MSM · Msc Industrial Direct Co Inc · Shareholders & Ownership
Every disclosed holder of MSM 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 MSM
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) | 46,328,603 | 82.96% |
| Insiders (Forms 3, 4, 5) | 10,189,470 | 18.25% |
| 13D/G-only blocks | 4,294,324 | 7.69% |
| Remaining | 4,966,099 | -8.89% |
| Registered funds (N-PORT, not summed) | 24,212,881 | 43.36% |
Shares outstanding: 55,846,298, 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 MSM
| # | Holder | Shares | As of | Notes |
|---|---|---|---|---|
| 1 |
|
8,089,720 | ||
| 2 |
BlackRock, Inc.
13F
CIK 2012383 · Holding company · Jun 30, 2026
carried, not yet filed for the newest quarter
|
5,560,498 | ||
| 2.1 |
iShares Core S&P Mid-Cap ETF
Fund
S000004307 · Registered fund · Jun 30, 2026
iShares Trust, not summed
|
1,565,379 | ||
| 2.2 |
iShares Select Dividend ETF
Fund
S000004334 · Registered fund · Jul 31, 2026
iShares Trust, not summed
|
926,905 | ||
| 2.3 |
iShares Russell Mid-Cap ETF
Fund
S000004338 · Registered fund · Jun 30, 2026
iShares Trust, not summed
|
189,195 | ||
| 2.4 |
iShares S&P Mid-Cap 400 Value ETF
Fund
S000004309 · Registered fund · Jun 30, 2026
iShares Trust, not summed
|
133,057 | ||
| 2.5 |
iShares S&P Mid-Cap 400 Growth ETF
Fund
S000004308 · Registered fund · Jun 30, 2026
iShares Trust, not summed
|
114,771 | ||
| 3 |
|
4,294,324 | ||
| 4 |
VANGUARD PORTFOLIO MANAGEMENT LLC
13F
CIK 2100121 · Registered investment adviser · Jun 30, 2026
carried, not yet filed for the newest quarter
|
2,139,176 | ||
| 5 |
VANGUARD CAPITAL MANAGEMENT LLC
13F
CIK 2100119 · Registered investment adviser · Jun 30, 2026
carried, not yet filed for the newest quarter
|
2,026,407 | ||
| 6 |
|
1,981,403 | ||
| 7 |
FULLER & THALER ASSET MANAGEMENT, INC.
13F
CIK 1082327 · Registered investment adviser · Jun 30, 2026
carried, not yet filed for the newest quarter
|
1,887,419 | ||
| 8 |
AMERICAN CENTURY COMPANIES INC
13F
CIK 748054 · Unknown · Jun 30, 2026
carried, not yet filed for the newest quarter
|
1,743,956 | ||
| 8.1 |
Mid Cap Value Fund
Fund
S000005779 · Registered fund · Jun 30, 2026
American Century Capital Portfolios, Inc., not summed
|
493,931 | ||
| 8.2 |
Equity Income Fund
Fund
S000005776 · Registered fund · Jun 30, 2026
American Century Capital Portfolios, Inc., not summed
|
395,132 | ||
| 8.3 |
Value Fund
Fund
S000005782 · Registered fund · Jun 30, 2026
American Century Capital Portfolios, Inc., not summed
|
169,047 | ||
| 9 |
Boston Partners
13F
CIK 1386060 · Registered investment adviser · Jun 30, 2026
carried, not yet filed for the newest quarter
|
1,714,389 | ||
| 10 |
FIRST TRUST ADVISORS LP
13F
CIK 1125816 · Registered investment adviser · Jun 30, 2026
carried, not yet filed for the newest quarter
