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
Q1 		– Sell
-800
Closed -$7.64K – 4856
2025
Q4 		$7.64K Sell
800
-1,900
-70% -$19.3K ﹤0.01% 4315
2025
Q3 		$26.4K Buy
+2,700
New +$20.8K ﹤0.01% 4161
2025
Q1 		– Sell
-100
Closed -$1.39K – 4953
2024
Q4 		$1.39K Buy
+100
New +$1.58K ﹤0.01% 4689
2024
Q3 		– Sell
-8,300
Closed -$171K – 5751
2024
Q2 		$171K Buy
8,300
+3,900
+89% +$84.4K ﹤0.01% 4415
2024
Q1 		$109K Buy
+4,400
New +$131K ﹤0.01% 4349
2023
Q4 		– Sell
-700
Closed -$33.8K – 5390
2023
Q3 		$33.8K Buy
700
+400
+133% +$23.8K ﹤0.01% 4285
2023
Q2 		$20.5K Buy
+300
New +$19.4K ﹤0.01% 3796

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. 187 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.
  • 187 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.