MSA · MSA Safety Inc · Shareholders & Ownership
Every disclosed holder of MSA 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 MSA
13F quarter Sep 30, 2026, combined view: filers that have not filed yet carry their Jun 30, 2026 positions| Holder group | Shares | % Out |
|---|---|---|
| Institutional (13F) | 35,172,881 | 91.17% |
| Insiders (Forms 3, 4, 5) | 0 | 0.00% |
| 13D/G-only blocks | 1,883,612 | 4.88% |
| Remaining | 1,521,796 | 3.94% |
| Registered funds (N-PORT, not summed) | 15,298,355 | 39.66% |
Shares outstanding: 38,578,289, the issuer's latest cover-page count restated onto today's split basis.
Insiders are listed but not summed: the issuer has more than one class of common stock and Forms 3, 4 and 5 report one issuer-wide balance across them.
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 MSA
| # | Holder | Shares | As of | Notes |
|---|---|---|---|---|
| 1 |
BlackRock, Inc.
13F
CIK 2012383 · Holding company · Jun 30, 2026
carried, not yet filed for the newest quarter
|
3,331,741 | ||
| 1.1 |
iShares Core S&P Mid-Cap ETF
Fund
S000004307 · Registered fund · Jun 30, 2026
iShares Trust, not summed
|
1,242,221 | ||
| 1.2 |
iShares Russell Mid-Cap ETF
Fund
S000004338 · Registered fund · Jun 30, 2026
iShares Trust, not summed
|
149,388 | ||
| 1.3 |
iShares S&P Mid-Cap 400 Growth ETF
Fund
S000004308 · Registered fund · Jun 30, 2026
iShares Trust, not summed
|
130,032 | ||
| 1.4 |
iShares Russell 1000 Value ETF
Fund
S000004345 · Registered fund · Jun 30, 2026
iShares Trust, not summed
|
81,386 | ||
| 1.5 |
iShares S&P Mid-Cap 400 Value ETF
Fund
S000004309 · Registered fund · Jun 30, 2026
iShares Trust, not summed
|
72,686 | ||
| 2 |
APG Asset Management US Inc.
13G
CIK 1323255 · Registered investment adviser · Dec 31, 2024
Rule 13d-1(b), qualified institution
|
1,883,612 | ||
| 3 |
VANGUARD PORTFOLIO MANAGEMENT LLC
13F
CIK 2100121 · Registered investment adviser · Jun 30, 2026
carried, not yet filed for the newest quarter
|
1,828,682 | ||
| 4 |
Ruane, Cunniff & Goldfarb L.P.
13F
CIK 1720792 · Registered investment adviser · Jun 30, 2026
carried, not yet filed for the newest quarter
|
1,721,415 | ||
| 4.1 |
Sequoia Fund Inc
Fund
S000012155 · Registered fund · Jun 30, 2026
Sequoia Fund Inc, not summed
|
672,227 | ||
| 5 |
VANGUARD CAPITAL MANAGEMENT LLC
13F
CIK 2100119 · Registered investment adviser · Jun 30, 2026
carried, not yet filed for the newest quarter
|
1,708,900 | ||
| 6 |
|
1,626,476 | ||
| 6.1 |
State Street(R) SPDR(R) S&P(R) Dividend ETF
Fund
S000006981 · Registered fund · Jun 30, 2026
SPDR SERIES TRUST, not summed
|
357,690 | ||
| 6.2 |
State Street(R) SPDR(R) Portfolio S&P 400(TM) Mid Cap ETF
Fund
S000006986 · Registered fund · Jun 30, 2026
SPDR SERIES TRUST, not summed
|
183,691 | ||
| 6.3 |
State Street Institutional Small-Cap Equity Fund
Fund
S000001631 · Registered fund · Jun 30, 2026
STATE STREET INSTITUTIONAL FUNDS, not summed
|
43,865 | ||
| 6.4 |
State Street(R) SPDR(R) S & P 400(TM) Mid Cap Growth ETF
Fund
