SAM
PRTA icon

Sectoral Asset Management’s Prothena Corp PRTA Stock Holding History

Sectoral Asset 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
2024
Q1 		– Sell
-46,777
Closed -$1.7M – 103
2023
Q4 		$1.7M Sell
46,777
-125,630
-73% -$4.84M 0.73% 55
2023
Q3 		$8.32M Buy
172,407
+20,559
+14% +$1.22M 1.62% 18
2023
Q2 		$10.4M Buy
151,848
+29,098
+24% +$1.88M 1.73% 15
2023
Q1 		$5.95M Buy
122,750
+7,550
+7% +$399K 1.14% 33
2022
Q4 		$6.94M Buy
+115,200
New +$6.75M 1.34% 22
2018
Q1 		– Sell
-184,063
Closed -$6.9M – 76
2017
Q4 		$6.9M Sell
184,063
-11,846
-6% -$603K 0.86% 35
2017
Q3 		$12.7M Buy
195,909
+44,863
+30% +$2.75M 1.63% 29
2017
Q2 		$8.18M Buy
151,046
+10,000
+7% +$533K 0.89% 36
2017
Q1 		$7.87M Buy
141,046
+17,400
+14% +$914K 0.92% 32
2016
Q4 		$6.08M Sell
123,646
-300
-0.2% -$16.6K 0.67% 35
2016
Q3 		$7.43M Sell
123,946
-50,800
-29% -$2.73M 0.73% 36
2016
Q2 		$6.11M Sell
174,746
-223,354
-56% -$9.73M 0.63% 40
2016
Q1 		$16.4M Buy
+398,100
New +$15.6M 0.79% 37

Other funds holding PRTA

EC
EcoR1 Capital San Francisco, California $2.36B AUM 204.53% 1-Year Est. Return
Fidelity Investments
Fidelity Investments Boston, Massachusetts $1.9T AUM 41.92% 1-Year Est. Return
T. Rowe Price Associates
T. Rowe Price Associates Baltimore, Maryland $865B AUM 30.76% 1-Year Est. Return
Wellington Management Group
Wellington Management Group Boston, Massachusetts $535B AUM 26.23% 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
PAI
Palo Alto Investors Palo Alto, California $654M AUM 77.8% 1-Year Est. Return
Janus Henderson Group
Janus Henderson Group London, United Kingdom $209B AUM 37.72% 1-Year Est. Return
Vanguard Group
Vanguard Group Malvern, Pennsylvania $6.9T AUM 27.45% 1-Year Est. Return
AC
Armistice Capital New York $5.62B AUM 36.06% 1-Year Est. Return

Sectoral Asset Management's PRTA Position: Q1 2024 in Review

Sectoral Asset Management sold out of Prothena Corp (PRTA) in Q1 2024, closing a stake of 46,777 shares — an estimated $1.7M sold.

Sectoral Asset Management first reported a position in PRTA in Q1 2016 and held it in 13 quarters. The position peaked at $16.4M in Q1 2016. 169 funds tracked by Wall St. Rank hold PRTA as of Q1 2024.

  • Sectoral Asset Management reported no remaining Prothena Corp position as of Q1 2024 after selling out during the quarter.
  • Sectoral Asset Management sold 46,777 Prothena Corp shares in Q1 2024, an estimated $1.7M.
  • Sectoral Asset Management first reported a position in Prothena Corp in Q1 2016 and held it in 13 quarters.
  • Sectoral Asset Management's Prothena Corp position peaked at $16.4M in Q1 2016.
  • 169 funds tracked by Wall St. Rank held Prothena Corp as of Q1 2024.

Based on Sectoral Asset Management's 13F filing for Q1 2024, filed 14 May 2024.