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Seven Fleet Capital Management’s Prothena Corp PRTA Stock Holding History

Seven Fleet Capital 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
2026
Q1 		$421K Hold
43,300
– – 0.13% 85
2025
Q4 		$414K Buy
+43,300
New +$441K 0.28% 51

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 $6.73T AUM 46.02% 1-Year Est. Return
State Street
State Street Boston, Massachusetts $3.37T AUM 44.26% 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 $84.2B AUM 55.88% 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

Seven Fleet Capital Management's PRTA Position: Q1 2026 in Review

Seven Fleet Capital Management held its Prothena Corp (PRTA) position steady in Q1 2026 at 43,300 shares worth $421K. The position accounts for 0.13% of the portfolio, ranked #85.

Seven Fleet Capital Management first reported a position in PRTA in Q4 2025 and has held it in 2 quarters since. 185 funds tracked by Wall St. Rank hold PRTA as of Q1 2026.

  • Seven Fleet Capital Management held 43,300 shares of Prothena Corp worth $421K as of Q1 2026.
  • Seven Fleet Capital Management left its Prothena Corp share count unchanged in Q1 2026.
  • Prothena Corp made up 0.13% of Seven Fleet Capital Management's portfolio in Q1 2026, its #85 holding.
  • Seven Fleet Capital Management first reported a position in Prothena Corp in Q4 2025 and has held it in 2 quarters since.
  • 185 funds tracked by Wall St. Rank held Prothena Corp as of Q1 2026.

Based on Seven Fleet Capital Management's 13F filing for Q1 2026, filed 15 May 2026.