ATI Physical Therapy, Inc.
ATIPDelisted Dec 4, 2024- Industry
- Services-Nursing & Personal Care Facilities
- SEC CIK
- 0001815849
ATI Physical Therapy, Inc. was delisted on Dec 4, 2024; its insiders filed their last Form 4 on May 14, 2025; 18 institutions reported holding it in 13F filings for Q3 2024, worth $18.3M in total; no superinvestor held it.
13F holders, Q3 2021
Institutional positions in ATI Physical Therapy, Inc. as of Sep 30, 2021. Investment managers with $100 million or more in US stocks report their long positions on Form 13F within 45 days after each quarter ends. How 13F works
- Institutional holders
- 79
- −22 vs. Q2 2021
- Shares held
- 176.0M
- +5.18M (+3.0%) vs. Q2 2021
- Total value
- $668.8M
- −$957.7M (−58.9%) vs. Q2 2021
- New holders
- 41
- 14 more added
- Sold out
- 63
- 16 more reduced
Compare with Q2 2021: new holders, sold out and not filed yet
Holders and value by quarter
Institutions reporting ATIP on Form 13F each quarter since Q1 2021, and the total value they reported. Values are as of each quarter end, so they also move with the share price.
| Quarter | Holders | Value |
|---|---|---|
| Q2 2026 | 0 | $0 |
| Q1 2026 | 0 | $0 |
| Q4 2025 | 0 | $0 |
| Q3 2025 | 0 | $0 |
| Q2 2025 | 2 | $2.08M |
| Q1 2025 | 2 | $2.78M |
| Q4 2024 | 4 | $5.83M |
| Q3 2024 | 18 | $18.3M |
| Q2 2024 | 19 | $13.4M |
| Q1 2024 | 22 | $17.0M |
| Q4 2023 | 23 | $18.8M |
| Q3 2023 | 28 | $27.1M |
| Q2 2023 | 37 | $29.3M |
| Q1 2023 | 75 | $42.5M |
| Q4 2022 | 86 | $53.1M |
| Q3 2022 | 97 | $178.7M |
| Q2 2022 | 97 | $252.5M |
| Q1 2022 | 80 | $326.5M |
| Q4 2021 | 85 | $591.5M |
| Q3 2021 | 79 | $668.8M |
| Q2 2021 | 101 | $1.63B |
| Q1 2021 | 0 | $0 |
Institutions, Q3 2021
Shares, value and share of portfolio for each institution holding ATI Physical Therapy, Inc.; share changes are against Q2 2021.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Advent International Corp | 115,830,664 | $440.2M | 2.04% | −10.0% | Reduced |
| Fortress Investment Group LLC | 16,025,000 | $60.9M | 3.43% | 00.0% | Unchanged |
| Grosvenor Holdings, L.L.C. | 9,807,085 | $37.3M | 4.57% | +9,807,085 | New |
| Knighthead Capital Management, LLC | 7,775,585 | $29.5M | 11.65% | +7,775,585 | New |
| Bernzott Capital Advisors | 3,766,195 | $14.3M | 1.29% | +3,766,195 | New |
| Phoenix Holdings Ltd. | 3,685,596 | $14.0M | 0.25% | +385,959+11.7% | Added |
| Monarch Alternative Capital LP | 2,850,459 | $10.8M | 2.44% | +2,850,459 | New |
| Lakewood Capital Management, LP | 1,637,511 | $6.22M | 0.27% | 00.0% | Unchanged |
| Vanguard Group Inc | 1,571,329 | $5.97M | 0.00% | +1,571,329 | New |
| FMR LLC | 1,351,543 | $5.14M | 0.00% | +1,351,543 | New |
| Gratia Capital, LLC | 1,306,413 | $4.96M | 5.11% | +1,306,413 | New |
| Citadel Advisors LLC | 1,089,953 | $4.14M | 0.00% | +484,908+80.1% | Added |
| Bayberry Capital Partners LP | 793,000 | $3.01M | 0.86% | +793,000 | New |
| Allianz Asset Management GmbH | 774,000 | $2.94M | 0.00% | +774,000 | New |
| Bleichroeder LP | 754,083 | $2.87M | 0.47% | +754,083 | New |
| Healthcare of Ontario Pension Plan Trust Fund | 750,000 | $2.85M | 0.01% | −750,000−50.0% | Reduced |
| Serengeti Asset Management LP | 600,000 | $2.28M | 2.03% | +420,000+233.3% | Added |
