Security key
G00894108
Accelerant Holdings - Class A common shares, $0.0000011951862 par value per share (ARX)
CUSIP: G00894108
Q1 2026 13F Holders as of 31 Mar 2026
- Type / Class
- Equity / Class A common shares, $0.0000011951862 par value per share
- Shares outstanding
- 205,693,984
- Total 13F shares
- 55,573,389
- Share change
- +3,180,259
- Total reported value
- $754,983,423
- Price per share
- $13.36
- Number of holders
- 107
- Value change
- +$27,032,730
- Number of buys
- 62
- Number of sells
- 46
Report period
Q1 2026
Institutions
107
Top holders
10
ARX full security history
Previous quarter: Q4 2025
Accelerant Holdings SEC filings
Accelerant Holdings company facts
Broader feeds
Reporting periods
Holder history for CUSIP G00894108
Recent filing periods:
Top shareholders of ARX - Accelerant Holdings - Class A common shares, $0.0000011951862 par value per share (13F + 13D/G + 3/4/5)
Grouped by holder across the latest SEC ownership disclosures. Ownership % is shown only when it is directly reported or safely comparable across share classes.
Methodology: rows are grouped by holder and ranked first by SEC-reported ownership % when it is safely comparable, then by disclosed holdings value. — indicates unavailable or non-comparable values; "mixed-class rows" means the latest filing spans non-comparable classes.
| Holder | Source | Role / Reporting | Ownership % | Shares | Holdings Value | 12M Net Δ | As of | Details |
|---|---|---|---|---|---|---|---|---|
| ACP Accelerant Holdings, L.P. |
13D/G
|
ACP Insurance Management, LLC |
44%
|
90,916,741
|
$1,353,750,273 | $0 | 30 Sep 2025 | |
| Jeffrey L. Radke |
13D/G
3/4/5
|
RADKE JEFFREY L · Co-Founder, CEO, Director, 10%+ Owner |
30%
|
36,750,813
|
$547,219,606 | $0 | 30 Sep 2025 | |
| Lee-Smith Christopher |
13D/G
3/4/5
|
Co-Founder, Head of Distrib., Director |
17%
|
20,386,940
|
$303,561,537 | $0 | 30 Sep 2025 | |
| ONeill Francis James |
13D/G
3/4/5
|
Co-Founder, Chief U/W Officer |
7%
|
8,079,736
|
$120,307,269 | $0 | 30 Sep 2025 | |
| Capital World Investors |
13F
13D/G
|
Company |
5.1%
from 13D/G
|
5,767,631
|
$94,300,767 | — | 31 Dec 2025 | |
| Jay Michael Green |
3/4/5
|
Chief Financial Officer |
0.57%
|
1,175,589
|
$15,007,216 | -$638,285 | 23 Mar 2026 | |
| Linda Huber |
3/4/5
|
Chief Financial Officer |
0.1%
|
214,408
|
$3,505,570 | — | 31 Mar 2026 | |
| Clifford R. Jenks |
3/4/5
|
General Counsel |
0.04%
|
85,763
|
$1,402,225 | — | 31 Mar 2026 | |
| Samuel Gaynor |
3/4/5
|
Director |
0%
|
7,500
|
$100,773 | +$100,774 | 19 Nov 2025 | |
| SECURITY BENEFIT LIFE INSURANCE CO /KS/ |
13F
|
Company |
2.9%
|
5,866,257
|
$95,913,302 | — | 31 Dec 2025 | |
| GILDER GAGNON HOWE & CO LLC |
13F
|
Company |
1.8%
|
3,703,078
|
$60,545,325 | — | 31 Dec 2025 | |
| Keenan Capital, LLC |
13F
|
Company |
1.5%
|
3,139,980
|
$51,338,673 | — | 31 Dec 2025 | |
| BARINGS LLC |
13F
|
Company |
1.5%
|
3,128,867
|
$41,926,818 | — | 31 Dec 2025 | |
| ALLIANCEBERNSTEIN L.P. |
13F
|
Company |
1.4%
|
2,846,468
|
$46,539,752 | — | 31 Dec 2025 | |
| BALYASNY ASSET MANAGEMENT L.P. |
13F
|
Company |
1.3%
|
2,733,595
|
$44,694,278 | — | 31 Dec 2025 | |
| Azora Capital LP |
13F
|
Company |
1.2%
|
2,439,094
|
$39,879,187 | — | 31 Dec 2025 | |
| VANGUARD GROUP INC |
13F
|
Company |
1.1%
|
2,235,136
|
$36,544,474 | — | 31 Dec 2025 | |
| JPMORGAN CHASE & CO |
13F
|
Company |
0.95%
|
1,952,996
|
$31,931,485 | — | 31 Dec 2025 | |
| FMR LLC |
13F
|
Company |
0.87%
|
1,788,135
|
$29,236,007 | — | 31 Dec 2025 | |
| ArrowMark Colorado Holdings LLC |
13F
|
Company |
0.8%
|
1,644,013
|
$26,879,613 | — | 31 Dec 2025 | |
| Grandeur Peak Global Advisors, LLC |
13F
|
Company |
0.79%
|
1,621,022
|
$26,503,710 | — | 31 Dec 2025 | |
| AMERICAN CENTURY COMPANIES INC |
13F
|
Company |
0.74%
|
1,528,451
|
$24,990,174 | — | 31 Dec 2025 | |
| BAMCO INC /NY/ |
13F
|
Company |
0.59%
|
1,209,114
|
$19,769,014 | — | 31 Dec 2025 | |
| T. Rowe Price Investment Management, Inc. |
13F
|
Company |
0.47%
|
976,086
|
$15,960,000 | — | 31 Dec 2025 | |
| CITADEL ADVISORS LLC |
13F
|
Company |
