NYSE: PRM
Perimeter Solutions Inc Stock Ownership - Who owns Perimeter Solutions?

Insider buying vs selling

Have Perimeter Solutions Inc insiders been buying or selling?

Buy
Sell
NameRoleDateSharesPriceValue
William N. Thorndike Jr.Director2026-03-11100,000$23.18
$2.32MSell
William N. Thorndike Jr.Director2026-03-10100,000$23.63
$2.36MSell
William N. Thorndike Jr.Director2026-03-0934,957$23.85
$833.72kSell
William N. Thorndike Jr.Director2026-03-0990,043$23.18
$2.09MSell
William N. Thorndike Jr.Director2026-03-06100,000$23.63
$2.36MSell
William N. Thorndike Jr.Director2026-03-05100,000$24.06
$2.41MSell
William N. Thorndike Jr.Director2026-03-04125,000$24.26
$3.03MSell
Noriko YokozukaGeneral Counsel2025-12-12137,500$28.44
$3.91MSell
Kyle SableChief Financial Officer2025-12-12100,000$8.36
$836.00kBuy
Kyle SableChief Financial Officer2025-12-12100,000$28.47
$2.85MSell

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Net Insider Buy/Sell (L12M) Ownership

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PRM Shareholders

What type of owners hold Perimeter Solutions Inc stock?

Institutional
Insider
Retail
NameHoldSharesValueType
Windacre Partnership Master Fund LP14.62%21,854,600$543.96MInsider
Windacre Partnership LLC14.62%21,854,600$543.96MInstitution
Principal Financial Group Inc7.28%10,879,001$270.78MInstitution
Blackrock Inc7.27%10,866,996$270.48MInstitution
Fmr LLC5.87%8,769,495$218.27MInstitution
Vanguard Group Inc5.74%8,570,699$213.32MInstitution
William N. Thorndike Jr.5.71%8,535,656$212.45MInsider
Dimensional Fund Advisors LP3.17%4,735,822$117.87MInstitution
Corient Private Wealth LLC2.74%4,094,763$101.92MInstitution
W. Nicholas Howley2.73%4,086,840$101.72MInsider

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PRM vs Specialty Chemical Stocks

TickerInst. %Insider %Net Insider (L12M)Net Insider (L3M)
PRM75.66%24.34%Net SellingNet Selling
CBT71.86%28.14%Net Selling
SXT83.20%16.80%Net SellingNet Selling
OLN79.37%20.63%Net SellingNet Selling
CC90.03%3.12%Net SellingNet Selling

Perimeter Solutions Stock Ownership FAQ

Who owns Perimeter Solutions?

Perimeter Solutions (NYSE: PRM) is owned by 88.46% institutional shareholders, 28.46% Perimeter Solutions insiders, and 0.00% retail investors. Windacre Partnership Master Fund LP is the largest individual Perimeter Solutions shareholder, owning 21.85M shares representing 14.62% of the company. Windacre Partnership Master Fund LP's Perimeter Solutions shares are currently valued at $543.96M.

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