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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
-52,500
Closed -$3.18M – 81
2022
Q3 		$3.18M Buy
+52,500
New +$1.66M 2.06% 14
2022
Q2 		– Sell
-2,500
Closed -$91K – 84
2022
Q1 		$91K Buy
+2,500
New +$90.1K 0.04% 64

Other funds holding PRTA

Fidelity Investments
Fidelity Investments Boston, Massachusetts $2.3T AUM 54.33% 1-Year Est. Return
RCMNY
Rubric Capital Management (New York) New York $10.9B AUM 70.31% 1-Year Est. Return
BlackRock
BlackRock New York $6.73T AUM 46.02% 1-Year Est. Return
State Street
State Street Boston, Massachusetts $3.37T AUM 44.26% 1-Year Est. Return
Acadian Asset Management
Acadian Asset Management Boston, Massachusetts $84.2B AUM 55.88% 1-Year Est. Return
Vanguard Portfolio Management
Vanguard Portfolio Management Malvern, Pennsylvania $2.22T AUM
D.E. Shaw & Co
D.E. Shaw & Co New York $210B AUM 57.28% 1-Year Est. Return
ACM
ADAR1 Capital Management Austin, Texas $2.19B AUM 374.99% 1-Year Est. Return
Two Sigma Investments
Two Sigma Investments New York $138B AUM 41.87% 1-Year Est. Return
PAI
Palo Alto Investors Palo Alto, California $724M AUM 96.91% 1-Year Est. Return

DCF Advisers's PRTA Position: Q2 2026 in Review

DCF Advisers held its Prothena Corp (PRTA) position steady in Q2 2026 at 73,247 shares worth $717K. The position accounts for 0.13% of the portfolio, ranked #71.

DCF Advisers first reported a position in PRTA in Q1 2021 and has held it in 22 quarters since. The position peaked at $5.79M in Q2 2023. 187 funds tracked by Wall St. Rank hold PRTA as of Q2 2026.

  • DCF Advisers held 73,247 shares of Prothena Corp worth $717K as of Q2 2026.
  • DCF Advisers left its Prothena Corp share count unchanged in Q2 2026.
  • Prothena Corp made up 0.13% of DCF Advisers's portfolio in Q2 2026, its #71 holding.
  • DCF Advisers first reported a position in Prothena Corp in Q1 2021 and has held it in 22 quarters since.
  • DCF Advisers's Prothena Corp position peaked at $5.79M in Q2 2023.
  • 187 funds tracked by Wall St. Rank held Prothena Corp as of Q2 2026.

Based on DCF Advisers's 13F filing for Q2 2026, filed 10 Aug 2026.