Walleye Capital
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Walleye Capital’s Prothena Corp PRTA Stock Holding History

Walleye Capital’s Portfolio PRTA Stock Details PRTA Fund Activity
Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake 		Trade Value Portfolio Weight Portfolio Position
2026
Q2 		– Sell
-277,168
Closed -$2.69M – 5090
2026
Q1 		$2.69M Buy
277,168
+121,133
+78% +$1.11M 0.01% 1226
2025
Q4 		$1.49M Buy
156,035
+155,972
+247,575% +$1.59M ﹤0.01% 2106
2025
Q3 		$615 Sell
63
-1,995
-97% -$15.3K ﹤0.01% 4387
2025
Q2 		$12.5K Buy
+2,058
New +$15.4K ﹤0.01% 4287
2025
Q1 		– Sell
-14,953
Closed -$207K – 4952
2024
Q4 		$207K Buy
+14,953
New +$236K ﹤0.01% 3731
2024
Q3 		– Sell
-46,098
Closed -$951K – 5750
2024
Q2 		$951K Buy
46,098
+44,879
+3,682% +$971K ﹤0.01% 2904
2024
Q1 		$30.2K Buy
+1,219
New +$36.3K ﹤0.01% 4817
2023
Q4 		– Sell
-4,286
Closed -$207K – 5389
2023
Q3 		$207K Sell
4,286
-51,366
-92% -$3.05M ﹤0.01% 3532
2023
Q2 		$3.8M Buy
+55,652
New +$3.59M 0.01% 903
2019
Q2 		– Sell
-7,319
Closed -$89K – 1968
2019
Q1 		$89K Buy
+7,319
New +$91.4K 0.01% 1071

Other funds holding PRTA

Fidelity Investments
Fidelity Investments Boston, Massachusetts $2.3T AUM 54.33% 1-Year Est. Return
RCMNY
Rubric Capital Management (New York) New York $10.9B AUM 70.31% 1-Year Est. Return
BlackRock
BlackRock New York $6.73T AUM 46.02% 1-Year Est. Return
State Street
State Street Boston, Massachusetts $3.37T AUM 44.26% 1-Year Est. Return
Acadian Asset Management
Acadian Asset Management Boston, Massachusetts $84.2B AUM 55.88% 1-Year Est. Return
Vanguard Portfolio Management
Vanguard Portfolio Management Malvern, Pennsylvania $2.22T AUM
D.E. Shaw & Co
D.E. Shaw & Co New York $210B AUM 57.28% 1-Year Est. Return
ACM
ADAR1 Capital Management Austin, Texas $2.19B AUM 374.99% 1-Year Est. Return
Two Sigma Investments
Two Sigma Investments New York $138B AUM 41.87% 1-Year Est. Return
PAI
Palo Alto Investors Palo Alto, California $724M AUM 96.91% 1-Year Est. Return

Walleye Capital's PRTA Position: Q2 2026 in Review

Walleye Capital sold out of Prothena Corp (PRTA) in Q2 2026, closing a stake of 277,168 shares — an estimated $2.69M sold.

Walleye Capital first reported a position in PRTA in Q1 2019 and held it in 10 quarters. The position peaked at $3.8M in Q2 2023. 188 funds tracked by Wall St. Rank hold PRTA as of Q2 2026.

  • Walleye Capital reported no remaining Prothena Corp position as of Q2 2026 after selling out during the quarter.
  • Walleye Capital sold 277,168 Prothena Corp shares in Q2 2026, an estimated $2.69M.
  • Walleye Capital first reported a position in Prothena Corp in Q1 2019 and held it in 10 quarters.
  • Walleye Capital's Prothena Corp position peaked at $3.8M in Q2 2023.
  • 188 funds tracked by Wall St. Rank held Prothena Corp as of Q2 2026.

Based on Walleye Capital's 13F filing for Q2 2026, filed 3 Aug 2026.