ATKR Atkore Inc.: institutional ownership and insider trading
340 funds reported holding $2.76B of Atkore Inc. in their latest 13F filings; in Q2 2026 funds net bought $35.8M, with 61 new positions and 38 funds selling out; over the last 12 months insiders bought $0 and sold $608K on the open market.
Famous investors holding ATKR
- Two Sigma (Two Sigma Investments): $30.6M, 0.0% of the portfolio
- D. E. Shaw (D. E. Shaw & Co.): $11.1M, 0.0% of the portfolio
- Ray Dalio (Bridgewater Associates): $1.66M, 0.0% of the portfolio
- Ken Griffin (Citadel Advisors): $3.76M, 0.0% of the portfolio
- Izzy Englander (Millennium Management): $1.81M, 0.0% of the portfolio
Largest institutional holders of ATKR
- BlackRock, Inc. (BLK) — $237M
- VANGUARD GROUP INC — $230M
- VANGUARD PORTFOLIO MANAGEMENT LLC — $161M
- AMERICAN CENTURY COMPANIES INC — $135M
- Gates Capital Management, Inc. — $130M
- VANGUARD CAPITAL MANAGEMENT LLC — $116M
- DIMENSIONAL FUND ADVISORS LP — $98.8M
- LSV ASSET MANAGEMENT — $83.2M
- STATE STREET CORP (STT, STT-PG) — $68.9M
- GEODE CAPITAL MANAGEMENT, LLC — $68.6M
Recent ATKR insider trades
- Aug 10, 2026: Lamps Mark F. sold 300 shares ($28.1K)
- May 8, 2026: James Wilbert W Jr sold 3,299 shares ($243K)
- May 8, 2026: Kershaw Justin A sold 2,799 shares ($206K)
- Feb 17, 2026: Lamps Mark F. sold 1,000 shares ($65.8K)
5%+ owners
- Vanguard Portfolio Management: 6.3% (Schedule 13G, filed Apr 28, 2026)
- Vanguard Capital Management: 5.3% (Schedule 13G, filed Apr 29, 2026)
- Gates Capital Management, L.P.: 5.1% (Schedule 13G/A, filed Aug 14, 2026)