MSC Industrial Direct Company Inc
Ownership
Ownership Structure
Who owns MSC Industrial Direct Company Inc (MSM)? This page shows the largest institutions and funds, the ownership structure and the latest insider transactions. 74.1% of the shares are freely tradable; institutional investors hold 89.0%.
Largest Shareholders
Institutions
| Name | Stake (%) | Shares | Change (%) | Date |
|---|---|---|---|---|
| BlackRock Inc | 9.96 | 5,560,498 | +2.4 | 06/30/2026 |
| Vanguard Portfolio Management, LLC | 3.83 | 2,139,176 | +0.3 | 06/30/2026 |
| Vanguard Capital Management, LLC | 3.63 | 2,026,407 | +1.2 | 06/30/2026 |
| Fuller & Thaler Asset Management Inc | 3.38 | 1,887,419 | +5.7 | 06/30/2026 |
| American Century Companies Inc | 3.12 | 1,743,956 | -33.3 | 06/30/2026 |
| Boston Partners Global Investors, Inc | 3.07 | 1,714,389 | +3.2 | 06/30/2026 |
| First Trust Advisors L.P. | 3.00 | 1,676,859 | -5.4 | 06/30/2026 |
| Charles Schwab Investment Management Inc | 2.74 | 1,530,616 | +9.9 | 06/30/2026 |
| State Street Corp | 2.62 | 1,463,620 | +3.7 | 06/30/2026 |
Funds
| Name | Stake (%) | Shares | Change (%) | Date |
|---|---|---|---|---|
| iShares Core S&P Mid-Cap ETF | 2.63 | 1,470,608 | +0.0 | 09/30/2026 |
Largest reported positions according to regulatory filings; stake as a percentage of shares outstanding, change versus the previous filing. Source: fundamentals data.
Insider holdings
| Person | Role | Shares | Value | As of | Type |
|---|---|---|---|---|---|
| Jacobson Mitchell | Director | 6,864,316 | 830,582,236 $ | Oct 23, 2026 | both |
| McIsaac Martina | President & CEO | 9,151 | 1,107,271 $ | Oct 3, 2026 | direct |
| Slone Reuben E | Director | 433 | 52,393 $ | Oct 23, 2026 | direct |
Holdings as of each person's most recent SEC Form 4 filing — excluding options and RSUs, which are not shares yet. Holdings may have changed between two filings.
Insiders
Insider Transactions
| Date | Person | Role | Type | Shares | Price | Value |
|---|---|---|---|---|---|---|
| Oct 23, 2026 | Jacobson Mitchell | Director | Other | 8,200 | 0.00 | – |
| Oct 23, 2026 | Jacobson Mitchell | Director | Buy | 54,387 | 116.72 | 6,348,018 |
| Oct 23, 2026 | Jacobson Mitchell | Director | Buy | 134,662 | 116.00 | 15,620,119 |
| Oct 23, 2026 | Jacobson Mitchell | Director | Buy | 60,951 | 115.11 | 7,016,033 |
| Oct 23, 2026 | Slone Reuben E | Director | Buy | 63 | 116.52 | 7,341 |
| Oct 23, 2026 | Slone Reuben E | Director | Buy | 370 | 115.65 | 42,789 |
| Oct 3, 2026 | McIsaac Martina | President & CEO | Other | 481 | 130.12 | 62,588 |
| Oct 3, 2026 | McIsaac Martina | President & CEO | Other | 188 | 0.00 | – |
| Oct 3, 2026 | McIsaac Martina | President & CEO | Other | 1,173 | 0.00 | – |
Reportable transactions by officers and major shareholders from SEC Form 4 filings. "Other" includes things like stock grants and option exercises without a buy/sell character. View all insider transactions →
Data as of: October 30, 2026 · Source: fundamental data & SEC filings (annual and quarterly reports, 10-K/10-Q)
Note: pure fact-based analysis, not investment advice and not a solicitation to buy or sell. All figures without guarantee.