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Ati Inc

ATI
Exchange
NYSE
Industry
Steel Pipe & Tubes
SEC CIK
0001018963

In the last 90 days, Ati Inc insiders filed 0 open-market purchases and 9 sales; 795 institutions reported holding it in 13F filings for Q2 2026, worth $25.1B in total; 3 superinvestors hold it, including Viking Global Investors and Soros Fund Management.

13F holders, Q3 2025

Institutional positions in Ati Inc as of Sep 30, 2025. 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
470
+3 vs. Q2 2025
Shares held
128.8M
−3.45M (−2.6%) vs. Q2 2025
Total value
$10.5B
−$931.7M (−8.2%) vs. Q2 2025
New holders
90
152 more added
Sold out
87
154 more reduced

6 institutions that held it in Q2 2025 haven't filed for Q3 2025 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.

Compare with Q2 2025: new holders, sold out and not filed yet

Holders and value by quarter

Institutions reporting ATI 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 holdersQ3 2025: 470 institutions
Q1 2021: 234 institutionsQ2 2021: 237 institutionsQ3 2021: 236 institutionsQ4 2021: 241 institutionsQ1 2022: 284 institutionsQ2 2022: 266 institutionsQ3 2022: 290 institutionsQ4 2022: 304 institutionsQ1 2023: 339 institutionsQ2 2023: 329 institutionsQ3 2023: 338 institutionsQ4 2023: 349 institutionsQ1 2024: 345 institutionsQ2 2024: 403 institutionsQ3 2024: 421 institutionsQ4 2024: 403 institutionsQ1 2025: 426 institutionsQ2 2025: 473 institutionsQ3 2025: 470 institutionsQ4 2025: 570 institutionsQ1 2026: 678 institutionsQ2 2026: 795 institutions
Value heldQ3 2025: $10.5B
Q1 2021: $2.72BQ2 2021: $2.77BQ3 2021: $2.21BQ4 2021: $2.10BQ1 2022: $3.51BQ2 2022: $3.02BQ3 2022: $3.49BQ4 2022: $3.95BQ1 2023: $5.29BQ2 2023: $5.95BQ3 2023: $5.48BQ4 2023: $6.10BQ1 2024: $6.89BQ2 2024: $7.33BQ3 2024: $8.89BQ4 2024: $7.51BQ1 2025: $6.97BQ2 2025: $11.6BQ3 2025: $10.5BQ4 2025: $14.7BQ1 2026: $18.5BQ2 2026: $25.1B
Institutions holding ATI and their total value by quarter
QuarterHoldersValue
Q2 2026795$25.1B
Q1 2026678$18.5B
Q4 2025570$14.7B
Q3 2025470$10.5B
Q2 2025473$11.6B
Q1 2025426$6.97B
Q4 2024403$7.51B
Q3 2024421$8.89B
Q2 2024403$7.33B
Q1 2024345$6.89B
Q4 2023349$6.10B
Q3 2023338$5.48B
Q2 2023329$5.95B
Q1 2023339$5.29B
Q4 2022304$3.95B
Q3 2022290$3.49B
Q2 2022266$3.02B
Q1 2022284$3.51B
Q4 2021241$2.10B
Q3 2021236$2.21B
Q2 2021237$2.77B
Q1 2021234$2.72B

Institutions, Q3 2025

Shares, value and share of portfolio for each institution holding Ati Inc; share changes are against Q2 2025.