0.35%
|
715,452
|
$11,697,640 | — | 31 Dec 2025 | |
| NORGES BANK |
13F
|
Company |
0.32%
|
665,076
|
$10,873,993 | — | 31 Dec 2025 | |
| UBS Group AG |
13F
|
Company |
0.26%
|
535,637
|
$8,757,665 | — | 31 Dec 2025 | |
| FRED ALGER MANAGEMENT, LLC |
13F
|
Company |
0.21%
|
439,698
|
$7,189,063 | — | 31 Dec 2025 | |
| MARSHALL WACE, LLP |
13F
|
Company |
0.17%
|
348,147
|
$5,692,204 | — | 31 Dec 2025 | |
| BANK OF AMERICA CORP /DE/ |
13F
|
Company |
0.16%
|
335,739
|
$5,489,333 | — | 31 Dec 2025 | |
| GOLDMAN SACHS GROUP INC |
13F
|
Company |
0.15%
|
302,626
|
$4,947,935 | — | 31 Dec 2025 | |
| BlackRock, Inc. |
13F
|
Company |
0.12%
|
247,656
|
$4,049,176 | — | 31 Dec 2025 | |
| SEVEN GRAND MANAGERS, LLC |
13F
|
Company |
0.1%
|
200,000
|
$3,270,000 | — | 31 Dec 2025 | |
| Squarepoint Ops LLC |
13F
|
Company |
0.1%
|
199,070
|
$3,254,795 | — | 31 Dec 2025 | |
| Lighthouse Investment Partners, LLC |
13F
|
Company |
0.1%
|
198,850
|
$3,251,198 | — | 31 Dec 2025 | |
| Woodline Partners LP |
13F
|
Company |
0.1%
|
197,312
|
$3,226,051 | — | 31 Dec 2025 | |
| MILLENNIUM MANAGEMENT LLC |
13F
|
Company |
0.09%
|
181,647
|
$2,969,928 | — | 31 Dec 2025 | |
| Retirement System Of Texas Teacher |
13F
|
Individual |
0.09%
|
176,043
|
$2,878,303 | — | 31 Dec 2025 | |
| Counterpoint Mutual Funds LLC |
13F
|
Company |
0.09%
|
175,967
|
$2,877,060 | — | 31 Dec 2025 | |
| Lykos Global Management, LP |
13F
|
Company |
0.09%
|
175,000
|
$2,861,250 | — | 31 Dec 2025 | |
| Interval Partners, LP |
13F
|
Company |
0.08%
|
169,348
|
$2,768,840 | — | 31 Dec 2025 | |
| Neuberger Berman Group LLC |
13F
|
Company |
0.08%
|
160,047
|
$2,616,768 | — | 31 Dec 2025 | |
| HEALTHCARE OF ONTARIO PENSION PLAN TRUST FUND |
13F
|
Company |
0.07%
|
150,000
|
$2,452,500 | — | 31 Dec 2025 | |
| Centiva Capital, LP |
13F
|
Company |
0.06%
|
127,605
|
$2,086,342 | — | 31 Dec 2025 | |
| Walleye Capital LLC |
13F
|
Company |
0.06%
|
125,880
|
$2,058,138 | — | 31 Dec 2025 | |
| MORGAN STANLEY |
13F
|
Company |
0.05%
|
108,230
|
$1,769,561 | — | 31 Dec 2025 | |
| XTX Topco Ltd |
13F
|
Company |
0.05%
|
106,248
|
$1,737,155 | — | 31 Dec 2025 | |
| Burkehill Global Management, LP |
13F
|
Company |
0.05%
|
100,000
|
$1,635,000 | — | 31 Dec 2025 | |
| Ghisallo Capital Management LLC |
13F
|
Company |
0.05%
|
100,000
|
$1,635,000 | — | 31 Dec 2025 | |
| G2 Investment Partners Management LLC |
13F
|
Company |
0.05%
|
93,341
|
$1,526,125 | — | 31 Dec 2025 |
Institutional Holders of Accelerant Holdings - Class A common shares, $0.0000011951862 par value per share (ARX) as of Q1 2026
As of 31 Mar 2026,
Accelerant Holdings - Class A common shares, $0.0000011951862 par value per share (ARX) was held by
107 institutional
shareholders
that filed Form 13F with the SEC.
Together, they reported ownership of
55,573,389 shares.
The largest 10 holders included
SECURITY BENEFIT LIFE INSURANCE CO /KS/, Capital World Investors, Keenan Capital, LLC, GILDER GAGNON HOWE & CO LLC, AMERICAN CENTURY COMPANIES INC, BARINGS LLC, ALLIANCEBERNSTEIN L.P., MARSHALL WACE, LLP, VANGUARD PORTFOLIO MANAGEMENT LLC, and JPMORGAN CHASE & CO.
This page lists
107
institutional shareholders reporting positions in this security
for the Q1 2026 filing period.
| Investor | Option | Weight % | Change % | Value $ | * Price | Shares | Share Change | Activity | Report Period |
|---|
Compare Q1 2026 vs Q4 2025 Across Filers
Q4 2025 holders
98
Q1 2026 holders
107
Holder diff
9
| Investor | Q4 2025 Shares | Q1 2026 Shares | Share Diff | Share Chg % | Q4 2025 Value $ | Q1 2026 Value $ | Value Diff $ | Value Chg % |
|---|
Trend: ostatnie 8 kwartałów (+ wybrane okresy porównania).
Quarterly Holders Trend
Quarterly Value Trend
Quarterly Shares Trend
* Reported Price is the price of the security as of the portfolio date. This value is significant in that it is the last known price at which the security was still held.
An asterisk sign (*) next to the price indicates that the price is likely invalid.
An asterisk sign (*) next to the price indicates that the price is likely invalid.