,457	-60%	-$671K	0.01%	1079
2021 Q1	$1.11M	Buy	5,715 +3,082	+117%	+$632K	0.02%	674
2020 Q4	$504K	Buy	+2,633	New	+$479K	0.01%	880

Other funds holding RGEN

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

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

UCFA

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

Vanguard Capital Management Malvern, Pennsylvania $4.68T AUM

Vanguard Portfolio Management Malvern, Pennsylvania $2.22T AUM

Maverick Capital Dallas, Texas $11.3B AUM 76.6% 1-Year Est. Return

State Street Boston, Massachusetts $3.37T AUM 44.26% 1-Year Est. Return

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

Massachusetts Financial Services Boston, Massachusetts $315B AUM 27.84% 1-Year Est. Return

Wasatch Advisors Salt Lake City, Utah $15.3B AUM 25.06% 1-Year Est. Return

Oppenheimer & Co's RGEN Position: Q2 2026 in Review

Oppenheimer & Co opened a new position in Repligen (RGEN) in Q2 2026: 1,523 shares worth $208K. The stake represents ﹤0.01% of the portfolio and ranks #1649 among its holdings. This is a return to the name: Oppenheimer & Co previously reported a position in RGEN as recently as Q4 2025.

Oppenheimer & Co first reported a position in RGEN in Q4 2020 and has held it in 9 quarters since. The position peaked at $1.38M in Q4 2021. 482 funds tracked by Wall St. Rank hold RGEN as of Q2 2026.

Oppenheimer & Co held 1,523 shares of Repligen worth $208K as of Q2 2026.
Repligen was a new Oppenheimer & Co position in Q2 2026.
Repligen made up ﹤0.01% of Oppenheimer & Co's portfolio in Q2 2026, its #1649 holding.
Oppenheimer & Co first reported a position in Repligen in Q4 2020 and has held it in 9 quarters since.
Oppenheimer & Co's Repligen position peaked at $1.38M in Q4 2021.
482 funds tracked by Wall St. Rank held Repligen as of Q2 2026.

Based on Oppenheimer & Co's 13F filing for Q2 2026, filed 3 Aug 2026.