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DCF Advisers’s Prothena Corp PRTA Stock Holding History

DCF Advisers’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
2022
Q4 		– Sell
-27,500
Closed -$1.67M – 82
2022
Q3 		$1.67M Buy
+27,500
New +$869K 1.08% 30

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

DCF Advisers's PRTA Position: Q1 2026 in Review

DCF Advisers reduced its Prothena Corp (PRTA) stake by 63% in Q1 2026, selling an estimated $1.12M and leaving 73,247 shares worth $712K. The position accounts for 0.19% of the portfolio, ranked #67.

DCF Advisers first reported a position in PRTA in Q1 2021 and has held it in 21 quarters since. The position peaked at $5.79M in Q2 2023. 185 funds tracked by Wall St. Rank hold PRTA as of Q1 2026.

  • DCF Advisers held 73,247 shares of Prothena Corp worth $712K as of Q1 2026.
  • DCF Advisers sold 122,500 Prothena Corp shares in Q1 2026, an estimated $1.12M.
  • Prothena Corp made up 0.19% of DCF Advisers's portfolio in Q1 2026, its #67 holding.
  • DCF Advisers first reported a position in Prothena Corp in Q1 2021 and has held it in 21 quarters since.
  • DCF Advisers's Prothena Corp position peaked at $5.79M in Q2 2023.
  • 185 funds tracked by Wall St. Rank held Prothena Corp as of Q1 2026.

Based on DCF Advisers's 13F filing for Q1 2026, filed 11 May 2026.