|
1,676,859 | ||
| 10.1 |
First Trust Value Line Dividend Index Fund
Fund
S000013817 · Registered fund · Jun 30, 2026
First Trust Exchange-Traded Fund, not summed
|
266,951 | ||
| 10.2 |
First Trust/Dow Jones Dividend & Income Allocation Portfolio
Fund
S000036417 · Registered fund · Jun 30, 2026
First Trust Variable Insurance Trust, not summed
|
26,428 | ||
| 10.3 |
First Trust Industrials/Producer Durables AlphaDEX Fund
Fund
S000017701 · Registered fund · Jul 31, 2026
First Trust Exchange-Traded AlphaDEX Fund, not summed
|
13,972 | ||
| 10.4 |
First Trust Mid Cap Core AlphaDEX Fund
Fund
S000017338 · Registered fund · Jul 31, 2026
First Trust Exchange-Traded AlphaDEX Fund, not summed
|
8,659 | ||
| 10.5 |
First Trust Horizon Managed Volatility Small/Mid ETF
Fund
S000068212 · Registered fund · Jul 31, 2026
First Trust Exchange-Traded Fund III, not summed
|
2,778 | ||
| 11 |
CHARLES SCHWAB INVESTMENT MANAGEMENT INC
13F
CIK 884546 · Registered investment adviser · Jun 30, 2026
carried, not yet filed for the newest quarter
|
1,530,616 | ||
| 11.1 |
Schwab U.S. Dividend Equity ETF
Fund
S000034163 · Registered fund · May 31, 2026
SCHWAB STRATEGIC TRUST, not summed
|
1,090,755 | ||
| 11.2 |
Schwab U.S. Small-Cap ETF
Fund
S000026636 · Registered fund · May 31, 2026
SCHWAB STRATEGIC TRUST, not summed
|
219,574 | ||
| 11.3 |
Schwab Fundamental U.S. Large Company ETF
Fund
S000040877 · Registered fund · May 31, 2026
SCHWAB STRATEGIC TRUST, not summed
|
50,618 | ||
| 11.4 |
Schwab Total Stock Market Index Fund
Fund
S000005913 · Registered fund · Jul 31, 2026
SCHWAB CAPITAL TRUST, not summed
|
26,965 | ||
| 11.5 |
Schwab U.S. Broad Market ETF
Fund
S000026631 · Registered fund · May 31, 2026
SCHWAB STRATEGIC TRUST, not summed
|
26,713 | ||
| 12 |
|
1,463,620 | ||
| 12.1 |
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
|
231,765 | ||
| 12.2 |
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
|
40,596 | ||
| 12.3 |
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
|
29,717 | ||
| 12.4 |
STATE STREET SMALL/MID CAP EQUITY INDEX PORTFOLIO
Fund
S000050332 · Registered fund · Jun 30, 2026
STATE STREET INSTITUTIONAL INVESTMENT TRUST, not summed
|
15,699 | ||
| 12.5 |
State Street(R) SPDR(R) US Small Cap Low Volatility Index ETF
Fund
S000039795 · Registered fund · Jun 30, 2026
SPDR SERIES TRUST, not summed
|
10,322 | ||
| 13 |
VANGUARD TOTAL STOCK MARKET INDEX FUND
Fund
S000002848 · Registered fund · Jun 30, 2026
VANGUARD INDEX FUNDS, not summed
|
1,420,493 | ||
| 14 |
FULLERTHALER BEHAVIORAL SMALL CAP EQUITY
Fund
S000051163 · Registered fund · Jun 30, 2026
Capitol Series Trust, not summed
|
1,352,919 | ||
| 15 |
First Trust RBA American Industrial Renaissance ETF
Fund
S000044209 · Registered fund · Jun 30, 2026
