MF
ARX

Magnetar Financial’s Accelerant Holdings ARX Stock Holding History

Magnetar Financial’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 		$140K Buy
+11,936
New +$168K ﹤0.01% 1012

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

Magnetar Financial's ARX Position: Q2 2026 in Review

Magnetar Financial opened a new position in Accelerant Holdings (ARX) in Q2 2026: 11,936 shares worth $140K. The stake represents ﹤0.01% of the portfolio and ranks #1012 among its holdings.

116 funds tracked by Wall St. Rank hold ARX as of Q2 2026.

  • Magnetar Financial held 11,936 shares of Accelerant Holdings worth $140K as of Q2 2026.
  • Accelerant Holdings was a new Magnetar Financial position in Q2 2026.
  • Accelerant Holdings made up ﹤0.01% of Magnetar Financial's portfolio in Q2 2026, its #1012 holding.
  • 116 funds tracked by Wall St. Rank held Accelerant Holdings as of Q2 2026.

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