S000006987 · Registered fund · Jun 30, 2026
SPDR SERIES TRUST, not summed
|
33,827 | ||
| 6.5 |
State Street(R) SPDR(R) S & P 400(TM) Mid Cap Value ETF
Fund
S000006988 · Registered fund · Jun 30, 2026
SPDR SERIES TRUST, not summed
|
22,470 | ||
| 7 |
VANGUARD TOTAL STOCK MARKET INDEX FUND
Fund
S000002848 · Registered fund · Jun 30, 2026
VANGUARD INDEX FUNDS, not summed
|
1,223,635 | ||
| 8 |
VANGUARD SMALL-CAP INDEX FUND
Fund
S000002845 · Registered fund · Jun 30, 2026
VANGUARD INDEX FUNDS, not summed
|
885,657 | ||
| 9 |
JPMORGAN CHASE & CO
13F
CIK 19617 · Bank · Jun 30, 2026
carried, not yet filed for the newest quarter
|
796,788 | ||
| 10 |
DIMENSIONAL FUND ADVISORS LP
13F
CIK 354204 · Registered investment adviser · Jun 30, 2026
carried, not yet filed for the newest quarter
|
773,699 | ||
| 10.1 |
U.S. SMALL CAP PORTFOLIO
Fund
S000000971 · Registered fund · Jul 31, 2026
DFA INVESTMENT DIMENSIONS GROUP INC, not summed
|
174,798 | ||
| 10.2 |
Dimensional U.S. Small Cap ETF
Fund
S000070906 · Registered fund · Jul 31, 2026
Dimensional ETF Trust, not summed
|
123,517 | ||
| 10.3 |
Dimensional U.S. Core Equity 2 ETF
Fund
S000070903 · Registered fund · Jul 31, 2026
Dimensional ETF Trust, not summed
|
70,102 | ||
| 10.4 |
U.S. CORE EQUITY 2 PORTFOLIO
Fund
S000000980 · Registered fund · Jul 31, 2026
DFA INVESTMENT DIMENSIONS GROUP INC, not summed
|
56,948 | ||
| 10.5 |
U.S. CORE EQUITY 1 PORTFOLIO
Fund
S000000979 · Registered fund · Jul 31, 2026
DFA INVESTMENT DIMENSIONS GROUP INC, not summed
|
45,062 | ||
| 11 |
COOKE & BIELER LP
13F
CIK 24386 · Registered investment adviser · Jun 30, 2026
carried, not yet filed for the newest quarter
|
725,229 | ||
| 12 |
FIDUCIARY MANAGEMENT INC /WI/
13F
CIK 764532 · Registered investment adviser · Jun 30, 2026
carried, not yet filed for the newest quarter
|
713,768 | ||
| 12.1 |
FMI Common Stock Fund
Fund
S000043149 · Registered fund · Jun 30, 2026
FMI Funds Inc, not summed
|
360,000 | ||
| 13 |
GEODE CAPITAL MANAGEMENT, LLC
13F
CIK 1214717 · Registered investment adviser · Jun 30, 2026
carried, not yet filed for the newest quarter
|
691,769 | ||
| 14 |
M&G PLC
13F
CIK 1802539 · Holding company · Jun 30, 2026
carried, not yet filed for the newest quarter
|
690,334 | ||
| 15 |
Bank of New York Mellon Corp
13F
CIK 1390777 · Bank · Jun 30, 2026
carried, not yet filed for the newest quarter
|
672,834 | ||
| 15.1 |
BNY Mellon US Mid Cap Core Equity ETF
Fund
S000067261 · Registered fund · Jul 31, 2026
BNY Mellon ETF Trust, not summed
|
6,435 | ||
| 16 |
FIRST TRUST ADVISORS LP
13F
CIK 1125816 · Registered investment adviser · Jun 30, 2026
carried, not yet filed for the newest quarter
|
664,896 | ||
| 16.1 |
First Trust Value Line Dividend Index Fund
Fund
S000013817 · Registered fund · Jun 30, 2026
First Trust Exchange-Traded Fund, not summed
|
191,174 | ||
| 16.2 |
FT Vest SMID Rising Dividend Achievers Target Income ETF
Fund
S000081275 · Registered fund · Jul 31, 2026
First Trust Exchange-Traded Fund IV, not summed
|
31,961 | ||
| 16.3 |