First Trust Exchange-Traded Fund VI, not summed
|
1,257,678 | ||
| 16 |
DIMENSIONAL FUND ADVISORS LP
13F
CIK 354204 · Registered investment adviser · Jun 30, 2026
carried, not yet filed for the newest quarter
|
1,248,087 | ||
| 16.1 |
U.S. SMALL CAP PORTFOLIO
Fund
S000000971 · Registered fund · Jul 31, 2026
DFA INVESTMENT DIMENSIONS GROUP INC, not summed
|
227,692 | ||
| 16.2 |
Dimensional U.S. Small Cap ETF
Fund
S000070906 · Registered fund · Jul 31, 2026
Dimensional ETF Trust, not summed
|
184,113 | ||
| 16.3 |
U.S. MICRO CAP PORTFOLIO
Fund
S000000948 · Registered fund · Jul 31, 2026
DFA INVESTMENT DIMENSIONS GROUP INC, not summed
|
100,371 | ||
| 16.4 |
Dimensional U.S. Core Equity 2 ETF
Fund
S000070903 · Registered fund · Jul 31, 2026
Dimensional ETF Trust, not summed
|
98,133 | ||
| 16.5 |
U.S. CORE EQUITY 2 PORTFOLIO
Fund
S000000980 · Registered fund · Jul 31, 2026
DFA INVESTMENT DIMENSIONS GROUP INC, not summed
|
89,467 | ||
| 17 |
GEODE CAPITAL MANAGEMENT, LLC
13F
CIK 1214717 · Registered investment adviser · Jun 30, 2026
carried, not yet filed for the newest quarter
|
1,168,449 | ||
| 18 |
VANGUARD SMALL-CAP INDEX FUND
Fund
S000002845 · Registered fund · Jun 30, 2026
VANGUARD INDEX FUNDS, not summed
|
1,024,654 | ||
| 19 |
Epoch Investment Partners, Inc.
13F
CIK 1305841 · Registered investment adviser · Jun 30, 2026
carried, not yet filed for the newest quarter
|
926,830 | ||
| 20 |
MORGAN STANLEY
13F
CIK 895421 · Holding company · Jun 30, 2026
carried, not yet filed for the newest quarter
|
783,623 | ||
| 20.1 |
E*TRADE No Fee Total Market Index Fund
Fund
S000090722 · Registered fund · Jul 31, 2026
E Trade Trust, not summed
|
79 | ||
| 21 |
VICTORY CAPITAL MANAGEMENT INC
13F
CIK 1040188 · Registered investment adviser · Jun 30, 2026
carried, not yet filed for the newest quarter
|
751,553 | ||
| 21.1 |
Victory Sycamore Small Company Opportunity Fund
Fund
S000000800 · Registered fund · Jun 30, 2026
Victory Portfolios, not summed
|
430,000 | ||
| 21.2 |
Victory RS Small Cap Growth Fund
Fund
S000053581 · Registered fund · Jun 30, 2026
Victory Portfolios, not summed
|
70,970 | ||
| 21.3 |
Victory Market Neutral Income Fund
Fund
S000037769 · Registered fund · Jun 30, 2026
Victory Portfolios II, not summed
|
54,369 | ||
| 21.4 |
VictoryShares US Small Cap High Div Volatility Wtd ETF
Fund
S000049908 · Registered fund · Jun 30, 2026
Victory Portfolios II, not summed
|
30,336 | ||
| 21.5 |
Victory RS Select Growth Fund
Fund
S000053579 · Registered fund · Jun 30, 2026
Victory Portfolios, not summed
|
11,480 | ||
| 22 |
Quantinno Capital Management LP
13F
CIK 1759654 · Registered investment adviser · Jun 30, 2026
carried, not yet filed for the newest quarter
|
653,578 | ||
| 23 |
