Latest Period
Q2 2026
Security Snapshot
MSC INDUSTRIAL DIRECT CO INC - Class A Common Stock, par value $0.001 per share (MSM) Institutional Ownership
CUSIP: 553530106
13F Institutional Holders and Ownership History from Q1 2014 to Q2 2026
Institutions Reporting
475
Shares (Excl. Options)
46,556,988
Price
$118.95
Save this security page for your next review
Keep this CUSIP in your watchlists so you can revisit quarter changes from one place. If you create an account from here, we will bring you back after verification.
- Security type / class
- Equity / Class A Common Stock, par value $0.001 per share
- Symbol
- MSM on NYSE
- All holders as of 30 Jun 2026
- Q2 2026
- Total 13F shares
- 46,556,988
- Total 13F value
- $5,522,855,993
- Portfolio coverage rank
- 0.01%
- Share change
- -476,386
- Value change
- -$23,103,527
- Number of holders
- 475
- Shares outstanding
- 72,785,153
- SEC-reported price per share
- $127.28
- Insider filing price
- $127.28
Latest holder snapshot
5 signals
Issuer context
Names, identifiers, and filing context for this profile.
3 identity fields
13F Shares, Excluding Options vs Price
13F Value, Excluding Options
Total Investors
Key facts
- MSM - MSC INDUSTRIAL DIRECT CO INC - Class A Common Stock, par value $0.001 per share is tracked under CUSIP 553530106.
- 475 institutions reported positions in Q2 2026.
- 3 significant owners is listed from Schedule 13D/13G reporting.
Change
- Holder count moved from 415 to 475 between Q1 2026 and Q2 2026.
- SEC-reported value moved from $4,331,485,923 to $5,522,855,993.
Research use
- You can quickly see who holds this security, then open quarter and manager detail pages for full evidence.
- 13F and Schedule 13D/13G sections are kept together so you can cross-check institutional and beneficial ownership context.
Evidence
Source: SEC Form 13F
Open SEC evidence
Latest holder context comes from 475 institutions filings for Q2 2026.
Security key
553530106
Latest holder period
Q2 2026
13F holders
475
13D/G owners
3
CIK / CUSIP context first
Open Q2 2026 holders
MSM full holder history
MSC INDUSTRIAL DIRECT CO INC SEC filings
MSC INDUSTRIAL DIRECT CO INC company facts
MSC INDUSTRIAL DIRECT CO INC insider transactions
Broader feeds
Recent Quarterly Holder Reports
Open recent reporting periods for CUSIP 553530106:
13D/G owners
Significant owners
Large-stake holder rows connected to Schedule 13D/G evidence.
Rows
3
Security
MSM
| Filer | Ownership | Change % | Holdings Value | Net Change | Nb Shares | Change % | Reporting Name | Report Period |
|---|---|---|---|---|---|---|---|---|
| BlackRock, Inc. | 9.1% | $391,063,930 | 5,079,412 | BlackRock, Inc. | 31 Mar 2025 | |||
| Korenvaes Harlan B | 5.9% | $515,619,483 | 4,294,324 | Harlan B. Korenvaes | 04 Aug 2026 | |||
| AMERICAN CENTURY INVESTMENT MANAGEMENT INC | 4.7% | -8% | $236,002,818 | -$20,293,007 | 2,612,963 | -7.9% | American Century Investment Management, Inc. | 31 Mar 2026 |
As of 30 Jun 2026, 475 institutional investors reported holding 46,556,988 shares of MSC INDUSTRIAL DIRECT CO INC - Class A Common Stock, par value $0.001 per share (MSM). This represents 64% of the company’s total 72,785,153 outstanding shares.
13F concentration
Top 25 institutional shareholders
Largest 13F positions for this security by reported shares and value.
