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

Walleye Trading’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
-7,300
Closed -$69.7K – 4579
2025
Q4 		$69.7K Sell
7,300
-3,600
-33% -$36.6K ﹤0.01% 3867
2025
Q3 		$106K Buy
10,900
+9,200
+541% +$70.7K ﹤0.01% 3691
2025
Q2 		$10.3K Sell
1,700
-22,800
-93% -$171K ﹤0.01% 4039
2025
Q1 		$303K Buy
+24,500
New +$346K ﹤0.01% 2830
2023
Q4 		– Sell
-14,700
Closed -$709K – 5406
2023
Q3 		$709K Buy
14,700
+13,100
+819% +$778K ﹤0.01% 2652
2023
Q2 		$109K Sell
1,600
-38,400
-96% -$2.48M ﹤0.01% 3712
2023
Q1 		$1.94M Buy
+40,000
New +$2.11M ﹤0.01% 1707
2021
Q4 		– Sell
-10,500
Closed -$748K – 5756
2021
Q3 		$748K Buy
+10,500
New +$652K ﹤0.01% 2524
2021
Q2 		– Sell
-10,000
Closed -$251K – 5458
2021
Q1 		$251K Sell
10,000
-15,500
-61% -$292K ﹤0.01% 3414
2020
Q4 		$306K Buy
+25,500
New +$302K ﹤0.01% 3118
2020
Q1 		– Sell
-100
Closed -$2K – 4436
2019
Q4 		$2K Buy
+100
New +$1.07K ﹤0.01% 4157
2019
Q2 		– Sell
-39,400
Closed -$478K – 4398
2019
Q1 		$478K Sell
39,400
-154,900
-80% -$1.93M ﹤0.01% 2317
2018
Q4 		$2M Buy
194,300
+94,500
+95% +$1.12M 0.01% 1079
2018
Q3 		$1.3M Buy
99,800
+95,400
+2,168% +$1.38M 0.01% 1793
2018
Q2 		$64K Buy
+4,400
New +$86.9K ﹤0.01% 4188
2018
Q1 		– Sell
-4,700
Closed -$176 – 4727
2017
Q4 		$176 Buy
+4,700
New +$239K ﹤0.01% 3536

Other funds holding PRTA

Fidelity Investments
Fidelity Investments Boston, Massachusetts $1.9T AUM 41.92% 1-Year Est. Return
RCMNY
Rubric Capital Management (New York) New York $9.44B AUM 68.42% 1-Year Est. Return
BlackRock
BlackRock New York $5.72T AUM 30.48% 1-Year Est. Return
State Street
State Street Boston, Massachusetts $2.9T AUM 29.55% 1-Year Est. Return
D.E. Shaw & Co
D.E. Shaw & Co New York $166B AUM 43.98% 1-Year Est. Return
ACM
ADAR1 Capital Management Austin, Texas $1.7B AUM 340.85% 1-Year Est. Return
Acadian Asset Management
Acadian Asset Management Boston, Massachusetts $70.5B AUM 36% 1-Year Est. Return
VPM
Vanguard Portfolio Management Malvern, Pennsylvania $1.91T AUM
Morgan Stanley
Morgan Stanley New York $1.66T AUM 25.57% 1-Year Est. Return
PAI
Palo Alto Investors Palo Alto, California $654M AUM 77.8% 1-Year Est. Return

Walleye Trading's PRTA Position: Q4 2023 in Review

Walleye Trading sold out of Prothena Corp (PRTA) in Q4 2023, closing a stake of 9,267 shares — an estimated $447K sold.

Walleye Trading first reported a position in PRTA in Q4 2017 and held it in 12 quarters. The position peaked at $2.93M in Q3 2022. 187 funds tracked by Wall St. Rank hold PRTA as of Q4 2023.

  • Walleye Trading reported no remaining Prothena Corp position as of Q4 2023 after selling out during the quarter.
  • Walleye Trading sold 9,267 Prothena Corp shares in Q4 2023, an estimated $447K.
  • Walleye Trading first reported a position in Prothena Corp in Q4 2017 and held it in 12 quarters.
  • Walleye Trading's Prothena Corp position peaked at $2.93M in Q3 2022.
  • 187 funds tracked by Wall St. Rank held Prothena Corp as of Q4 2023.

Based on Walleye Trading's 13F filing for Q4 2023, filed 14 Feb 2024.