SJS Investment Consulting
PRTA icon

SJS Investment Consulting’s Prothena Corp PRTA Stock Holding History

SJS Investment Consulting’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
Q3 		$6.8K Buy
812
+809
+26,967% +$7.23K ﹤0.01% 1556
2026
Q2 		$30 Buy
+3
New +$30 ﹤0.01% 2804
2023
Q1 		– Sell
-43
Closed -$2.59K – 1618
2022
Q4 		$2.59K Buy
43
+38
+760% +$2.22K ﹤0.01% 526
2022
Q3 		$0 Buy
+5
New +$158 ﹤0.01% 1443

Other funds holding PRTA

Fidelity Investments
Fidelity Investments Boston, Massachusetts $2.32T AUM 44.66% 1-Year Est. Return
Acadian Asset Management
Acadian Asset Management Boston, Massachusetts $85.7B AUM 51.02% 1-Year Est. Return
State Street
State Street Boston, Massachusetts $3.44T AUM 36.12% 1-Year Est. Return
Federated Hermes
Federated Hermes Pittsburgh, Pennsylvania $71.4B AUM 33.43% 1-Year Est. Return
Geode Capital Management
Geode Capital Management Boston, Massachusetts $1.92T AUM 36.1% 1-Year Est. Return
Dimensional Fund Advisors
Dimensional Fund Advisors Austin, Texas $551B AUM 33.95% 1-Year Est. Return
Renaissance Technologies
Renaissance Technologies New York $73.4B AUM 32.8% 1-Year Est. Return
Mariner
Mariner Overland Park, Kansas $100B AUM 26.06% 1-Year Est. Return
UBS Group
UBS Group Zurich, Switzerland $765B AUM 28.39% 1-Year Est. Return
Penbrook Management
Penbrook Management New York $169M AUM 32.52% 1-Year Est. Return

SJS Investment Consulting's PRTA Position: Q3 2026 in Review

SJS Investment Consulting increased its Prothena Corp (PRTA) stake by 26,967% in Q3 2026, buying an estimated $7.23K and bringing the position to 812 shares worth $6.8K. The position accounts for ﹤0.01% of the portfolio, ranked #1556.

SJS Investment Consulting first reported a position in PRTA in Q3 2022 and has held it in 4 quarters since. 106 funds tracked by Wall St. Rank hold PRTA as of Q3 2026.

  • SJS Investment Consulting held 812 shares of Prothena Corp worth $6.8K as of Q3 2026.
  • SJS Investment Consulting bought 809 Prothena Corp shares in Q3 2026, an estimated $7.23K.
  • Prothena Corp made up ﹤0.01% of SJS Investment Consulting's portfolio in Q3 2026, its #1556 holding.
  • SJS Investment Consulting first reported a position in Prothena Corp in Q3 2022 and has held it in 4 quarters since.
  • 106 funds tracked by Wall St. Rank held Prothena Corp as of Q3 2026.

Based on SJS Investment Consulting's 13F filing for Q3 2026, filed 26 Oct 2026.