Accelerant Holdings
ARX- Exchange
- NYSE
- Industry
- Insurance Agents, Brokers & Service
- SEC CIK
- 0001997350
In the last 90 days, Accelerant Holdings insiders filed 0 open-market purchases and 12 sales; 116 institutions reported holding it in 13F filings for Q2 2026, worth $761.1M in total; Tiger Global Management is the only superinvestor holding it.
13F holders, Q1 2026
Institutional positions in Accelerant Holdings as of Mar 31, 2026. Investment managers with $100 million or more in US stocks report their long positions on Form 13F within 45 days after each quarter ends. How 13F works
- Institutional holders
- 107
- +11 vs. Q4 2025
- Shares held
- 55.6M
- +8.40M (+17.8%) vs. Q4 2025
- Total value
- $755.0M
- −$7.03M (−0.9%) vs. Q4 2025
- New holders
- 33
- 36 more added
- Sold out
- 22
- 23 more reduced
2 institutions that held it in Q4 2025 haven't filed for Q1 2026 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q4 2025: new holders, sold out and not filed yet
Holders and value by quarter
Institutions reporting ARX on Form 13F each quarter since Q1 2021, and the total value they reported. Values are as of each quarter end, so they also move with the share price.
| Quarter | Holders | Value |
|---|---|---|
| Q2 2026 | 116 | $761.1M |
| Q1 2026 | 107 | $755.0M |
| Q4 2025 | 98 | $809.4M |
| Q3 2025 | 88 | $728.0M |
| Q2 2025 | 0 | $0 |
| Q1 2025 | 0 | $0 |
| Q4 2024 | 0 | $0 |
| Q3 2024 | 0 | $0 |
| Q2 2024 | 0 | $0 |
| Q1 2024 | 0 | $0 |
| Q4 2023 | 0 | $0 |
| Q3 2023 | 0 | $0 |
| Q2 2023 | 0 | $0 |
| Q1 2023 | 0 | $0 |
| Q4 2022 | 0 | $0 |
| Q3 2022 | 0 | $0 |
| Q2 2022 | 0 | $0 |
| Q1 2022 | 0 | $0 |
| Q4 2021 | 0 | $0 |
| Q3 2021 | 0 | $0 |
| Q2 2021 | 0 | $0 |
| Q1 2021 | 0 | $0 |
Institutions, Q1 2026
Shares, value and share of portfolio for each institution holding Accelerant Holdings; share changes are against Q4 2025.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Security Benefit Life Insurance Co | 5,866,257 | $78.4M | 41.18% | 00.0% | Unchanged |
| Capital World Investors | 5,152,741 | $68.8M | 0.01% | −614,890−10.7% | Reduced |
| Keenan Capital, LLC | 3,992,923 | $53.3M | 11.26% | +852,943+27.2% | Added |
| Gilder Gagnon Howe & Co LLC | 3,743,364 | $50.0M | 0.60% | +40,286+1.1% | Added |
| Barings LLC | 3,128,867 | $46.1M | 0.74% | 00.0% | Unchanged |
| Alliancebernstein L.P. | 2,800,188 | $45.8M | 0.01% | −46,280−1.6% | Reduced |
| American Century Companies Inc | 3,188,505 | $42.6M | 0.02% | +1,660,054+108.6% | Added |
| Marshall Wace, LLP | 2,274,152 | $30.4M | 0.03% | +1,926,005+553.2% | Added |
| Vanguard Portfolio Management LLC | 2,113,565 | $28.2M | 0.00% | +2,113,565 | New |
| JPMorgan Chase & Co | 2,020,368 | $26.9M | 0.00% | +67,372+3.4% | Added |
| Azora Capital LP | 1,980,211 | $26.5M | 1.74% | −458,883−18.8% | Reduced |
| Vanguard Capital Management LLC | 1,938,938 | $25.9M | 0.00% | +1,938,938 | New |
| Cresset Asset Management, LLC | 1,839,620 | $24.6M | 0.11% | +1,839,620 | New |
| FMR LLC | 1,812,207 | $24.2M | 0.00% | +24,072+1.3% | Added |
| ArrowMark Colorado Holdings LLC | 1,548,224 | $20.7M | 0.55% | −95,789−5.8% | Reduced |
| Bamco Inc | 1,208,794 | $16.1M | 0.05% | −3200.0% | Reduced |
| Citadel Advisors LLC | 1,144,206 | $15.3M | 0.01% | +428,754+59.9% | Added |