First Trust Industrials/Producer Durables AlphaDEX Fund
Fund
S000017701 · Registered fund · Jul 31, 2026
First Trust Exchange-Traded AlphaDEX Fund, not summed
|
19,039 | ||
| 16.4 |
First Trust Mid Cap Growth AlphaDEX Fund
Fund
S000031804 · Registered fund · Jul 31, 2026
First Trust Exchange-Traded AlphaDEX Fund, not summed
|
10,515 | ||
| 16.5 |
First Trust Mid Cap Core AlphaDEX Fund
Fund
S000017338 · Registered fund · Jul 31, 2026
First Trust Exchange-Traded AlphaDEX Fund, not summed
|
5,900 | ||
| 17 |
Madison Asset Management, LLC
13F
CIK 1299351 · Registered investment adviser · Jun 30, 2026
carried, not yet filed for the newest quarter
|
660,573 | ||
| 17.1 |
Madison Mid Cap Fund
Fund
S000020651 · Registered fund · Jul 31, 2026
MADISON FUNDS, not summed
|
307,362 | ||
| 17.2 |
Mid Cap Fund
Fund
S000019983 · Registered fund · Jun 30, 2026
ULTRA SERIES FUND, not summed
|
18,421 | ||
| 18 |
APG Asset Management N.V.
13F
CIK 1434819 · Unknown · Jun 30, 2026
carried, not yet filed for the newest quarter
|
638,713 | ||
| 19 |
Channing Capital Management, LLC
13F
CIK 1302404 · Registered investment adviser · Jun 30, 2026
carried, not yet filed for the newest quarter
|
600,058 | ||
| 19.1 |
CHANNING INTRINSIC VALUE SMALL-CAP FUND
Fund
S000071821 · Registered fund · Jul 31, 2026
Valued Advisers Trust, not summed
|
1,534 | ||
| 20 |
VANGUARD SMALL-CAP VALUE INDEX FUND
Fund
S000002847 · Registered fund · Jun 30, 2026
VANGUARD INDEX FUNDS, not summed
|
560,831 | ||
| 21 |
Conestoga Capital Advisors, LLC
13F
CIK 1163744 · Investment adviser · Jun 30, 2026
carried, not yet filed for the newest quarter
|
554,574 | ||
| 21.1 |
CONESTOGA SMALL CAP FUND
Fund
S000004756 · Registered fund · Jun 30, 2026
Conestoga Funds, not summed
|
241,811 | ||
| 21.2 |
CONESTOGA SMID CAP FUND
Fund
S000043859 · Registered fund · Jun 30, 2026
Conestoga Funds, not summed
|
67,270 | ||
| 22 |
SMALLCAP World Fund Inc
Fund
S000009599 · Registered fund · Jun 30, 2026
SMALLCAP World Fund Inc, not summed
|
527,859 | ||
| 23 |
NATIXIS ADVISORS, LLC
13F
CIK 1018331 · Registered investment adviser · Jun 30, 2026
carried, not yet filed for the newest quarter
|
526,882 | ||
| 24 |
JONES FINANCIAL COMPANIES LLLP
13F
CIK 815917 · Unknown · Jun 30, 2026
carried, not yet filed for the newest quarter
|
524,131 | ||
| 25 |
VICTORY CAPITAL MANAGEMENT INC
13F
CIK 1040188 · Registered investment adviser · Jun 30, 2026
carried, not yet filed for the newest quarter
|
517,821 | ||
| 25.1 |
Victory Sycamore Small Company Opportunity Fund
Fund
S000000800 · Registered fund · Jun 30, 2026
Victory Portfolios, not summed
|
385,000 | ||
| 25.2 |
Victory Extended Market Index Fund
Fund
S000012941 · Registered fund · Jul 31, 2026
Victory Portfolios III, not summed
|
4,178 | ||
| 26 |
GOLDMAN SACHS GROUP INC
13F
CIK 886982 · Holding company · Jun 30, 2026
carried, not yet filed for the newest quarter
|
515,458 | ||
| 26.1 |
Multi-Manager U.S. Small Cap Equity Fund
Fund
S000051363 · Registered fund · Apr 30, 2026
