Renaissance Technologies
ARX

Renaissance Technologies’s Accelerant Holdings ARX Stock Holding History

Renaissance Technologies’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
Q1 		$3.7M Buy
276,600
+203,900
+280% +$2.58M 0.01% 1536
2025
Q4 		$1.19M Buy
+72,700
New +$1.02M ﹤0.01% 2180

Other funds holding ARX

SBLIC
Security Benefit Life Insurance Company Topeka, Kansas $182M AUM 31.21% 1-Year Est. Return
Capital World Investors
Capital World Investors Los Angeles, California $733B AUM 35.63% 1-Year Est. Return
KC
Keenan Capital Burlingame, California $474M AUM 2.41% 1-Year Est. Return
GGHC
Gilder Gagnon Howe & Co New York $8.34B AUM 46.58% 1-Year Est. Return
B
Barings Charlotte, North Carolina $6.19B AUM 16.5% 1-Year Est. Return
AllianceBernstein
AllianceBernstein Nashville, Tennessee $309B AUM 23.92% 1-Year Est. Return
American Century Companies
American Century Companies Kansas City, Missouri $194B AUM 35% 1-Year Est. Return
Marshall Wace
Marshall Wace London, United Kingdom $100B AUM 35.1% 1-Year Est. Return
VPM
Vanguard Portfolio Management Malvern, Pennsylvania $1.91T AUM
JP Morgan Chase
JP Morgan Chase New York $1.56T AUM 27.86% 1-Year Est. Return

Renaissance Technologies's ARX Position: Q1 2026 in Review

Renaissance Technologies increased its Accelerant Holdings (ARX) stake by 280% in Q1 2026, buying an estimated $2.58M and bringing the position to 276,600 shares worth $3.7M. The position accounts for 0.01% of the portfolio, ranked #1536.

Renaissance Technologies first reported a position in ARX in Q4 2025 and has held it in 2 quarters since. 107 funds tracked by Wall St. Rank hold ARX as of Q1 2026.

  • Renaissance Technologies held 276,600 shares of Accelerant Holdings worth $3.7M as of Q1 2026.
  • Renaissance Technologies bought 203,900 Accelerant Holdings shares in Q1 2026, an estimated $2.58M.
  • Accelerant Holdings made up 0.01% of Renaissance Technologies's portfolio in Q1 2026, its #1536 holding.
  • Renaissance Technologies first reported a position in Accelerant Holdings in Q4 2025 and has held it in 2 quarters since.
  • 107 funds tracked by Wall St. Rank held Accelerant Holdings as of Q1 2026.

Based on Renaissance Technologies's 13F filing for Q1 2026, filed 14 May 2026.