Walleye Capital
PRTA icon

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
-200
Closed -$1.94K – 5089
2026
Q1 		$1.94K Sell
200
-35,100
-99% -$322K ﹤0.01% 4239
2025
Q4 		$337K Sell
35,300
-12,000
-25% -$122K ﹤0.01% 3217
2025
Q3 		$462K Buy
47,300
+15,400
+48% +$118K ﹤0.01% 2680
2025
Q2 		$194K Buy
+31,900
New +$239K ﹤0.01% 3392
2024
Q3 		– Sell
-800
Closed -$16.5K – 5749
2024
Q2 		$16.5K Sell
800
-5,900
-88% -$128K ﹤0.01% 5147
2024
Q1 		$166K Buy
+6,700
New +$199K ﹤0.01% 4090
2023
Q3 		– Sell
-2,900
Closed -$198K – 5231
2023
Q2 		$198K Buy
+2,900
New +$187K ﹤0.01% 3088
2019
Q2 		– Sell
-5,300
Closed -$64K – 1967
2019
Q1 		$64K Buy
+5,300
New +$66.2K 0.01% 1158

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.