Capstone Investment Advisors
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Capstone Investment Advisors’s Repligen RGEN Stock Holding History

Capstone Investment Advisors’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
Q1 		$354K Buy
+3,005
New +$420K ﹤0.01% 1301
2025
Q4 		– Sell
-4,711
Closed -$630K – 1970
2025
Q3 		$630K Buy
+4,711
New +$572K ﹤0.01% 1243
2024
Q2 		– Sell
-1,831
Closed -$337K – 2399
2024
Q1 		$337K Buy
+1,831
New +$349K ﹤0.01% 1772
2021
Q4 		– Sell
-3,473
Closed -$1M – 2055
2021
Q3 		$1M Buy
+3,473
New +$891K ﹤0.01% 1400
2017
Q4 		– Sell
-13,763
Closed -$527K – 628
2017
Q3 		$527K Buy
+13,763
New +$577K 0.02% 310
2017
Q1 		– Sell
-7,900
Closed -$243K – 1079
2016
Q4 		$243K Buy
+7,900
New +$244K 0.01% 777

Other funds holding RGEN

BlackRock
BlackRock New York $5.72T AUM 30.48% 1-Year Est. Return
T. Rowe Price Associates
T. Rowe Price Associates Baltimore, Maryland $865B AUM 30.76% 1-Year Est. Return
Fidelity Investments
Fidelity Investments Boston, Massachusetts $1.9T AUM 41.92% 1-Year Est. Return
UCFA
United Capital Financial Advisors Irving, Texas $16.3B AUM 16.34% 1-Year Est. Return
VCM
Vanguard Capital Management Malvern, Pennsylvania $4.04T AUM
VPM
Vanguard Portfolio Management Malvern, Pennsylvania $1.91T AUM
State Street
State Street Boston, Massachusetts $2.9T AUM 29.55% 1-Year Est. Return
Bank of New York Mellon
Bank of New York Mellon New York $544B AUM 28.31% 1-Year Est. Return
MC
Maverick Capital Dallas, Texas $8.67B AUM 48.76% 1-Year Est. Return
Massachusetts Financial Services
Massachusetts Financial Services Boston, Massachusetts $298B AUM 21.96% 1-Year Est. Return

Capstone Investment Advisors's RGEN Position: Q1 2026 in Review

Capstone Investment Advisors opened a new position in Repligen (RGEN) in Q1 2026: 3,005 shares worth $354K. The stake represents ﹤0.01% of the portfolio and ranks #1301 among its holdings. This is a return to the name: Capstone Investment Advisors previously reported a position in RGEN as recently as Q3 2025.

Capstone Investment Advisors first reported a position in RGEN in Q4 2016 and has held it in 6 quarters since. The position peaked at $1M in Q3 2021. 441 funds tracked by Wall St. Rank hold RGEN as of Q1 2026.

  • Capstone Investment Advisors held 3,005 shares of Repligen worth $354K as of Q1 2026.
  • Repligen was a new Capstone Investment Advisors position in Q1 2026.
  • Repligen made up ﹤0.01% of Capstone Investment Advisors's portfolio in Q1 2026, its #1301 holding.
  • Capstone Investment Advisors first reported a position in Repligen in Q4 2016 and has held it in 6 quarters since.
  • Capstone Investment Advisors's Repligen position peaked at $1M in Q3 2021.
  • 441 funds tracked by Wall St. Rank held Repligen as of Q1 2026.

Based on Capstone Investment Advisors's 13F filing for Q1 2026, filed 15 May 2026.