PRM — Perimeter Solutions, Inc.

US Materials Chemicals equity mkt cap 5.1B
31.44 +1.19% today
USD · as of 2026-08-21

Price · 2024-08-26 → 2026-08-21

499 daily closes shown
52w low 18.69 · high 37.78

Anonymous view is capped at two years of history. A free account extends it to five, and Pro opens the whole archive back to 2021-11-09.

Performance

1 day+1.19%
1 week-7.26%
1 month-7.69%
3 months+0.13%
6 months+18.02%
Year to date+14.29%
1 year+70.68%
3 years+455.48%

Technicals

RSI 1453.1
vs 50-day avg-8.37%
vs 200-day avg+7.91%
Volatility 1y55.5%
Max drawdown 1y-30.20%
Avg volume 30d1.6M
Daily bars held1,200
History from2021-11-09

Measured signals that fired on PRM

datesignal measured base rate
2026-08-05Fair value gap, bullish
structure
-0.67% over 21 days · t = -6.43 · n = 111,973
statistically distinguishable from its control group
2026-08-03Fair value gap, bearish
structure
-0.45% over 21 days · t = -3.29 · n = 108,591
statistically distinguishable from its control group
2026-07-31Fair value gap, bearish
structure
-0.45% over 21 days · t = -3.29 · n = 108,591
statistically distinguishable from its control group
2026-06-10Fair value gap, bullish
structure
-0.67% over 21 days · t = -6.43 · n = 111,973
statistically distinguishable from its control group
2026-05-22Fair value gap, bearish
structure
-0.45% over 21 days · t = -3.29 · n = 108,591
statistically distinguishable from its control group
2026-05-22Cluster sale: three or more insiders
insider
-0.37% over 21 days · t = -3.38 · n = 21,542
statistically distinguishable from its control group

Excess return against a matched control group, on a point-in-time universe that includes delisted companies. Most families do not survive that. How the measurement works →

Insider transactions (Form 4)

dateinsiderwhatshares pricevalue
2026-06-30WindAcre General Partner LP
10% owner
Open-market sale1.9M33.9063.6M
2026-06-30WAPGP LLC
10% owner
Open-market sale1.9M33.9063.6M
2026-06-30WindAcre Partnership Master Fund, LP
10% owner
Open-market sale1.9M33.9063.6M
2026-06-30WINDACRE PARTNERSHIP LLC
10% owner
Open-market sale1.9M33.9063.6M
2026-06-30Amin Snehal
10% owner
Open-market sale1.9M33.9063.6M
2026-06-30WINDACRE PARTNERSHIP LLC
10% owner
Open-market sale1.9M33.9063.6M
2026-06-29WINDACRE PARTNERSHIP LLC
10% owner
Open-market sale437.5K33.0014.4M
2026-06-29WindAcre General Partner LP
10% owner
Open-market sale437.5K33.0014.4M
2026-06-29Amin Snehal
10% owner
Open-market sale437.5K33.0014.4M
2026-06-29WindAcre Partnership Master Fund, LP
10% owner
Open-market sale437.5K33.0014.4M

Open-market purchases (code P) are the informative ones. Grants, option exercises and tax withholding are compensation mechanics, not decisions. How to read a Form 4 →

Largest institutional holders

managervalueshares
WINDACRE PARTNERSHIP LLC533.7M21.9M
PRINCIPAL FINANCIAL GROUP INC305.6M12.5M
BlackRock, Inc.264.5M10.8M
FMR LLC220.7M9.0M
VANGUARD CAPITAL MANAGEMENT LLC150.8M6.2M
DIMENSIONAL FUND ADVISORS LP116.3M4.8M
JANUS HENDERSON GROUP PLC97.9M4.0M
DF DENT & CO INC96.0M3.9M
GEODE CAPITAL MANAGEMENT, LLC92.7M3.8M
STATE STREET CORP79.2M3.2M

13F positions as of 2026-03-31, filed up to 45 days after quarter end. Long-only US equity — shorts and derivatives never appear. What 13F does and does not show →

Short selling

Avg short volume, 90d58.6% of tape
Days observed61

This is off-exchange short volume, not short interest: it is flow, not position, and 40–50% is normal because market makers short to fill your buy. Why that number misleads →

Ask the AI about PRM

The assistant reads every block on this page — price history, filings, insider transactions, institutional positions, short volume, macro and the measured base rates — and says what it implies, quoting the number behind each claim and declaring what it does not have.

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