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Atkore (ATKR): which funds own it

Industrials →Data as of Jun 30, 2026 (Q2 2026) · updated on Nov 5, 2026

A 13F shows the portfolio at quarter-end and is filed up to 45 days later: these are not real-time positions and they may have changed.

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3 concentrated managers hold it (−1 vs last quarter) with a median weight of 0.4%.

Who owns Atkore?

Holders reporting more than 5% of the shares to the SEC (Schedules 13D/13G): BlackRock, 7.3% (13G/A filed Oct 17, 2025), American Century Investment Management, 5.3% (13G filed Aug 14, 2026), Vanguard Capital Management, 5.3% (13G filed Apr 29, 2026), Gates Capital Management, 5.1% (13G/A filed Aug 14, 2026) and Vanguard Portfolio Management, 5.0% (13G/A filed Oct 30, 2026). As of Jun 30, 2026, the largest holders reported on Form 13F were BlackRock (9.2% of the shares), Vanguard Portfolio Management (6.3%) and American Century Companies (5.3%).

Which institutions hold the most Atkore shares?

Per Form 13F filings as of Jun 30, 2026, as a share of all shares outstanding:

  1. 1. BlackRock: 9.2%
  2. 2. Vanguard Portfolio Management: 6.3%
  3. 3. American Century Companies: 5.3%
  4. 4. Gates Capital Management: 5.1%
  5. 5. Vanguard Capital Management: 4.5%
  6. 6. Dimensional Fund Advisors: 3.8%
  7. 7. LSV Asset Management: 3.2%
  8. 8. State Street: 2.7%
  9. 9. Geode Capital Management: 2.7%
  10. 10. Earnest Partners: 2.3%

How much of Atkore do institutions own?

The 327 institutions that file 13F reported 97.4% of the shares as of Jun 30, 2026.

Sources:13G/A by BlackRock (Oct 17, 2025) ↗13G by American Century Investment Management (Aug 14, 2026) ↗13G by Vanguard Capital Management (Apr 29, 2026) ↗13G/A by Gates Capital Management (Aug 14, 2026) ↗13G/A by Vanguard Portfolio Management (Oct 30, 2026) ↗All of the company's proxy statements on EDGAR ↗

13F percentages divide the shares each institution reports by the shares outstanding on the cover of the company's latest report before the quarter end (May 1, 2026). Entities of the same group file separately and are not added up. We hold 13D and 13G filings made since Dec 23, 2024: a holder above 5% that has not filed since then does not appear here.

Atkore revenue

Atkore reported annual revenue of $2.85 billion for fiscal year 2025 (year ended September 30, 2025), according to its Form 10-K filed with the SEC (XBRL data).

Concentrated managers
3
All 13F: 327
Consensus
—
No score: it needs 5 or more concentrated managers
Price at Jun 30, 2026 (per 13F)
$76.04
+29.1% in the quarter · reported value ÷ shares, not the quote · See current quote ↗

Quarter flow (concentrated managers)

Change in managers (4 → 3): 0 opened · 1 exited = −1

Net flow in the quarter: −$82.5M (−1.1 M shares) · bought $0 and sold $82.5MShares concentrated managers added minus those they cut, valued at the 13F quarter-end implied price, not each trade's price. It is a different measure from the change in managers: the two can have opposite signs.

The set of concentrated managers changed between quarters: with the set as it was then, 5 held it last quarter (the chart point); with today's set, 4 (the base for the change).

Concentrated managers holding it

Up to 15, sorted by position value. The percentage is the weight in each manager's portfolio.

Largest holders of ATKR (all 13F filers)

The 10 13F filers with the most shares as of Jun 30, 2026, whatever their type (index firms usually come first). “Change”: shares added or cut versus the previous quarter, split-adjusted; “no data” = there is no comparable portfolio for the previous quarter (no filing, or a filing with its holdings under confidential treatment). “% of the company” only where shares outstanding are up to date. Entities of the same group file separately and some 13F filings include other managers: there may be double counting. With a free account: the top 25, the largest buyers and the largest sellers.