| T. Rowe Price Investment Management, Inc. | 975,936 | $13.0M | 0.01% | −1500.0% | Reduced |
| Qube Research & Technologies Ltd | 930,942 | $12.4M | 0.02% | +930,942 | New |
| Jane Street Group, LLC | 860,697 | $11.5M | 0.01% | +860,697 | New |
| Susquehanna International Group, LLP | 708,046 | $9.46M | 0.01% | +708,046 | New |
| UBS Group AG | 685,647 | $9.16M | 0.00% | +150,010+28.0% | Added |
| G2 Investment Partners Management LLC | 372,811 | $4.98M | 1.23% | +279,470+299.4% | Added |
| Woodline Partners LP | 367,157 | $4.91M | 0.02% | +169,845+86.1% | Added |
| BNP Paribas Arbitrage, SA | 305,244 | $4.08M | 0.00% | +269,466+753.2% | Added |
| Morgan Stanley | 287,175 | $3.84M | 0.00% | +178,945+165.3% | Added |
| Renaissance Technologies LLC | 276,600 | $3.70M | 0.01% | +203,900+280.5% | Added |
| XTX Topco Ltd | 237,669 | $3.18M | 0.06% | +131,421+123.7% | Added |
| Squarepoint Ops LLC | 212,791 | $2.84M | 0.01% | +13,721+6.9% | Added |
| Owls Nest Partners IA, LLC | 209,707 | $2.80M | 0.98% | +209,707 | New |
| Seven Grand Managers, LLC | 200,000 | $2.67M | 0.18% | 00.0% | Unchanged |
| Bank of America Corp | 180,186 | $2.41M | 0.00% | −155,553−46.3% | Reduced |
| Point72 Asset Management, L.P. | 166,692 | $2.23M | 0.00% | +166,692 | New |
| BlackRock, Inc. | 165,564 | $2.21M | 0.00% | −82,092−33.1% | Reduced |
| Cannell Capital LLC | 156,149 | $2.09M | 1.35% | +156,149 | New |
| Militia Capital Management LLC | 150,000 | $2.00M | 0.45% | +150,000 | New |
| Trexquant Investment LP | 149,119 | $1.99M | 0.01% | +149,119 | New |
| Robertson Opportunity Capital, LLC | 135,012 | $1.80M | 0.69% | +135,012 | New |
| Millennium Management LLC | 125,068 | $1.67M | 0.00% | −56,579−31.1% | Reduced |
| Schonfeld Strategic Advisors LLC | 113,795 | $1.52M | 0.01% | +56,584+98.9% | Added |
| Burkehill Global Management, LP | 100,000 | $1.34M | 0.07% | 00.0% | Unchanged |
| Jain Global LLC | 86,418 | $1.15M | 0.01% | +36,184+72.0% | Added |
| Lighthouse Investment Partners, LLC | 85,406 | $1.14M | 0.04% | −113,444−57.1% | Reduced |
| UBS Asset Management Americas Inc | 82,680 | $1.10M | 0.00% | +23,266+39.2% | Added |
| Boothbay Fund Management, LLC | 78,677 | $1.05M | 0.02% | +52,677+202.6% | Added |
| Swiss National Bank | 77,900 | $1.04M | 0.00% | 00.0% | Unchanged |
| Tiger Global Management LLCSuperinvestorTiger Global Management | 75,000 | $1.00M | 0.00% | 00.0% | Unchanged |
| SEI Investments Co | 73,935 | $987.8K | 0.00% | +36,033+95.1% | Added |
| SummitTX Capital, L.P. | 62,999 | $841.7K | 0.03% | +6,219+11.0% | Added |
| Hudson Bay Capital Management LP | 55,276 | $738.5K | 0.00% | +23,026+71.4% | Added |
| Brevan Howard Capital Management LP | 54,416 | $727.0K | 0.01% | +54,416 | New |
| State of Wisconsin Investment Board | 53,463 | $714.3K | 0.00% | +28,194+111.6% | Added |
| Interval Partners, LP | 49,534 | $661.8K | 0.02% | −119,814−70.8% | Reduced |
| Vanguard Fiduciary Trust Co | 47,960 | $640.7K | 0.00% | +47,960 | New |
| Barclays PLC | 46,693 | $623.8K | 0.00% | +36,318+350.1% | Added |
| Engineers Gate Manager LP | 44,016 | $588.1K | 0.01% | +44,016 | New |
| Jump Financial, LLC | 44,005 | $587.9K | 0.01% | +44,005 | New |
| Goldman Sachs Group Inc | 41,669 | $556.7K | 0.00% | −260,957−86.2% | Reduced |
