Walleye Capital
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Walleye Capital’s Repligen RGEN Stock Holding History

Walleye Capital’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
-100
Closed -$13.4K – 5023
2025
Q3 		$13.4K Buy
+100
New +$12.1K ﹤0.01% 4257
2025
Q1 		– Sell
-8,000
Closed -$1.15M – 4995
2024
Q4 		$1.15M Buy
8,000
+5,200
+186% +$746K ﹤0.01% 2267
2024
Q3 		$417K Buy
2,800
+600
+27% +$86K ﹤0.01% 3469
2024
Q2 		$277K Buy
2,200
+400
+22% +$62.7K ﹤0.01% 4039
2024
Q1 		$331K Sell
1,800
-100
-5% -$19K ﹤0.01% 3562
2023
Q4 		$342K Sell
1,900
-6,400
-77% -$996K ﹤0.01% 3262
2023
Q3 		$1.32M Buy
8,300
+4,800
+137% +$785K ﹤0.01% 2048
2023
Q2 		$495K Buy
+3,500
New +$561K ﹤0.01% 2448
2020
Q1 		– Sell
-2,700
Closed -$250K – 1524
2019
Q4 		$250K Sell
2,700
-8,000
-75% -$672K 0.02% 1013
2019
Q3 		$821K Sell
10,700
-9,400
-47% -$822K 0.05% 525
2019
Q2 		$1.73M Buy
20,100
+19,900
+9,950% +$1.36M 0.19% 125
2019
Q1 		$12K Buy
+200
New +$11.5K ﹤0.01% 1390

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

Walleye Capital's RGEN Position: Q1 2026 in Review

Walleye Capital sold out of Repligen (RGEN) in Q1 2026, closing a stake of 417,110 shares — an estimated $68.3M sold.

Walleye Capital first reported a position in RGEN in Q2 2019 and held it in 15 quarters. The position peaked at $68.3M in Q4 2025. 441 funds tracked by Wall St. Rank hold RGEN as of Q1 2026.

  • Walleye Capital reported no remaining Repligen position as of Q1 2026 after selling out during the quarter.
  • Walleye Capital sold 417,110 Repligen shares in Q1 2026, an estimated $68.3M.
  • Walleye Capital first reported a position in Repligen in Q2 2019 and held it in 15 quarters.
  • Walleye Capital's Repligen position peaked at $68.3M in Q4 2025.
  • 441 funds tracked by Wall St. Rank held Repligen as of Q1 2026.

Based on Walleye Capital's 13F filing for Q1 2026, filed 11 May 2026.