PRM · Perimeter Solutions, Inc. · Shareholders & Ownership
Every disclosed holder of PRM in one list: 13F institutions, Schedule 13D and 13G filers, insiders (Forms 3, 4 and 5) and registered funds, each from its own latest filing. Holders nest by CIK and SEC reporting links, never by name, and each is summed once.
Who Owns PRM
13F quarter Sep 30, 2026, combined view: filers that have not filed yet carry their Jun 30, 2026 positionsNo chart: the summed disclosures exceed shares outstanding, so they are not parts of one whole.
| Holder group | Shares | % Out |
|---|---|---|
| Institutional (13F) | 140,240,587 | 85.68% |
| Insiders (Forms 3, 4, 5) | 34,624,515 | 21.15% |
| 13D/G-only blocks | 12,660,093 | 7.73% |
| Remaining | 23,838,272 | -14.56% |
| Registered funds (N-PORT, not summed) | 57,404,337 | 35.07% |
Shares outstanding: 163,686,923, the issuer's latest cover-page count restated onto today's split basis.
Remaining is negative: the summed disclosures exceed shares outstanding, as when filings are dated at different times or holders that do not disclose their links count the same shares. It is flagged, not clipped.
13D/G-only counts each filer's latest 13D or 13G that no 13F report of the listing contains, that names no 13F filer and that no counted insider files. Funds are never summed: their shares sit inside their advisers' 13F reports.
Holders of PRM
| # | Holder | Shares | As of | Notes |
|---|---|---|---|---|
| 1 |
|
21,854,600 | ||
| 2 |
WINDACRE PARTNERSHIP LLC
13F
CIK 1599383 · Registered investment adviser · Jun 30, 2026
carried, not yet filed for the newest quarter
|
16,148,621 | ||
| 2.1 |
|
16,148,621 | ||
| 2.2 |
WINDACRE PARTNERSHIP LLC
13G
CIK 1599383 · Registered investment adviser · Jun 30, 2026
Rule 13d-1(b), qualified institution, not summed
|
16,148,621 | ||
| 3 |
PRINCIPAL FINANCIAL GROUP INC
13F
CIK 1126328 · Insurance company · Jun 30, 2026
carried, not yet filed for the newest quarter
|
14,007,326 | ||
| 3.1 |
PRINCIPAL GLOBAL INVESTORS, LLC
13G
CIK 769734 · Registered investment adviser · Jun 30, 2026
Rule 13d-1(b), qualified institution, not summed
|
13,375,024 | ||
| 3.2 |
MidCap Fund
Fund
S000007075 · Registered fund · Jul 31, 2026
Principal Funds, Inc, not summed
|
9,389,985 | ||
| 3.3 |
SmallCap Fund
Fund
S000007214 · Registered fund · Jul 31, 2026
Principal Funds, Inc, not summed
|
658,000 | ||
| 3.4 |
MidCap Account
Fund
S000007662 · Registered fund · Jun 30, 2026
Principal Variable Contract Funds, Inc, not summed
|
190,183 | ||
| 3.5 |
Principal U.S. Small-Cap ETF
Fund
S000055159 · Registered fund · Jun 30, 2026
Principal Exchange-Traded Funds, not summed
|
147,375 | ||
| 4 |
BlackRock, Inc.
