13F

Stock

Ati Inc

ATI · held by 571 managers

Reported value

$14.4B

Holders

571

+8 new · −2 exited

Holders’ est. mark

$170.7M

Price effect on 7 books still in the name

Largest holder

$1.96B

Capital International Investors

Notable conviction

Share of each notable manager’s 13F book.

Holder count by quarter

Who holds it

Notable only
InvestorSharesValueEst. markChange
Capital International Investors17.1M$1.96BHeld
BlackRock, Inc.14.7M$1.68BHeld
Vanguard12.7M$1.46BHeld
Capital World Investors7.36M$844.2MHeld
State Street5.6M$642.6MHeld
Fidelity5.07M$582.4MHeld
Capital Research Global Investors3.61M$414.5MHeld
Invesco Ltd.3.38M$388.5MHeld
GEODE CAPITAL MANAGEMENT, LLC2.42M$277.7MHeld
DIMENSIONAL FUND ADVISORS LP2.13M$244MHeld
DENDUR CAPITAL LP2.04M$234MHeld
D. E. Shaw & Co., Inc.2.02M$232.1MHeld
NORGES BANK1.73M$198.8M$92.2MAdded$122.3M
AMERICAN CENTURY COMPANIES INC1.59M$182.5MHeld
CHARLES SCHWAB INVESTMENT MANAGEMENT INC1.49M$170.8MHeld
MORGAN STANLEY1.28M$147.3M$42.9MAdded$32.3M
AMERIPRISE FINANCIAL INC1.24M$142.8MHeld
FRONTIER CAPITAL MANAGEMENT CO LLC1.23M$140.9MHeld
UBS Group AG1.19M$136.9MHeld
NORTHERN TRUST CORP1.17M$134.7MHeld
Holocene Advisors, LP1.07M$123MHeld
Icahn Capital1.02M$117MHeld
MIRAE ASSET GLOBAL ETFS HOLDINGS Ltd.1.01M$115.7MHeld
LOOMIS SAYLES & CO L P935.7K$107.4MHeld
Bank of New York Mellon Corp912.9K$104.8MHeld
Fisher Asset Management, LLC908.5K$104.3MHeld
BARROW HANLEY MEWHINNEY & STRAUSS LLC857.9K$98.5MHeld
NEUBERGER BERMAN GROUP LLC822.7K$94.4MHeld
RAYMOND JAMES FINANCIAL INC803.3K$92.3MHeld
BANK OF AMERICA CORP /DE/799.1K$91.7M$24.5MAdded$32M
PRUDENTIAL FINANCIAL INC796.4K$91.4MHeld
Point72 Asset Management, L.P.760.2K$87.2MHeld
Jain Global LLC665.3K$76.3MHeld
MARSHALL WACE, LLP628.3K$72.1MHeld
Allspring Global Investments Holdings, LLC603.7K$72MHeld
Nuveen, LLC547.5K$62.8MHeld
FEDERATED HERMES, INC.545.9K$62.6MHeld
MILLENNIUM MANAGEMENT LLC506.9K$58.2MHeld
Woodline Partners LP471.2K$54.1MHeld
SCHRODER INVESTMENT MANAGEMENT GROUP453.5K$52.7MHeld
Qube Research & Technologies Ltd430.2K$49.4MHeld
BNP PARIBAS FINANCIAL MARKETS392.7K$45.1MHeld
Balyasny Asset Management L.P.390K$44.8MHeld
GAMCO INVESTORS, INC. ET AL383.1K$44MHeld
VAUGHAN NELSON INVESTMENT MANAGEMENT, L.P.377.6K$43.3MHeld
WELLINGTON MANAGEMENT GROUP LLP377.4K$43.3MHeld
ARROWSTREET CAPITAL, LIMITED PARTNERSHIP363.3K$41.7MHeld
GOLDMAN SACHS GROUP INC362.4K$41.6MHeld
JPMORGAN CHASE & CO354.9K$40.7MHeld
TRAN CAPITAL MANAGEMENT, L.P.352.3K$40.4MHeld
UBS AM, a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC352.3K$40.4MHeld
