Sandler Capital Management’s Repligen RGEN Stock Holding History

Sandler Capital Management’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 Q4	–	Sell	-11,304	Closed	-$1.51M	–	188
2025 Q3	$1.51M	Buy	+11,304	New	+$1.37M	0.44%	81
2025 Q2	–	Sell	-17,389	Closed	-$2.21M	–	171
2025 Q1	$2.21M	Sell	17,389 -8,004	-32%	-$1.23M	0.55%	72
2024 Q4	$3.66M	Buy	+25,393	New	+$3.64M	0.38%	99
2024 Q2	–	Sell	-10,270	Closed	-$1.89M	–	161
2024 Q1	$1.89M	Buy	+10,270	New	+$1.96M	0.14%	123
2020 Q1	–	Sell	-53,359	Closed	-$4.94M	–	104
2019 Q4	$4.94M	Sell	53,359 -131,726	-71%	-$11.1M	0.57%	56
2019 Q3	$14.2M	Sell	185,085 -18,738	-9%	-$1.64M	1.24%	34
2019 Q2	$17.5M	Buy	+203,823	New	+$13.9M	1.17%	25
2017 Q3	–	Sell	-221,070	Closed	-$9.16M	–	149
2017 Q2	$9.16M	Buy	+221,070	New	+$8.4M	0.99%	30

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

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

United Capital Financial Advisors Irving, Texas $18.2B AUM 22.02% 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

Bank of New York Mellon New York $609B AUM 40.19% 1-Year Est. Return

Invesco Atlanta, Georgia $1.26T AUM 61.52% 1-Year Est. Return

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

Sandler Capital Management's RGEN Position: Q4 2025 in Review

Sandler Capital Management sold out of Repligen (RGEN) in Q4 2025, closing a stake of 11,304 shares — an estimated $1.51M sold.

Sandler Capital Management first reported a position in RGEN in Q2 2017 and held it in 8 quarters. The position peaked at $17.5M in Q2 2019. 474 funds tracked by Wall St. Rank hold RGEN as of Q4 2025.

Sandler Capital Management reported no remaining Repligen position as of Q4 2025 after selling out during the quarter.
Sandler Capital Management sold 11,304 Repligen shares in Q4 2025, an estimated $1.51M.
Sandler Capital Management first reported a position in Repligen in Q2 2017 and held it in 8 quarters.
Sandler Capital Management's Repligen position peaked at $17.5M in Q2 2019.
474 funds tracked by Wall St. Rank held Repligen as of Q4 2025.

Based on Sandler Capital Management's 13F filing for Q4 2025, filed 17 Feb 2026.