Entropy Technologies’s Repligen RGEN Stock Holding History

Entropy Technologies’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	$888K	Buy	+6,505	New	+$799K	0.04%	531
2026 Q1	–	Sell	-5,493	Closed	-$900K	–	1119
2025 Q4	$900K	Buy	5,493 +2,710	+97%	+$424K	0.05%	412
2025 Q3	$372K	Sell	2,783 -7,983	-74%	-$970K	0.03%	604
2025 Q2	$1.34M	Buy	+10,766	New	+$1.37M	0.11%	249
2024 Q4	–	Sell	-2,500	Closed	-$372K	–	945
2024 Q3	$372K	Sell	2,500 -575	-19%	-$82.5K	0.04%	509
2024 Q2	$388K	Sell	3,075 -399	-11%	-$62.5K	0.04%	446
2024 Q1	$639K	Sell	3,474 -3,133	-47%	-$597K	0.07%	380
2023 Q4	$1.19M	Buy	+6,607	New	+$1.03M	0.22%	164

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

Entropy Technologies's RGEN Position: Q2 2026 in Review

Entropy Technologies opened a new position in Repligen (RGEN) in Q2 2026: 6,505 shares worth $888K. The stake represents 0.04% of the portfolio and ranks #531 among its holdings. This is a return to the name: Entropy Technologies previously reported a position in RGEN as recently as Q4 2025.

Entropy Technologies first reported a position in RGEN in Q4 2023 and has held it in 8 quarters since. The position peaked at $1.34M in Q2 2025. 482 funds tracked by Wall St. Rank hold RGEN as of Q2 2026.

Entropy Technologies held 6,505 shares of Repligen worth $888K as of Q2 2026.
Repligen was a new Entropy Technologies position in Q2 2026.
Repligen made up 0.04% of Entropy Technologies's portfolio in Q2 2026, its #531 holding.
Entropy Technologies first reported a position in Repligen in Q4 2023 and has held it in 8 quarters since.
Entropy Technologies's Repligen position peaked at $1.34M in Q2 2025.
482 funds tracked by Wall St. Rank held Repligen as of Q2 2026.

Based on Entropy Technologies's 13F filing for Q2 2026, filed 13 Aug 2026.