Accelerant Holdings ARX Institutional Ownership

NYSE ARX

$19.75 -0.08 (-0.40%)

As of: Oct 20, 2026 · 3:59 PM EDT

Institutions by Trading Activity

118 Institutions

Increased 80 67.8%

Unchanged 11 9.3%

Reduced 27 22.9%

Ownership Statistics

13F · as of 30 Jun, 2026

Institutional Ownership

54.52%

▲+6.60 pp QoQ

Shares Held by Institutions

64.48Mn

of 118.28Mn outstanding

▲+16.03% QoQ

Shares Outstanding

118.28Mn

53.79Mn held outside 13F filers

Institutional Investors

118

filed 13F for Jun 2026

▲+10 vs prior quarter

Net Shares Added (QoQ)

+8.91Mn

accumulated since last quarter

Value of Holdings

$1.27Bn

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

Updated Oct 10, 2026

Accelerant Holdings (NYSE:ARX) appeared in the 13F filings of 118 institutional investors for the quarter ended June 30, 2026.

Together they owned 54.52% of the outstanding stock in Q2 2026, up from 47.92% a quarter earlier.
Total holdings of ARX shares rose 16.03% from Q1 2026.
Of the 118 holders of ARX in Q2 2026, 80 added to their positions, 27 reduced their stakes and 11 left their positions unchanged.
Altogether, institutional holders owned 64.48Mn ARX shares at the end of Q2 2026, up 8.91Mn from the prior quarter and up 64.48Mn from a year earlier.
As of June 30, 2026, the biggest holder of Accelerant Holdings was Security Benefit Life Insurance Co with 5.87Mn shares, or 4.96% of shares outstanding.
Holders that added the most shares of Accelerant Holdings in Q2 2026 were FMR LLC (+3.82Mn shares), BlackRock, Inc. (+3.33Mn shares), Goldman Sachs Group Inc (+1.97Mn shares), Azora Capital LP (+1.07Mn shares) and Owls Nest Partners IA, LLC (+1.04Mn shares).
The largest position reductions in ARX for Q2 2026 were by AllianceBernstein L.P. (-1.35Mn shares), Marshall Wace, LLP (-1.16Mn shares), ArrowMark Colorado Holdings LLC (-1.07Mn shares), Qube Research & Technologies Ltd (-691.62K shares) and Susquehanna International Group, LLP (-639.03K shares).
Per Business Quant, the top 10 investors in ARX for the quarter ended June 30, 2026 were Security Benefit Life Insurance Co (5.87Mn shares), FMR LLC (5.63Mn shares), Capital World Investors (4.63Mn shares), Keenan Capital, LLC (3.99Mn shares), American Century Companies Inc (3.88Mn shares), Gilder Gagnon Howe & Co LLC (3.73Mn shares), BlackRock, Inc. (3.5Mn shares), Barings LLC (3.13Mn shares), Azora Capital LP (3.05Mn shares) and Vanguard Portfolio Management LLC (2.42Mn shares).

Form 13F Holdings

118 Institutional Holders

Report period 30 Jun, 2026

Total shares held 64.48Mn

Of outstanding 54.52%

#	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 118 holders