VANGUARD SMALL-CAP VALUE INDEX FUND
Fund
S000002847 · Registered fund · Jun 30, 2026
VANGUARD INDEX FUNDS, not summed
|
648,939 | ||
| 24 |
CITADEL ADVISORS LLC
13F
CIK 1423053 · Registered investment adviser · Jun 30, 2026
carried, not yet filed for the newest quarter
|
619,507 | ||
| 25 |
Alberta Investment Management Corp
13F
CIK 1463559 · Non-US institution · Jun 30, 2026
carried, not yet filed for the newest quarter
|
570,000 | ||
| 26 |
NEW SOUTH CAPITAL MANAGEMENT INC
13F
CIK 1044797 · Registered investment adviser · Jun 30, 2026
carried, not yet filed for the newest quarter
|
539,026 | ||
| 27 |
VANGUARD EXTENDED MARKET INDEX FUND
Fund
S000002841 · Registered fund · Jun 30, 2026
VANGUARD INDEX FUNDS, not summed
|
525,139 | ||
| 28 |
Bank of New York Mellon Corp
13F
CIK 1390777 · Bank · Jun 30, 2026
carried, not yet filed for the newest quarter
|
470,840 | ||
| 28.1 |
BNY Mellon US Small Cap Core Equity ETF
Fund
S000067262 · Registered fund · Jul 31, 2026
BNY Mellon ETF Trust, not summed
|
1,618 | ||
| 29 |
AQR CAPITAL MANAGEMENT LLC
13F
CIK 1167557 · Registered investment adviser · Jun 30, 2026
carried, not yet filed for the newest quarter
|
457,743 | ||
| 29.1 |
AQR Style Premia Alternative Fund
Fund
S000042050 · Registered fund · Jun 30, 2026
AQR Funds, not summed
|
22,653 | ||
| 29.2 |
AQR Alternative Risk Premia Fund
Fund
S000058563 · Registered fund · Jun 30, 2026
AQR Funds, not summed
|
6,887 | ||
| 29.3 |
AQR Managed Futures Strategy HV Fund
Fund
S000041117 · Registered fund · Jun 30, 2026
AQR Funds, not summed
|
1,706 | ||
| 29.4 |
AQR Trend Total Return Fund
Fund
S000074759 · Registered fund · Jun 30, 2026
AQR Funds, not summed
|
785 | ||
| 29.5 |
AQR CVX Fusion Fund
Fund
S000093172 · Registered fund · Jun 30, 2026
AQR Funds, not summed
|
156 | ||
| 30 |
Allianz Asset Management GmbH
13F
CIK 1535323 · Unknown · Jun 30, 2026
carried, not yet filed for the newest quarter
|
444,741 | ||
| 30.1 |
PIMCO RAE US Small Fund
Fund
S000048957 · Registered fund · Jun 30, 2026
PIMCO Equity Series, not summed
|
286,718 | ||
| 30.2 |
PIMCO RAFI Dynamic Multi-Factor U.S. Equity ETF
Fund
S000057225 · Registered fund · Jun 30, 2026
PIMCO Equity Series, not summed
|
1,793 | ||
| 31 |
NORTHERN TRUST CORP
13F
CIK 73124 · Bank · Jun 30, 2026
carried, not yet filed for the newest quarter
|
435,234 | ||
| 31.1 |
Mid Cap Index Fund
Fund
S000001273 · Registered fund · Jun 30, 2026
Northern Funds, not summed
|
29,762 | ||
| 31.2 |
FlexShares Morningstar US Market Factor Tilt Index Fund
Fund
S000033312 · Registered fund · Jul 31, 2026
FlexShares Trust, not summed
|
2,370 | ||
| 31.3 |
Large Cap Value Fund
Fund
S000001271 · Registered fund · Jun 30, 2026
Northern Funds, not summed
|
602 | ||
| 32 |
Alyeska Investment Group, L.P.