13F
CIK 2012383 · Holding company · Jun 30, 2026
carried, not yet filed for the newest quarter
|
12,170,113 | ||
| 4.1 |
iShares Russell 2000 ETF
Fund
S000004344 · Registered fund · Jun 30, 2026
iShares Trust, not summed
|
3,904,609 | ||
| 4.2 |
iShares Russell 2000 Growth ETF
Fund
S000004343 · Registered fund · Jun 30, 2026
iShares Trust, not summed
|
1,404,291 | ||
| 4.3 |
Master Small Cap Index Series
Fund
S000002716 · Registered fund · Jun 30, 2026
Quantitative Master Series LLC, not summed
|
280,465 | ||
| 4.4 |
iShares U.S. Small-Cap Equity Factor ETF
Fund
S000048624 · Registered fund · Jul 31, 2026
iShares Trust, not summed
|
276,057 | ||
| 4.5 |
iShares Core S&P Total U.S. Stock Market ETF
Fund
S000004317 · Registered fund · Jun 30, 2026
iShares Trust, not summed
|
201,799 | ||
| 5 |
FMR LLC
13F
CIK 315066 · Holding company · Jun 30, 2026
carried, not yet filed for the newest quarter
|
9,602,473 | ||
| 5.1 |
Fidelity Low-Priced Stock Fund
Fund
S000007152 · Registered fund · Jul 31, 2026
Fidelity Puritan Trust, not summed
|
2,206,398 | ||
| 5.2 |
Fidelity Small Cap Index Fund
Fund
S000033638 · Registered fund · Jul 31, 2026
Fidelity Salem Street Trust, not summed
|
1,662,511 | ||
| 5.3 |
Strategic Advisers Fidelity U.S. Total Stock Fund
Fund
S000061481 · Registered fund · May 31, 2026
Fidelity Rutland Square Trust II, not summed
|
834,305 | ||
| 5.4 |
Fidelity Small Cap Growth Fund
Fund
S000007193 · Registered fund · Jul 31, 2026
Fidelity Securities Fund, not summed
|
776,340 | ||
| 5.5 |
Fidelity Extended Market Index Fund
Fund
S000006021 · Registered fund · May 31, 2026
Fidelity Concord Street Trust, not summed
|
721,703 | ||
| 6 |
|
8,535,656 | ||
| 6.1 |
|
9,309,341 | ||
| 7 |
VANGUARD CAPITAL MANAGEMENT LLC
13F
CIK 2100119 · Registered investment adviser · Jun 30, 2026
carried, not yet filed for the newest quarter
|
6,587,147 | ||
| 8 |
Matrix Capital Management Company, LP
13G
CIK 1410830 · Registered investment adviser · Dec 31, 2024
Rule 13d-1(b), qualified institution
|
6,554,000 | ||
| 9 |
Meritage Group LP
13G
CIK 1427119 · Registered investment adviser · Nov 22, 2024
Rule 13d-1(c), passive investor
|
6,106,093 | ||
| 10 |
VANGUARD TOTAL STOCK MARKET INDEX FUND
Fund
S000002848 · Registered fund · Jun 30, 2026
VANGUARD INDEX FUNDS, not summed
|
4,662,386 | ||
| 11 |
DIMENSIONAL FUND ADVISORS LP
13F
CIK 354204 · Registered investment adviser · Jun 30, 2026
carried, not yet filed for the newest quarter
|
4,315,745 | ||
| 11.1 |
Dimensional U.S. Small Cap ETF
Fund
S000070906 · Registered fund · Jul 31, 2026
Dimensional ETF Trust, not summed
|
491,449 | ||
| 11.2 |
U.S. SMALL CAP PORTFOLIO
Fund
S000000971 · Registered fund · Jul 31, 2026
DFA INVESTMENT DIMENSIONS GROUP INC, not summed
|
450,081 | ||
| 11.3 |
U.S. SMALL CAP VALUE PORTFOLIO
Fund
S000000987 · Registered fund · Jul 31, 2026
DFA INVESTMENT DIMENSIONS GROUP INC, not summed
|
360,932 | ||
| 11.4 |
U.S. MICRO CAP PORTFOLIO
Fund
S000000948 · Registered fund · Jul 31, 2026
DFA INVESTMENT DIMENSIONS GROUP INC, not summed
|
293,309 | ||
| 11.5 |
Dimensional U.S. Core Equity 2 ETF
Fund
S000070903 · Registered fund · Jul 31, 2026
Dimensional ETF Trust, not summed
|
290,096 | ||
| 12 |
GEODE CAPITAL MANAGEMENT, LLC
13F
CIK 1214717 · Registered investment adviser · Jun 30, 2026
carried, not yet filed for the newest quarter
|
4,230,528 | ||
| 13 |
Jupiter Topco LLC
13F
CIK 2146052 · Unknown · Jun 30, 2026
carried, not yet filed for the newest quarter
|
4,125,974 | ||
| 14 |
|
3,611,344 | ||
| 14.1 |
STATE STREET SMALL/MID CAP EQUITY INDEX PORTFOLIO
Fund
S000050332 · Registered fund · Jun 30, 2026
STATE STREET INSTITUTIONAL INVESTMENT TRUST, not summed
|
51,400 | ||
| 14.2 |
State Street Total Return V.I.S. Fund
Fund
S000001637 · Registered fund · Jun 30, 2026
STATE STREET VARIABLE INSURANCE SERIES FUNDS INC, not summed
|
3,737 | ||
| 14.3 |
State Street Balanced Index Fund
Fund
S000082802 · Registered fund · Jun 30, 2026
STATE STREET INSTITUTIONAL INVESTMENT TRUST, not summed
|
833 | ||
| 15 |
DF DENT & CO INC
13F
CIK 934999 · Registered investment adviser · Jun 30, 2026
carried, not yet filed for the newest quarter
|
3,322,708 | ||
| 15.1 |
DF DENT SMALL CAP GROWTH FUND
Fund
S000037552 · Registered fund · Jun 30, 2026
FORUM FUNDS, not summed
|
303,190 | ||
| 15.2 |
DF DENT PREMIER GROWTH FUND
Fund
S000004568 · Registered fund · Jun 30, 2026
FORUM FUNDS, not summed
|
121,226 | ||
| 15.3 |
DF DENT MIDCAP GROWTH FUND
Fund
S000033130 · Registered fund · Jun 30, 2026
FORUM FUNDS, not summed
|
41,528 | ||
| 16 |
JPMORGAN CHASE & CO
13F
CIK 19617 · Bank · Jun 30, 2026
carried, not yet filed for the newest quarter
|
3,138,584 | ||
| 17 |
BALANCE CAPITAL PARTNERS L.P.
