Janus Henderson Group
ARX

Janus Henderson Group’s Accelerant Holdings ARX Stock Holding History

Janus Henderson Group’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 		$315K Hold
23,500
– – ﹤0.01% 2196
2025
Q4 		$384K Sell
23,500
-519,784
-96% -$7.32M ﹤0.01% 2118
2025
Q3 		$8.09M Buy
+543,284
New +$12.7M ﹤0.01% 792

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

Janus Henderson Group's ARX Position: Q1 2026 in Review

Janus Henderson Group held its Accelerant Holdings (ARX) position steady in Q1 2026 at 23,500 shares worth $315K. The position accounts for ﹤0.01% of the portfolio, ranked #2196.

Janus Henderson Group first reported a position in ARX in Q3 2025 and has held it in 3 quarters since. The position peaked at $8.09M in Q3 2025. 107 funds tracked by Wall St. Rank hold ARX as of Q1 2026.

  • Janus Henderson Group held 23,500 shares of Accelerant Holdings worth $315K as of Q1 2026.
  • Janus Henderson Group left its Accelerant Holdings share count unchanged in Q1 2026.
  • Accelerant Holdings made up ﹤0.01% of Janus Henderson Group's portfolio in Q1 2026, its #2196 holding.
  • Janus Henderson Group first reported a position in Accelerant Holdings in Q3 2025 and has held it in 3 quarters since.
  • Janus Henderson Group's Accelerant Holdings position peaked at $8.09M in Q3 2025.
  • 107 funds tracked by Wall St. Rank held Accelerant Holdings as of Q1 2026.

Based on Janus Henderson Group's 13F filing for Q1 2026, filed 15 May 2026.