Accelerant Holdings ARX Institutional Ownership

NYSE ARX

$19.73 +0.00 (+0.00%)

As of: Sep 30, 2026 · 3:59 PM EDT

Institutions by Trading Activity

119 Institutions

Increased 81 68.1%

Unchanged 11 9.2%

Reduced 27 22.7%

Ownership Statistics

13F · as of 30 Jun, 2026

Institutional Ownership

54.65%

▲+6.73 pp QoQ

Shares Held by Institutions

64.63Mn

of 118.28Mn outstanding

▲+24.35% QoQ

Shares Outstanding

118.28Mn

53.65Mn held outside 13F filers

Institutional Investors

119

filed 13F for Jun 2026

▲+11 vs prior quarter

Net Shares Added (QoQ)

+12.66Mn

accumulated since last quarter

Value of Holdings

$1.28Bn

reported market value

Shares Owned by Institutions

Shares held % of outstanding

Latest —

Average ownership —

Peak ownership —

Shares Purchased/Sold by Institutions

Accumulated Distributed

Latest quarter —

Net over range —

Accumulating quarters —

Ownership Summary

Quarter ending 30 Jun, 2026

Accelerant Holdings (NYSE:ARX) is held by 119 institutional investors per 13F filings through June 2026.

These investors collectively held 54.6% of Accelerant Holdings's outstanding shares in June 2026, up from 47.9% in March 2026.
Their total shares held in ARX increased 24.35% quarter over quarter, and separately, investors owning Accelerant Holdings increased 11800.0% from a year ago.
Among the 119 funds, 81 bought more Accelerant Holdings shares, 27 sold down, and 11 held their ground.
The aggregate institutional position in Accelerant Holdings amounted to 64.63Mn shares as of June 2026, up by 12.66Mn shares quarter on quarter, and up 64.63Mn shares year over year.
As of June 30, 2026, SECURITY BENEFIT LIFE INSURANCE CO /KS/ held the largest stake in Accelerant Holdings with 5.87Mn shares, accounting for 4.96% of total shares outstanding.
Top purchasers of ARX stock for the quarter ending June 2026 included FMR LLC (3.82Mn), BlackRock, Inc. (3.33Mn), Goldman Sachs Group Inc (1.97Mn), Azora Capital LP (1.07Mn), Owls Nest Partners IA, LLC (1.04Mn).
Leading sellers of Accelerant Holdings shares for the quarter ending June 2026 were ALLIANCEBERNSTEIN L.P. (1.35Mn), MARSHALL WACE, LLP (1.16Mn), ArrowMark Colorado Holdings LLC (1.07Mn), Qube Research & Technologies Ltd (691.62K), SUSQUEHANNA INTERNATIONAL GROUP, LLP (639.03K).
Per Business Quant, the top 10 investors in ARX for the quarter ending June 2026 include SECURITY BENEFIT LIFE INSURANCE CO /KS/ (5.87Mn), FMR LLC (5.63Mn), Capital World Investors (4.63Mn), Keenan Capital, LLC (3.99Mn), AMERICAN CENTURY COMPANIES INC (3.88Mn), GILDER GAGNON HOWE & CO LLC (3.73Mn), BlackRock, Inc. (3.5Mn), BARINGS LLC (3.13Mn), Azora Capital LP (3.05Mn), VANGUARD PORTFOLIO MANAGEMENT LLC (2.42Mn).

Form 13F Holdings

119 Institutional Holders

Report period 30 Jun, 2026

Total shares held 64.63Mn

Of outstanding 54.65%

#	Institution	CIK	Shares Held	% of Outstanding	Change (QoQ)	Change (%)	Value (USD)
1	SECURITY BENEFIT LIFE INSURANCE CO /KS/	0000869772	5,866,257	4.96%	0	0.00%	$78.37Mn
2	FMR LLC	0000315066	5,628,679	4.76%	▲3,816,472	+210.60%	$65.97Mn
3	Capital World Investors	0001422849	4,626,664	3.91%	▼526,077	-10.21%	$54.22Mn
4	Keenan Capital, LLC	0001647363	3,992,923	3.38%	0	0.00%	$46.80Mn
5	AMERICAN CENTURY COMPANIES INC	0000748054	3,877,619	3.28%	▲689,114	+21.61%	$45.45Mn
6	GILDER GAGNON HOWE & CO LLC	0000902464	3,732,024	3.16%	▼11,340	-0.30%	$43.74Mn
7	BlackRock, Inc.	0002012383	3,496,273	2.96%	▲3,330,709	+2,011.74%	$40.98Mn
8	BARINGS LLC	0000009015	3,128,867	2.65%	0	0.00%	$37.61Mn
9	Azora Capital LP	0001700272	3,049,846	2.58%	▲1,069,635	+54.02%	$35.74Mn
10	VANGUARD PORTFOLIO MANAGEMENT LLC	0002100121	2,418,330	2.04%	▲304,765	+14.42%	$28.34Mn
11	Jpmorgan Chase & Co	0000019617	2,176,807	1.84%	▲156,439	+7.74%	$27.49Mn
12	Goldman Sachs Group Inc	0000886982	2,013,582	1.70%	▲1,971,913	+4,732.33%	$23.60Mn
13	Cresset Asset Management, LLC	0001761013	1,839,620	1.56%	0	0.00%	$21.56Mn
14	CITADEL ADVISORS LLC	0001423053	1,747,985	1.48%	▲603,779	+52.77%	$20.49Mn
15	VANGUARD CAPITAL MANAGEMENT LLC	0002100119	1,657,197	1.40%	▼281,741	-14.53%	$19.42Mn
16	ALLIANCEBERNSTEIN L.P.	0001109448	1,447,153	1.22%	▼1,353,035	-48.32%	$19.33Mn
17	Owls Nest Partners IA, LLC	0001845806	1,251,884	1.06%	▲1,042,177	+496.97%	$14.67Mn
18	MARSHALL WACE, LLP	0001318757	1,109,675	0.94%	▼1,164,477	-51.20%	$13.01Mn
19	JANE STREET GROUP, LLC	0001595888	952,066	0.80%	▲91,369	+10.62%	$11.16Mn
20	State Street Corp	0000093751	900,775	0.76%	▲863,469	+2,314.56%	$10.56Mn

Showing 1 to 20 of 119 holders