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Disclosery

ATI ATI INC

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Stock (common), issuer CIK 1018963

652 managers (678 13F filers) reported a position in ATI shares at 2026-03-31, 127,383,604 shares in all. 155 filers opened a position and 52 filers sold out during the quarter.

Managers
652
13F filers
678
New
155
Added
246
Reduced
189
Sold out
52
Shares held by filers
127,383,604

Shares held by filers adds up every 13F filer's report, so a share reported by a parent and by its subsidiary counts twice (H9). Managers counts each filer group once.

13D and 13G filers

No 13D or 13G on this security in the data. Structured 13D/G data starts 2024-12-18.

Insider trades

No Form 4 transaction on this security in the data.

13F holders, Q1 2026

Filers in the available 13F reports with a share position at 2026-03-31, filer groups collapsed to one row (method), largest first. Options and principal amounts are left out. A group row states no % of portfolio, since each member reports its own portfolio: the members' percents are listed under it. A value about 1,000 times or 1/1,000 of the price other filers imply is shown as filed but neither ranks the row nor enters a sum.

HolderSharesValue% of portfolioChangeSource
STRS OHIO3,222$469K<0.01%-513F-HRTimeline
GSA CAPITAL PARTNERS LLP3,147$458K0.03%new13F-HRTimeline
Meiji Yasuda Asset Management Co Ltd.in group Meiji Yasuda Life Insurance Co3,129$455K0.02%+1113F-HRTimelineGroup
U.S. Capital Wealth Advisors, LLC3,119$454K0.01%+32513F-HRTimeline
Vontobel Holding Ltd.in group Vontobel Holding Ltd.3,096$450K<0.01%-18313F-HRTimelineGroup
Bank of Marin3,070$447K0.33%-4,35313F-HRTimeline
TRUST CO OF OKLAHOMA3,011$438K0.13%new13F-HRTimeline
Keystone Financial Group2,890$420K0.03%+1513F-HRTimeline
State of Wyoming2,882$419K0.05%-2,33613F-HRTimeline
OARSMAN CAPITAL, INC.2,870$417K0.05%-50013F-HRTimeline
NewEdge Wealth, LLC2,857$416K<0.01%+83413F-HRTimeline
BANCO BILBAO VIZCAYA ARGENTARIA, S.A.2,913$412K<0.01%-68013F-HRTimeline
DRW Securities, LLC2,816$410K0.02%new13F-HRTimeline
MEEDER ASSET MANAGEMENT INCin group Meeder Advisory Services, Inc.2,754$401K0.02%+7413F-HRTimelineGroup
Accel Wealth Management2,749$400K0.1%-29913F-HRTimeline
Cynosure Group, LLC2,749$400K0.05%new13F-HRTimeline
PICTON MAHONEY ASSET MANAGEMENT2,711$394K<0.01%-63913F-HRTimeline
Bull Harbor Capital LLC2,686$391K0.1%13F-HRTimeline
Cordatus Wealth Management LLC2,636$383K0.09%new13F-HRTimeline
Shay Capital LLC2,600$378K0.05%+60013F-HRTimeline
DAVENPORT & Co LLC2,590$377K<0.01%new13F-HRTimeline
JOHNSON INVESTMENT COUNSEL INC2,574$374K<0.01%-5013F-HRTimeline
EXCHANGE TRADED CONCEPTS, LLC2,569$374K<0.01%-72713F-HRTimeline
Savant Capital, LLCin group Savant Capital, LLC2,552$371K<0.01%+10313F-HRTimelineGroup
