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Of the 11 tracked institutions holding ATKR, 5 have a 3-year clone track record — 4 of them beat the S&P. Average holder's clone alpha: +2.6pt. It's a gauge of who owns the name, not just how many.
Among the 11 tracked institutional investors we monitor, ATKR (ATKORE INC) is held with a combined value of $448.09M across 7,338,419 shares. The largest holder is VANGUARD GROUP INC with a position worth $229.97M. 7 funds increased their holdings. 4 funds reduced their position.
Total Institutional Value
$448.09M
Total Shares Held
7,338,419
Institutional Holders
11
Ranked by estimated dollars moved (share change × implied price). 13F data lags up to 45 days.
| # | Fund | Value↓ | Portfolio % | Change |
|---|---|---|---|---|
| 1 | VANGUARD GROUP INC | $229.97M | 0.00% | +0.1% |
| 2 | BlackRock, Inc. | $154.74M | 0.00% | +2.8% |
| 3 | STATE STREET CORP | $49.20M | 0.00% | +0.9% |
| 4 | CITADEL ADVISORS LLC | $3.81M | 0.00% | -56.2% |
| 5 | AQR CAPITAL MANAGEMENT LLC | $3.00M | 0.00% | +2.5% |
| 6 | MILLENNIUM MANAGEMENT LLC | $2.31M | 0.00% | +18.0% |
| 7 | PRICE T ROWE ASSOCIATES INC /MD/ | $2.27M | 0.00% | +17.8% |
| 8 | Magnetar Financial LLC | $1.50M | 0.02% | +32.3% |
| 9 | FMR LLC | $590.85K | 0.00% | -14.9% |
| 10 | Grantham, Mayo, Van Otterloo & Co. LLC | $403.89K | 0.00% | -2.9% |
| Member | Type | Date |
|---|---|---|
| Thomas R Carper | Sell | May 9, 2024 |
As of the latest SEC 13F filings, VANGUARD GROUP INC is the largest institutional holder of ATKR with a position worth $229.97M, representing 0.00% of their portfolio. In total, 11 institutional investors hold ATKR with a combined value of $448.09M.
Institutional investors hold $448.09M worth of ATKR stock across 11 positions. The largest institutional holder is VANGUARD GROUP INC with $229.97M in holdings.
A 13F filing is a quarterly report required by the SEC from institutional investment managers with over $100 million in assets. It discloses their holdings in U.S. equities. For ATKR, these filings reveal which major funds are accumulating or reducing positions, providing insights into institutional sentiment.
Get notified when hedge funds change their ATKR positions.
Alpha = the manager's 3-year clone return minus the S&P 500. A skilled roster is a stronger tell than a crowded one — though even skilled managers' edge doesn't reliably survive the 13F disclosure lag. Why →
Last Close
$76.63
2026-07-24
YTD
+18.9%
72% of 52-week range
