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
2026
Q1 		– Sell
-100
Closed -$16.4K – 4893
2025
Q4 		$16.4K Hold
100
– – ﹤0.01% 4263
2025
Q3 		$13.4K Sell
100
-500
-83% -$60.7K ﹤0.01% 4256
2025
Q2 		$74.6K Sell
600
-100
-14% -$12.7K ﹤0.01% 3903
2025
Q1 		$89.1K Sell
700
-21,200
-97% -$3.26M ﹤0.01% 3666
2024
Q4 		$3.15M Sell
21,900
-1,400
-6% -$201K 0.01% 1392
2024
Q3 		$3.47M Sell
23,300
-12,300
-35% -$1.76M 0.01% 1459
2024
Q2 		$4.49M Sell
35,600
-6,900
-16% -$1.08M 0.01% 1367
2024
Q1 		$7.82M Buy
42,500
+31,500
+286% +$6M 0.01% 987
2023
Q4 		$1.98M Sell
11,000
-10,000
-48% -$1.56M ﹤0.01% 1788
2023
Q3 		$3.34M Buy
21,000
+13,200
+169% +$2.16M 0.01% 1335
2023
Q2 		$1.1M Buy
+7,800
New +$1.25M ﹤0.01% 1775
2020
Q1 		– Sell
-2,800
Closed -$259K – 1523
2019
Q4 		$259K Sell
2,800
-17,800
-86% -$1.5M 0.02% 1003
2019
Q3 		$1.58M Sell
20,600
-30,500
-60% -$2.67M 0.09% 290
2019
Q2 		$4.39M Buy
51,100
+45,000
+738% +$3.07M 0.48% 18
2019
Q1 		$360K Buy
+6,100
New +$351K 0.06% 518

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.