13F
CIK 2109256 · Registered investment adviser · Jun 30, 2026
carried, not yet filed for the newest quarter
|
2,735,521 | ||
| 18 |
Invesco Ltd.
13F
CIK 914208 · Investment adviser · Jun 30, 2026
carried, not yet filed for the newest quarter
|
2,445,056 | ||
| 18.1 |
Invesco Small Cap Equity Fund
Fund
S000000218 · Registered fund · Jun 30, 2026
AIM Funds Group (Invesco Funds Group), not summed
|
399,853 | ||
| 18.2 |
Invesco RAFI US 1500 Small-Mid ETF
Fund
S000013120 · Registered fund · Jul 31, 2026
Invesco Exchange-Traded Fund Trust, not summed
|
75,734 | ||
| 18.3 |
Invesco Dorsey Wright Basic Materials Momentum ETF
Fund
S000013127 · Registered fund · Jul 31, 2026
Invesco Exchange-Traded Fund Trust, not summed
|
62,817 | ||
| 18.4 |
Invesco V.I. Small Cap Equity Fund
Fund
S000000188 · Registered fund · Jun 30, 2026
AIM Variable Insurance Funds (Invesco Variable Insurance Funds), not summed
|
61,265 | ||
| 18.5 |
Invesco Global Small Cap Equity Fund
Fund
S000000212 · Registered fund · Jun 30, 2026
AIM Funds Group (Invesco Funds Group), not summed
|
46,905 | ||
| 19 |
BROWN BROTHERS HARRIMAN & CO
13F
CIK 14661 · Investment adviser · Jun 30, 2026
carried, not yet filed for the newest quarter
|
2,403,457 | ||
| 20 |
Janus Henderson Venture Fund
Fund
S000010488 · Registered fund · Jun 30, 2026
Janus Investment Fund, not summed
|
2,223,554 | ||
| 21 |
PRICE T ROWE ASSOCIATES INC /MD/
13F
CIK 80255 · Registered investment adviser · Jun 30, 2026
carried, not yet filed for the newest quarter
|
2,052,289 | ||
| 21.1 |
T. Rowe Price New Horizons Fund, Inc.
Fund
S000002106 · Registered fund · Jun 30, 2026
T. ROWE PRICE NEW HORIZONS FUND, INC., not summed
|
1,183,600 | ||
| 21.2 |
T. Rowe Price Small-Cap Value Fund, Inc.
Fund
S000002121 · Registered fund · Jun 30, 2026
T. ROWE PRICE SMALL-CAP VALUE FUND, INC., not summed
|
603,179 | ||
| 21.3 |
T. Rowe Price Small-Cap Index Fund
Fund
S000051327 · Registered fund · Jun 30, 2026
T. ROWE PRICE INDEX TRUST, INC., not summed
|
22,943 | ||
| 21.4 |
T. Rowe Price Extended Equity Market Index Fund
Fund
S000002090 · Registered fund · Jun 30, 2026
T. ROWE PRICE INDEX TRUST, INC., not summed
|
19,823 | ||
| 22 |
|
1,874,615 | ||
| 23 |
FRANKLIN RESOURCES INC
13F
CIK 38777 · Investment adviser · Jun 30, 2026
carried, not yet filed for the newest quarter
|
1,829,951 | ||
| 23.1 |
Putnam Small Cap Growth Fund
Fund
S000000777 · Registered fund · Jun 30, 2026
Putnam Funds Trust, not summed
|
924,975 | ||
| 23.2 |
Putnam Dynamic Asset Allocation Growth Fund
Fund
S000000780 · Registered fund · Jun 30, 2026
Putnam Asset Allocation Funds, not summed
|
31,888 | ||
| 23.3 |
Putnam Dynamic Asset Allocation Balanced Fund
Fund
S000000778 · Registered fund · Jun 30, 2026
Putnam Asset Allocation Funds, not summed
|
21,824 | ||
| 23.4 |
Putnam VT Small Cap Growth Fund
Fund
S000003883 · Registered fund · Jun 30, 2026
Putnam Variable Trust, not summed
|
14,080 | ||
| 23.5 |
Putnam Dynamic Asset Allocation Conservative Fund
Fund
S000000779 · Registered fund · Jun 30, 2026
Putnam Asset Allocation Funds, not summed