13F
CIK 1453072 · Registered investment adviser · Jun 30, 2026
carried, not yet filed for the newest quarter
|
419,828 | ||
| 33 |
Boston Trust Walden Corp
13F
CIK 1534866 · Unknown · Jun 30, 2026
carried, not yet filed for the newest quarter
|
415,440 | ||
| 34 |
OLD REPUBLIC INTERNATIONAL CORP
13F
CIK 74260 · Insurance company · Jun 30, 2026
carried, not yet filed for the newest quarter
|
412,400 | ||
| 35 |
GOLDMAN SACHS GROUP INC
13F
CIK 886982 · Holding company · Jun 30, 2026
carried, not yet filed for the newest quarter
|
402,667 | ||
| 35.1 |
Goldman Sachs U.S. Equity Dividend and Premium Fund
Fund
S000009324 · Registered fund · Jun 30, 2026
GOLDMAN SACHS TRUST, not summed
|
78,500 | ||
| 35.2 |
Multi-Manager U.S. Small Cap Equity Fund
Fund
S000051363 · Registered fund · Apr 30, 2026
Goldman Sachs Trust II, not summed
|
5,800 | ||
| 35.3 |
Goldman Sachs Absolute Return Tracker Fund
Fund
S000020314 · Registered fund · Jun 30, 2026
GOLDMAN SACHS TRUST, not summed
|
4,794 | ||
| 35.4 |
Goldman Sachs MarketBeta U.S. 1000 Equity ETF
Fund
S000075322 · Registered fund · May 31, 2026
Goldman Sachs ETF Trust II, not summed
|
1,457 | ||
| 35.5 |
Goldman Sachs MarketBeta(R) Russell 1000 Value Equity ETF
Fund
S000083006 · Registered fund · May 31, 2026
Goldman Sachs ETF Trust, not summed
|
528 | ||
| 36 |
NORGES BANK
13F
CIK 1374170 · Non-US institution · Jun 30, 2026
carried, not yet filed for the newest quarter
|
398,005 | ||
| 37 |
FMR LLC
13F
CIK 315066 · Holding company · Jun 30, 2026
carried, not yet filed for the newest quarter
|
392,387 | ||
| 37.1 |
Fidelity Enhanced Mid Cap Core ETF
Fund
S000081803 · Registered fund · Jun 30, 2026
Fidelity Covington Trust, not summed
|
246,522 | ||
| 37.2 |
Strategic Advisers Fidelity U.S. Total Stock Fund
Fund
S000061481 · Registered fund · May 31, 2026
Fidelity Rutland Square Trust II, not summed
|
237,851 | ||
| 37.3 |
Fidelity Extended Market Index Fund
Fund
S000006021 · Registered fund · May 31, 2026
Fidelity Concord Street Trust, not summed
|
236,531 | ||
| 37.4 |
Fidelity Mid Cap Index Fund
Fund
S000033637 · Registered fund · Jul 31, 2026
Fidelity Salem Street Trust, not summed
|
171,638 | ||
| 37.5 |
Strategic Advisers U.S. Total Stock Fund
Fund
S000084926 · Registered fund · May 31, 2026
Fidelity Rutland Square Trust II, not summed
|
104,270 | ||
| 38 |
Undiscovered Managers Behavioral Value Fund
Fund
S000004186 · Registered fund · Jun 30, 2026
UNDISCOVERED MANAGERS FUNDS, not summed
|
386,599 | ||
| 39 |
Invesco Ltd.
13F
CIK 914208 · Investment adviser · Jun 30, 2026
carried, not yet filed for the newest quarter
|
375,210 | ||
| 39.1 |
Invesco S&P MidCap Quality ETF
Fund
S000013108 · Registered fund · Jul 31, 2026
Invesco Exchange-Traded Fund Trust, not summed
|
274,190 | ||
| 39.2 |
Invesco S&P MidCap 400 Revenue ETF
Fund
S000064595 · Registered fund · May 31, 2026
Invesco Exchange-Traded Fund Trust II, not summed
|
19,472 | ||
| 39.3 |
Invesco RAFI US 1000 ETF
Fund
S000011995 · Registered fund · Jul 31, 2026
Invesco Exchange-Traded Fund Trust, not summed
|
16,051 | ||
| 39.4 |
Invesco Russell 1000 Dynamic Multifactor ETF
Fund
S000064607 · Registered fund · May 31, 2026
Invesco Exchange-Traded Self-Indexed Fund Trust, not summed
