LMR Partners
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LMR Partners’s Accelerant Holdings ARX Stock Holding History

LMR Partners’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 		– Sell
-11,672
Closed -$156K – 1883
2026
Q1 		$156K Buy
+11,672
New +$148K ﹤0.01% 1221
2025
Q4 		– Sell
-260,000
Closed -$3.87M – 1792
2025
Q3 		$3.87M Buy
+260,000
New +$6.09M 0.02% 580

Other funds holding ARX

Security Benefit Life Insurance Company
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
Gilder Gagnon Howe & Co
Gilder Gagnon Howe & Co New York $9.7B AUM 55.7% 1-Year Est. Return
BlackRock
BlackRock New York $6.73T AUM 46.02% 1-Year Est. Return
Barings
Barings Charlotte, North Carolina $5.64B AUM 18.33% 1-Year Est. Return
Azora Capital LP
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

LMR Partners's ARX Position: Q2 2026 in Review

LMR Partners sold out of Accelerant Holdings (ARX) in Q2 2026, closing a stake of 11,672 shares — an estimated $156K sold.

LMR Partners first reported a position in ARX in Q3 2025 and held it in 2 quarters. The position peaked at $3.87M in Q3 2025. 116 funds tracked by Wall St. Rank hold ARX as of Q2 2026.

  • LMR Partners reported no remaining Accelerant Holdings position as of Q2 2026 after selling out during the quarter.
  • LMR Partners sold 11,672 Accelerant Holdings shares in Q2 2026, an estimated $156K.
  • LMR Partners first reported a position in Accelerant Holdings in Q3 2025 and held it in 2 quarters.
  • LMR Partners's Accelerant Holdings position peaked at $3.87M in Q3 2025.
  • 116 funds tracked by Wall St. Rank held Accelerant Holdings as of Q2 2026.

Based on LMR Partners's 13F filing for Q2 2026, filed 14 Aug 2026.