|
3,427 | ||
| 24 |
NEUBERGER BERMAN GROUP LLC
13F
CIK 1465109 · Holding company · Jun 30, 2026
carried, not yet filed for the newest quarter
|
1,815,703 | ||
| 24.1 |
Neuberger Genesis Fund
Fund
S000007841 · Registered fund · May 31, 2026
NEUBERGER BERMAN EQUITY FUNDS, not summed
|
835,250 | ||
| 25 |
Senator Investment Group LP
13F
CIK 1443689 · Unknown · Jun 30, 2026
carried, not yet filed for the newest quarter
|
1,795,000 | ||
| 26 |
VANGUARD EXTENDED MARKET INDEX FUND
Fund
S000002841 · Registered fund · Jun 30, 2026
VANGUARD INDEX FUNDS, not summed
|
1,777,235 | ||
| 27 |
MORGAN STANLEY
13F
CIK 895421 · Holding company · Jun 30, 2026
carried, not yet filed for the newest quarter
|
1,742,451 | ||
| 27.1 |
E*TRADE No Fee Total Market Index Fund
Fund
S000090722 · Registered fund · Jul 31, 2026
E Trade Trust, not summed
|
290 | ||
| 28 |
VANGUARD PORTFOLIO MANAGEMENT LLC
13F
CIK 2100121 · Registered investment adviser · Jun 30, 2026
carried, not yet filed for the newest quarter
|
1,705,999 | ||
| 29 |
BANK OF AMERICA CORP /DE/
13F
CIK 70858 · Bank · Jun 30, 2026
carried, not yet filed for the newest quarter
|
1,593,233 | ||
| 30 |
Qube Research & Technologies Ltd
13F
CIK 1729829 · Exempt reporting adviser · Jun 30, 2026
carried, not yet filed for the newest quarter
|
1,539,968 | ||
| 31 |
EQUITABLE TRUST CO
13F
CIK 33250 · Unknown · Sep 30, 2026
|
1,508,866 | ||
| 32 |
PRIMECAP MANAGEMENT CO/CA/
13F
CIK 763212 · Registered investment adviser · Jun 30, 2026
carried, not yet filed for the newest quarter
|
1,496,851 | ||
| 32.1 |
PRIMECAP Odyssey Aggressive Growth Fund
Fund
S000005541 · Registered fund · Jul 31, 2026
PRIMECAP Odyssey Funds, not summed
|
1,098,010 | ||
| 33 |
NORTHERN TRUST CORP
13F
CIK 73124 · Bank · Jun 30, 2026
carried, not yet filed for the newest quarter
|
1,487,785 | ||
| 33.1 |
Small Cap Index Fund
Fund
S000001245 · Registered fund · Jun 30, 2026
Northern Funds, not summed
|
76,907 | ||
| 33.2 |
Small Cap Core Fund
Fund
S000001244 · Registered fund · Jun 30, 2026
Northern Funds, not summed
|
13,323 | ||
| 33.3 |
FlexShares Morningstar US Market Factor Tilt Index Fund
Fund
S000033312 · Registered fund · Jul 31, 2026
FlexShares Trust, not summed
|
6,478 | ||
| 34 |
Driehaus Capital Management LLC
13F
CIK 938206 · Registered investment adviser · Jun 30, 2026
carried, not yet filed for the newest quarter
|
1,327,763 | ||
| 34.1 |
Driehaus Small Cap Growth Fund
Fund
S000058261 · Registered fund · Jun 30, 2026
Driehaus Mutual Funds, not summed
|
210,111 | ||
| 35 |
Focus Partners Wealth
13F
CIK 1542153 · Registered investment adviser · Jun 30, 2026
carried, not yet filed for the newest quarter
|
1,320,613 | ||
| 36 |
CHARLES SCHWAB INVESTMENT MANAGEMENT INC
13F
CIK 884546 · Registered investment adviser · Jun 30, 2026
carried, not yet filed for the newest quarter
|
1,316,589 | ||
| 36.1 |
Schwab U.S. Small-Cap ETF
Fund
S000026636 · Registered fund · May 31, 2026
SCHWAB STRATEGIC TRUST, not summed
|
675,317 | ||
| 36.2 |
Schwab Small-Cap Index Fund
Fund
S000005912 · Registered fund · Jul 31, 2026