BNP PARIBAS ASSET MANAGEMENT Holding S.…in group BNP PARIBAS ASSET MANAGEMENT …2,545$370K<0.01%-2,43613F-HRTimelineGroup
OLD NATIONAL BANCORP /IN/2,516$366K0.01%013F-HRTimeline
Associated Banc-Corpin group Associated Banc-Corp2,500$364K0.01%013F-HRTimelineGroup
TOTH FINANCIAL ADVISORY CORP2,500$364K0.04%013F-HRTimeline
DDFG, Inc2,498$363K0.08%013F-HRTimeline
JUNCTURE WEALTH STRATEGIES, LLC2,487$362K0.12%013F-HRTimeline
Caerus Investment Advisors, LLC2,470$359K0.15%+113F-HRTimeline
CHILTON INVESTMENT CO INC.2,469$359K0.01%new13F-HRTimeline
NorthCrest Asset Manangement, LLC2,440$358K0.01%-80013F-HRTimeline
Allworth Financial LP2,455$357K<0.01%+81813F-HRTimeline
Private Advisor Group, LLC2,422$352K<0.01%new13F-HRTimeline
SYON CAPITAL LLC2,382$346K0.02%-6413F-HRTimeline
Compound Planning, Inc.2,378$346K0.01%+32013F-HRTimeline
Bridgefront Capital, LLC2,359$343K0.09%new13F-HRTimeline
AE Wealth Management LLC2,349$342K<0.01%new13F-HRTimeline
Truvestments Capital LLC2,342$341K0.06%new13F-HRTimeline
Abel Hall, LLC2,323$338K0.07%+5813F-HRTimeline
BOOTHBAY FUND MANAGEMENT, LLC2,285$332K0.01%-31,44413F-HRTimeline
STEPHENS INC /AR/in group Stephens Investment Managemen…2,267$330K<0.01%new13F-HRTimelineGroup
American Trust2,238$326K0.03%-1,57813F-HRTimeline
TCW GROUP INCin group TCW GROUP INC2,220$323K<0.01%new13F-HRTimelineGroup
Scientech Research LLC2,215$322K0.27%new13F-HRTimeline
LEAVELL INVESTMENT MANAGEMENT, INC.2,200$320K0.01%013F-HRTimeline
Vise Technologies, Inc.2,772$318K0.01%013F-HRTimeline
Kentucky Retirement Systemsin group Kentucky Retirement Systems8,915$318K0.02%new13F-HRTimelineGroup
Quantitative Investment Management, LLC2,159$314K0.03%-3,57213F-HRTimeline
Chicago Partners Investment Group LLC2,034$312K0.01%new13F-HRTimeline
Carnegie Investment Counsel2,136$311K0.01%-3,30013F-HRTimeline
BESSEMER GROUP INCin group BESSEMER GROUP INC2,106$306K<0.01%+19713F-HRTimelineGroup
SIG BROKERAGE, LP2,102$306K0.09%new13F-HRTimeline
COMMERCE BANKin group COMMERCE BANK2,101$306K<0.01%+2513F-HRTimelineGroup
Laird Norton Wetherby Trust Company, LLCin group Laird Norton Wetherby Trust C…2,094$305K0.01%+10813F-HRTimelineGroup
J.W. COLE ADVISORS, INC.2,091$304K0.01%013F-HRTimeline
Wedmont Private Capital1,941$304K0.01%+6413F-HRTimeline
HOWARD WEALTH MANAGEMENT, LLC2,081$303K0.13%013F-HRTimeline
Perigon Wealth Management, LLC2,059$300K0.01%-23113F-HRTimeline
Arax Advisory Partners2,033$297K0.01%+1,53513F-HRTimeline
NORTHLAND SECURITIES, INC.2,000$291K0.28%013F-HRTimeline
KILEY JUERGENS WEALTH MANAGEMENT, LLC1,998$291K0.05%new13F-HRTimeline
VestGen Advisors, LLC1,805$291K0.01%new13F-HRTimeline
UMB Bank, n.a.1,992$290K<0.01%+1813F-HRTimelineThe filing omitted confidential holdings, a later amendment may add them.
Revisor Wealth Management LLC1,988$289K0.08%-6013F-HRTimeline
