Latest Period
Q1 2026
Security Snapshot
MSC INDUSTRIAL DIRECT CO INC - Common Stock (MSM) Institutional Ownership
CUSIP: 553530106
13F Institutional Holders and Ownership History from Q1 2014 to Q1 2026
Institutions Reporting
412
Shares (Excl. Options)
46,946,515
Price
$92.27
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- Security type / class
- Equity / Common Stock
- Symbol
- MSM on NYSE
- All holders as of 31 Mar 2026
- Q1 2026
- Total 13F shares
- 46,946,515
- Total 13F value
- $4,327,792,877
- Portfolio coverage rank
- 0%
- Share change
- -787,521
- Value change
- -$54,169,084
- Number of holders
- 412
- Shares outstanding
- 55,594,957
- SEC-reported price per share
- $104.31
- Insider filing price
- $104.31
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 - Common Stock is tracked under CUSIP 553530106.
- 412 institutions reported positions in Q1 2026.
- 2 significant owners is listed from Schedule 13D/13G reporting.
Change
- Holder count moved from 418 to 412 between Q4 2025 and Q1 2026.
- SEC-reported value moved from $4,000,099,467 to $4,327,792,877.
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 412 institutions filings for Q1 2026.
Security key
553530106
Latest holder period
Q1 2026
13F holders
412
13D/G owners
2
CIK / CUSIP context first
Open Q1 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
2
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 | |||
| 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 31 Mar 2026, 412 institutional investors reported holding 46,946,515 shares of MSC INDUSTRIAL DIRECT CO INC - Common Stock (MSM). This represents 84% of the company’s total 55,594,957 outstanding shares.
13F concentration
Top 25 institutional shareholders
Largest 13F positions for this security by reported shares and value.
Top holder share
57%
| Institution | Ownership % | Shares Held | Share Change % | Portfolio % | Holdings Value |
|---|---|---|---|---|---|
| BlackRock, Inc. | 9.8% | 5,432,644 | +1.7% | 0.01% | $501,270,065 |
| AMERICAN CENTURY COMPANIES INC | 4.7% | 2,612,963 | -7.7% | 0.12% | $241,098,269 |
| VANGUARD PORTFOLIO MANAGEMENT LLC | 3.8% | 2,132,857 | 0% | 0.01% | $196,798,715 |
| VANGUARD CAPITAL MANAGEMENT LLC | 3.6% | 2,001,945 | 0% | 0% | $184,719,465 |
| FULLER & THALER ASSET MANAGEMENT, INC. | 3.2% | 1,785,596 | -0.6% | 0.55% | $164,756,922 |
| FIRST TRUST ADVISORS LP | 3.2% | 1,773,133 | +21% | 0.12% | $163,606,885 |
| Boston Partners | 3% | 1,660,501 | -4.2% | 0.16% | $153,205,908 |
| STATE STREET CORP | 2.5% | 1,410,760 | -12% | 0% | $130,170,825 |
| CHARLES SCHWAB INVESTMENT MANAGEMENT INC | 2.5% | 1,393,062 | -18% | 0.02% | $128,537,831 |
| DIMENSIONAL FUND ADVISORS LP | 2.4% | 1,357,419 | +1.1% | 0.03% | $125,240,063 |
| Invesco Ltd. | 2.1% | 1,150,782 | -8.6% | 0.02% | $106,182,655 |
| GEODE CAPITAL MANAGEMENT, LLC | 2% | 1,107,530 | +5% | 0.01% | $102,210,233 |
| Epoch Investment Partners, Inc. | 1.8% | 976,631 | -0.23% | 0.55% | $90,113,743 |
| VICTORY CAPITAL MANAGEMENT INC | 1.7% | 932,321 | -5.7% | 0.06% | $86,025,258 |
| MILLENNIUM MANAGEMENT LLC | 1.3% | 728,602 | +71% | 0.05% | $67,228,107 |
| DEPRINCE RACE & ZOLLO INC | 1.3% | 705,775 | +43% | 1.2% | $65,121,859 |
| MORGAN STANLEY | 1.1% | 616,204 | -8.1% | 0% | $56,857,271 |
| Alberta Investment Management Corp | 1.1% | 602,000 | -2.8% | 0.34% | $55,546,540 |
| NEW SOUTH CAPITAL MANAGEMENT INC | 1% | 578,751 | -6.9% | 2.6% | $53,401,355 |
| MACKENZIE FINANCIAL CORP | 1% | 563,100 | -3.3% | 0.06% | $51,957,237 |
| Point72 Asset Management, L.P. | 0.96% | 531,418 | +1185% | 0.09% | $49,033,939 |
| Bank of New York Mellon Corp | 0.88% | 487,074 | -1% | 0.01% | $44,942,354 |
| Boston Trust Walden Corp | 0.88% | 486,508 | -12% | 0.37% | $44,890,093 |
| Allianz Asset Management GmbH | 0.85% | 471,976 | +53% | 0.05% | $43,549,226 |
| Quantinno Capital Management LP | 0.83% | 461,835 | -17% | 0.07% | $42,613,552 |
Quarter history
Institutional holders across reporting periods
Holder count, reported shares/value, and median price by quarter.
Periods
49
Latest
Q1 2026
Rows shown
1-25 of 49
| Period | 13F Shares, Excl. Options | Value, Excl. Options | Value Change | Price (Median) | Investors |
|---|---|---|---|---|---|
| 2026 Q1 | 46,946,515 | $4,327,792,877 | -$54,169,084 | $92.27 | 412 |
| 2025 Q4 | 47,515,767 | $4,000,099,467 | +$95,741,468 | $84.10 | 418 |
| 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 |
| 2020 Q1 | 40,732,828 | $2,240,024,496 | -$163,488,068 | $54.97 | 305 |