Accelerant Holdings Class AARX
13F holders, Q4 2025 (December 31)98holders +10
35new positions
26sold out
6famous investors
$16.17avg. 13F price*
At the end of Q4 2025, 98 institutions reported holding Accelerant Holdings Class A (ARX) in their 13F filings, up 10 from Q3 2025. 35 opened new positions and 26 sold out. The largest holders were Security Benefit Life Insurance Co. ($95.9M), Capital World Investors ($94.3M) and Gilder Gagnon Howe & Co. LLC ($60.5M). 6 famous investors held it, including Ron Baron (0.1% of Baron Capital (BAMCO)'s portfolio), Ken Griffin (0.0% of Citadel Advisors's portfolio) and Chase Coleman (0.0% of Tiger Global Management's portfolio).
- Company
- Accelerant Holdings Class A
- CUSIP
- G00894108
- Latest filing quarter
- Q2 2026
History
Number of 13F holders
Total Exit/New Position Q3 2025 → Q4 2025
| Institutions | Total Value | |
|---|---|---|
| New Positions | 35 | $66.1M |
| Exits | 26 | $61.3M |
All 13F filers, Q3 2025 → Q4 2025: 11,213,357 shares bought and 11,162,685 shares sold, net +50,672 shares. Counts holders who added, trimmed, opened or closed a position; split-adjusted.
Ownership 98 holders
| Security Benefit Life Insurance Co. | 39.96% | No change | 5,866,257 | $95.9M |
| Capital World Investors | 0.01% | Add +0.3% | 5,767,631 | $94.3M |
| Gilder Gagnon Howe & Co. LLC | 0.64% | Reduce -5.0% | 3,703,078 | $60.5M |
| Keenan Capital, LLC | 9.35% | New | 3,139,980 | $51.3M |
| Alliancebernstein L.P. | 0.01% | Add +2.1% | 2,846,468 | $46.5M |
| Balyasny Asset Management L.P. | 0.09% | Add +35.4% | 2,733,595 | $44.7M |
| Barings LLC | 0.80% | No change | 3,128,867 | $41.9M |
| Azora Capital LP | 2.51% | Add +288.9% | 2,439,094 | $39.9M |
| Vanguard Group Inc. | 0.00% | Reduce -0.6% | 2,235,136 | $36.5M |
| JPMorgan Chase & Co. | 0.00% | Add +21.2% | 1,952,996 | $31.9M |
| FMR LLC | 0.00% | Add +220.1% | 1,788,135 | $29.2M |
| ArrowMark Colorado Holdings LLC | 0.59% | Add +59.4% | 1,644,013 | $26.9M |
| Grandeur Peak Global Advisors, LLC | 3.57% | Add +71.4% | 1,621,022 | $26.5M |
| American Century Companies Inc. | 0.01% | Add +67.4% | 1,528,451 | $25.0M |
| Baron Capital (BAMCO) | 0.05% | Reduce -0.8% | 1,209,114 | $19.8M |
| T. Rowe Price Investment Management, Inc. | 0.01% | Reduce -58.6% | 976,086 | $16.0M |
| Citadel Advisors | 0.01% | Reduce -22.4% | 715,452 | $11.7M |
| Norges Bank | 0.00% | — | 665,076 | $10.9M |
| UBS Group AG | 0.00% | Add +331.9% | 535,637 | $8.8M |
| Fred Alger Management, LLC | 0.03% | Reduce -15.6% | 439,698 | $7.2M |
| Marshall Wace, LLP | 0.01% | Add +230.9% | 348,147 | $5.7M |
| Bank of America Corp. | 0.00% | Reduce -34.2% | 335,739 | $5.5M |
| Goldman Sachs Group Inc. | 0.00% | Add +220.8% | 302,626 | $4.9M |
| BlackRock, Inc. | 0.00% | Reduce -89.3% | 247,656 | $4.0M |
| Seven Grand Managers, LLC | 0.25% | No change | 200,000 | $3.3M |
| Squarepoint Ops LLC | 0.01% | Reduce -13.4% | 199,070 | $3.3M |
| Lighthouse Investment Partners, LLC | 0.11% | Add +15.4% | 198,850 | $3.3M |
| Woodline Partners LP | 0.01% | Add +35.7% | 197,312 | $3.2M |
| Millennium Management | 0.00% | Reduce -79.2% | 181,647 | $3.0M |
| Teacher Retirement System of Texas | 0.01% | Add +0.6% | 176,043 | $2.9M |
| Counterpoint Mutual Funds LLC | 0.21% | New | 175,967 | $2.9M |
| Lykos Global Management, LP | 2.02% | — | 175,000 | $2.9M |
| Interval Partners, LP | 0.06% | Reduce -22.0% | 169,348 | $2.8M |
| Neuberger Berman Group LLC | 0.00% | Reduce -78.5% | 160,047 | $2.6M |
| Healthcare of Ontario Pension Plan Trust Fund | 0.00% | No change | 150,000 | $2.5M |
| Centiva Capital, LP | 0.13% | Reduce -15.5% | 127,605 | $2.1M |
| Walleye Capital LLC | 0.01% | Reduce -58.0% | 125,880 | $2.1M |
| Morgan Stanley | 0.00% | Add +20.1% | 108,230 | $1.8M |
| XTX Topco Ltd | 0.05% | Add +66.4% | 106,248 | $1.7M |
| Burkehill Global Management, LP | 0.11% | No change | 100,000 | $1.6M |
