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Larson Financial Group’s Prothena Corp PRTA Stock Holding History

Larson Financial Group’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
Q2 		$264 Sell
27
-140
-84% -$1.38K ﹤0.01% 3576
2026
Q1 		$1.62K Buy
167
+141
+542% +$1.29K ﹤0.01% 3018
2025
Q4 		$248 Buy
26
+20
+333% +$204 ﹤0.01% 3249
2025
Q3 		$59 Buy
+6
New +$46 ﹤0.01% 3348
2025
Q2 		– Sell
-42
Closed -$520 – 3459
2025
Q1 		$520 Buy
42
+11
+35% +$156 ﹤0.01% 2567
2024
Q4 		$429 Buy
+31
New +$489 ﹤0.01% 2238

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

Larson Financial Group's PRTA Position: Q2 2026 in Review

Larson Financial Group reduced its Prothena Corp (PRTA) stake by 84% in Q2 2026, selling an estimated $1.38K and leaving 27 shares worth $264. The position accounts for ﹤0.01% of the portfolio, ranked #3576.

Larson Financial Group first reported a position in PRTA in Q4 2024 and has held it in 6 quarters since. The position peaked at $1.62K in Q1 2026. 188 funds tracked by Wall St. Rank hold PRTA as of Q2 2026.

  • Larson Financial Group held 27 shares of Prothena Corp worth $264 as of Q2 2026.
  • Larson Financial Group sold 140 Prothena Corp shares in Q2 2026, an estimated $1.38K.
  • Prothena Corp made up ﹤0.01% of Larson Financial Group's portfolio in Q2 2026, its #3576 holding.
  • Larson Financial Group first reported a position in Prothena Corp in Q4 2024 and has held it in 6 quarters since.
  • Larson Financial Group's Prothena Corp position peaked at $1.62K in Q1 2026.
  • 188 funds tracked by Wall St. Rank held Prothena Corp as of Q2 2026.

Based on Larson Financial Group's 13F filing for Q2 2026, filed 14 Aug 2026.