Coyle Financial Counsel LLC1,975$287K0.06%+3313F-HRTimeline
Baird Financial Group, Inc.in group Baird Financial Group, Inc.1,940$282K<0.01%new13F-HRTimelineGroup
Optas, LLC1,928$280K0.04%013F-HRTimeline
CITIZENS FINANCIAL GROUP INC/RIin group CITIZENS FINANCIAL GROUP INC/…1,911$278K<0.01%new13F-HRTimelineGroup
Machina Capital S.A.S.1,900$276K0.05%new13F-HRTimeline
OpenArc Corporate Advisory, LLC1,898$276K<0.01%new13F-HRTimeline
Souders Financial Advisors1,885$274K0.03%-52813F-HRTimeline
Successful Portfolios LLC2,000$271K0.15%013F-HRTimeline
WADDELL & ASSOCIATES, LLC1,832$266K0.02%+3113F-HRTimeline
UNITED CAPITAL FINANCIAL ADVISORS, LLCin group UNITED CAPITAL FINANCIAL ADVI…1,789$260K<0.01%new13F-HRTimelineGroup
FORA Capital, LLC1,768$257K0.02%new13F-HRTimeline
Annex Advisory Services, LLC1,763$256K<0.01%new13F-HRTimeline
Pilgrim Partners Asia Pte Ltd1,760$256K0.11%+30013F-HRTimeline
Operose Advisors LLC1,751$255K0.06%-1,04313F-HRTimeline
ROTHSCHILD INVESTMENT LLC1,717$250K0.01%+23013F-HRTimeline
BEESE FULMER INVESTMENT MANAGEMENT, INC.1,717$250K0.02%new13F-HRTimeline
TD PRIVATE CLIENT WEALTH LLC1,717$250K0.01%+28613F-HRTimeline
Parallel Advisors, LLC1,713$249K<0.01%+17413F-HR/ATimeline
Versant Capital Management, Inc1,712$249K0.02%-4613F-HRTimeline
SmartHarvest Portfolios, LLC1,712$249K0.1%new13F-HRTimeline
Mainstream Capital Management LLC1,700$247K0.17%new13F-HRTimeline
Ausdal Financial Partners, Inc.1,680$244K0.01%new13F-HRTimeline
Avantax Planning Partners, Inc.1,678$244K0.01%new13F-HRTimeline
TWINBEECH CAPITAL LP1,671$243K0.03%new13F-HRTimeline
Capital Asset Advisory Services LLC1,475$242K0.01%new13F-HRTimeline
Fieldview Capital Management, LLC1,611$234K0.07%new13F-HRTimeline
DV Trading LLC1,600$233K0.02%+80013F-HRTimeline
Advisor OS, LLCin group Advisor OS, LLC1,595$232K0.02%-16513F-HRTimelineGroup
INSIGNEO ADVISORY SERVICES, LLC1,562$227K0.02%new13F-HRTimeline
INCEPTIONR LLC1,546$225K0.05%-1,07013F-HRTimeline
F/m Investments LLC1,542$224K0.01%-3,10913F-HRTimeline
Parcion Private Wealth LLC1,526$222K0.01%new13F-HRTimeline
RETIREMENT GUYS FORMULA LLC1,523$222K0.1%new13F-HRTimeline
Archer Investment Corp1,510$220K0.05%new13F-HRTimeline
Marathon Mission, Inc.1,488$216K0.13%new13F-HRTimeline
FIDELIS CAPITAL PARTNERS, LLC1,481$215K0.02%new13F-HRTimeline
EVOLVE PRIVATE WEALTH, LLC1,481$215K0.01%new13F-HRTimeline
Wilkerson Advisory Group LLC1,474$214K0.07%new13F-HRTimeline
Networth Advisors, LLC1,464$213K0.15%+33313F-HRTimeline
Insight Wealth Strategies, LLC1,454$211K0.02%new13F-HRTimeline
Cape Investment Advisory, Inc.1,438$209K0.07%013F-HRTimeline
Rothschild Wealth LLC1,433$208K0.02%new13F-HRTimeline
PRELUDE CAPITAL MANAGEMENT, LLC1,427$208K0.02%new13F-HRTimeline
Ponta Wealth Partners, LLC1,427$208K0.17%new13F-HRTimeline
Fiduciary Trust Coin group Fiduciary Trust Co1,414$206K<0.01%new13F-HRTimelineGroup