SCHWAB CAPITAL TRUST, not summed
|
369,455 | ||
| 36.3 |
Schwab Total Stock Market Index Fund
Fund
S000005913 · Registered fund · Jul 31, 2026
SCHWAB CAPITAL TRUST, not summed
|
95,130 | ||
| 36.4 |
Schwab U.S. Broad Market ETF
Fund
S000026631 · Registered fund · May 31, 2026
SCHWAB STRATEGIC TRUST, not summed
|
80,724 | ||
| 37 |
ARROWSTREET CAPITAL, LIMITED PARTNERSHIP
13F
CIK 1164508 · Registered investment adviser · Jun 30, 2026
carried, not yet filed for the newest quarter
|
1,238,374 | ||
| 38 |
Corient Private Wealth LLC
13F
CIK 1948780 · Registered investment adviser · Jun 30, 2026
carried, not yet filed for the newest quarter
|
1,183,896 | ||
| 39 |
VANGUARD FIDUCIARY TRUST CO
13F
CIK 933478 · Unknown · Jun 30, 2026
carried, not yet filed for the newest quarter
|
1,100,108 | ||
| 40 |
East Coast Asset Management, LLC.
13F
CIK 1579254 · Registered investment adviser · Jun 30, 2026
carried, not yet filed for the newest quarter
|
1,090,264 | ||
| 41 |
T. Rowe Price Investment Management, Inc.
13F
CIK 1897612 · Investment adviser · Jun 30, 2026
carried, not yet filed for the newest quarter
|
1,039,513 | ||
| 42 |
Janus Henderson Triton Fund
Fund
S000010485 · Registered fund · Jun 30, 2026
Janus Investment Fund, not summed
|
1,026,767 | ||
| 43 |
RAYMOND JAMES FINANCIAL INC
13F
CIK 720005 · Unknown · Jun 30, 2026
carried, not yet filed for the newest quarter
|
921,477 | ||
| 43.1 |
Carillon Eagle Small Cap Growth Fund
Fund
S000008482 · Registered fund · Jun 30, 2026
Carillon Series Trust, not summed
|
219,131 | ||
| 44 |
BESSEMER GROUP INC
13F
CIK 1054074 · Unknown · Jun 30, 2026
carried, not yet filed for the newest quarter
|
888,668 | ||
| 44.1 |
Old Westbury Small & Mid Cap Strategies Fund
Fund
S000001857 · Registered fund · Jul 31, 2026
Old Westbury Funds Inc, not summed
|
427,413 | ||
| 44.2 |
Old Westbury Total Equity Fund
Fund
S000090405 · Registered fund · Jul 31, 2026
Old Westbury Funds Inc, not summed
|
24,196 | ||
| 45 |
CREDIT AGRICOLE S A
13F
CIK 1191672 · Unknown · Jun 30, 2026
carried, not yet filed for the newest quarter
|
720,448 | ||
| 46 |
VANGUARD RUSSELL 2000 INDEX FUND
Fund
S000030003 · Registered fund · May 31, 2026
VANGUARD SCOTTSDALE FUNDS, not summed
|
715,144 | ||
| 47 |
Pennant Investors, LP
13F
CIK 1759176 · Unknown · Jun 30, 2026
carried, not yet filed for the newest quarter
|
689,000 | ||
| 48 |
|
677,560 | ||
| 49 |
ENVESTNET ASSET MANAGEMENT INC
13F
CIK 1407543 · Registered investment adviser · Jun 30, 2026
carried, not yet filed for the newest quarter
|
658,988 | ||
| 50 |
JPMorgan Small Cap Equity Fund
Fund
S000002794 · Registered fund · Jun 30, 2026
JPMorgan Trust I, not summed
|
622,402 |
54 more nested rows are not shown here; Every filing lists them all.
Shares are restated onto today's split basis. Change compares each row with the same holder's previous filing in the same source; a dash means there is none to compare. Nested 13D/G, insider and fund rows are not summed, since a 13F report already holds them.
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