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 |
|---|---|---|---|---|---|
| American Century Companies Inc | 3,188,505 | $42.6M | 0.02% | +1,660,054+108.6% | Added |
| Alliancebernstein L.P. | 2,800,188 | $45.8M | 0.01% | −46,280−1.6% | Reduced |
| Barings LLC | 3,128,867 | $46.1M | 0.74% | 00.0% | Unchanged |
| Gilder Gagnon Howe & Co LLC | 3,743,364 | $50.0M | 0.60% | +40,286+1.1% | Added |
| Keenan Capital, LLC | 3,992,923 | $53.3M | 11.26% | +852,943+27.2% | Added |
| Capital World Investors | 5,152,741 | $68.8M | 0.01% | −614,890−10.7% | Reduced |
| Security Benefit Life Insurance Co | 5,866,257 | $78.4M | 41.18% | 00.0% | Unchanged |
| Balyasny Asset Management LLC | 0 | $0 | 0.00% | −2,733,595−100.0% | Sold out |
| Fred Alger Management, LLC | 0 | $0 | 0.00% | −439,698−100.0% | Sold out |
| Teacher Retirement System of Texas | 0 | $0 | 0.00% | −176,043−100.0% | Sold out |
| Counterpoint Mutual Funds LLC | 0 | $0 | 0.00% | −175,967−100.0% | Sold out |
| Lykos Global Management, LP | 0 | $0 | 0.00% | −175,000−100.0% | Sold out |
| Neuberger Berman Group LLC | 0 | $0 | 0.00% | −160,047−100.0% | Sold out |
| Healthcare of Ontario Pension Plan Trust Fund | 0 | $0 | 0.00% | −150,000−100.0% | Sold out |
| Walleye Capital LLC | 0 | $0 | 0.00% | −125,880−100.0% | Sold out |
| Ghisallo Capital Management LLC | 0 | $0 | 0.00% | −100,000−100.0% | Sold out |
| Yorktown Management & Research Co Inc | 0 | $0 | 0.00% | −59,300−100.0% | Sold out |
| D. E. Shaw & Co., Inc. | 0 | $0 | 0.00% | −34,694−100.0% | Sold out |
| PharVision Advisers, LLC | 0 | $0 | 0.00% | −23,839−100.0% | Sold out |
| Gsa Capital Partners LLP | 0 | $0 | 0.00% | −23,518−100.0% | Sold out |
| Crestwood Capital Management, L.P. | 0 | $0 | 0.00% | −20,000−100.0% | Sold out |
| FJ Capital Management LLC | 0 | $0 | 0.00% | −17,973−100.0% | Sold out |
| Quantbot Technologies LP | 0 | $0 | 0.00% | −16,398−100.0% | Sold out |
| Envestnet Asset Management Inc | 0 | $0 | 0.00% | −10,292−100.0% | Sold out |
| Ancora Advisors, LLC | 0 | $0 | 0.00% | −5,300−100.0% | Sold out |
| Acadian Asset Management LLC | 0 | $0 | 0.00% | −5,016−100.0% | Sold out |
| Quarry LP | 0 | $0 | 0.00% | −1,611−100.0% | Sold out |
| HM Payson & Co | 0 | $0 | 0.00% | −419−100.0% | Sold out |
| Steward Partners Investment Advisory, LLC | 0 | $0 | 0.00% | −119−100.0% | Sold out |
| Vanguard Group Inc | – | – | – | – | Not filed |
| Norges Bank | – | – | – | – | Not filed |