| Leonard Green & Partners, L.P. | 500,000 | $1.90M | 0.02% | +500,000 | New |
| Westchester Capital Management, LLC | 314,354 | $1.20M | 0.04% | 00.0% | Unchanged |
| Paloma Partners Management Co | 298,983 | $1.14M | 0.05% | −15,469−4.9% | Reduced |
| Wells Fargo & Company | 268,148 | $1.02M | 0.00% | −52,703−16.4% | Reduced |
| Weiss Asset Management LP | 252,509 | $960.0K | 0.03% | −3,447,491−93.2% | Reduced |
| Glenview Capital Management, LLC | 249,145 | $947.0K | 0.02% | −2,954,941−92.2% | Reduced |
| Alden Global Capital LLC | 248,500 | $944.0K | 3.81% | +248,500 | New |
| Susquehanna International Group, LLP | 244,193 | $928.0K | 0.00% | +140,028+134.4% | Added |
| Citigroup Inc | 243,878 | $927.0K | 0.00% | +243,878 | New |
| Hudson Bay Capital Management LP | 237,250 | $902.0K | 0.01% | +24,052+11.3% | Added |
| D. E. Shaw & Co., Inc. | 178,019 | $676.0K | 0.00% | +178,019 | New |
| State Street Corp | 153,100 | $582.0K | 0.00% | +153,100 | New |
| Kepos Capital LP | 152,500 | $580.0K | 0.04% | +152,500 | New |
| Group One Trading, L.P. | 145,159 | $552.0K | 0.01% | +106,735+277.8% | Added |
| Russell Investments Group, Ltd. | 139,396 | $528.0K | 0.00% | +139,396 | New |
| Cubist Systematic Strategies, LLC | 126,546 | $481.0K | 0.01% | +126,546 | New |
| Select Equity Group, L.P. | 117,514 | $446.6K | 0.00% | +8,790+8.1% | Added |
| Brown Brothers Harriman & Co | 111,112 | $422.0K | 0.00% | +111,112 | New |
| Geode Capital Management, LLC | 109,603 | $416.0K | 0.00% | +109,603 | New |
| LMR Partners LLP | 100,708 | $383.0K | 0.01% | 00.0% | Unchanged |
| BlackRock Inc. | 100,239 | $381.0K | 0.00% | +100,239 | New |
| Janney Montgomery Scott LLC | 92,619 | $352.0K | 0.00% | −107,316−53.7% | Reduced |
| Northern Trust Corp | 89,318 | $339.0K | 0.00% | +89,318 | New |
| Bank of America Corp | 81,227 | $308.0K | 0.00% | +61,359+308.8% | Added |
| Simplex Trading, LLC | 31,218 | $294.0K | 0.01% | −800−2.5% | Reduced |
| Shepherd Kaplan Krochuk, LLC | 67,000 | $255.0K | 0.09% | +67,000 | New |
| Renaissance Technologies LLC | 62,200 | $236.0K | 0.00% | +62,200 | New |
| Marathon Trading Investment Management LLC | 52,250 | $199.0K | 0.09% | 00.0% | Unchanged |
| Alyeska Investment Group, L.P. | 50,000 | $190.0K | 0.00% | −2,450,000−98.0% | Reduced |
| Symons Capital Management Inc | 49,919 | $190.0K | 0.12% | +49,919 | New |
| Boston Partners | 48,610 | $185.0K | 0.00% | +48,610 | New |
| Baird Financial Group, Inc. | 46,000 | $175.0K | 0.00% | 00.0% | Unchanged |
| TIG Advisors, LLC | 44,994 | $171.0K | 0.01% | −524,235−92.1% | Reduced |
| Wolverine Trading, LLC | 43,309 | $166.0K | 0.00% | +23,534+119.0% | Added |
| Stifel Financial Corp | 40,778 | $155.0K | 0.00% | +14,460+54.9% | Added |
| Millennium Management LLC | 35,870 | $136.0K | 0.00% | −983,454−96.5% | Reduced |
| We Are One Seven, LLC | 47,181 | $135.0K | 0.02% | +47,181 | New |
| Boothbay Fund Management, LLC | 29,807 | $113.0K | 0.00% | +29,807 | New |
| Caption Management, LLC | 29,500 | $112.0K | 0.01% | +29,500 | New |
| Dynamic Advisor Solutions LLC | 29,000 | $110.0K | 0.01% | +600+2.1% | Added |
| Dynamic Technology Lab Private Ltd | 28,890 | $110.0K | 0.01% | +28,890 | New |
| LPL Financial LLC | 27,900 | $106.0K | 0.00% | −62,520−69.1% | Reduced |