DIVERSIFIED TRUST CO1,410$205K<0.01%new13F-HRTimeline
HORAN Wealth, LLC1,400$204K0.02%new13F-HRTimeline
JFS WEALTH ADVISORS, LLC1,378$200K0.01%+713F-HRTimeline
Employees Retirement System of Texas1,330$193K<0.01%new13F-HRTimeline
AdvisorNet Financial, Inc1,299$189K0.01%+1,29513F-HRTimeline
Pinnacle Wealth Planning Services, Inc.1,271$185K0.02%-24513F-HRTimeline
Optiver Holding B.V.in group Optiver Holding B.V.1,226$178K0.01%new13F-HR/ATimelineGroup
Strategic Investment Advisors / MI1,214$177K0.01%new13F-HRTimeline
Bayforest Capital Ltd1,127$164K0.18%-1,48813F-HRTimeline
Essential Partners LLC1,104$161K0.05%+1013F-HRTimeline
Barnes Dennig Private Wealth Management…1,078$157K0.16%new13F-HRTimeline
Capital Analysts, LLCin group Capital Analysts, LLC1,013$147K<0.01%013F-HRTimelineGroup
USA FINANCIAL FORMULAS992$144K0.03%new13F-HRTimeline
IFP Advisors, Inc992$144K<0.01%+35013F-HRTimeline
MAI Capital Management938$136K<0.01%+30613F-HRTimeline
SBI Securities Co., Ltd.871$127K<0.01%+81513F-HRTimeline
Root Financial Partners, LLC862$125K0.01%+60413F-HRTimeline
Hilltop National Bank842$122K0.03%new13F-HRTimeline
Quarry LP840$122K0.02%new13F-HRTimeline
Activest Wealth Management835$121K0.02%+113F-HRTimeline
Rakuten Securities, Inc.in group Rakuten Group, Inc.755$110K0.05%+75013F-HRTimelineGroup
CFG Wealth Management Services, Inc.720$105K0.1%013F-HRTimeline
ARK Investment Management LLCin group ARK Investment Management LLC679$98.8K<0.01%-21013F-HRTimelineGroup
WOLFF WIESE MAGANA LLC630$91.6K0.05%+60013F-HRTimeline
ACADIAN ASSET MANAGEMENT LLCin group ACADIAN ASSET MANAGEMENT LLC605$88K<0.01%new13F-HRTimelineGroup
Smartleaf Asset Management LLC626$84.8K<0.01%-65713F-HRTimeline
Cullen/Frost Bankers, Inc.in group Cullen/Frost Bankers, Inc.553$80.4K<0.01%new13F-HRTimelineGroup
Johnson Financial Group, Inc.in group Johnson Financial Group, Inc.550$80K<0.01%013F-HRTimelineGroup
Cedar Mountain Advisors, LLC535$77.8K0.02%013F-HRTimeline
SIGNATUREFD, LLC525$76.4K<0.01%+8413F-HRTimeline
Keating Financial Advisory Services, In…504$73.3K0.01%+10913F-HRTimeline
HUB Investment Partners, LLC483$70.3K<0.01%new13F-HRTimeline
Parkside Financial Bank & Trust475$69.1K0.01%+20813F-HRTimeline
WPG Advisers, LLC467$67.9K0.05%013F-HRTimeline
HOLLENCREST CAPITAL MANAGEMENT452$65.7K<0.01%+33413F-HRTimeline
Prestige Wealth Management Group LLC420$61.1K0.01%013F-HRTimeline
SUMMIT SECURITIES GROUP LLC413$60.1K0.03%new13F-HRTimeline
MassMutual Private Wealth & Trust, FSB400$58.2K<0.01%-1813F-HRTimeline
Aster Capital Management (DIFC) Ltd866$45.1K0.01%-1,19913F-HRTimeline
MACQUARIE GROUP LTDin group MACQUARIE GROUP LTD303$44.1K<0.01%new13F-HRTimelineGroup
DANSKE BANK A/S300$43.6K<0.01%-1,20013F-HRTimeline
EFG International AGin group EFG International AG299$43.5K<0.01%new13F-HRTimelineGroup
