MSM MSC INDUSTRIAL DIRECT CO INC: institutional ownership and insider trading
520 funds reported holding $5.95B of MSC INDUSTRIAL DIRECT CO INC in their latest 13F filings; in Q2 2026 funds net sold $17.4M, with 102 new positions and 41 funds selling out; over the last 12 months insiders bought $18.0M and sold $156K on the open market.
Famous investors holding MSM
- Ken Griffin (Citadel Advisors): $76.0M, 0.0% of the portfolio
- Izzy Englander (Millennium Management): $29.6M, 0.0% of the portfolio
- Two Sigma (Two Sigma Investments): $19.1M, 0.0% of the portfolio
- Renaissance Technologies (Renaissance Technologies): $6.29M, 0.0% of the portfolio
Largest institutional holders of MSM
- BlackRock, Inc. (BLK) — $661M
- VANGUARD GROUP INC — $355M
- VANGUARD PORTFOLIO MANAGEMENT LLC — $254M
- VANGUARD CAPITAL MANAGEMENT LLC — $241M
- FULLER & THALER ASSET MANAGEMENT, INC. — $225M
- AMERICAN CENTURY COMPANIES INC — $207M
- Boston Partners — $204M
- FIRST TRUST ADVISORS LP — $199M
- CHARLES SCHWAB INVESTMENT MANAGEMENT INC — $182M
- STATE STREET CORP (STT, STT-PG) — $174M
Recent MSM insider trades
- Oct 23, 2026: Slone Reuben E bought 433 shares ($50.1K)
- Feb 2, 2026: Seseri Rudina sold 1,800 shares ($156K)
- Nov 18, 2025: Jacobson Mitchell bought 22,870 shares ($1.94M)
- Nov 13, 2025: Peller Philip bought 6,666 shares ($601K)
5%+ owners
- Harlan B. Korenvaes: 5.9% (Schedule 13G, filed Aug 11, 2026)