Royal Bank of Canada
PRTA icon

Royal Bank of Canada’s Prothena Corp PRTA Stock Holding History

Royal Bank of Canada’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
2016
Q1 		– Sell
-36,000
Closed -$2.45M – 6584
2015
Q4 		$2.45M Buy
+36,000
New +$2.17M ﹤0.01% 2372

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 $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

Royal Bank of Canada's PRTA Position: Q1 2026 in Review

Royal Bank of Canada reduced its Prothena Corp (PRTA) stake by 28% in Q1 2026, selling an estimated $11.5K and leaving 3,171 shares worth $30K. The position accounts for ﹤0.01% of the portfolio, ranked #5726.

Royal Bank of Canada first reported a position in PRTA in Q2 2013 and has held it in 52 quarters since. The position peaked at $4.89M in Q4 2015. 185 funds tracked by Wall St. Rank hold PRTA as of Q1 2026.

  • Royal Bank of Canada held 3,171 shares of Prothena Corp worth $30K as of Q1 2026.
  • Royal Bank of Canada sold 1,256 Prothena Corp shares in Q1 2026, an estimated $11.5K.
  • Prothena Corp made up ﹤0.01% of Royal Bank of Canada's portfolio in Q1 2026, its #5726 holding.
  • Royal Bank of Canada first reported a position in Prothena Corp in Q2 2013 and has held it in 52 quarters since.
  • Royal Bank of Canada's Prothena Corp position peaked at $4.89M in Q4 2015.
  • 185 funds tracked by Wall St. Rank held Prothena Corp as of Q1 2026.

Based on Royal Bank of Canada's 13F filing for Q1 2026, filed 15 May 2026.