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PRM · Perimeter Solutions, Inc. · Shareholders & Ownership

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$27.24 +0.17 (+0.63%) At close · Oct 21
Market Cap
$4.43B
Shares
163.69M
Volume · Oct 21 1.03M Avg daily vol (3M) 1.36M

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 positions

No 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
1
WindAcre Partnership Master Fund, LP
Insider CIK 1893715 · Jun 27, 2025
10% Owner, issuer-wide
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
WINDACRE PARTNERSHIP LLC
Insider CIK 1599383 · Jun 30, 2026
10% Owner, issuer-wide, not summed
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
Thorndike William N Jr
Insider CIK 1437827 · Mar 11, 2026
Director, issuer-wide
8,535,656
6.1
William N. Thorndike, Jr.
13D CIK 1437827 · Unknown · Mar 3, 2026
not summed
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
STATE STREET CORP
13F CIK 93751 · Bank · Jun 30, 2026
carried, not yet filed for the newest quarter
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
Khouri Haitham
Insider CIK 1892618 · May 22, 2026
Director, Chief Executive Officer, issuer-wide
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
Raj Vivek
Insider CIK 1708641 · Mar 3, 2026
Director, issuer-wide
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.

Showing 1–50 of 439 holders

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Key facts CIK 1880319 CUSIP 71385M107 13F (30d) 34 filings 34 filers Visit website Investor relations