Security key
01741R102
- Security type / class
- Equity / Common Stock
- Total 13F shares
- 132,617,558
- Total 13F value
- $2,764,614,928
- Share change
- +3,646,621
- Put/Call ratio
- 28%
- SEC-reported price per share
- $20.85
- Number of holders
- 230
- Value change
- +$75,551,811
- Number of buys
- 93
- Number of sells
- 120
- Shares outstanding
- 136,186,000
Holder snapshot
7 signals
Show 1 more signal
Security identity
1 source field
Report period
Q2 2021
Institutions
230
Top holders
10
ATI full security history
Ownership snapshot
Full 13F holder table
Newer quarter: Q3 2021
Previous quarter: Q1 2021
ATI INC SEC filings
ATI INC company facts
Broader feeds
Reporting periods
Holder history for CUSIP 01741R102
Recent filing periods:
Ownership snapshot
Top reported holders of ATI - ATI 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
BlackRock Finance, Inc.
Disclosed value leader
BlackRock Finance, Inc.
Comparable rows
15/15
Latest evidence
31 Mar 2021
13F
Lead comparable stake: 15%
Showing 1-6 of 15 holder rows.
Quick read
BlackRock Finance, Inc. leads the comparable SEC ownership view at 15%.
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.
Comparable ownership
Top 5
BlackRock Finance, Inc.
15%
VANGUARD GROUP INC
9.8%
Capital International Investors
7.3%
STATE STREET CORP
5.8%
DIMENSIONAL FUND ADVISORS LP
5.2%
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 |
|---|---|---|---|---|---|
| BlackRock Finance, Inc. |
13F
Company
|
15%
|
$440,552,000
20,918,920 shares
|
— | 31 Mar 2021 |
| VANGUARD GROUP INC |
13F
Company
|
9.8%
|
$281,683,000
13,375,281 shares
|
— | 31 Mar 2021 |
| Capital International Investors |
13F
Company
|
7.3%
|
$210,355,000
9,988,378 shares
|
— | 31 Mar 2021 |
| STATE STREET CORP |
13F
Company
|
5.8%
|
$167,264,000
7,942,281 shares
|
— | 31 Mar 2021 |
| DIMENSIONAL FUND ADVISORS LP |
13F
Company
|
5.2%
|
$149,112,000
7,080,260 shares
|
— | 31 Mar 2021 |
| Channing Capital Management, LLC |
13F
Company
|
3.3%
|
$93,416,000
4,435,719 shares
|
— | 31 Mar 2021 |
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 Q2 2021
Investor-level positions for this CUSIP, loaded as an interactive table.
Institutions
230
Shares
132,617,558
Rows available
230
| 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 Q2 2021 vs Q1 2021 Across Filers
Q1 2021 holders
226
Q2 2021 holders
230
Holder diff
4
| Investor | Q1 2021 Shares | Q2 2021 Shares | Share Diff | Share Chg % | Q1 2021 value | Q2 2021 value | Value change | Value Chg % |
|---|
Trend: ostatnie 8 kwartałów (+ wybrane okresy porównania).
Quarterly Holders Trend
Quarterly Value Trend
Quarterly Shares Trend