Security Snapshot

Accelerant Holdings - Common Stock (ARX) Institutional Ownership

CUSIP: G00894108

13F Institutional Holders and Ownership History from Q3 2025 to Q3 2026

13F reference period

Q2 2026

Institutions Reporting

116

Shares (Excl. Options)

64,484,068

Price

$11.72

The headline uses the Q2 2026 reference period after its reporting deadline. Available reports may still be incomplete or amended. Newer periods in the history table contain incoming reports and may be incomplete.

Save this security page for your next review

Keep this CUSIP in your watchlists so you can revisit quarter changes from one place. If you create an account from here, we will bring you back after verification.

Create free account and return here Sign in and return here Review latest holder period
Security type / class
Equity / Common Stock
Symbol
ARX on NYSE
All holders as of 30 Jun 2026
Q2 2026
Total 13F shares
64,484,068
Latest holder snapshot 5 signals
Total 13F value
$761,103,177
Portfolio coverage rank
0%
Share change
+8,849,776
Value change
+$95,822,118
Number of holders
116
Issuer context Names, identifiers, and filing context for this profile. 3 identity fields
Shares outstanding
119,382,020
SEC-reported price per share
$19.73
Insider filing price
$19.73
13F Shares, Excluding Options vs Price
13F Value, Excluding Options
Total Investors
Filing notes and source

Key facts

  • ARX - Accelerant Holdings - Common Stock is tracked under CUSIP G00894108.
  • 116 institutions reported positions in Q2 2026.
  • 6 significant owners is listed from Schedule 13D/13G reporting.

Change

  • Holder count moved from 107 to 116 between Q1 2026 and Q2 2026.
  • SEC-reported value moved from $754,983,423 to $761,103,177.

Research use

  • You can quickly see who holds this security, then open quarter and manager detail pages for full evidence.
  • 13F and Schedule 13D/13G sections are kept together so you can cross-check institutional and beneficial ownership context.

Evidence

Source: SEC Form 13F

Latest holder context comes from 116 institutions filings for Q2 2026.

Open SEC evidence

Security key

G00894108

13F reference period

Q2 2026

13F holders

116

13D/G owners

6

CIK / CUSIP context first

Open Q2 2026 holders ARX full holder history Accelerant Holdings SEC filings Accelerant Holdings company facts Accelerant Holdings insider transactions

Broader feeds

Latest 13F filings Latest 13D/G filings All securities

13D/G owners

Significant owners

Large-stake holder rows connected to Schedule 13D/G evidence.

Rows
6
Security
ARX
Filer Ownership Change % Holdings Value Net Change Nb Shares Change % Reporting Name Report Period
ACP Accelerant Holdings, L.P. 44% $1,353,750,273 90,916,741 ACP Insurance Management, LLC 30 Sep 2025
RADKE JEFFREY L 30% $547,219,606 36,750,813 RADKE JEFFREY L 30 Sep 2025
Lee-Smith Christopher 17% $303,561,537 20,386,940 Lee-Smith Christopher 30 Sep 2025
ONeill Francis James 7% $120,307,269 8,079,736 ONeill Francis James 30 Sep 2025
GLAZER CAPITAL, LLC 5% $118,426,964 5,969,101 Glazer Capital, LLC 23 Sep 2026
Capital World Investors 5.1% $85,665,892 5,753,250 Capital World Investors 30 Sep 2025

As of 30 Jun 2026, 116 institutional investors reported holding 64,484,068 shares of Accelerant Holdings - Common Stock (ARX). This represents 54% of the company’s total 119,382,020 outstanding shares.

13F concentration

Top 25 institutional shareholders

Largest 13F positions for this security by reported shares and value.

Top holder share
49%
Institution Ownership % Shares Held Share Change % Portfolio % Holdings Value
SECURITY BENEFIT LIFE INSURANCE CO /KS/ 4.9% 5,866,257 0% 38% $68,752,532
FMR LLC 4.7% 5,628,679 +211% 0% $65,968,117
Capital World Investors 3.9% 4,626,664 -10% 0.01% $54,224,502
Keenan Capital, LLC 3.3% 3,992,923 0% 9.3% $46,797,058
AMERICAN CENTURY COMPANIES INC 3.2% 3,877,619 +22% 0.02% $45,445,695
GILDER GAGNON HOWE & CO LLC 3.1% 3,732,024 -0.3% 0.45% $43,739,321
BlackRock, Inc. 2.9% 3,496,273 +2012% 0% $40,976,318
BARINGS LLC 2.6% 3,128,867 0% 0.67% $37,608,981
Azora Capital LP 2.6% 3,049,846 +54% 1.5% $35,744,195
VANGUARD PORTFOLIO MANAGEMENT LLC 2% 2,418,330 +14% 0% $28,342,828
JPMORGAN CHASE & CO 1.8% 2,176,807 +7.7% 0% $27,493,072
GOLDMAN SACHS GROUP INC 1.7% 2,013,582 +4732% 0% $23,599,181
Cresset Asset Management, LLC 1.5% 1,839,620 0% 0.08% $21,560,346
CITADEL ADVISORS LLC 1.5% 1,747,985 +53% 0.01% $20,486,384
VANGUARD CAPITAL MANAGEMENT LLC 1.4% 1,657,197 -15% 0% $19,422,349
ALLIANCEBERNSTEIN L.P. 1.2% 1,447,153 -48% 0.01% $19,333,964
Owls Nest Partners IA, LLC 1% 1,251,884 +497% 4.8% $14,672,080
MARSHALL WACE, LLP 0.93% 1,109,675 -51% 0.01% $13,005,388
JANE STREET GROUP, LLC 0.8% 952,066 +11% 0.01% $11,158,214
STATE STREET CORP 0.75% 900,775 +2315% 0% $10,557,083
GEODE CAPITAL MANAGEMENT, LLC 0.68% 809,620 0% $9,488,746
G2 Investment Partners Management LLC 0.54% 640,000 +72% 1.4% $7,500,800
BANK OF AMERICA CORP /DE/ 0.51% 603,858 +235% 0% $7,077,216
UBS Group AG 0.46% 554,448 -19% 0% $6,498,131
Walleye Capital LLC 0.45% 541,257 0.03% $6,343,532

Quarter history

Institutional holders across reporting periods

Holder count, reported shares/value, and median price by quarter.

Periods
5
Headline period
Q2 2026
Rows shown
1-5 of 5
Period 13F Shares, Excl. Options Value, Excl. Options Value Change Price (Median) Investors
2026 Q3 3,135,124 $61,855,996 +$111,138 $19.73 11
2026 Q2 64,484,068 $761,103,177 +$95,822,118 $11.72 116
2026 Q1 55,573,389 $754,983,423 +$27,032,730 $13.36 107
2025 Q4 50,070,804 $809,429,011 +$15,544,979 $16.35 98
2025 Q3 49,247,099 $727,965,934 +$727,961,555 $14.89 88
We use cookies and similar technologies to provide certain features, enhance the user experience and, if you allow them, measure engagement and deliver advertising. Analytics and marketing storage stay off until you grant consent. By clicking on "Agree and continue", you declare your consent to the use of the selected optional cookies. Manage preferences to update or revoke optional consent for future visits. For more information, see our Privacy Policy .