Institutions holding ATI in Q3 2025
InstitutionSharesValue% of portfolioChange in sharesAction
Parallel Advisors, LLC1,488$121.0K0.00%−18−1.2%Reduced
Point72 Hong Kong Ltd1,491$121.3K0.01%−44,991−96.8%Reduced
State of Wyoming1,495$121.6K0.01%+1,495New
Danske Bank A/S1,500$122.0K0.00%00.0%Unchanged
Shell Asset Management Co1,647$134.0K0.01%−1,239−42.9%Reduced
Versant Capital Management, Inc1,668$135.7K0.02%+101+6.4%Added
Umb Bank N A1,792$145.8K0.00%+21+1.2%Added
CWM, LLC1,882$153.0K0.00%+1,066+130.6%Added
Bessemer Group Inc1,909$156.0K0.00%+96+5.3%Added
Farther Finance Advisors, LLC1,947$158.4K0.00%+488+33.4%Added
Rockefeller Capital Management L.P.2,257$183.6K0.00%+2,257New
Juncture Wealth Strategies, LLC2,487$202.3K0.07%−297−10.7%Reduced
J.W. Cole Advisors, Inc.2,491$202.6K0.00%+2,491New
DDFG, Inc2,498$203.2K0.05%00.0%Unchanged
Associated Banc-Corp2,500$203.3K0.01%00.0%Unchanged
IMS Capital Management2,500$203.3K0.09%00.0%Unchanged
Old National Bancorp2,516$204.7K0.00%00.0%Unchanged
Motiv8 Investments LLC2,550$207.4K0.11%00.0%Unchanged
Johnson Investment Counsel Inc2,624$213.4K0.00%+150+6.1%Added
Polymer Capital Management (US) LLC2,646$215.2K0.03%+2,646New
Vontobel Holding Ltd.2,656$216.0K0.00%−220−7.6%Reduced
Parsonex Advisory Services, Inc.2,664$216.7K0.15%+13+0.5%Added
Prelude Capital Management, LLC2,689$218.7K0.02%+2,689New
Keystone Financial Group2,700$219.6K0.02%−150−5.3%Reduced
RSM US Wealth Management LLC2,727$221.8K0.00%−569−17.3%Reduced
M&T Bank Corp2,738$222.3K0.00%−943−25.6%Reduced
GAMMA Investing LLC2,780$226.1K0.01%−219−7.3%Reduced
Point72 Europe (London) LLP2,794$227.2K0.01%+2,794New
Operose Advisors LLC2,794$227.3K0.06%00.0%Unchanged
EverSource Wealth Advisors, LLC2,957$240.5K0.01%−13−0.4%Reduced
Accel Wealth Management3,046$247.8K0.07%+52+1.7%Added
Apollon Wealth Management, LLC3,135$255.0K0.00%−155−4.7%Reduced
Meiji Yasuda Asset Management Co Ltd.3,203$260.5K0.01%−180−5.3%Reduced
Profund Advisors LLC3,219$261.8K0.01%−49−1.5%Reduced
STRS Ohio3,344$272.0K0.00%−11,859−78.0%Reduced
Ballentine Partners, LLC3,347$272.2K0.00%−114−3.3%Reduced
Vident Advisory, LLC3,391$275.8K0.00%+58+1.7%Added
U.S. Capital Wealth Advisors, LLC3,461$281.5K0.01%+3,461New
Oarsman Capital, Inc.3,570$290.4K0.04%00.0%Unchanged
F/M Investments LLC3,647$296.6K0.01%+3,647New
Hunter Associates Investment Management LLC3,650$298.0K0.04%+3,650New
Blair William & Co3,687$299.9K0.00%+100+2.8%Added
Lido Advisors, LLC3,784$307.8K0.00%+101+2.7%Added
Chesapeake Capital Corp3,794$308.6K0.28%+3,794New
Forum Financial Management, LP3,918$318.7K0.00%00.0%Unchanged
Fifth Third Wealth Advisors LLC3,964$322.4K0.01%−681−14.7%Reduced
CIBC Asset Management Inc3,981$323.8K0.00%00.0%Unchanged
Mayflower Financial Advisors, LLC3,990$324.6K0.04%−61−1.5%Reduced
ESL Trust Services, LLC4,000$325.4K0.06%00.0%Unchanged
Coldstream Capital Management Inc4,120$335.1K0.00%+4,120New