Goldman Sachs Trust II, not summed
|
6,621 | ||
| 26.2 |
Goldman Sachs Absolute Return Tracker Fund
Fund
S000020314 · Registered fund · Jun 30, 2026
GOLDMAN SACHS TRUST, not summed
|
2,250 | ||
| 26.3 |
Goldman Sachs MarketBeta U.S. 1000 Equity ETF
Fund
S000075322 · Registered fund · May 31, 2026
Goldman Sachs ETF Trust II, not summed
|
1,263 | ||
| 26.4 |
Goldman Sachs U.S. Equity Dividend and Premium Fund
Fund
S000009324 · Registered fund · Jun 30, 2026
GOLDMAN SACHS TRUST, not summed
|
600 | ||
| 26.5 |
Goldman Sachs MarketBeta(R) Russell 1000 Value Equity ETF
Fund
S000083006 · Registered fund · May 31, 2026
Goldman Sachs ETF Trust, not summed
|
484 | ||
| 27 |
FRANKLIN RESOURCES INC
13F
CIK 38777 · Investment adviser · Jun 30, 2026
carried, not yet filed for the newest quarter
|
490,034 | ||
| 27.1 |
Franklin Small Cap Value Fund
Fund
S000007356 · Registered fund · Jul 31, 2026
Franklin Value Investors Trust, not summed
|
289,809 | ||
| 27.2 |
Franklin Small Cap Value VIP Fund
Fund
S000007315 · Registered fund · Jun 30, 2026
Franklin Templeton Variable Insurance Products Trust, not summed
|
87,306 | ||
| 27.3 |
Franklin Mutual Small-Mid Cap Value Fund
Fund
S000007354 · Registered fund · Jul 31, 2026
Franklin Value Investors Trust, not summed
|
10,486 | ||
| 28 |
MORGAN STANLEY
13F
CIK 895421 · Holding company · Jun 30, 2026
carried, not yet filed for the newest quarter
|
461,215 | ||
| 28.1 |
E*TRADE No Fee Total Market Index Fund
Fund
S000090722 · Registered fund · Jul 31, 2026
E Trade Trust, not summed
|
36 | ||
| 29 |
CHARLES SCHWAB INVESTMENT MANAGEMENT INC
13F
CIK 884546 · Registered investment adviser · Jun 30, 2026
carried, not yet filed for the newest quarter
|
425,095 | ||
| 29.1 |
Schwab U.S. Small-Cap ETF
Fund
S000026636 · Registered fund · May 31, 2026
SCHWAB STRATEGIC TRUST, not summed
|
175,042 | ||
| 29.2 |
Schwab U.S. Mid-Cap ETF
Fund
S000026635 · Registered fund · May 31, 2026
SCHWAB STRATEGIC TRUST, not summed
|
98,559 | ||
| 29.3 |
Schwab Fundamental U.S. Small Company ETF
Fund
S000040878 · Registered fund · May 31, 2026
SCHWAB STRATEGIC TRUST, not summed
|
57,836 | ||
| 29.4 |
Schwab Total Stock Market Index Fund
Fund
S000005913 · Registered fund · Jul 31, 2026
SCHWAB CAPITAL TRUST, not summed
|
21,897 | ||
| 29.5 |
Schwab U.S. Broad Market ETF
Fund
S000026631 · Registered fund · May 31, 2026
SCHWAB STRATEGIC TRUST, not summed
|
21,286 | ||
| 30 |
VANGUARD EXTENDED MARKET INDEX FUND
Fund
S000002841 · Registered fund · Jun 30, 2026
VANGUARD INDEX FUNDS, not summed
|
416,290 | ||
| 31 |
First Trust SMID Cap Rising Dividend Achievers ETF
Fund
S000059604 · Registered fund · Jun 30, 2026
First Trust Exchange-Traded Fund VI, not summed
|
405,471 | ||
| 32 |
RAYMOND JAMES FINANCIAL INC
13F
CIK 720005 · Unknown · Jun 30, 2026
carried, not yet filed for the newest quarter
|
383,496 | ||
| 32.1 |
Carillon Eagle Small Cap Growth Fund
Fund
S000008482 · Registered fund · Jun 30, 2026
Carillon Series Trust, not summed
|
28,338 | ||
| 33 |
Invesco Ltd.
