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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, Q1 2025

Institutional positions in Ati Inc as of Mar 31, 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
426
+29 vs. Q4 2024
Shares held
134.1M
−1.96M (−1.4%) vs. Q4 2024
Total value
$6.97B
−$518.0M (−6.9%) vs. Q4 2024
New holders
89
161 more added
Sold out
60
119 more reduced

6 institutions that held it in Q4 2024 haven't filed for Q1 2025 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.

Compare with Q4 2024: 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 holdersQ1 2025: 426 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 heldQ1 2025: $6.97B
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, Q1 2025

Shares, value and share of portfolio for each institution holding Ati Inc; share changes are against Q4 2024.

Institutions holding ATI in Q1 2025
InstitutionSharesValue% of portfolioChange in sharesAction
Pictet Asset Management Holding SA22,280$1.16M0.00%+3,040+15.8%Added
Advisory Services Network, LLC21,547$1.12M0.02%−2,012−8.5%Reduced
Winton Group Ltd20,830$1.08M0.07%−30,086−59.1%Reduced
Northwestern Mutual Wealth Management Co18,743$975.2K0.00%+1,820+10.8%Added
Ionic Capital Management LLC18,200$946.9K1.08%+9,000+97.8%Added
Crestwood Advisors Group LLC18,051$939.2K0.02%+18,051New
STRS Ohio18,018$937.5K0.00%−14,490−44.6%Reduced
Paradigm Capital Management Inc18,000$936.5K0.05%00.0%Unchanged
CenterBook Partners LP17,791$925.7K0.06%+13,730+338.1%Added
Nisa Investment Advisors, LLC17,261$898.1K0.00%+265+1.6%Added
Entropy Technologies, LP17,017$885.4K0.09%+17,017New
Quadrant Capital Group LLC16,858$877.1K0.03%+10,528+166.3%Added
Boothbay Fund Management, LLC16,796$873.9K0.03%−64,860−79.4%Reduced
State of Alaska, Department of Revenue16,715$869.0K0.01%−64,352−79.4%Reduced
NVWM, LLC16,465$856.7K0.23%+12+0.1%Added
Wealth Enhancement Advisory Services, LLC16,409$853.8K0.00%+12+0.1%Added
Gsa Capital Partners LLP16,350$851.0K0.08%+16,350New
Commonwealth Equity Services, LLC15,921$828.0K0.00%+605+4.0%Added
Nebula Research & Development LLC15,780$821.0K0.08%+15,780New
Xponance, Inc.15,579$810.6K0.01%+10,173+188.2%Added
Fruth Investment Management14,550$757.0K0.21%−200−1.4%Reduced
Gabelli Funds LLC14,500$754.4K0.01%00.0%Unchanged
Point72 (DIFC) Ltd14,372$747.8K0.07%+14,372New
Mariner, LLC14,287$743.4K0.00%−5,142−26.5%Reduced
FourThought Financial Partners, LLC14,200$738.8K0.08%−336−2.3%Reduced
Virginia Retirement Systems Et Al13,778$716.9K0.01%+13,778New
Raiffeisen Bank International AG14,000$713.4K0.01%00.0%Unchanged
Hantz Financial Services, Inc.13,392$697.0K0.01%+1,712+14.7%Added
DRW Securities, LLC13,100$681.6K0.06%+13,100New
Public Employees Retirement Association of Colorado13,019$677.0K0.00%00.0%Unchanged
Axq Capital, LP12,639$657.6K0.26%+12,639New
Waldron Private Wealth LLC12,453$647.9K0.03%−141−1.1%Reduced
Pier 88 Investment Partners LLC12,182$633.8K0.12%+4,562+59.9%Added
Farmers & Merchants Trust Co of Long Beach11,827$615.4K0.16%00.0%Unchanged
First Business Financial Services, Inc.11,739$610.8K0.06%−1,716−12.8%Reduced
Advisor Group Holdings, Inc.11,671$607.2K0.00%+5,220+80.9%Added
Simplex Trading, LLC11,488$597.0K0.02%+11,488New
Mirae Asset Global Investments Co., Ltd.11,443$583.1K0.00%−1,226−9.7%Reduced
Jones Financial Companies LLLP11,257$573.7K0.00%+686+6.5%Added
Securian Asset Management, Inc10,833$563.6K0.02%+10,833New
