SEI Investments
ARX

SEI Investments’s Accelerant Holdings ARX Stock Holding History

SEI Investments’s Portfolio ARX Stock Details ARX Fund Activity
Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake 		Trade Value Portfolio Weight Portfolio Position
2026
Q2 		$763K Sell
65,141
-8,794
-12% -$123K ﹤0.01% 2452
2026
Q1 		$988K Buy
73,935
+36,033
+95% +$455K ﹤0.01% 2357
2025
Q4 		$620K Buy
37,902
+7,972
+27% +$112K ﹤0.01% 2413
2025
Q3 		$446K Buy
+29,930
New +$701K ﹤0.01% 2286

Other funds holding ARX

SBLIC
Security Benefit Life Insurance Company Topeka, Kansas $182M AUM 31.21% 1-Year Est. Return
Fidelity Investments
Fidelity Investments Boston, Massachusetts $2.3T AUM 54.33% 1-Year Est. Return
Capital World Investors
Capital World Investors Los Angeles, California $846B AUM 46.74% 1-Year Est. Return
KC
Keenan Capital Burlingame, California $506M AUM 7.03% 1-Year Est. Return
American Century Companies
American Century Companies Kansas City, Missouri $226B AUM 44.75% 1-Year Est. Return
GGHC
Gilder Gagnon Howe & Co New York $9.69B AUM 55.7% 1-Year Est. Return
BlackRock
BlackRock New York $6.73T AUM 46.02% 1-Year Est. Return
B
Barings Charlotte, North Carolina $5.64B AUM 18.33% 1-Year Est. Return
ACL
Azora Capital LP Miami, Florida $2.37B AUM 34.87% 1-Year Est. Return
Vanguard Portfolio Management
Vanguard Portfolio Management Malvern, Pennsylvania $2.22T AUM

SEI Investments's ARX Position: Q2 2026 in Review

SEI Investments reduced its Accelerant Holdings (ARX) stake by 12% in Q2 2026, selling an estimated $123K and leaving 65,141 shares worth $763K. The position accounts for ﹤0.01% of the portfolio, ranked #2452.

SEI Investments first reported a position in ARX in Q3 2025 and has held it in 4 quarters since. The position peaked at $988K in Q1 2026. 116 funds tracked by Wall St. Rank hold ARX as of Q2 2026.

  • SEI Investments held 65,141 shares of Accelerant Holdings worth $763K as of Q2 2026.
  • SEI Investments sold 8,794 Accelerant Holdings shares in Q2 2026, an estimated $123K.
  • Accelerant Holdings made up ﹤0.01% of SEI Investments's portfolio in Q2 2026, its #2452 holding.
  • SEI Investments first reported a position in Accelerant Holdings in Q3 2025 and has held it in 4 quarters since.
  • SEI Investments's Accelerant Holdings position peaked at $988K in Q1 2026.
  • 116 funds tracked by Wall St. Rank held Accelerant Holdings as of Q2 2026.

Based on SEI Investments's 13F filing for Q2 2026, filed 14 Aug 2026.