13F
CIK 914208 · Investment adviser · Jun 30, 2026
carried, not yet filed for the newest quarter
|
378,418 | ||
| 33.1 |
Invesco S&P MidCap Low Volatility ETF
Fund
S000030966 · Registered fund · May 31, 2026
Invesco Exchange-Traded Fund Trust II, not summed
|
46,622 | ||
| 33.2 |
Invesco Global Core Equity Fund
Fund
S000000213 · Registered fund · Jun 30, 2026
AIM Funds Group (Invesco Funds Group), not summed
|
31,404 | ||
| 33.3 |
Invesco RAFI US 1500 Small-Mid ETF
Fund
S000013120 · Registered fund · Jul 31, 2026
Invesco Exchange-Traded Fund Trust, not summed
|
29,368 | ||
| 33.4 |
Invesco S&P Midcap 400 QVM Multi-Factor ETF
Fund
S000072319 · Registered fund · May 31, 2026
Invesco Exchange-Traded Fund Trust II, not summed
|
4,887 | ||
| 33.5 |
Invesco S&P MidCap 400 Revenue ETF
Fund
S000064595 · Registered fund · May 31, 2026
Invesco Exchange-Traded Fund Trust II, not summed
|
4,794 | ||
| 34 |
VANGUARD SELECTED VALUE FUND
Fund
S000004409 · Registered fund · Jul 31, 2026
VANGUARD WHITEHALL FUNDS, not summed
|
359,189 | ||
| 35 |
NORTHERN TRUST CORP
13F
CIK 73124 · Bank · Jun 30, 2026
carried, not yet filed for the newest quarter
|
347,875 | ||
| 35.1 |
Mid Cap Index Fund
Fund
S000001273 · Registered fund · Jun 30, 2026
Northern Funds, not summed
|
23,586 | ||
| 35.2 |
FlexShares Morningstar US Market Factor Tilt Index Fund
Fund
S000033312 · Registered fund · Jul 31, 2026
FlexShares Trust, not summed
|
2,040 | ||
| 36 |
T. Rowe Price Investment Management, Inc.
13F
CIK 1897612 · Investment adviser · Jun 30, 2026
carried, not yet filed for the newest quarter
|
345,210 | ||
| 37 |
ROYCE & ASSOCIATES LP
13F
CIK 906304 · Registered investment adviser · Jun 30, 2026
carried, not yet filed for the newest quarter
|
337,968 | ||
| 37.1 |
Royce Premier Fund
Fund
S000009505 · Registered fund · Jun 30, 2026
ROYCE FUND, not summed
|
117,041 | ||
| 37.2 |
Royce Small-Cap Fund
Fund
S000009507 · Registered fund · Jun 30, 2026
ROYCE FUND, not summed
|
58,311 | ||
| 38 |
SCHRODER INVESTMENT MANAGEMENT GROUP
13F
CIK 1086619 · Registered investment adviser · Jun 30, 2026
carried, not yet filed for the newest quarter
|
324,489 | ||
| 39 |
BROWN ADVISORY INC
13F
CIK 1345929 · Unknown · Jun 30, 2026
carried, not yet filed for the newest quarter
|
322,257 | ||
| 39.1 |
Brown Advisory Small-Cap Growth Fund
Fund
S000038483 · Registered fund · Jun 30, 2026
Brown Advisory Funds, not summed
|
54,720 | ||
| 40 |
Champlain Investment Partners, LLC
13F
CIK 1315478 · Registered investment adviser · Jun 30, 2026
carried, not yet filed for the newest quarter
|
320,243 | ||
| 40.1 |
Champlain Small Company Fund
Fund
S000005803 · Registered fund · Jun 30, 2026
ADVISORS' INNER CIRCLE FUND II, not summed
|
81,000 | ||
| 40.2 |
Champlain MidCap Fund
Fund
S000022606 · Registered fund · Jun 30, 2026
ADVISORS' INNER CIRCLE FUND II, not summed
|
74,000 | ||
| 41 |
NORGES BANK
13F
CIK 1374170 · Non-US institution · Jun 30, 2026
carried, not yet filed for the newest quarter
|
314,843 | ||
| 42 |
BNP PARIBAS ASSET MANAGEMENT Holding S.A.
