Security key
047649108
- Security type / class
- Equity / Common Stock
- Total 13F shares
- 32,489,711
- Total 13F value
- $1,914,258,390
- Share change
- -177,553
- Put/Call ratio
- 68%
- SEC-reported price per share
- $58.91
- Number of holders
- 302
- Value change
- -$16,557,553
- Number of buys
- 143
- Number of sells
- 144
- Shares outstanding
- 33,778,610
Holder snapshot
7 signals
Open additional details 1 more signal available
Security identity
Names, identifiers, and filing context for this profile.
1 source field
Report period
Q1 2026
Institutions
302
Top holders
10
ATKR full security history
Ownership snapshot
Full 13F holder table
Newer quarter: Q2 2026
Atkore Inc. SEC filings
Atkore Inc. company facts
Broader feeds
Reporting periods
Holder history for CUSIP 047649108
Recent filing periods:
Ownership snapshot
Top reported holders of ATKR - Atkore Inc. - Common Stock (13F + 13D/G + 3/4/5)
Grouped by holder across the latest SEC ownership disclosures. Start with comparable ownership when available, then verify the linked 13F, 13D/G, or 3/4/5 evidence.
Comparable stake leader
Gates Capital Management,...
Disclosed value leader
VANGUARD GROUP INC
Comparable rows
15/15
Latest evidence
31 Mar 2026
13D/G
13F
Lead comparable stake: 7.8%
13D/G row: Gates Capital Management, Inc.
Showing 1-6 of 15 holder rows.
Quick read
Gates Capital Management, Inc. leads the comparable SEC ownership view at 7.8%.
15 of 15 rows have a safely comparable ownership percentage. Use this as a filing-backed starting point, then open the detailed table for source links, reporting role, position value, share count, and filing date.
Open SEC evidence
Opens Gates Capital Management, Inc.'s linked filing trail.
Comparable ownership
Top 5
Gates Capital Management, Inc.
7.8%
BlackRock, Inc.
7.3%
VANGUARD PORTFOLIO MANAGEMENT LLC
6.3%
VANGUARD CAPITAL MANAGEMENT LLC
5.2%
FIRST TRUST PORTFOLIOS LP
3.9%
Ownership % is shown only when SEC disclosures are safely comparable across share classes.
Detailed SEC evidence table Showing 1-6 of 15 holder rows
| Holder | Evidence | Ownership % | Position | 12M Net Δ | As of |
|---|---|---|---|---|---|
| Gates Capital Management, Inc. |
13D/G
13F
Gates Capital Management, L.P. · Company
|
7.8%
|
$197,035,329
2,628,189 shares
|
-$47,746,294 | 30 Jun 2025 |
| BlackRock, Inc. |
13F
13D/G
Company
|
7.3%
from 13D/G
|
$161,648,314
2,555,705 shares
|
— | 31 Dec 2025 |
| VANGUARD PORTFOLIO MANAGEMENT LLC |
13D/G
Vanguard Portfolio Management
|
6.3%
|
$124,742,384
2,117,497 shares
|
$0 | 31 Mar 2026 |
| VANGUARD CAPITAL MANAGEMENT LLC |
13D/G
Vanguard Capital Management
|
5.2%
|
$104,470,171
1,773,377 shares
|
$0 | 31 Mar 2026 |
| FIRST TRUST PORTFOLIOS LP |
13D/G
First Trust Portfolios L.P.
|
3.9%
|
$81,974,453
1,306,574 shares
|
-$26,000,209 | 30 Sep 2025 |
| VANGUARD GROUP INC |
13F
Company
|
11%
|
$229,973,205
3,635,940 shares
|
— | 31 Dec 2025 |
How to read this table
Rows are grouped by holder and ranked first by SEC-reported ownership % when it is safely comparable, then by disclosed holdings value. — indicates unavailable or non-comparable values; "mixed-class rows" means the latest filing spans non-comparable classes.
13F holder rows
Institutional holders as of Q1 2026
Investor-level positions for this CUSIP, loaded as an interactive table.
Institutions
302
Shares
32,489,711
Rows available
302
| Investor | Option | Weight % | Change % | SEC-reported value | * Price | Shares | Share Change | Activity | Report Period |
|---|
* SEC-reported price is the security price as of the portfolio date and can indicate the last known price at which the security was still held. The marker flags a reported price that did not pass the local price check.
Compare Q1 2026 vs Q1 2026 Across Filers
Q1 2026 holders
302
Q1 2026 holders
302
Holder diff
0
| Investor | Q1 2026 Shares | Q1 2026 Shares | Share Diff | Share Chg % | Q1 2026 value | Q1 2026 value | Value change | Value Chg % |
|---|
Trend: ostatnie 8 kwartałów (+ wybrane okresy porównania).
Quarterly Holders Trend
Quarterly Value Trend
Quarterly Shares Trend