Held by institutions (13F)

Institutions (13F): 97.4% of the shares · top 10: 45.1% · in index firms: 35.3% of the institutional total

Share of the stock held by 13F filers

Q2 2026: 97.4%

109.7%93.5%
Q3 2021Q2 2026

Shares reported by the 327 13F filers as of Jun 30, 2026, divided by the shares outstanding on the cover of the company's latest report (May 1, 2026). It is not all institutional ownership: only managers above $100M file a 13F, and it excludes short positions. Entities of the same group file separately and some 13F filings include other managers: there may be double counting. We only publish it where the figure is credible: not for ADRs, companies with more than one share class or stale shares-outstanding data.

Fundamentals

12-month figures to Jun 26, 2026 · balance sheet as of Jun 26, 2026.

Profitability
Operating margin
1.3%
Net margin
-5.5%
ROE
-12.7%
Growth
Revenue (TTM)
$2.9 bn
Revenue growth
1.6%
Net income (TTM)
$-163M
Balance sheet
Net debt / EBITDA
2.5x
Free cash flow (TTM)
$57.5M
Quality vs sector
14/100

Figures from the statements the company filed with the SEC (10-K, 10-Q). Free cash flow = operating cash flow − capital expenditures; empty if the company does not report capex. “Quality vs sector”: 0 to 100, the average of its percentiles in ROE, operating margin, free-cash-flow margin, revenue and earnings growth and net debt / EBITDA (at least 3 needed) against companies in its sector above $300M. How each figure is calculated

Shares outstanding: buybacks and dilution

Diluted shares by fiscal year (split-adjusted)

2025: 34.0 M

66.6 M0
20162025
1 year
−7.5%
3 years
−23.1%
5 years
−29.2%
Buybacks (FY 2025)
$100M
Share issuance
$-6.2M
Stock-based compensation
$23.6M0.8% of revenue
Dividends paid
no data

From the statements the company filed with the SEC (10-K). The change compares average diluted shares of each fiscal year, on today's basis: negative = it bought back more than it issued; positive = dilution. “No data” = the company does not report that item under a tag we can read; it does not mean zero.

Earnings quality and debt

Operating cash flow ÷ net income (12 months)
no datanot calculated with negative net income
Interest coverage (operating income ÷ interest)
no data
Debt due within 12 months
$3.7M0.01 times cash and investments
Debt maturities by year (note as of Sep 30, 2025)
  • Year 1$3.7M
  • Year 2$3.7M
  • Year 3$3.7M
  • Year 4$3.7M
  • Year 5$3.7M
  • Later$754M

From the figures the company filed with the SEC. Cash flow over net income near or above 1 means earnings are collected in cash; far below, that part is accounting. Coverage says how many times operating income pays the latest fiscal year's interest. Maturities come from the debt note of the latest annual report, counted from its closing date. “No data” never means zero.

Insiders (Form 4)

Officers and directors who bought (6 m)
0
Amount (6 m)
$0
CEO/CFO bought (12 m)
No

10% owners who bought (6 m): 0

Open-market purchases, excluding 10b5-1 plans. Officers and directors only; joint filers of the same purchase count as one. 10% owners with no role are shown separately. 0 = nobody bought; “no data” = we do not have its Form 4 filings.

Each of the company's Form 4 filings, on EDGAR ↗Latest trades, with date and filing →

Above 5% (13D/13G)

Disclosed stakes, with their amendments. A filing is not always a purchase: there are also reductions and changes of filing entity.

This list may be incomplete: we hold 13D and 13G filings made since Dec 23, 2024. A holder above 5% that has not filed anything since then is not shown here.

Above 5% over time (13D/13G)

Each holder with its filings in order. History since December 2024.

Flagged material events (8-K)

  • Oct 19, 2026Seriousfiling ↗

    Notice of delisting or failure to meet a listing rule (Item 3.01)

  • Oct 19, 2026Routinefiling ↗

    Change in directors or officers (Item 5.02)

  • Dec 2, 2025Routinefiling ↗

    Change in directors or officers (Item 5.02)

Alert items the company itself flagged in its 8-K filings with the SEC, most serious first. It is the form's label, with no interpretation from us: Item 5.02 covers routine appointments as well as a chief executive's departure; open the filing. The quoted headline is the original press release's.

All material events (8-K)

Earnings, agreements, financing, management changes and announcements from the last year, with a filter by type and a link to each filing.

Other Industrials stocks in managers' portfolios

Same sector and a similar number of concentrated managers holding them. It is a list to keep exploring, not a recommendation.

All of Industrials →

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