Top holder share
41%
| Institution | Ownership % | Shares Held | Share Change % | Portfolio % | Holdings Value |
|---|---|---|---|---|---|
| BlackRock, Inc. | 7.6% | 5,560,498 | +2.4% | 0.01% | $661,421,209 |
| VANGUARD PORTFOLIO MANAGEMENT LLC | 2.9% | 2,139,176 | +0.3% | 0.01% | $254,454,985 |
| VANGUARD CAPITAL MANAGEMENT LLC | 2.8% | 2,026,407 | +1.2% | 0.01% | $241,041,113 |
| FULLER & THALER ASSET MANAGEMENT, INC. | 2.6% | 1,887,419 | +5.7% | 0.61% | $224,508,500 |
| AMERICAN CENTURY COMPANIES INC | 2.4% | 1,743,956 | -33% | 0.09% | $207,443,745 |
| Boston Partners | 2.4% | 1,714,389 | +3.2% | 0.18% | $203,954,463 |
| FIRST TRUST ADVISORS LP | 2.3% | 1,676,859 | -5.4% | 0.12% | $199,462,080 |
| CHARLES SCHWAB INVESTMENT MANAGEMENT INC | 2.1% | 1,530,616 | +9.9% | 0.02% | $182,066,773 |
| STATE STREET CORP | 2% | 1,463,620 | +3.7% | 0.01% | $174,097,599 |
| DIMENSIONAL FUND ADVISORS LP | 1.7% | 1,248,087 | -8.1% | 0.03% | $148,451,153 |
| GEODE CAPITAL MANAGEMENT, LLC | 1.6% | 1,168,449 | +5.5% | 0.01% | $139,014,416 |
| Epoch Investment Partners, Inc. | 1.3% | 926,830 | -5.1% | 0.63% | $110,246,428 |
| MORGAN STANLEY | 1.1% | 783,623 | +27% | 0% | $93,212,220 |
| VICTORY CAPITAL MANAGEMENT INC | 1% | 751,553 | -19% | 0.05% | $89,397,229 |
| Quantinno Capital Management LP | 0.9% | 653,578 | +42% | 0.09% | $77,743,170 |
| CITADEL ADVISORS LLC | 0.85% | 619,507 | +56% | 0.04% | $73,690,358 |
| Alberta Investment Management Corp | 0.78% | 570,000 | -5.3% | 0.39% | $67,801,500 |
| DEPRINCE RACE & ZOLLO INC | 0.74% | 540,509 | -23% | 1.1% | $64,293,546 |
| NEW SOUTH CAPITAL MANAGEMENT INC | 0.74% | 539,026 | -6.9% | 2.8% | $64,117,143 |
| Bank of New York Mellon Corp | 0.65% | 470,840 | -3.3% | 0.01% | $56,006,428 |
| AQR CAPITAL MANAGEMENT LLC | 0.63% | 457,743 | +52% | 0.02% | $53,588,039 |
| Allianz Asset Management GmbH | 0.61% | 444,741 | -5.8% | 0.06% | $52,901,942 |
| NORTHERN TRUST CORP | 0.6% | 435,234 | +1.2% | 0.01% | $51,771,085 |
| Alyeska Investment Group, L.P. | 0.58% | 419,828 | 0.13% | $49,938,541 | |
| Boston Trust Walden Corp | 0.57% | 415,440 | -15% | 0.38% | $49,416,588 |
Quarter history
Institutional holders across reporting periods
Holder count, reported shares/value, and median price by quarter.
Periods
50
Latest
Q2 2026
Rows shown
1-25 of 50
| Period | 13F Shares, Excl. Options | Value, Excl. Options | Value Change | Price (Median) | Investors |
|---|---|---|---|---|---|
| 2026 Q2 | 46,556,988 | $5,522,855,993 | -$23,103,527 | $118.95 | 475 |
| 2026 Q1 | 46,986,540 | $4,331,485,923 | -$53,341,618 | $92.27 | 415 |
| 2025 Q4 | 47,515,769 | $4,000,099,635 | +$95,741,468 | $84.10 | 419 |
| 2025 Q3 | 46,383,720 | $4,272,350,294 | -$115,329,848 | $92.14 | 421 |
| 2025 Q2 | 47,737,626 | $4,059,077,418 | +$111,930,321 | $85.02 | 384 |
| 2025 Q1 | 46,622,849 | $3,620,642,580 | +$65,745,430 | $77.67 | 378 |
| 2024 Q4 | 45,903,528 | $3,428,185,505 | +$22,099,990 | $74.69 | 379 |
| 2024 Q3 | 45,233,407 | $3,892,161,193 | +$156,184,520 | $86.06 | 407 |
| 2024 Q2 | 43,584,476 | $3,456,021,761 | -$73,048,483 | $79.31 | 411 |
| 2024 Q1 | 44,214,363 | $4,289,438,168 | +$79,731,269 | $97.04 | 459 |
| 2023 Q4 | 43,370,670 | $4,391,050,938 | -$150,138,220 | $101.26 | 461 |
| 2023 Q3 | 44,605,356 | $4,377,851,981 | +$79,592,193 | $98.15 | 412 |
| 2023 Q2 | 43,724,356 | $4,165,120,772 | +$148,853,756 | $95.28 | 426 |
| 2023 Q1 | 42,307,242 | $3,553,718,341 | +$26,386,229 | $84.00 | 379 |
| 2022 Q4 | 42,074,864 | $3,439,202,932 | -$24,837,040 | $81.70 | 376 |
| 2022 Q3 | 41,887,631 | $3,053,427,350 | -$44,208,453 | $72.81 | 346 |
| 2022 Q2 | 42,188,584 | $3,168,178,041 | -$54,245,185 | $75.11 | 346 |
| 2022 Q1 | 43,826,104 | $3,731,881,942 | +$124,334,497 | $85.21 | 361 |
| 2021 Q4 | 42,131,401 | $3,538,764,403 | -$5,978,997 | $84.06 | 376 |
| 2021 Q3 | 42,154,366 | $3,381,737,302 | -$23,577,482 | $80.19 | 348 |
| 2021 Q2 | 42,231,220 | $3,788,016,204 | -$92,303,584 | $89.73 | 344 |
| 2021 Q1 | 43,320,046 | $3,907,303,647 | +$172,301,365 | $90.19 | 365 |
| 2020 Q4 | 41,580,728 | $3,508,137,406 | +$70,209,180 | $84.39 | 350 |
| 2020 Q3 | 40,834,286 | $2,584,389,541 | +$45,906,859 | $63.28 | 321 |
| 2020 Q2 | 39,760,240 | $2,891,873,437 | -$46,763,750 | $72.81 | 341 |