| Grandeur Peak Global Advisors, LLC | 39,573 | $528.7K | 0.12% | −1,581,449−97.6% | Reduced |
| Jefferies Financial Group Inc. | 39,178 | $523.4K | 0.01% | −5,802−12.9% | Reduced |
| Aquatic Capital Management LLC | 37,435 | $500.1K | 0.01% | +37,435 | New |
| State Street Corp | 37,306 | $498.4K | 0.00% | +3,752+11.2% | Added |
| Bank of New York Mellon Corp | 36,556 | $488.4K | 0.00% | +36,556 | New |
| California State Teachers Retirement System | 34,972 | $467.2K | 0.00% | 00.0% | Unchanged |
| Catalyst Funds Management Pty Ltd | 34,900 | $466.3K | 0.08% | +34,900 | New |
| Zurcher Kantonalbank (Zurich Cantonalbank) | 32,300 | $431.5K | 0.00% | 00.0% | Unchanged |
| Wells Fargo & Company | 28,850 | $385.4K | 0.00% | +28,850 | New |
| Quadrature Capital Ltd | 28,000 | $374.1K | 0.00% | +11,437+69.1% | Added |
| Vanguard Asset Management, Ltd | 26,856 | $358.8K | 0.00% | +26,856 | New |
| Landscape Capital Management, L.L.C. | 26,768 | $357.6K | 0.02% | +13,880+107.7% | Added |
| Janus Henderson Group PLC | 23,500 | $314.5K | 0.00% | 00.0% | Unchanged |
| Centiva Capital, LP | 20,443 | $273.1K | 0.01% | −107,162−84.0% | Reduced |
| Legal & General Group Plc | 19,167 | $256.1K | 0.00% | −11,104−36.7% | Reduced |
| Entropy Technologies, LP | 17,909 | $239.3K | 0.01% | +17,909 | New |
| Northern Trust Corp | 16,419 | $219.4K | 0.00% | +1,600+10.8% | Added |
| Natixis Advisors, L.P. | 15,470 | $207.0K | 0.00% | −7,877−33.7% | Reduced |
| Man Group plc | 14,144 | $189.0K | 0.00% | +14,144 | New |
| Winton Group Ltd | 13,800 | $184.4K | 0.01% | +13,800 | New |
| Jones Financial Companies LLLP | 14,118 | $183.7K | 0.00% | +14,100+78,333.3% | Added |
| Graham Capital Management, L.P. | 13,622 | $182.0K | 0.01% | +13,622 | New |
| LMR Partners LLP | 11,672 | $155.9K | 0.00% | +11,672 | New |
| Tower Research Capital LLC (TRC) | 11,392 | $152.2K | 0.00% | +11,299+12,149.5% | Added |
| Arizona State Retirement System | 10,838 | $144.8K | 0.00% | −17−0.2% | Reduced |
| Vanguard Investments Australia, Ltd. | 10,677 | $142.6K | 0.00% | +10,677 | New |
| Manufacturers Life Insurance Company, The | 10,229 | $136.7K | 0.00% | +10,229 | New |
| Arcus Capital Partners, LLC | 10,100 | $134.9K | 0.05% | +10,100 | New |
| Wesbanco Bank Inc | 10,000 | $133.6K | 0.00% | 00.0% | Unchanged |
| KLP Kapitalforvaltning AS | 8,500 | $113.6K | 0.00% | 00.0% | Unchanged |
| Royal Bank of Canada | 7,729 | $103.0K | 0.00% | +2,585+50.3% | Added |
| CWM, LLC | 6,666 | $89.1K | 0.00% | 00.0% | Unchanged |
| The PNC Financial Services Group, Inc. | 6,157 | $82.3K | 0.00% | +2,611+73.6% | Added |
| Citigroup Inc | 3,833 | $51.2K | 0.00% | −1,247−24.5% | Reduced |
| Advisor Group Holdings, Inc. | 3,498 | $46.7K | 0.00% | +3,100+778.9% | Added |
| State of Wyoming | 2,075 | $27.7K | 0.00% | +2,075 | New |
| Federation des caisses Desjardins du Quebec | 750 | $10.0K | 0.00% | +750 | New |
| First Horizon Corp | 677 | $9.04K | 0.00% | +32+5.0% | Added |
| Parallel Advisors, LLC | 666 | $8.90K | 0.00% | 00.0% | Unchanged |
| Simplex Trading, LLC | 558 | $7.45K | 0.00% | −1,006−64.3% | Reduced |
| Rachor Investment Advisory Services, LLC | 209 | $2.79K | 0.00% | +74+54.8% | Added |
| SJS Investment Consulting Inc. | 164 | $2.19K | 0.00% | +164 | New |