Fox Run Management, L.L.C.10,363$539.2K0.08%+10,363New
Keybank National Association10,295$535.6K0.00%+890+9.5%Added
Capital International Sarl10,087$524.8K0.01%+4,652+85.6%Added
Aristeia Capital LLC10,020$521.3K0.02%−2,031−16.9%Reduced
EntryPoint Capital, LLC9,985$519.5K0.24%+2,936+41.7%Added
Cerity Partners LLC9,553$497.0K0.00%−579−5.7%Reduced
Worldquant Millennium Advisors LLC9,201$478.7K0.00%+4,622+100.9%Added
Squarepoint Ops LLC9,133$475.2K0.00%−14,387−61.2%Reduced
Deutsche Bank AG8,885$462.3K0.00%−118,938−93.0%Reduced
Central Pacific Bank - Trust Division8,869$461.5K0.06%00.0%Unchanged
United Services Automobile Association9,025$459.9K0.01%+9,025New
Weinberger Asset Management, Inc8,800$457.9K0.20%00.0%Unchanged
D.A. Davidson & Co.8,687$452.0K0.00%−1,080−11.1%Reduced
SummitTX Capital, L.P.8,600$447.5K0.02%+8,600New
Vident Advisory, LLC8,337$433.8K0.01%+8,337New
Everence Capital Management Inc8,120$422.0K0.03%00.0%Unchanged
Teza Capital Management LLC8,073$420.0K0.19%+8,073New
Glenmede Trust Co NA8,064$419.6K0.00%−4,819−37.4%Reduced
Man Group plc7,951$413.7K0.00%−78,483−90.8%Reduced
Evergreen Capital Management LLC7,931$412.6K0.01%+176+2.3%Added
Transcend Wealth Collective, LLC7,786$405.1K0.03%+7,786New
CCG Wealth Management, LLC7,779$404.7K0.24%00.0%Unchanged
MML Investors Services, LLC7,519$391.0K0.00%+1,606+27.2%Added
Quantinno Capital Management LP7,493$389.9K0.00%+7,493New
Mercer Global Advisors Inc7,366$383.3K0.00%−1,157−13.6%Reduced
Fragasso Group Inc.7,323$381.0K0.03%00.0%Unchanged
New Age Alpha Advisors, LLC7,295$379.6K0.02%−1,121−13.3%Reduced
Crossmark Global Holdings, Inc.7,110$369.9K0.01%−1,821−20.4%Reduced
Bridgefront Capital, LLC7,037$366.1K0.11%+7,037New
Truist Financial Corp7,020$365.3K0.00%−535−7.1%Reduced
Sterling Capital Management LLC6,859$356.9K0.01%−513−7.0%Reduced
Bayforest Capital Ltd6,827$355.2K0.15%+6,443+1,677.9%Added
Bayesian Capital Management, LP6,816$354.6K0.06%+6,816New
Cetera Trust Company, N.A6,798$353.7K0.23%00.0%Unchanged
CWM Advisors, LLC6,641$345.5K0.04%−624−8.6%Reduced
Utah Retirement Systems6,600$343.4K0.00%00.0%Unchanged
Citizens National Bank Trust Department6,407$333.4K0.07%00.0%Unchanged
Dynamic Technology Lab Private Ltd6,232$324.0K0.05%+6,232New
O'Shaughnessy Asset Management, LLC6,203$322.7K0.00%−284−4.4%Reduced
ProShare Advisors LLC6,078$316.2K0.00%+6,078New
Panagora Asset Management Inc6,013$312.9K0.00%−1,515−20.1%Reduced
Ieq Capital, LLC6,001$312.2K0.00%−14,124−70.2%Reduced
US Bancorp5,959$310.0K0.00%−732−10.9%Reduced
PEAK6 LLC5,872$305.5K0.01%+5,872New
Maven Securities LTD5,848$304.3K0.07%+248+4.4%Added
Tower Research Capital LLC (TRC)5,822$302.9K0.01%−3,584−38.1%Reduced
Walleye Capital LLC5,821$302.9K0.00%−137,437−95.9%Reduced
KBC Group NV5,779$301.0K0.00%+720+14.2%Added
Maryland State Retirement & Pension System5,766$300.0K0.01%−49,314−89.5%Reduced
Marex Group plc5,700$296.6K0.01%+5,700New
Basepoint Wealth LLC5,664$294.7K0.23%00.0%Unchanged
Quest Partners LLC5,602$291.5K0.03%+1,091+24.2%Added
PharVision Advisers, LLC5,563$289.4K0.40%+5,563New
Journey Strategic Wealth LLC5,405$281.2K0.01%−64−1.2%Reduced
Steward Partners Investment Advisory, LLC5,384$280.1K0.00%+4,778+788.4%Added
Petrus Trust Company, LTA5,339$277.8K0.03%+5,339New
Hancock Whitney Corp5,312$276.4K0.01%−1,320−19.9%Reduced
Twin Tree Management, LP5,309$276.2K0.01%+5,309New
IFG Advisory, LLC5,221$271.7K0.02%+5,221New
Gladstone Institutional Advisory LLC5,203$270.7K0.01%+5,203New