Perimeter Solutions
Supplies wildfire retardants, firefighting services, and specialty industrial products.
$30.54
After-hours close−0.06 (−0.20%)
At close$30.60(−4.46%)
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Breakdown13F · Form 4
Institutions 90.30%147.31M sharesInsiders 7.35%11.99M sharesOther 2.35%3.83M shares
Shares outstanding 163.13M · Float 149.43M · 91.6% free float
Institutions13F, as of Jun 30, 2026
312 holders · 147.31M shares · 64 new positions · 199 increased · 72 reduced · 50 closed
| Holder | Shares | % outstanding | Chg q/q | Filed |
|---|---|---|---|---|
| Windacre Partnership LLC | 16.15M | 9.90% | −5.71M | Aug 14, 2026 |
| Principal Financial Group Inc | 14.01M | 8.59% | +1.49M | Aug 4, 2026 |
| BlackRock, Inc. | 12.17M | 7.46% | +1.34M | Aug 7, 2026 |
| FMR LLC | 9.60M | 5.89% | +563.4K | Aug 13, 2026 |
| Vanguard Capital Management LLC | 6.59M | 4.04% | +411.7K | Aug 13, 2026 |
| Dimensional Fund Advisors LP | 4.32M | 2.65% | −447.7K | Aug 11, 2026 |
| Geode Capital Management, LLC | 4.23M | 2.59% | +433.9K | Aug 12, 2026 |
| Jupiter Topco LLC | 4.13M | 2.53% | +4.13Mnew | Aug 14, 2026 |
Beneficial owners13D/G · 5% or more, as filed
| Holder | % of class | Shares | Form | Filed |
|---|---|---|---|---|
| FMR LLC | 6.70% | 9.76M | 13G | Nov 5, 2025 ↗ |
| William N. Thorndike, Jr. | 5.70% | 9.31M | 13D | Mar 10, 2026 ↗ |
InsidersForm 4
| Insider | Role | Shares | % outstanding | Filed |
|---|---|---|---|---|
| WindAcre Partnership Master Fund, LP | 10 percent owner | 21.85M | 13.40% | Jul 1, 2025 |
| Windacre Partnership LLC | 10 percent owner | 16.15M | 9.90% | Jun 30, 2026 |
| William N. Jr Thorndike | director | 8.54M | 5.23% | Mar 11, 2026 |
| Haitham Khouri | director, officer: Chief Executive Officer | 1.87M | 1.15% | May 22, 2026 |
| Vivek Raj | director | 677.6K | 0.42% | Mar 5, 2026 |
| W. Nicholas Howley | director | 606.2K | 0.37% | Apr 24, 2026 |
| Tracy Britt Cool | director | 250.5K | 0.15% | Mar 5, 2026 |
| Noriko Yokozuka | officer: General Counsel | 47.2K | 0.03% | Dec 16, 2025 |
3 ten-percent owners hold 46.20M shares by Form 4, outside the officers-and-directors figure above · 12 people have not refiled in the last 18 months (2.92M shares), so they are not in the figure above
Latest trades
| Date | Insider | Type | Shares | Avg price | Owned after |
|---|---|---|---|---|---|
| Jun 30, 2026 | Windacre Partnership LLC10 percent owner | Sale | 1,875,000 | $33.90 | 16,148,621 |
| Jun 29, 2026 | Windacre Partnership LLC10 percent owner | Sale | 437,500 | $33.00 | 18,023,621 |
| Jun 26, 2026 | Windacre Partnership LLC10 percent owner | Sale · 5 lots | 3,393,479 | $34.66 | 18,461,121 |
| May 22, 2026 | Haitham Khouridirector, officer: Chief Executive Officer | Sale | 117,511 | $31.19 | 1,874,615 |
| May 21, 2026 | Haitham Khouridirector, officer: Chief Executive Officer | Sale | 91,724 | $31.91 | 1,992,126 |
| May 20, 2026 | Haitham Khouridirector, officer: Chief Executive Officer | Sale | 20,300 | $34.09 | 2,083,850 |
| May 13, 2026 | Jeffrey Emeryofficer: President - Global Fire Safety | Sale | 53,537 | $33.45 | 0 |
| May 13, 2026 | Kyle Sableofficer: Chief Financial Officer | Sale · 2 lots | 49,540 | $33.09 | 0 |
| May 11, 2026 | Kyle Sableofficer: Chief Financial Officer | Sale | 20,460 | $32.89 | 0 |
| May 12, 2026 | Kyle Sableofficer: Chief Financial Officer | Sale | 30,000 | $31.75 | 0 |
CongressHouse and Senate disclosures
Not reported.