| Parametric Portfolio Associates LLC | 27,394 | $104.0K | 0.00% | +27,394 | New |
| Doheny Asset Management | 23,150 | $88.0K | 0.06% | +23,150 | New |
| Raymond James Financial Services Advisors, Inc. | 23,125 | $88.0K | 0.00% | +23,125 | New |
| Morgan Stanley | 22,650 | $87.0K | 0.00% | −2,482−9.9% | Reduced |
| Advisor Group Holdings, Inc. | 22,633 | $87.0K | 0.00% | +8,392+58.9% | Added |
| Charles Schwab Investment Management Inc | 22,162 | $85.0K | 0.00% | +22,162 | New |
| PEAK6 Investments LLC | 17,261 | $66.0K | 0.00% | −42,813−71.3% | Reduced |
| Capstone Investment Advisors, LLC | 16,840 | $64.0K | 0.00% | +16,840 | New |
| HBK Sorce Advisory LLC | 16,198 | $62.0K | 0.00% | +16,198 | New |
| Eagle Asset Management Inc | 13,703 | $52.0K | 0.00% | +13,703 | New |
| Moab Capital Partners LLC | 11,600 | $44.0K | 0.11% | +11,600 | New |
| Envestnet Asset Management Inc | 10,770 | $41.0K | 0.00% | +10,770 | New |
| Penserra Capital Management LLC | 10,524 | $39.0K | 0.00% | +3,586+51.7% | Added |
| Selway Asset Management | 10,000 | $38.0K | 0.02% | 00.0% | Unchanged |
| Patriot Financial Group Insurance Agency, LLC | 10,000 | $38.0K | 0.01% | +3,000+42.9% | Added |
| Capstone Financial Advisors, Inc. | 10,000 | $38.0K | 0.00% | +10,000 | New |
| Rockefeller Capital Management L.P. | 9,208 | $34.0K | 0.00% | −42,591−82.2% | Reduced |
| Cutler Group LP | 3,500 | $13.0K | 0.00% | −6,050−63.4% | Reduced |
| Wolverine Asset Management LLC | 2,777 | $10.0K | 0.00% | +2,777 | New |
| Parallel Advisors, LLC | 1,000 | $4.00K | 0.00% | 00.0% | Unchanged |
| Lazard Asset Management LLC | 0 | $0 | 0.00% | −4,209,245−100.0% | Sold out |
| Monashee Investment Management LLC | 0 | $0 | 0.00% | −2,262,407−100.0% | Sold out |
| Soroban Capital Partners LP | 0 | $0 | 0.00% | −1,500,000−100.0% | Sold out |
| American Century Companies Inc | 0 | $0 | 0.00% | −1,229,670−100.0% | Sold out |
| Polar Asset Management Partners Inc. | 0 | $0 | 0.00% | −1,040,000−100.0% | Sold out |
| Linden Advisors LP | 0 | $0 | 0.00% | −600,000−100.0% | Sold out |
| Diameter Capital Partners LP | 0 | $0 | 0.00% | −600,000−100.0% | Sold out |
| P Schoenfeld Asset Management LP | 0 | $0 | 0.00% | −520,773−100.0% | Sold out |
| Marshall Wace, LLP | 0 | $0 | 0.00% | −508,578−100.0% | Sold out |
| Alberta Investment Management Corp | 0 | $0 | 0.00% | −495,339−100.0% | Sold out |
| HBK Investments L P | 0 | $0 | 0.00% | −500,000−100.0% | Sold out |
| Putnam Investments LLC | 0 | $0 | 0.00% | −421,078−100.0% | Sold out |
| HighTower Advisors, LLC | 0 | $0 | 0.00% | −393,979−100.0% | Sold out |
| Radcliffe Capital Management, L.P. | 0 | $0 | 0.00% | −396,400−100.0% | Sold out |
| Brookfield Asset Management Inc. | 0 | $0 | 0.00% | −345,069−100.0% | Sold out |
| Maso Capital Partners Ltd | 0 | $0 | 0.00% | −250,000−100.0% | Sold out |
| Marshall Wace North America L.P. | 0 | $0 | 0.00% | −246,407−100.0% | Sold out |
| Deutsche Bank AG | 0 | $0 | 0.00% | −239,517−100.0% | Sold out |
| Moore Capital Management, LP | 0 | $0 | 0.00% | −235,273−100.0% | Sold out |
| Royal Bank of Canada | 0 | $0 | 0.00% | −213,645−100.0% | Sold out |
| Mirabella Financial Services LLP | 0 | $0 | 0.00% | −188,990−100.0% | Sold out |