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Sterling Capital Management’s Prothena Corp PRTA Stock Holding History

Sterling 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
Q2 		$4.41K Sell
450
-898
-67% -$8.87K ﹤0.01% 2690
2026
Q1 		$13.1K Sell
1,348
-979
-42% -$8.97K ﹤0.01% 2233
2025
Q4 		$22.2K Sell
2,327
-220
-9% -$2.24K ﹤0.01% 2170
2025
Q3 		$24.9K Buy
2,547
+1,588
+166% +$12.2K ﹤0.01% 2038
2025
Q2 		$5.82K Buy
959
+628
+190% +$4.71K ﹤0.01% 2426
2025
Q1 		$4.1K Sell
331
-263
-44% -$3.72K ﹤0.01% 2264
2024
Q4 		$8.23K Buy
594
+503
+553% +$7.93K ﹤0.01% 2251
2024
Q3 		$1.52K Buy
+91
New +$1.96K ﹤0.01% 2329

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

Sterling Capital Management's PRTA Position: Q2 2026 in Review

Sterling Capital Management reduced its Prothena Corp (PRTA) stake by 67% in Q2 2026, selling an estimated $8.87K and leaving 450 shares worth $4.41K. The position accounts for ﹤0.01% of the portfolio, ranked #2690.

Sterling Capital Management first reported a position in PRTA in Q3 2024 and has held it in 8 quarters since. The position peaked at $24.9K in Q3 2025. 188 funds tracked by Wall St. Rank hold PRTA as of Q2 2026.

  • Sterling Capital Management held 450 shares of Prothena Corp worth $4.41K as of Q2 2026.
  • Sterling Capital Management sold 898 Prothena Corp shares in Q2 2026, an estimated $8.87K.
  • Prothena Corp made up ﹤0.01% of Sterling Capital Management's portfolio in Q2 2026, its #2690 holding.
  • Sterling Capital Management first reported a position in Prothena Corp in Q3 2024 and has held it in 8 quarters since.
  • Sterling Capital Management's Prothena Corp position peaked at $24.9K in Q3 2025.
  • 188 funds tracked by Wall St. Rank held Prothena Corp as of Q2 2026.

Based on Sterling Capital Management's 13F filing for Q2 2026, filed 28 Jul 2026.