Israel Englander’s Repligen RGEN Stock Holding History

Israel Englander’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	$3.68M	Buy	27,000 +13,000	+93%	+$1.6M	﹤0.01%	3291
2026 Q1	$1.65M	Buy	+14,000	New	+$1.96M	﹤0.01%	4042
2025 Q1	–	Sell	-26,900	Closed	-$3.87M	–	6313
2024 Q4	$3.87M	Buy	26,900 +14,100	+110%	+$2.02M	﹤0.01%	3056
2024 Q3	$1.9M	Buy	12,800 +1,500	+13%	+$215K	﹤0.01%	3744
2024 Q2	$1.42M	Buy	11,300 +2,700	+31%	+$423K	﹤0.01%	3818
2024 Q1	$1.58M	Sell	8,600 -21,700	-72%	-$4.13M	﹤0.01%	3929
2023 Q4	$5.45M	Buy	30,300 +20,100	+197%	+$3.13M	﹤0.01%	2715
2023 Q3	$1.62M	Buy	+10,200	New	+$1.67M	﹤0.01%	3757
2022 Q4	–	Sell	-3,000	Closed	-$561K	–	6962
2022 Q3	$561K	Sell	3,000 -2,000	-40%	-$422K	﹤0.01%	4864
2022 Q2	$812K	Buy	+5,000	New	+$791K	﹤0.01%	4563
2021 Q4	–	Sell	-15,000	Closed	-$4.33M	–	7295
2021 Q3	$4.33M	Buy	+15,000	New	+$3.85M	﹤0.01%	3023

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

Israel Englander's RGEN Position: Q2 2026 in Review

Israel Englander sold out of Repligen (RGEN) in Q2 2026, closing a stake of 22,461 shares — an estimated $2.76M sold.

Israel Englander first reported a position in RGEN in Q2 2013 and held it in 43 quarters. The position peaked at $109M in Q3 2025. 476 funds tracked by Wall St. Rank hold RGEN as of Q2 2026.

Israel Englander reported no remaining Repligen position as of Q2 2026 after selling out during the quarter.
Israel Englander sold 22,461 Repligen shares in Q2 2026, an estimated $2.76M.
Israel Englander first reported a position in Repligen in Q2 2013 and held it in 43 quarters.
Israel Englander's Repligen position peaked at $109M in Q3 2025.
476 funds tracked by Wall St. Rank held Repligen as of Q2 2026.

Based on Millennium Management's 13F filing for Q2 2026, filed 14 Aug 2026.