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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
NFSG Corp46$6.69K<0.01%-87413F-HRTimeline
Ascentis Independent Advisorsin group Ascentis Wealth Management, L…42$6.11K<0.01%new13F-HRTimelineGroup
LRI Investments, LLC42$6.11K<0.01%new13F-HRTimeline
Capital Advisors, Ltd. LLC38$6K<0.01%013F-HRTimeline
MCF Advisors LLC36$5.24K<0.01%013F-HRTimeline
Clearstead Advisors, LLC34$4.95K<0.01%-56413F-HRTimeline
Sachetta, LLC34$4.95K<0.01%new13F-HRTimeline
Bell Investment Advisors, Inc33$4.8K<0.01%013F-HRTimeline
Legacy Wealth Managment, LLC/IDin group Legacy Wealth Managment, LLC/…32$4.66K<0.01%new13F-HRTimelineGroup
Transamerica Financial Advisors, LLCin group Transamerica Financial Adviso…31$4.51K<0.01%+2913F-HRTimelineGroup
JPL Wealth Management, LLC29$4.22K<0.01%new13F-HR/ATimeline
DiNuzzo Private Wealth, Inc.27$3.93K<0.01%+313F-HRTimeline
Cornerstone Financial Management LLC27$3.93K<0.01%013F-HR/ATimeline
Annis Gardner Whiting Capital Advisors,…24$3.49K<0.01%+113F-HRTimeline
Cornerstone Planning Group LLC22$3.42K<0.01%new13F-HRTimeline
Bay Harbor Wealth Management, LLC23$3.35K<0.01%+1213F-HRTimeline
New England Capital Financial Advisors …20$2.91K<0.01%new13F-HRTimeline
Valued Wealth Advisors LLC20$2.91K<0.01%+1713F-HRTimeline
Marquette Asset Management, LLC17$2.47K<0.01%new13F-HRTimeline
IMA Advisory Services, Inc.17$2.47K<0.01%new13F-HRTimeline
SouthState Bank Corpin group SouthState Bank Corp16$2.33K<0.01%+513F-HRTimelineGroup
Dunhill Financial, LLC15$2.21K<0.01%+1313F-HRTimeline
Rialto Wealth Management, LLC14$2.04K<0.01%+213F-HRTimeline
Cromwell Holdings LLC14$2.04K<0.01%013F-HRTimeline
CX Institutional16$2K<0.01%new13F-HRTimeline
Torren Management, LLC13$1.89K<0.01%-44113F-HRTimeline
LANARK FINANCIAL, INC.13$1.89K<0.01%new13F-HRTimeline
BROWN, LISLE/CUMMINGS, INC.12$1.75K<0.01%new13F-HRTimeline
FIRST HORIZON CORP12$1.75K<0.01%013F-HRTimeline
DecisionPoint Financial, LLC11$1.6K<0.01%013F-HRTimeline
Clarity Asset Management, Inc.11$1.58K<0.01%new13F-HRTimeline
Morse Asset Management, Inc10$1.46K<0.01%013F-HRTimeline
Bogart Wealth, LLC10$1.46K<0.01%+513F-HRTimeline
Vermillion Wealth Management, Inc.10$1.46K<0.01%new13F-HRTimeline
Leo H. Evart, Inc.10$1.46K<0.01%13F-HR/ATimeline
CREATIVE FINANCIAL DESIGNS INC /ADV9$1.31K<0.01%new13F-HRTimeline
HFM Investment Advisors, LLC9$1.31K<0.01%+113F-HRTimeline
Stone House Investment Management, LLC7$1.02K<0.01%013F-HRTimeline
Harvest Fund Management Co., Ltdin group Harvest Fund Management Co., …6$1K<0.01%013F-HRTimelineGroup
Geneos Wealth Management Inc.4$582<0.01%new13F-HRTimeline
American Capital Advisory, LLC4$582<0.01%+313F-HRTimeline
Intentional Wealth Strategies, LLC4$582<0.01%13F-HRTimeline
Murphy & Mullick Capital Management Corp3$436<0.01%013F-HRTimeline
CURIO WEALTH, LLC3$436<0.01%new13F-HRTimeline
Godfrey Financial Associates, Inc.3$436<0.01%new13F-HRTimeline
Sunbelt Securities, Inc.2$291<0.01%013F-HRTimeline
MV CAPITAL MANAGEMENT, INC.2$291<0.01%+113F-HRTimeline
Principia Wealth Advisory, LLC2$291<0.01%013F-HRTimeline
Kilter Group LLC1$146<0.01%-213F-HRTimeline
Leonteq Securities AG1$145<0.01%-20313F-HRTimeline
Hughes Financial Services, LLC1$145<0.01%new13F-HRTimeline
ROSS\JOHNSON & Associates LLC1$145<0.01%013F-HRTimeline