MP
RGEN icon

Mangrove Partners’s Repligen RGEN Stock Holding History

Mangrove Partners’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 		$517K Buy
+4,390
New +$613K 0.04% 190

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

Mangrove Partners's RGEN Position: Q1 2026 in Review

Mangrove Partners opened a new position in Repligen (RGEN) in Q1 2026: 4,390 shares worth $517K. The stake represents 0.04% of the portfolio and ranks #190 among its holdings.

441 funds tracked by Wall St. Rank hold RGEN as of Q1 2026.

  • Mangrove Partners held 4,390 shares of Repligen worth $517K as of Q1 2026.
  • Repligen was a new Mangrove Partners position in Q1 2026.
  • Repligen made up 0.04% of Mangrove Partners's portfolio in Q1 2026, its #190 holding.
  • 441 funds tracked by Wall St. Rank held Repligen as of Q1 2026.

Based on Mangrove Partners's 13F filing for Q1 2026, filed 15 May 2026.