Atkore Ownership | Who Owns Atkore?
Atkore Ownership Summary
Atkore is owned by 99.98% institutional investors, 1.02% insiders. Vanguard group is the largest institutional shareholder, holding 10.91% of ATKR shares. Avantis US Small Cap Value ETF is the top mutual fund, with 5.56% of its assets in Atkore shares.
ATKR Ownership Benchmark
| Type | Name | % Inst | % Insiders | % Retail |
|---|---|---|---|---|
| Stock | Atkore | 99.98% | 1.02% | -1.00% |
| Sector | Industrials Stocks | 68.57% | 16.28% | 15.16% |
| Industry | Electrical Equipment Stocks | 54.68% | 15.65% | 29.67% |
Institutional Shareholders
Top Institutional Shareholders by Total Shares
| Holder | Shares | % Holding | Value |
|---|---|---|---|
| Vanguard group | 3.64M | 10.91% | $229.97M |
| Blackrock | 3.94M | 10.72% | $531.40M |
| Blackrock funding, inc. /de | 3.12M | 9.35% | $236.96M |
| American century companies | 1.78M | 5.33% | $134.98M |
| Gates capital management | 1.71M | 5.13% | $130.04M |
| Vanguard capital management | 1.52M | 4.57% | $115.90M |
| Dimensional fund advisors lp | 1.30M | 3.90% | $98.83M |
| Lsv asset management | 1.09M | 3.28% | $83.16M |
| State street | 906.42K | 2.72% | $68.92M |
| Geode capital management | 902.49K | 2.71% | $68.64M |
Top Institutional Shareholders by % of Total Assets
| Holder | Shares | % Assets | Value |
|---|---|---|---|
| Chicago capital management | 130.45K | 8.54% | $9.43M |
| Transmarket lp | 106.08K | 5.61% | $10.05M |
| Versor investments lp | 20.11K | 3.19% | $1.91M |
| Gates capital management | 1.71M | 3.13% | $130.04M |
| Kestrel investment management | 74.15K | 3.07% | $5.64M |
| Decade renewable partners lp | 58.80K | 2.40% | $4.91M |
| Towle | 85.79K | 2.21% | $6.52M |
| Pelham capital | 25.70K | 2.08% | $3.47M |
| Irenic capital management lp | 507.61K | 1.85% | $38.60M |
| Hill city capital, lp | 724.11K | 1.41% | $55.06M |
Top Buyers
| Holder | Shares | % Assets | Change |
|---|---|---|---|
| T. rowe price investment management | 647.88K | 0.03% | 647.88K |
| Irenic capital management lp | 507.61K | 1.85% | 493.64K |
| Blackrock funding, inc. /de | 3.12M | 0.00% | 489.43K |
| Sixth street partners management company | 453.96K | 0.00% | 453.96K |
| Boston partners | 367.81K | 0.02% | 367.81K |
Top Sellers
| Holder | Shares | % Assets | Change |
|---|---|---|---|
| Gates capital management | 1.71M | 3.13% | -975.53K |
| Coliseum capital management | - | - | -947.07K |
| First trust advisors lp | 533.06K | 0.02% | -693.78K |
| Clearbridge investments | - | - | -476.57K |
| River road asset management | 336.27K | 0.24% | -456.15K |
New Positions
| Holder | Shares | % Assets | Change | Value |
|---|---|---|---|---|
| T. rowe price investment management | 647.88K | 0.03% | 647.88K | $49.27M |
| Sixth street partners management company | 453.96K | 0.00% | 453.96K | $34.52M |
| Boston partners | 367.81K | 0.02% | 367.81K | $27.87M |
| Chicago capital management | 130.45K | 8.54% | 130.45K | $9.43M |
| Trexquant investment lp | 113.41K | 0.05% | 113.41K | $8.62M |
Sold Out
| Holder | Change |
|---|---|
| Stephens consulting | -1.00 |
| Cullen/frost bankers | -1.00 |
| Capital performance advisors llp | -1.00 |
| Tfo-tdc | -1.00 |
| True wealth design | -1.00 |
Institutional Ownership Trends
| Date | Holdings | Change % | Shares | Change % | Ownership | Change % | Increased Position | Change % | Decreased Position | Change % |
|---|---|---|---|---|---|---|---|---|---|---|
| Jun 30, 2026 | 336 | 7.35% | 33,313,796 | 2.54% | 99 | 1.05% | 186 | 20.00% | 87 | -8.42% |
| Mar 31, 2026 | 303 | -5.31% | 31,821,882 | -0.97% | 95 | 1.03% | 152 | -1.30% | 90 | -18.92% |
| Dec 31, 2025 | 97 | -69.01% | 5,805,479 | -82.04% | 17 | 0.19% | 44 | -68.57% | 33 | -72.95% |
| Sep 30, 2025 | 113 | -62.71% | 7,987,892 | -75.64% | 23 | 0.25% | 42 | -73.42% | 54 | -49.06% |
| Jun 30, 2025 | 300 | -2.60% | 32,706,273 | -1.31% | 97 | 1.03% | 158 | -0.63% | 103 | -0.96% |
Top Mutual Funds Shareholders
| Holder | Shares | % Holding | Change |
|---|---|---|---|
| Avantis US Small Cap Value ETF | 1.88M | 5.56% | 4.73K |
| Vanguard US Total Market Shares ETF | 1.16M | 3.38% | 979.00 |
| Vanguard MStar Total Stk Mkt Idx Invest | 1.08M | 3.20% | 3.52K |
| Vanguard Morn Total Stk Mkt Idx Investor | 1.07M | 3.18% | -947.00 |
| Vanguard Total Stock Mkt Idx Inv | 1.07M | 3.18% | -947.00 |
| iShares Russell 2000 ETF | 886.62K | 2.63% | -10.24K |
| First Trust RBA Amer Indl RenaisTM ETF | 837.13K | 2.48% | 4.42K |
| Vanguard Small Cap Index | 760.55K | 2.25% | -15.87K |
| Victory Sycamore Small Company Opp R | 710.00K | 2.11% | 270.00K |
| Global X US Infrastructure Dev ETF | 601.54K | 1.78% | 4.32K |
Recent Insider Transactions
| Date | Name | Role | Activity | Value |
|---|---|---|---|---|
| Aug 10, 2026 | Lamps Mark F. | Pres. Safety & Infrastructure | Sell | $28.13K |
| May 08, 2026 | James Wilbert W Jr | - | Sell | $242.82K |
| May 08, 2026 | Kershaw Justin A | - | Sell | $206.21K |
| Feb 17, 2026 | Lamps Mark F. | Pres. Safety & Infrastructure | Sell | $65.78K |
| Nov 17, 2025 | Lamps Mark F. | Pres. Safety & Infrastructure | Sell | $64.75K |
Insider Transactions Trends
| Date | Buy | Sell |
|---|---|---|
| 2026 Q4 | - | - |
| 2026 Q3 | - | 1 |
| 2026 Q2 | - | 2 |
| 2026 Q1 | - | 1 |
| 2025 Q4 | - | 1 |
ATKR Ownership FAQ
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