Latest Period
Q1 2026
Security Snapshot
Accelerant Holdings - Class A common shares, $0.0000011951862 par value per share (ARX) Institutional Ownership
CUSIP: G00894108
13F Institutional Holders and Ownership History from Q3 2025 to Q1 2026
Institutions Reporting
107
Shares (Excl. Options)
55,573,389
Price
$13.36
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.
- Security type / class
- Equity / Class A common shares, $0.0000011951862 par value per share
- Symbol
- ARX on NYSE
- All holders as of 31 Mar 2026
- Q1 2026
- Total 13F shares
- 55,573,389
- Total 13F value
- $754,983,423
- Portfolio coverage rank
- 0%
- Share change
- +3,180,259
- Value change
- +$27,032,730
- Number of holders
- 107
- Shares outstanding
- 205,693,984
- SEC-reported price per share
- $13.49
- Insider filing price
- $13.49
Latest holder snapshot
5 signals
Issuer context
Names, identifiers, and filing context for this profile.
3 identity fields
13F Shares, Excluding Options vs Price
13F Value, Excluding Options
Total Investors
Key facts
- ARX - Accelerant Holdings - Class A common shares, $0.0000011951862 par value per share is tracked under CUSIP G00894108.
- 107 institutions reported positions in Q1 2026.
- 5 significant owners is listed from Schedule 13D/13G reporting.
Change
- Holder count moved from 98 to 107 between Q4 2025 and Q1 2026.
- SEC-reported value moved from $809,429,011 to $754,983,423.
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
Open SEC evidence
Latest holder context comes from 107 institutions filings for Q1 2026.
Security key
G00894108
Latest holder period
Q1 2026
13F holders
107
13D/G owners
5
CIK / CUSIP context first
Open Q1 2026 holders
ARX full holder history
Accelerant Holdings SEC filings
Accelerant Holdings company facts
Accelerant Holdings insider transactions
Broader feeds
Recent Quarterly Holder Reports
Open recent reporting periods for CUSIP G00894108:
13D/G owners
Significant owners
Large-stake holder rows connected to Schedule 13D/G evidence.
Rows
5
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 | |||
| Capital World Investors | 5.1% | $85,665,892 | 5,753,250 | Capital World Investors | 30 Sep 2025 |
As of 31 Mar 2026, 107 institutional investors reported holding 55,573,389 shares of Accelerant Holdings - Class A common shares, $0.0000011951862 par value per share (ARX). This represents 27% of the company’s total 205,693,984 outstanding shares.
13F concentration
Top 25 institutional shareholders
Largest 13F positions for this security by reported shares and value.
Top holder share
25%
| Institution | Ownership % | Shares Held | Share Change % | Portfolio % | Holdings Value |
|---|---|---|---|---|---|
| SECURITY BENEFIT LIFE INSURANCE CO /KS/ | 2.9% | 5,866,257 | 0% | 41% | $78,373,194 |
| Capital World Investors | 2.5% | 5,152,741 | -11% | 0.01% | $68,840,620 |
| Keenan Capital, LLC | 1.9% | 3,992,923 | +27% | 11% | $53,345,451 |
| GILDER GAGNON HOWE & CO LLC | 1.8% | 3,743,364 | +1.1% | 0.6% | $50,011,343 |
| AMERICAN CENTURY COMPANIES INC | 1.6% | 3,188,505 | +109% | 0.02% | $42,598,427 |
| BARINGS LLC | 1.5% | 3,128,867 | 0% | 0.74% | $46,056,922 |
| ALLIANCEBERNSTEIN L.P. | 1.4% | 2,800,188 | -1.6% | 0.02% | $45,783,074 |
| MARSHALL WACE, LLP | 1.1% | 2,274,152 | +553% | 0.03% | $30,382,671 |
| VANGUARD PORTFOLIO MANAGEMENT LLC | 1% | 2,113,565 | 0% | 0% | $28,237,228 |
| JPMORGAN CHASE & CO | 0.98% | 2,020,368 | +3.4% | 0% | $26,891,099 |
| Azora Capital LP | 0.96% | 1,980,211 | -19% | 1.7% | $26,455,619 |
| VANGUARD CAPITAL MANAGEMENT LLC | 0.94% | 1,938,938 | 0% | 0% | $25,904,212 |
| Cresset Asset Management, LLC | 0.89% | 1,839,620 | 0.11% | $24,577,323 | |
| FMR LLC | 0.88% | 1,812,207 | +1.3% | 0% | $24,211,086 |
| ArrowMark Colorado Holdings LLC | 0.75% | 1,548,224 | -5.8% | 0.55% | $20,684,273 |
| BAMCO INC /NY/ | 0.59% | 1,208,794 | -0.03% | 0.05% | $16,149,488 |
| CITADEL ADVISORS LLC | 0.56% | 1,144,206 | +60% | 0.01% | $15,286,592 |
| T. Rowe Price Investment Management, Inc. | 0.47% | 975,936 | -0.02% | 0.01% | $13,039,000 |
| Qube Research & Technologies Ltd | 0.45% | 930,942 | 0.02% | $12,437,385 | |
| JANE STREET GROUP, LLC | 0.42% | 860,697 | 0.01% | $11,498,912 | |
| SUSQUEHANNA INTERNATIONAL GROUP, LLP | 0.34% | 708,046 | 0.01% | $9,459,495 | |
| UBS Group AG | 0.33% | 685,647 | +28% | 0% | $9,160,244 |
| G2 Investment Partners Management LLC | 0.18% | 372,811 | +299% | 1.2% | $4,980,755 |
| Woodline Partners LP | 0.18% | 367,157 | +86% | 0.02% | $4,905,218 |
| BNP PARIBAS FINANCIAL MARKETS | 0.15% | 305,244 | 0% | 0% | $4,078,060 |
Quarter history
Institutional holders across reporting periods
Holder count, reported shares/value, and median price by quarter.
Periods
3
Latest
Q1 2026
Rows shown
1-3 of 3