Ranked by reported Q1 2026 13F market value
Share of total reported institutional value in PRM held by the largest 10 / 25 filers.
| # | Institution | Shares Held | Market Value | QoQ Change | Ownership % | % of Fund |
|---|---|---|---|---|---|---|
| 1 | WINDACRE PARTNERSHIP LLC | 21.9M | $533.7M | 0.0% | 13.397% | 5.71% |
| 2 | PRINCIPAL FINANCIAL GROUP INC | 12.5M | $305.6M | +15.0% | 7.671% | 0.16% |
| 3 | BlackRock, Inc. | 10.8M | $264.5M | -0.4% | 6.639% | 0.00% |
| 4 | FMR LLC | 9.0M | $220.7M | +3.1% | 5.541% | 0.01% |
| 5 | VANGUARD CAPITAL MANAGEMENT LLC | 6.2M | $150.8M | — | 3.786% | 0.00% |
| 6 | DIMENSIONAL FUND ADVISORS LP | 4.8M | $116.3M | +0.6% | 2.920% | 0.02% |
| 7 | JANUS HENDERSON GROUP PLC | 4.0M | $97.9M | +8.6% | 2.457% | 0.05% |
| 8 | GEODE CAPITAL MANAGEMENT, LLC | 3.8M | $92.7M | +10.9% | 2.327% | 0.01% |
| 9 | STATE STREET CORP | 3.2M | $79.2M | +1.4% | 1.989% | 0.00% |
| 10 | BALANCE CAPITAL PARTNERS L.P. | 2.7M | $66.8M | +9.0% | 1.677% | 75.96% |
| 11 | BROWN BROTHERS HARRIMAN & CO | 2.6M | $63.7M | +15.5% | 1.599% | 0.34% |
| 12 | Corient Private Wealth LLC | 1.9M | $46.4M | -7.7% | 1.165% | 0.07% |
| 13 | MORGAN STANLEY | 1.9M | $45.8M | +21.9% | 1.150% | 0.00% |
| 14 | BANK OF AMERICA CORP /DE/ | 1.7M | $42.4M | +4.8% | 1.065% | 0.00% |
| 15 | EQUITABLE TRUST CO | 1.7M | $40.4M | -13.7% | 1.013% | 1.86% |
| 16 | PRIMECAP MANAGEMENT CO/CA/ | 1.6M | $39.9M | -0.6% | 1.002% | 0.03% |
| 17 | ARROWSTREET CAPITAL, LIMITED PARTNERSHIP | 1.6M | $39.7M | -23.7% | 0.997% | 0.02% |
| 18 | VANGUARD PORTFOLIO MANAGEMENT LLC | 1.4M | $35.3M | — | 0.887% | 0.00% |
| 19 | NORTHERN TRUST CORP | 1.4M | $34.4M | +3.0% | 0.863% | 0.00% |
| 20 | East Coast Asset Management, LLC. | 1.4M | $33.2M | -0.6% | 0.832% | 10.93% |
| 21 | CHARLES SCHWAB INVESTMENT MANAGEMENT INC | 1.1M | $28.1M | -1.8% | 0.705% | 0.00% |
| 22 | Focus Partners Wealth | 1.1M | $26.2M | +131.0% | 0.657% | 0.03% |
| 23 | Invesco Ltd. | 1.1M | $25.7M | -18.8% | 0.645% | 0.00% |
| 24 | GOLDMAN SACHS GROUP INC | 981K | $23.9M | +51.4% | 0.601% | 0.00% |
| 25 | Pennant Investors, LP | 938K | $22.9M | -21.3% | 0.575% | 6.35% |
denotes a marquee investor (Buffett, Burry, ARK, Tiger Global, Pershing Square, Baupost and other widely-followed managers). “% of Fund” shows how much of that investor’s total 13F portfolio is invested in PRM — a direct measure of their conviction.
Filings activity in PRM during Q1 2026, grouped by how each filer changed its position.
6 quarters of 13F filings · Δ columns show change vs prior quarter
| Quarter | Inst. Holders | Δ Holders | Ownership % | Δ Ownership | Total 13F Value | Δ Value |
|---|---|---|---|---|---|---|
| Q1 2026 | 284 | +1.8% | 50.62% | 7.58 pp | $2.93B | 13% |
| Q4 2025 | 279 | +21% | 58.20% | +11.98 pp | $3.37B | +26% |
| Q3 2025 | 231 | +11% | 46.22% | +16.88 pp | $2.67B | +58% |
| Q2 2025 | 208 | 4.1% | 29.34% | +8.95 pp | $1.70B | +44% |
| Q1 2025 | 217 | +10% | 20.39% | 6.12 pp | $1.18B | 23% |
| Q4 2024 | 197 | — | 26.51% | — | $1.53B | — |
Source: SEC 13F institutional filings. Ownership % requires market cap data and will show once linked. Δ columns compare to the immediately prior filed quarter.
Quick answers to the most common questions about buying PRM stock.
Based on Q1 2026 13F filings, institutional ownership of Perimeter Solutions, Inc. stands at 50.6%, held across 284 reporting institutions.
WINDACRE PARTNERSHIP LLC is the largest reported institutional holder of PRM, with approximately 21,854,600 shares worth $0.53B as of Q1 2026.
No marquee "smart money" managers (Berkshire, Burry, ARK, Tiger Global, Pershing Square, Baupost, etc.) currently appear among the top 25 institutional holders of PRM.
Our composite Smart Money Score for PRM is 28 out of 100 (Bearish). It combines net institutional buying activity, ownership shift, marquee investor presence, and holder-count growth.
58 institutions opened new positions in PRM during Q1 2026, while 53 fully exited. 66 added to existing positions and 158 trimmed.
PRM institutional ownership fell by 7.58 percentage points quarter-over-quarter, with a net change of +5 holders.
The top 10 institutions account for 65.8% of all reported 13F value in PRM, and the top 25 account for 84.6%.
All data is sourced from SEC Form 13F filings, which institutional investment managers with at least $100M in assets are required to file each quarter. We process every 13F filing from EDGAR and recompute the aggregates after each cycle. Insider transactions are sourced from Form 4 filings.
Perimeter Solutions, Inc. (PRM) Institutional Ownership