13F
CIK 1520354 · Non-US institution · Jun 30, 2026
carried, not yet filed for the newest quarter
|
308,421 | ||
| 43 |
PRINCIPAL FINANCIAL GROUP INC
13F
CIK 1126328 · Insurance company · Jun 30, 2026
carried, not yet filed for the newest quarter
|
307,558 | ||
| 43.1 |
Small-MidCap Dividend Income Fund
Fund
S000032942 · Registered fund · May 31, 2026
Principal Funds, Inc, not summed
|
102,550 | ||
| 43.2 |
SmallCap Growth Fund I
Fund
S000007175 · Registered fund · Jul 31, 2026
Principal Funds, Inc, not summed
|
55,491 | ||
| 43.3 |
MidCap S&P 400 Index Fund
Fund
S000007079 · Registered fund · Jul 31, 2026
Principal Funds, Inc, not summed
|
13,874 | ||
| 43.4 |
MidCap Value Fund I
Fund
S000007173 · Registered fund · Jul 31, 2026
Principal Funds, Inc, not summed
|
797 | ||
| 44 |
Capital Research Global Investors
13F
CIK 1422848 · Investment adviser · Jun 30, 2026
carried, not yet filed for the newest quarter
|
306,306 | ||
| 45 |
BANK OF AMERICA CORP /DE/
13F
CIK 70858 · Bank · Jun 30, 2026
carried, not yet filed for the newest quarter
|
304,375 | ||
| 46 |
State Street SPDR S&P MidCap 400SM ETF Trust
Fund
· Registered fund · Jun 30, 2026
SPDR S&P MIDCAP 400 ETF TRUST, not summed
|
279,213 | ||
| 46.1 |
ROYCE SMALL-CAP TRUST, INC.
Fund
· Registered fund · Jun 30, 2026
ROYCE SMALL-CAP TRUST, INC., not summed
|
74,998 | ||
| 46.2 |
ROYCE GLOBAL TRUST, INC.
Fund
· Registered fund · Jun 30, 2026
ROYCE GLOBAL TRUST, INC., not summed
|
13,650 | ||
| 47 |
JPMorgan Small Cap Equity Fund
Fund
S000002794 · Registered fund · Jun 30, 2026
JPMorgan Trust I, not summed
|
239,901 | ||
| 48 |
Capital World Investors
13F
CIK 1422849 · Investment adviser · Jun 30, 2026
carried, not yet filed for the newest quarter
|
236,168 | ||
| 49 |
VANGUARD FIDUCIARY TRUST CO
13F
CIK 933478 · Unknown · Jun 30, 2026
carried, not yet filed for the newest quarter
|
231,373 | ||
| 50 |
SEI INVESTMENTS CO
13F
CIK 350894 · Unknown · Jun 30, 2026
carried, not yet filed for the newest quarter
|
210,933 | ||
| 50.1 |
SIIT EXTENDED MARKET INDEX FUND
Fund
S000035814 · Registered fund · May 31, 2026
SEI INSTITUTIONAL INVESTMENTS TRUST, not summed
|
5,944 | ||
| 50.2 |
SIIT U.S. Equity Factor Allocation Fund
Fund
S000061159 · Registered fund · May 31, 2026
SEI INSTITUTIONAL INVESTMENTS TRUST, not summed
|
1,490 | ||
| 50.3 |
SIIT LARGE CAP INDEX FUND
Fund
S000006768 · Registered fund · May 31, 2026
SEI INSTITUTIONAL INVESTMENTS TRUST, not summed
|
1,200 | ||
| 50.4 |
Catholic Values Equity Fund
Fund
S000048320 · Registered fund · May 31, 2026
SEI CATHOLIC VALUES TRUST, not summed
|
401 | ||
| 50.5 |
AMT Diversified Equity Fund
Fund
S000073478 · Registered fund · Jul 31, 2026
ADVISER MANAGED TRUST, not summed
|
176 |
58 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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