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 Q3	$292K	Sell	1,521 -2	-0.1%	-$325	﹤0.01%	1446
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

Congress Asset Management Boston, Massachusetts $15.4B AUM 30.39% 1-Year Est. Return

Wasatch Advisors Salt Lake City, Utah $13.5B AUM 16.58% 1-Year Est. Return

Artemis Investment Management Edinburgh, United Kingdom $11.5B AUM 61.77% 1-Year Est. Return

Daiwa Securities Group Tokyo, Japan $53.6B AUM 32.29% 1-Year Est. Return

Brown Capital Management Baltimore, Maryland $527M AUM 33.67% 1-Year Est. Return

Covea Finance Paris, France $3.07B AUM 27.46% 1-Year Est. Return

STRS Ohio Columbus, Ohio $27.1B AUM 34.64% 1-Year Est. Return

New York State Teachers Retirement System (NYSTRS) Albany, New York $52.9B AUM 36.03% 1-Year Est. Return

Slow Capital Greenbrae, California $890M AUM 40.96% 1-Year Est. Return

Gateway Investment Advisers Cincinnati, Ohio $11B AUM 34.31% 1-Year Est. Return

Oppenheimer & Co's RGEN Position: Q3 2026 in Review

Oppenheimer & Co reduced its Repligen (RGEN) stake by 0.13% in Q3 2026, selling an estimated $325 and leaving 1,521 shares worth $292K. The position accounts for ﹤0.01% of the portfolio, ranked #1446.

Oppenheimer & Co first reported a position in RGEN in Q4 2020 and has held it in 10 quarters since. The position peaked at $1.38M in Q4 2021. 143 funds tracked by Wall St. Rank hold RGEN as of Q3 2026.

Oppenheimer & Co held 1,521 shares of Repligen worth $292K as of Q3 2026.
Oppenheimer & Co sold 2 Repligen shares in Q3 2026, an estimated $325.
Repligen made up ﹤0.01% of Oppenheimer & Co's portfolio in Q3 2026, its #1446 holding.
Oppenheimer & Co first reported a position in Repligen in Q4 2020 and has held it in 10 quarters since.
Oppenheimer & Co's Repligen position peaked at $1.38M in Q4 2021.
143 funds tracked by Wall St. Rank held Repligen as of Q3 2026.

Based on Oppenheimer & Co's 13F filing for Q3 2026, filed 26 Oct 2026.