|
11,843 | ||
| 39.5 |
Invesco S&P Midcap 400 QVM Multi-Factor ETF
Fund
S000072319 · Registered fund · May 31, 2026
Invesco Exchange-Traded Fund Trust II, not summed
|
5,791 | ||
| 40 |
CRAWFORD INVESTMENT COUNSEL INC
13F
CIK 837592 · Registered investment adviser · Jun 30, 2026
carried, not yet filed for the newest quarter
|
374,896 | ||
| 40.1 |
CRAWFORD SMALL CAP DIVIDEND FUND
Fund
S000038330 · Registered fund · Jun 30, 2026
Unified Series Trust, not summed
|
44,202 | ||
| 41 |
PZENA INVESTMENT MANAGEMENT LLC
13F
CIK 1027796 · Registered investment adviser · Jun 30, 2026
carried, not yet filed for the newest quarter
|
373,664 | ||
| 42 |
VANGUARD SELECTED VALUE FUND
Fund
S000004409 · Registered fund · Jul 31, 2026
VANGUARD WHITEHALL FUNDS, not summed
|
367,591 | ||
| 43 |
BANK OF AMERICA CORP /DE/
13F
CIK 70858 · Bank · Jun 30, 2026
carried, not yet filed for the newest quarter
|
366,572 | ||
| 44 |
ROYCE & ASSOCIATES LP
13F
CIK 906304 · Registered investment adviser · Jun 30, 2026
carried, not yet filed for the newest quarter
|
356,897 | ||
| 44.1 |
Royce Small-Cap Total Return Fund
Fund
S000009510 · Registered fund · Jun 30, 2026
ROYCE FUND, not summed
|
236,562 | ||
| 44.2 |
Royce Small-Cap Fund
Fund
S000009507 · Registered fund · Jun 30, 2026
ROYCE FUND, not summed
|
44,004 | ||
| 44.3 |
Royce SMid-Cap Total Return Fund
Fund
S000009522 · Registered fund · Jun 30, 2026
ROYCE FUND, not summed
|
11,175 | ||
| 45 |
ALLIANCEBERNSTEIN L.P.
13F
CIK 1109448 · Registered investment adviser · Jun 30, 2026
carried, not yet filed for the newest quarter
|
352,999 | ||
| 45.1 |
AB RELATIVE VALUE FUND, INC.
Fund
S000010080 · Registered fund · Jun 30, 2026
AB RELATIVE VALUE FUND, INC., not summed
|
143,766 | ||
| 45.2 |
AB Relative Value Portfolio
Fund
S000010448 · Registered fund · Jun 30, 2026
AB VARIABLE PRODUCTS SERIES FUND, INC., not summed
|
85,007 | ||
| 45.3 |
AB US High Dividend ETF
Fund
S000079471 · Registered fund · May 31, 2026
AB Active ETFs, Inc., not summed
|
2,480 | ||
| 46 |
FIL Ltd
13F
CIK 318989 · Non-US institution · Jun 30, 2026
carried, not yet filed for the newest quarter
|
352,087 | ||
| 47 |
SG Capital Management LLC
13F
CIK 1510099 · Registered investment adviser · Jun 30, 2026
carried, not yet filed for the newest quarter
|
343,793 | ||
| 48 |
AMERIPRISE FINANCIAL INC
13F
CIK 820027 · Investment adviser · Jun 30, 2026
carried, not yet filed for the newest quarter
|
331,101 | ||
| 48.1 |
Columbia Variable Portfolio - Dividend Opportunity Fund
Fund
S000019857 · Registered fund · Jun 30, 2026
Columbia Funds Variable Series Trust II, not summed
|
43,000 | ||
| 48.2 |
Columbia Mid Cap Index Fund
Fund
S000010826 · Registered fund · May 31, 2026
COLUMBIA FUNDS SERIES TRUST, not summed
|
32,684 | ||
| 49 |
Freestone Grove Partners LP
13F
CIK 2007591 · Registered investment adviser · Jun 30, 2026
carried, not yet filed for the newest quarter
|
321,239 | ||
| 50 |
Qube Research & Technologies Ltd
13F
CIK 1729829 · Exempt reporting adviser · Jun 30, 2026
carried, not yet filed for the newest quarter
|
292,848 |
67 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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