Who owns MSC Industrial Direct Co., Inc.?
Institutional ownership of MSM from SEC Form 13F filings across 300 reporting managers. All positions are from one synchronized reporting period — 2026-06-30 books, filed up to 45 days after quarter end — so every row is comparable.
300
13F holders
$3.73B
value, 2026 filers
57.1%
of shares outstanding (31.9M sh)
57
new positions (2026 filers)
Top institutional holders
ordered by shares owned · positions as of 2026-06-30· % of fund = share of the manager's own book · % of co. = share of MSM's shares outstanding
| # | Manager | Shares | Value | % of fund | % of co. | Δ shares QoQ |
|---|---|---|---|---|---|---|
| 1 | BlackRock, Inc. | 5.6M | $661.4M | 0.0% | 10% | +2.4% |
| 2 | VANGUARD PORTFOLIO MANAGEMENT LLC | 2.1M | $254.5M | 0.0% | 3.8% | +0.3% |
| 3 | VANGUARD CAPITAL MANAGEMENT LLC | 2.0M | $241.0M | 0.0% | 3.6% | -49.4% |
| 4 | AMERICAN CENTURY COMPANIES INC | 1.7M | $207.4M | 0.1% | 3.1% | -33.3% |
| 5 | FIRST TRUST ADVISORS LP | 1.7M | $199.5M | 0.1% | 3% | -5.4% |
| 6 | Sixth Street Partners Management Company, L.P.NEW | 1.5M | $182.1M | 31.4% | 2.7% | new |
| 7 | CHARLES SCHWAB INVESTMENT MANAGEMENT INC | 1.5M | $182.1M | 0.0% | 2.7% | +9.9% |
| 8 | GEODE CAPITAL MANAGEMENT, LLC | 1.2M | $139.0M | 0.0% | 2.1% | +5.5% |
| 9 | MORGAN STANLEY | 783,623 | $93.2M | 0.0% | 1.4% | +27.2% |
| 10 | VICTORY CAPITAL MANAGEMENT INC | 751,553 | $89.4M | 0.1% | 1.3% | -19.4% |
| 11 | Quantinno Capital Management LP | 653,578 | $77.7M | 0.1% | 1.2% | +41.5% |
| 12 | CITADEL ADVISORS LLC | 619,507 | $73.7M | 0.0% | 1.1% | +55.5% |
| 13 | Bank of New York Mellon Corp | 470,840 | $56.0M | 0.0% | 0.8% | -3.3% |
| 14 | Allianz Asset Management GmbH | 444,741 | $52.9M | 0.0% | 0.8% | -5.8% |
| 15 | NORTHERN TRUST CORP | 435,234 | $51.8M | 0.0% | 0.8% | +1.2% |
| 16 | GOLDMAN SACHS GROUP INC | 402,667 | $47.9M | 0.0% | 0.7% | +34.2% |
| 17 | NORGES BANKNEW | 398,005 | $47.3M | 0.0% | 0.7% | new |
| 18 | FMR LLC | 392,387 | $46.7M | 0.0% | 0.7% | -5.2% |
| 19 | Invesco Ltd. | 375,210 | $44.6M | 0.0% | 0.7% | -67.4% |
| 20 | BANK OF AMERICA CORP /DE/ | 366,572 | $43.6M | 0.0% | 0.7% | +19.5% |
| 21 | ALLIANCEBERNSTEIN L.P. | 352,999 | $32.6M | 0.0% | 0.6% | +0.2% |
| 22 | FIL Ltd | 352,087 | $41.9M | 0.0% | 0.6% | +7.8% |
| 23 | AMERIPRISE FINANCIAL INC | 331,101 | $39.4M | 0.0% | 0.6% | +77.3% |
| 24 | Freestone Grove Partners LP | 321,239 | $38.2M | 0.2% | 0.6% | +3876.7% |
| 25 | Qube Research & Technologies Ltd | 292,848 | $34.8M | 0.0% | 0.5% | +476.4% |
Source: SEC Form 13F-HR filings (institutional managers over $100M in US-listed positions). 13Fs disclose long positions only, up to 45 days after quarter end; each manager's latest filed quarter is shown per row and dollar values are the manager's filed marks. Aggregates labeled "2026 filers" count only managers whose latest book is a 2026 quarter. Related: valuation · options positioning · supply chain. Research, not investment advice.