Golden State Wealth Management, LLC292$42.5K<0.01%013F-HRTimeline
Physician Wealth Advisors, Inc.278$40.4K0.01%013F-HRTimeline
Destiny Wealth Partners, LLC265$38.5K<0.01%new13F-HRTimeline
True Wealth Design, LLC262$38.1K0.01%+213F-HRTimeline
Triumph Capital Management259$37.7K0.01%new13F-HRTimeline
MATHER GROUP, LLC.200$29.1K<0.01%new13F-HRTimeline
SJS Investment Consulting Inc.197$28.7K<0.01%+2513F-HRTimeline
Colonial Trust Co / SCin group Colonial Trust Advisors187$27.2K<0.01%new13F-HRTimelineGroup
Signature Equity Partners, LLC182$26.5K0.01%+12313F-HRTimeline
Ancora Advisors LLCin group Ancora Advisors LLC178$25.9K<0.01%013F-HRTimelineGroup
BLUE BELL PRIVATE WEALTH MANAGEMENT, LLC175$25.5K<0.01%+4213F-HRTimeline
CVA Family Office, LLC175$25.5K<0.01%new13F-HRTimeline
CONTRAVISORY INVESTMENT MANAGEMENT, INC.162$23.6K<0.01%-2313F-HRTimeline
PRIVATE TRUST CO NA160$23.3K<0.01%new13F-HRTimeline
GHP Investment Advisors, Inc.155$22.5K<0.01%+413F-HRTimeline
Kemnay Advisory Services Inc.155$22.5K<0.01%-96513F-HRTimeline
ASSETMARK, INCin group ASSETMARK, INC152$22.1K<0.01%-33313F-HRTimelineGroup
ZIONS BANCORPORATION, NATIONAL ASSOCIAT…149$21.7K<0.01%+3713F-HRTimeline
MCGUIRE CAPITAL ADVISORS INC136$19.8K0.01%013F-HRTimeline
Global X Japan Co., Ltd.133$19.3K<0.01%-313F-HRTimeline
Blue Trust, Inc.132$19.2K<0.01%+913F-HRTimeline
TWIN PEAKS WEALTH ADVISORS, LLC131$19.1K<0.01%new13F-HRTimeline
Pinnacle Bancorp, Inc.128$18.6K0.01%+9413F-HRTimeline
TFC Financial Management, Inc.118$17.2K<0.01%013F-HRTimeline
First Command Advisory Services, Inc.110$16K<0.01%new13F-HRTimeline
CHILTON CAPITAL MANAGEMENT LLC109$15.9K<0.01%new13F-HRTimeline
Fortitude Family Office, LLC107$15.6K<0.01%+7813F-HRTimeline
Wealth Preservation Advisors, LLC101$14.7K0.01%new13F-HRTimeline
Larson Financial Group LLC91$13.2K<0.01%+1113F-HRTimeline
Wall Street Financial Group, Inc.87$12.7K0.01%new13F-HRTimeline
Bare Financial Services, Inc80$11.6K<0.01%-813F-HRTimeline
Covestor Ltd78$11K0.01%-1,89313F-HRTimeline
Quent Capital, LLC71$10.3K<0.01%+213F-HRTimeline
Moisand Fitzgerald Tamayo, LLC70$10.2K<0.01%013F-HRTimeline
Rossby Financial, LCC67$10.1K<0.01%+1613F-HRTimeline
CENTRAL TRUST Co66$9.6K<0.01%013F-HRTimeline
Private Wealth Management Group, LLC66$9.6K<0.01%-3613F-HRTimeline
ADIRONDACK TRUST CO66$9.6K<0.01%013F-HRTimeline
RAFFA WEALTH MANAGEMENT, LLC66$9.6K<0.01%new13F-HRTimeline
United Financial Planning Group LLC66$9.6K0.01%new13F-HRTimeline
Silicon Valley Capital Partners54$7.86K<0.01%new13F-HRTimeline
Salomon & Ludwin, LLC53$7.77K<0.01%013F-HRTimeline
CALDWELL SUTTER CAPITAL, INC.50$7.27K<0.01%013F-HRTimeline
FINANCIAL CONSULATE, INC50$7.27K<0.01%013F-HRTimeline
Lodestone Wealth Management LLC49$7.13K<0.01%013F-HR/ATimeline
Longview Financial Advisors, Inc.48$6.98K<0.01%new13F-HRTimeline
Elequin Capital, LP46$6.69K<0.01%new13F-HRTimeline