Parallax Volatility Advisers
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Parallax Volatility Advisers’s Prothena Corp PRTA Stock Holding History

Parallax Volatility 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
2023
Q3 		– Sell
-20,000
Closed -$1.37M – 2543
2023
Q2 		$1.37M Buy
+20,000
New +$1.29M ﹤0.01% 1278
2021
Q4 		– Sell
-1,800
Closed -$128K – 2228
2021
Q3 		$128K Buy
+1,800
New +$112K ﹤0.01% 1753

Other funds holding PRTA

EC
EcoR1 Capital San Francisco, California $2.36B AUM 204.53% 1-Year Est. Return
Fidelity Investments
Fidelity Investments Boston, Massachusetts $1.9T AUM 41.92% 1-Year Est. Return
T. Rowe Price Associates
T. Rowe Price Associates Baltimore, Maryland $865B AUM 30.76% 1-Year Est. Return
BlackRock
BlackRock New York $5.72T AUM 30.48% 1-Year Est. Return
Wellington Management Group
Wellington Management Group Boston, Massachusetts $535B AUM 26.23% 1-Year Est. Return
State Street
State Street Boston, Massachusetts $2.9T AUM 29.55% 1-Year Est. Return
Janus Henderson Group
Janus Henderson Group London, United Kingdom $209B AUM 37.72% 1-Year Est. Return
PAI
Palo Alto Investors Palo Alto, California $654M AUM 77.8% 1-Year Est. Return
FLAM
First Light Asset Management Edina, Minnesota $1.12B AUM 114.45% 1-Year Est. Return
Dimensional Fund Advisors
Dimensional Fund Advisors Austin, Texas $481B AUM 30.42% 1-Year Est. Return

Parallax Volatility Advisers's PRTA Position: Q3 2023 in Review

Parallax Volatility Advisers sold out of Prothena Corp (PRTA) in Q3 2023, closing a stake of 6,425 shares — an estimated $439K sold.

Parallax Volatility Advisers first reported a position in PRTA in Q4 2017 and held it in 7 quarters. The position peaked at $2.98M in Q1 2018. 186 funds tracked by Wall St. Rank hold PRTA as of Q3 2023.

  • Parallax Volatility Advisers reported no remaining Prothena Corp position as of Q3 2023 after selling out during the quarter.
  • Parallax Volatility Advisers sold 6,425 Prothena Corp shares in Q3 2023, an estimated $439K.
  • Parallax Volatility Advisers first reported a position in Prothena Corp in Q4 2017 and held it in 7 quarters.
  • Parallax Volatility Advisers's Prothena Corp position peaked at $2.98M in Q1 2018.
  • 186 funds tracked by Wall St. Rank held Prothena Corp as of Q3 2023.

Based on Parallax Volatility Advisers's 13F filing for Q3 2023, filed 14 Nov 2023.