| Ghisallo Capital Management LLC | 0.07% | Reduce -76.5% | 100,000 | $1.6M |
| G2 Investment Partners Management LLC | 0.36% | New | 93,341 | $1.5M |
| Swiss National Bank | 0.00% | New | 77,900 | $1.3M |
| Tiger Global Management | 0.00% | No change | 75,000 | $1.2M |
| Renaissance Technologies | 0.00% | New | 72,700 | $1.2M |
| UBS AM, a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC | 0.00% | New | 59,414 | $971K |
| Yorktown Management & Research Co Inc | 0.78% | New | 59,300 | $970K |
| Schonfeld Strategic Advisors LLC | 0.00% | Reduce -63.5% | 57,211 | $935K |
| SummitTX Capital, L.P. | 0.03% | Add +77.9% | 56,780 | $928K |
| Jain Global LLC | 0.01% | Reduce -74.9% | 50,234 | $821K |
| Jefferies Financial Group Inc. | 0.01% | Add +349.8% | 44,980 | $735K |
| Sei Investments Co. | 0.00% | Add +26.6% | 37,902 | $620K |
| BNP Paribas Financial Markets | 0.00% | New | 35,778 | $585K |
| California State Teachers Retirement System | 0.00% | New | 34,972 | $572K |
| D. E. Shaw & Co. | 0.00% | Reduce -77.8% | 34,694 | $567K |
| State Street Corp. | 0.00% | New | 33,554 | $549K |
| Zurcher Kantonalbank (Zurich Cantonalbank) | 0.00% | New | 32,300 | $528K |
| Hudson Bay Capital Management LP | 0.00% | Reduce -61.7% | 32,250 | $527K |
| Legal & General Group Plc | 0.00% | Add +202.7% | 30,271 | $495K |
| Boothbay Fund Management, LLC | 0.01% | New | 26,000 | $425K |
| State of Wisconsin Investment Board | 0.00% | New | 25,269 | $413K |
| PharVision Advisers, LLC | 0.20% | Add +46.5% | 23,839 | $390K |
| Gsa Capital Partners LLP | 0.03% | New | 23,518 | $385K |
| Janus Henderson Group PLC | 0.00% | Reduce -95.7% | 23,500 | $384K |
| Natixis Advisors, LLC | 0.00% | New | 23,347 | $382K |
| Crestwood Capital Management, L.P. | 0.21% | No change | 20,000 | $327K |
| FJ Capital Management LLC | 0.03% | New | 17,973 | $294K |
| Quadrature Capital Ltd | 0.00% | Reduce -76.6% | 16,563 | $271K |
| Quantbot Technologies LP | 0.01% | New | 16,398 | $268K |
| Northern Trust Corp. | 0.00% | New | 14,819 | $242K |
| Landscape Capital Management, L.L.C. | 0.01% | New | 12,888 | $211K |
| Arizona State Retirement System | 0.00% | New | 10,855 | $177K |
| Barclays PLC | 0.00% | New | 10,375 | $170K |
| Envestnet Asset Management Inc. | 0.00% | Reduce -7.1% | 10,292 | $168K |
| Wesbanco Bank Inc. | 0.00% | New | 10,000 | $164K |
| KLP Kapitalforvaltning As | 0.00% | New | 8,500 | $139K |
| Cwm, LLC | 0.00% | New | 6,666 | $109K |
| Ancora Advisors LLC | 0.00% | New | 5,300 | $87K |
| Royal Bank of Canada | 0.00% | Reduce -96.6% | 5,144 | $84K |
| Citigroup Inc. | 0.00% | New | 5,080 | $83K |
| Acadian Asset Management LLC | 0.00% | New | 5,016 | $82K |
| PNC Financial Services Group, Inc. | 0.00% | Add +25.6% | 3,546 | $58K |
| Quarry LP | 0.00% | Reduce -40.3% | 1,611 | $26K |
| Simplex Trading, LLC | 0.00% | New | 1,564 | $26K |
| Parallel Advisors, LLC | 0.00% | New | 666 | $11K |
| First Horizon Corp. | 0.00% | Add +119.4% | 645 | $11K |
| HM Payson & Co. | 0.00% | New | 419 | $7K |
| Osaic Holdings, Inc. | 0.00% | Add +218.4% | 398 | $7K |
| Farther Finance Advisors, LLC | 0.00% | New | 154 | $3K |
| National Bank of Canada | 0.00% | New | 144 | $2K |
| Rachor Investment Advisory Services, LLC | 0.00% | — | 135 | $2K |
| Steward Partners Investment Advisory, LLC | 0.00% | Reduce -64.5% | 119 | $2K |
| SBI Securities Co., Ltd. | 0.00% | Reduce -39.5% | 101 | $2K |
| Tower Research Capital LLC (TRC) | 0.00% | Reduce -95.0% | 93 | $2K |
| MAI Capital Management | 0.00% | New | 57 | $932 |
| Jones Financial Companies LLLP | 0.00% | New | 18 | $294 |
| GAMMA Investing LLC | 0.00% | New | 9 | $147 |
| Rakuten Securities, Inc. | 0.00% | No change | 1 | $16 |
"% of holder's portfolio" is ARX's weight in each manager's 13F, not the share of Accelerant Holdings Class A the manager owns.