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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, Q4 2021

Institutional positions in ATI Physical Therapy, Inc. as of Dec 31, 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
85
+8 vs. Q3 2021
Shares held
174.5M
−1.38M (−0.8%) vs. Q3 2021
Total value
$591.5M
−$77.1M (−11.5%) vs. Q3 2021
New holders
31
25 more added
Sold out
23
13 more reduced

2 institutions that held it in Q3 2021 haven't filed for Q4 2021 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.

Compare with Q3 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.

Institutional holdersQ4 2021: 85 institutions
Q1 2021: 0 institutionsQ2 2021: 101 institutionsQ3 2021: 79 institutionsQ4 2021: 85 institutionsQ1 2022: 80 institutionsQ2 2022: 97 institutionsQ3 2022: 97 institutionsQ4 2022: 86 institutionsQ1 2023: 75 institutionsQ2 2023: 37 institutionsQ3 2023: 28 institutionsQ4 2023: 23 institutionsQ1 2024: 22 institutionsQ2 2024: 19 institutionsQ3 2024: 18 institutionsQ4 2024: 4 institutionsQ1 2025: 2 institutionsQ2 2025: 2 institutionsQ3 2025: 0 institutionsQ4 2025: 0 institutionsQ1 2026: 0 institutionsQ2 2026: 0 institutions
Value heldQ4 2021: $591.5M
Q1 2021: $0Q2 2021: $1.63BQ3 2021: $668.8MQ4 2021: $591.5MQ1 2022: $326.5MQ2 2022: $252.5MQ3 2022: $178.7MQ4 2022: $53.1MQ1 2023: $42.5MQ2 2023: $29.3MQ3 2023: $27.1MQ4 2023: $18.8MQ1 2024: $17.0MQ2 2024: $13.4MQ3 2024: $18.3MQ4 2024: $5.83MQ1 2025: $2.78MQ2 2025: $2.08MQ3 2025: $0Q4 2025: $0Q1 2026: $0Q2 2026: $0
Institutions holding ATIP and their total value by quarter
QuarterHoldersValue
Q2 20260$0
Q1 20260$0
Q4 20250$0
Q3 20250$0
Q2 20252$2.08M
Q1 20252$2.78M
Q4 20244$5.83M
Q3 202418$18.3M
Q2 202419$13.4M
Q1 202422$17.0M
Q4 202323$18.8M
Q3 202328$27.1M
Q2 202337$29.3M
Q1 202375$42.5M
Q4 202286$53.1M
Q3 202297$178.7M
Q2 202297$252.5M
Q1 202280$326.5M
Q4 202185$591.5M
Q3 202179$668.8M
Q2 2021101$1.63B
Q1 20210$0

Institutions, Q4 2021

Shares, value and share of portfolio for each institution holding ATI Physical Therapy, Inc.; share changes are against Q3 2021.

