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Boothbay Fund Management’s Repligen RGEN Stock Holding History

Boothbay Fund 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
2026
Q1 		$2.26M Buy
+19,198
New +$2.68M 0.03% 566
2019
Q4 		– Sell
-2,654
Closed -$204K – 962
2019
Q3 		$204K Buy
+2,654
New +$232K 0.02% 652

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

Boothbay Fund Management's RGEN Position: Q1 2026 in Review

Boothbay Fund Management opened a new position in Repligen (RGEN) in Q1 2026: 19,198 shares worth $2.26M. The stake represents 0.03% of the portfolio and ranks #566 among its holdings. This is a return to the name: Boothbay Fund Management previously reported a position in RGEN as recently as Q3 2019.

Boothbay Fund Management first reported a position in RGEN in Q3 2019 and has held it in 2 quarters since. 441 funds tracked by Wall St. Rank hold RGEN as of Q1 2026.

  • Boothbay Fund Management held 19,198 shares of Repligen worth $2.26M as of Q1 2026.
  • Repligen was a new Boothbay Fund Management position in Q1 2026.
  • Repligen made up 0.03% of Boothbay Fund Management's portfolio in Q1 2026, its #566 holding.
  • Boothbay Fund Management first reported a position in Repligen in Q3 2019 and has held it in 2 quarters since.
  • 441 funds tracked by Wall St. Rank held Repligen as of Q1 2026.

Based on Boothbay Fund Management's 13F filing for Q1 2026, filed 15 May 2026.