ARXAccelerant Holdings

$19.68

Who owns ARX

107 institutions reported holding ARX for 2026Q1, together 25% of the company, more than the 98 a quarter earlier.

107

Institutions reporting a position · as of 2026Q1 · up from 98 the quarter before

Shares held by institutions
55.6M

Shares held by institutions · 25% of the company · long US equity positions only, as reported on Form 13F

Reported value
$755M

Reported value · at 2026-03-31 prices, not today's

Top 5 holders
10%

Top 5 holders · of the whole company, between five filers

Details
Reporting quarter2026-03-31
2026Q1
Quarters on record
3
New positions
28
Positions exited
23
Added to
37
Reduced
20
Top 10 holdersof the company
16%
Largest reported holders, 2026Q1
HolderShares% of companyValue
SECURITY BENEFIT LIFE INSURANCE CO /KS/5.9M2.6%$78M
Capital World Investors5.2M2.3%$69M
VANGUARD GROUP INC4.1M1.9%$55M
Keenan Capital, LLC4.0M1.8%$53M
GILDER GAGNON HOWE & CO LLC3.7M1.7%$50M
AMERICAN CENTURY COMPANIES INC3.2M1.4%$43M
BARINGS LLC3.1M1.4%$46M
ALLIANCEBERNSTEIN L.P.2.8M1.3%$46M
Marshall Wace LLP2.3M1.0%$30M
JPMORGAN CHASE & CO2.0M0.91%$27M

SEC Form 13F data sets (DERA bulk files). 13F is quarterly, filed up to 45 days late, and covers long US equity positions only, no shorts, no derivatives, nothing held below the reporting threshold.

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