Institutions holding ATIP in Q4 2021
InstitutionSharesValue% of portfolioChange in sharesAction
UBS Group AG603$2.00K0.00%+603New
RGT Wealth Advisors, LLC615$2.00K0.00%+615New
Ionic Capital Management LLC2,005$7.00K0.00%+2,005New
Royal Bank of Canada5,650$19.0K0.00%+5,650New
Cutler Group LP7,966$27.0K0.00%+4,466+127.6%Added
Tower Research Capital LLC (TRC)8,819$30.0K0.00%+8,819New
Wells Fargo & Company9,227$31.0K0.00%−258,921−96.6%Reduced
Rockefeller Capital Management L.P.9,208$31.0K0.00%00.0%Unchanged
Selway Asset Management10,000$34.0K0.02%00.0%Unchanged
Coastal Investment Advisors, Inc.10,430$35.0K0.01%+10,430New
Penserra Capital Management LLC10,781$36.0K0.00%+257+2.4%Added
Squarepoint Ops LLC13,047$44.0K0.00%+13,047New
Envestnet Asset Management Inc13,820$47.0K0.00%+3,050+28.3%Added
PEAK6 Investments LLC14,171$48.0K0.00%−3,090−17.9%Reduced
Norris Financial Group, LLC16,000$54.2K0.03%+16,000New
Raymond James Financial Services Advisors, Inc.16,125$55.0K0.00%−7,000−30.3%Reduced
Koshinski Asset Management, Inc.16,967$57.5K0.00%+16,967New
Emerald Advisers, LLC17,500$59.0K0.00%+17,500New
XTX Topco Ltd17,690$60.0K0.03%+17,690New
Patriot Financial Group Insurance Agency, LLC18,100$61.0K0.01%+8,100+81.0%Added
Commonwealth Equity Services, LLC18,500$62.0K0.00%+18,500New
Wolverine Trading, LLC19,961$66.0K0.00%−23,348−53.9%Reduced
Charles Schwab Investment Management Inc22,162$76.0K0.00%00.0%Unchanged
Doheny Asset Management23,150$78.0K0.05%00.0%Unchanged
Bank of New York Mellon Corp22,876$78.0K0.00%+22,876New
Advisor Group Holdings, Inc.23,129$79.0K0.00%+496+2.2%Added
Strategic Wealth Partners, Ltd.23,228$79.0K0.01%+23,228New
Eagle Asset Management Inc25,592$84.0K0.00%+11,889+86.8%Added
LPL Financial LLC28,000$95.0K0.00%+100+0.4%Added
Belvedere Trading LLC29,373$99.0K0.02%+29,373New
Caption Management, LLC29,500$100.0K0.01%00.0%Unchanged
Dynamic Advisor Solutions LLC30,000$102.0K0.01%+1,000+3.4%Added
Parametric Portfolio Associates LLC30,672$104.0K0.00%+3,278+12.0%Added
Morgan Stanley31,555$106.0K0.00%+8,905+39.3%Added
Miracle Mile Advisors, LLC35,000$119.0K0.00%+35,000New
Marathon Trading Investment Management LLC41,337$140.0K0.06%−10,913−20.9%Reduced
Alpine Global Management, LLC41,580$141.0K0.02%+41,580New
Integrity Capital Management (HK) Ltd41,537$141.0K0.45%+41,537New
Shepherd Kaplan Krochuk, LLC43,000$146.0K0.05%−24,000−35.8%Reduced
Stifel Financial Corp43,778$148.0K0.00%+3,000+7.4%Added
ExodusPoint Capital Management, LP50,871$172.0K0.00%+50,871New
We Are One Seven, LLC55,158$187.0K0.02%+7,977+16.9%Added
Jane Street Group, LLC67,251$228.0K0.00%+67,251New
Janney Montgomery Scott LLC71,917$244.0K0.00%−20,702−22.4%Reduced
Sona Asset Management (US) LLC72,000$244.0K0.13%+72,000New
Bank of America Corp73,461$250.0K0.00%−7,766−9.6%Reduced
Simplex Trading, LLC77,699$263.0K0.01%+46,481+148.9%Added
Northern Trust Corp89,318$303.0K0.00%00.0%Unchanged
LMR Partners LLP100,708$341.0K0.00%00.0%Unchanged
Cubist Systematic Strategies, LLC104,800$355.0K0.00%−21,746−17.2%Reduced
Invst, LLC149,035$358.0K0.06%+149,035New
Brown Brothers Harriman & Co111,112$377.0K0.00%00.0%Unchanged
National Bank of Canada126,500$429.0K0.00%+126,500New
Allspring Global Investments Holdings, LLC128,375$434.0K0.00%+128,375New
Caspian Capital LP150,000$509.0K0.22%+150,000New
Principal Financial Group Inc151,719$514.0K0.00%+151,719New
State Street Corp153,100$519.0K0.00%00.0%Unchanged
Hein Park Capital Management LP163,871$556.0K0.16%+163,871New
Group One Trading, L.P.182,960$620.0K0.01%+37,801+26.0%Added
Citadel Advisors LLC186,039$631.0K0.00%−903,914−82.9%Reduced
Citigroup Inc237,877$806.0K0.00%−6,001−2.5%Reduced
Weiss Asset Management LP252,509$856.0K0.02%00.0%Unchanged
HRT Financial LP256,884$870.0K0.01%+256,884New
Westchester Capital Management, LLC314,354$1.07M0.03%00.0%Unchanged
D. E. Shaw & Co., Inc.402,694$1.36M0.00%+224,675+126.2%Added
Renaissance Technologies LLC417,100$1.41M0.00%+354,900+570.6%Added
Paloma Partners Management Co423,596$1.44M0.05%+124,613+41.7%Added
Clarkston Capital Partners, LLC442,031$1.50M0.03%+442,031New
Geode Capital Management, LLC443,453$1.50M0.00%+333,850+304.6%Added
Alden Global Capital LLC531,400$1.80M4.47%+282,900+113.8%Added
Susquehanna International Group, LLP531,299$1.80M0.00%+287,106+117.6%Added
BlackRock Inc.569,221$1.93M0.00%+468,982+467.9%Added
Bleichroeder LP580,165$1.97M0.31%−173,918−23.1%Reduced
Bank of Montreal604,011$2.00M0.00%+604,011New
Royce & Associates LP707,700$2.40M0.02%+707,700New
Healthcare of Ontario Pension Plan Trust Fund750,000$2.54M0.01%00.0%Unchanged
Allianz Asset Management GmbH774,000$2.62M0.00%00.0%Unchanged
Vanguard Group Inc1,649,715$5.59M0.00%+78,386+5.0%Added
Monarch Alternative Capital LP2,850,459$9.66M1.50%00.0%Unchanged
Phoenix Holdings Ltd.3,368,187$11.4M0.19%−317,409−8.6%Reduced
Bernzott Capital Advisors4,872,221$16.5M1.43%+1,106,026+29.4%Added
Knighthead Capital Management, LLC8,239,642$27.9M0.58%+464,057+6.0%Added
Grosvenor Holdings, L.L.C.9,807,085$33.2M3.44%00.0%Unchanged
Fortress Investment Group LLC16,025,000$54.3M2.08%00.0%Unchanged
Advent International Corp116,391,635$394.6M1.64%+560,971+0.5%Added
Lakewood Capital Management, LP0$00.00%−1,637,511−100.0%Sold out
FMR LLC0$00.00%−1,351,543−100.0%Sold out
Gratia Capital, LLC0$00.00%−1,306,413−100.0%Sold out
Bayberry Capital Partners LP0$00.00%−793,000−100.0%Sold out
Serengeti Asset Management LP0$00.00%−600,000−100.0%Sold out
Leonard Green & Partners, L.P.0$00.00%−500,000−100.0%Sold out
Glenview Capital Management, LLC0$00.00%−249,145−100.0%Sold out
Hudson Bay Capital Management LP0$00.00%−237,250−100.0%Sold out
Kepos Capital LP0$00.00%−152,500−100.0%Sold out
Russell Investments Group, Ltd.0$00.00%−139,396−100.0%Sold out
Select Equity Group, L.P.0$00.00%−117,514−100.0%Sold out
Alyeska Investment Group, L.P.0$00.00%−50,000−100.0%Sold out
Boston Partners0$00.00%−48,610−100.0%Sold out
Baird Financial Group, Inc.0$00.00%−46,000−100.0%Sold out
TIG Advisors, LLC0$00.00%−44,994−100.0%Sold out