Hudson Bay Capital Management
ARX

Hudson Bay Capital Management’s Accelerant Holdings ARX Stock Holding History

Hudson Bay Capital Management’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 		$738K Buy
55,276
+23,026
+71% +$291K ﹤0.01% 927
2025
Q4 		$527K Sell
32,250
-52,048
-62% -$733K ﹤0.01% 860
2025
Q3 		$1.26M Buy
+84,298
New +$1.97M ﹤0.01% 827

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

Hudson Bay Capital Management's ARX Position: Q1 2026 in Review

Hudson Bay Capital Management increased its Accelerant Holdings (ARX) stake by 71% in Q1 2026, buying an estimated $291K and bringing the position to 55,276 shares worth $738K. The position accounts for ﹤0.01% of the portfolio, ranked #927.

Hudson Bay Capital Management first reported a position in ARX in Q3 2025 and has held it in 3 quarters since. The position peaked at $1.26M in Q3 2025. 107 funds tracked by Wall St. Rank hold ARX as of Q1 2026.

  • Hudson Bay Capital Management held 55,276 shares of Accelerant Holdings worth $738K as of Q1 2026.
  • Hudson Bay Capital Management bought 23,026 Accelerant Holdings shares in Q1 2026, an estimated $291K.
  • Accelerant Holdings made up ﹤0.01% of Hudson Bay Capital Management's portfolio in Q1 2026, its #927 holding.
  • Hudson Bay Capital Management first reported a position in Accelerant Holdings in Q3 2025 and has held it in 3 quarters since.
  • Hudson Bay Capital Management's Accelerant Holdings position peaked at $1.26M in Q3 2025.
  • 107 funds tracked by Wall St. Rank held Accelerant Holdings as of Q1 2026.

Based on Hudson Bay Capital Management's 13F filing for Q1 2026, filed 13 May 2026.