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
-11,200
Closed -$107K – 4578
2025
Q4 		$107K Sell
11,200
-2,100
-16% -$21.4K ﹤0.01% 3706
2025
Q3 		$130K Sell
13,300
-100
-0.7% -$769 ﹤0.01% 3599
2025
Q2 		$81.3K Sell
13,400
-18,600
-58% -$140K ﹤0.01% 3673
2025
Q1 		$396K Buy
+32,000
New +$452K ﹤0.01% 2670
2023
Q4 		– Sell
-400
Closed -$19.3K – 5404
2023
Q3 		$19.3K Sell
400
-1,400
-78% -$83.2K ﹤0.01% 4412
2023
Q2 		$123K Sell
1,800
-1,700
-49% -$110K ﹤0.01% 3664
2023
Q1 		$170K Buy
+3,500
New +$185K ﹤0.01% 3616
2021
Q4 		– Sell
-2,000
Closed -$142K – 5754
2021
Q3 		$142K Buy
+2,000
New +$124K ﹤0.01% 4162
2021
Q2 		– Sell
-900
Closed -$23K – 5456
2021
Q1 		$23K Buy
+900
New +$16.9K ﹤0.01% 4522
2020
Q2 		– Sell
-39,100
Closed -$418K – 4531
2020
Q1 		$418K Sell
39,100
-172,900
-82% -$2.09M ﹤0.01% 2001
2019
Q4 		$3.36M Buy
+212,000
New +$2.27M 0.02% 832
2019
Q2 		– Sell
-1,500
Closed -$18K – 4396
2019
Q1 		$18K Sell
1,500
-133,700
-99% -$1.67M ﹤0.01% 3919
2018
Q4 		$1.39M Buy
135,200
+107,200
+383% +$1.27M 0.01% 1374
2018
Q3 		$366K Sell
28,000
-22,900
-45% -$331K ﹤0.01% 3208
2018
Q2 		$742K Buy
+50,900
New +$1.01M ﹤0.01% 2427
2018
Q1 		– Sell
-7,300
Closed -$272 – 4725
2017
Q4 		$272 Buy
+7,300
New +$372K ﹤0.01% 3163

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.