Security key
00216W109
- Security type / class
- Equity / COM CL A
- Total 13F shares
- 174,364,644
- Total 13F value
- $591,048,518
- Share change
- -2,121,773
- Put/Call ratio
- 21%
- SEC-reported price per share
- $3.39
- Number of holders
- 83
- Value change
- -$10,271,667
- Number of buys
- 46
- Number of sells
- 36
Open additional details 1 more signal available
Report period
Q4 2021
Institutions
83
Top holders
10
ATIP full security history
Ownership snapshot
Full 13F holder table
ATI Physical Therapy, Inc. SEC filings
ATI Physical Therapy, Inc. company facts
Broader feeds
Ownership snapshot
Top reported holders of ATIP - ATI PHYSICAL THERAPY INC - COM CL A (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
ADVENT INTERNATIONAL, L.P.
Disclosed value leader
ADVENT INTERNATIONAL, L.P.
Comparable rows
0/15
Latest evidence
30 Sep 2021
13F
3/4/5
Highest disclosed value: $440,157,000
15 rows are not safely comparable across share classes.
Showing 1-6 of 15 holder rows.
Quick read
ADVENT INTERNATIONAL, L.P. has the largest disclosed position value at $440.16M.
0 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 ADVENT INTERNATIONAL, L.P.'s linked filing trail.
Disclosed position value
Top 5
ADVENT INTERNATIONAL, L.P.
$440.16M
Fortress Acquisition Sponsor II LLC
$160.25M
Fortress Investment Group LLC
$60.9M
Grosvenor Holdings, L.L.C.
$37.27M
Knighthead Capital Management, LLC
$29.55M
Value bars compare disclosed positions; verify each figure against the linked filing evidence.
Detailed SEC evidence table Showing 1-6 of 15 holder rows
| Holder | Evidence | Ownership % | Position | 12M Net Δ | As of |
|---|---|---|---|---|---|
| ADVENT INTERNATIONAL, L.P. |
13F
3/4/5
Company · 10%+ Owner
|
—
denominator unverified
|
$440,157,000
115,830,664 shares
|
— | 30 Sep 2021 |
| Fortress Acquisition Sponsor II LLC |
3/4/5
10%+ Owner
|
—
denominator unverified
|
$160,250,000
16,025,000 shares
|
— | 16 Jun 2021 |
| Fortress Investment Group LLC |
13F
Company
|
—
denominator unverified
|
$60,895,000
16,025,000 shares
|
— | 30 Sep 2021 |
| Grosvenor Holdings, L.L.C. |
13F
Company
|
—
denominator unverified
|
$37,267,000
9,807,085 shares
|
— | 30 Sep 2021 |
| Knighthead Capital Management, LLC |
13F
Company
|
—
denominator unverified
|
$29,547,000
7,775,585 shares
|
— | 30 Sep 2021 |
| BERNZOTT CAPITAL ADVISORS |
13F
Company
|
—
denominator unverified
|
$14,312,000
3,766,195 shares
|
— | 30 Sep 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 Q4 2021
Investor-level positions for this CUSIP, loaded as an interactive table.
Institutions
83
Shares
174,364,644
Rows available
83
| 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 Q4 2021 vs Q3 2021 Across Filers
Q3 2021 holders
77
Q4 2021 holders
83
Holder diff
6
| Investor | Q3 2021 Shares | Q4 2021 Shares | Share Diff | Share Chg % | Q3 2021 value | Q4 2021 value | Value change | Value Chg % |
|---|