Concurrent Investment Advisors, LLC4,235$344.5K0.01%+35+0.8%Added
KBC Group NV4,340$353.0K0.00%+468+12.1%Added
Banco Bilbao Vizcaya Argentaria, S.A.4,349$353.4K0.00%+1,552+55.5%Added
Sequoia Financial Advisors, LLC4,424$359.8K0.00%+102+2.4%Added
Journey Strategic Wealth LLC4,517$367.4K0.01%−1,076−19.2%Reduced
Tower Research Capital LLC (TRC)4,549$370.0K0.01%+1,105+32.1%Added
US Bancorp4,583$372.8K0.00%+292+6.8%Added
Harbour Investments, Inc.4,708$382.9K0.01%+10.0%Added
Steward Partners Investment Advisory, LLC4,791$389.7K0.00%−6−0.1%Reduced
Summit Trail Advisors, LLC4,820$392.1K0.01%+4,820New
Simplex Trading, LLC4,960$403.0K0.01%+4,960New
Financiere des Professionnels - Fonds d,investissement inc.5,036$409.6K0.02%00.0%Unchanged
Shelton Capital Management5,060$411.6K0.01%00.0%Unchanged
Aristeia Capital LLC5,080$413.2K0.01%+1,217+31.5%Added
Franklin Resources Inc5,096$414.5K0.00%+5,096New
Mirae Asset Global Investments Co., Ltd.5,361$436.1K0.00%−6,082−53.2%Reduced
American Trust5,400$439.2K0.04%−1,231−18.6%Reduced
Point72 Asia (Singapore) Pte. Ltd.5,571$453.1K0.07%+5,571New
Wolverine Trading, LLC5,731$454.2K0.01%+5,731New
Basepoint Wealth LLC5,613$456.6K0.32%00.0%Unchanged
Versor Investments LP5,700$463.6K0.09%+5,700New
ProShare Advisors LLC5,863$476.9K0.00%−391−6.3%Reduced
SG Americas Securities, LLC5,888$479.0K0.00%−17,748−75.1%Reduced
Confluence Wealth Services, Inc.5,916$481.2K0.02%+5,916New
Panagora Asset Management Inc5,978$486.3K0.00%00.0%Unchanged
Alps Advisors Inc5,990$487.2K0.00%+5,990New
Cerity Partners LLC6,072$493.9K0.00%+2,825+87.0%Added
Quantbot Technologies LP6,299$512.4K0.01%−15,828−71.5%Reduced
Carnegie Capital Asset Management, LLC6,300$512.4K0.01%00.0%Unchanged
Lazard Asset Management LLC6,320$514.1K0.00%00.0%Unchanged
Citizens National Bank Trust Department6,407$521.1K0.09%00.0%Unchanged
Swiss Life Asset Management Ltd6,439$523.7K0.00%+2,788+76.4%Added
Quest Partners LLC6,486$527.6K0.03%+714+12.4%Added
Mariner, LLC6,542$532.1K0.00%−4,149−38.8%Reduced
Central Pacific Bank - Trust Division6,633$539.5K0.07%00.0%Unchanged
Freemont Management S.A.6,700$545.0K0.42%+3,300+97.1%Added
Cetera Investment Advisers6,770$550.7K0.00%+3,012+80.1%Added
Maryland State Retirement & Pension System6,798$552.9K0.01%00.0%Unchanged
Michael B. Yongue6,872$559.0K0.39%+6,872New
MML Investors Services, LLC6,926$563.4K0.00%+8+0.1%Added
Ethic Inc.6,951$565.4K0.01%−1,577−18.5%Reduced
Erste Asset Management GmbH7,180$569.1K0.01%+7,180New
Pier 88 Investment Partners LLC7,002$569.5K0.11%−7,990−53.3%Reduced
First Citizens Bank & Trust Co7,059$574.2K0.01%+7,059New
D.A. Davidson & Co.7,062$574.4K0.00%−1,600−18.5%Reduced
Cetera Trust Company, N.A7,173$583.5K0.33%00.0%Unchanged
Truist Financial Corp7,190$584.8K0.00%−27−0.4%Reduced
Fragasso Group Inc.7,330$595.8K0.04%00.0%Unchanged
Oak Thistle LLC7,325$595.8K0.09%−14,002−65.7%Reduced
Evergreen Capital Management LLC7,386$600.8K0.01%+739+11.1%Added