BFM
PRTA icon

Boothbay Fund Management’s Prothena Corp PRTA Stock Holding History

Boothbay Fund Management’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
2025
Q4 		– Sell
-30,000
Closed -$293K – 2305
2025
Q3 		$293K Buy
+30,000
New +$231K 0.01% 1467
2025
Q1 		– Sell
-62,002
Closed -$877K – 1758
2024
Q4 		$859K Buy
+62,002
New +$978K 0.03% 689
2021
Q2 		– Sell
-48,162
Closed -$1.21M – 2129
2021
Q1 		$1.21M Sell
48,162
-77,087
-62% -$1.45M 0.06% 507
2020
Q4 		$1.5M Buy
+125,249
New +$1.48M 0.08% 349
2019
Q2 		– Sell
-20,000
Closed -$205K – 897
2019
Q1 		$243K Buy
+20,000
New +$250K 0.03% 562

Other funds holding PRTA

Fidelity Investments
Fidelity Investments Boston, Massachusetts $1.9T AUM 41.92% 1-Year Est. Return
BlackRock
BlackRock New York $5.7T AUM 30.48% 1-Year Est. Return
RCMNY
Rubric Capital Management (New York) New York $8.16B AUM 68.42% 1-Year Est. Return
State Street
State Street Boston, Massachusetts $2.9T AUM 29.55% 1-Year Est. Return
Vanguard Group
Vanguard Group Malvern, Pennsylvania $6.9T AUM 27.45% 1-Year Est. Return
D.E. Shaw & Co
D.E. Shaw & Co New York $127B AUM 43.98% 1-Year Est. Return
AC
Armistice Capital New York $3.03B AUM 36.06% 1-Year Est. Return
ACM
ADAR1 Capital Management Austin, Texas $1.66B AUM 340.85% 1-Year Est. Return
Acadian Asset Management
Acadian Asset Management Boston, Massachusetts $70.5B AUM 36% 1-Year Est. Return
PAI
Palo Alto Investors Palo Alto, California $654M AUM 77.8% 1-Year Est. Return