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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
Q2 		$3.34M Buy
24,465
+5,267
+27% +$647K 0.04% 490
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 $6.73T AUM 46.02% 1-Year Est. Return
Fidelity Investments
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
Vanguard Capital Management Malvern, Pennsylvania $4.68T AUM
Vanguard Portfolio Management
Vanguard Portfolio Management Malvern, Pennsylvania $2.22T AUM
MC
Maverick Capital Dallas, Texas $11.3B AUM 76.6% 1-Year Est. Return
State Street
State Street Boston, Massachusetts $3.38T AUM 44.17% 1-Year Est. Return
T. Rowe Price Associates
T. Rowe Price Associates Baltimore, Maryland $999B AUM 46.22% 1-Year Est. Return
Massachusetts Financial Services
Massachusetts Financial Services Boston, Massachusetts $315B AUM 27.84% 1-Year Est. Return
WA
Wasatch Advisors Salt Lake City, Utah $15.3B AUM 25.06% 1-Year Est. Return

Boothbay Fund Management's RGEN Position: Q2 2026 in Review

Boothbay Fund Management increased its Repligen (RGEN) stake by 27% in Q2 2026, buying an estimated $647K and bringing the position to 24,465 shares worth $3.34M. The position accounts for 0.04% of the portfolio, ranked #490.

Boothbay Fund Management first reported a position in RGEN in Q3 2019 and has held it in 3 quarters since. 482 funds tracked by Wall St. Rank hold RGEN as of Q2 2026.

  • Boothbay Fund Management held 24,465 shares of Repligen worth $3.34M as of Q2 2026.
  • Boothbay Fund Management bought 5,267 Repligen shares in Q2 2026, an estimated $647K.
  • Repligen made up 0.04% of Boothbay Fund Management's portfolio in Q2 2026, its #490 holding.
  • Boothbay Fund Management first reported a position in Repligen in Q3 2019 and has held it in 3 quarters since.
  • 482 funds tracked by Wall St. Rank held Repligen as of Q2 2026.

Based on Boothbay Fund Management's 13F filing for Q2 2026, filed 14 Aug 2026.