RHUMBLINE ADVISERS347.5K$39.9MHeld
Capital International, Inc./CA/326.1K$37.4MHeld
Senator Investment Group LP325K$37.3MHeld
KLCM Advisors, Inc.322.7K$37MHeld
SEGALL BRYANT & HAMILL, LLC321.7K$36.9MHeld
Retirement Systems of Alabama308.8K$35.4MHeld
EMERALD ADVISERS, LLC307.6K$35.3MHeld
ALLIANCEBERNSTEIN L.P.306.5K$35.2MHeld
1832 Asset Management L.P.294.5K$33.8MHeld
PRINCIPAL FINANCIAL GROUP INC292.1K$33.5MHeld
Gotham Asset Management, LLC291K$33.4MHeld
JANE STREET GROUP, LLC277.2K$31.8MHeld
MUFG Securities EMEA plc277K$31.8MHeld
Swiss National Bank271.7K$31.2MHeld
NATIXIS264.1K$30.3MHeld
Cartenna Capital, LP260K$29.8MHeld
California Public Employees Retirement System254.7K$29.2MHeld
CANADA PENSION PLAN INVESTMENT BOARD245.5K$28.2MHeld
Allianz Asset Management GmbH242.5K$27.8MHeld
BANK OF NOVA SCOTIA242.2K$27.8MHeld
NOMURA ASSET MANAGEMENT INTERNATIONAL INC.239.6K$27.5MHeld
STATE OF WISCONSIN INVESTMENT BOARD228.8K$26.3MHeld
Legal & General Group Plc224.8K$25.8MHeld
WELLS FARGO & COMPANY/MN217.8K$25MHeld
Driehaus Capital Management LLC213.1K$24.5MHeld
HAWK RIDGE CAPITAL MANAGEMENT LP209.5K$24MHeld
ING GROEP NV195.3K$22.4MHeld
EMERALD MUTUAL FUND ADVISERS TRUST183.6K$21.1MHeld
Corient Private Wealth LLC176.5K$20.5MHeld
CIBC WORLD MARKETS CORP177.4K$20.4MHeld
VOLORIDGE INVESTMENT MANAGEMENT, LLC175.7K$20.2MHeld
Concentric Capital Strategies, LP162K$18.6MHeld
SIGNATURE ESTATE & INVESTMENT ADVISORS LLC144.3K$16.6MHeld
BARCLAYS PLC139.5K$16M$4.66MCut−$9.99M
Sanctuary Advisors, LLC135.3K$15.5M$2.73MAdded$8.88M
Man Group plc131.7K$15.1MHeld
ROYCE & ASSOCIATES LP131.5K$15.1MHeld
CALIFORNIA STATE TEACHERS RETIREMENT SYSTEM130.4K$15MHeld
Mountaineer Partners Management, LLC128.9K$14.8MHeld
JUPITER ASSET MANAGEMENT LTD125.1K$14.4MHeld
SEI INVESTMENTS CO119.6K$13.7MHeld
Weiss Asset Management LP119K$13.7MNew
J. Goldman & Co LP114.2K$13.1MHeld
DEUTSCHE BANK AG\111.1K$12.8MHeld
Schonfeld Strategic Advisors LLC107.1K$12.3MHeld
Channing Capital Management, LLC105.3K$12.1MHeld
FACT Capital, LP103.1K$11.8MHeld
Citadel102.7K$11.8MHeld
Saraza Management, LP102.5K$11.8MHeld
Walleye Capital LLC102.3K$11.7MHeld
Connor, Clark & Lunn Investment Management Ltd.100.9K$11.6MHeld
STATE BOARD OF ADMINISTRATION OF FLORIDA RETIREMENT SYSTEM100.2K$11.5MHeld
STIFEL FINANCIAL CORP97.6K$11.2MHeld
Advisors Asset Management, Inc.97.3K$11.2MHeld
CITIGROUP INC93.9K$10.8MHeld
MANUFACTURERS LIFE INSURANCE COMPANY, THE93.7K$10.8MHeld
WORLDQUANT MILLENNIUM ADVISORS LLC92.2K$10.6MHeld
Hudson Bay Capital Management LP91.9K$10.5M$3.07MCut−$2.04M
HSBC HOLDINGS PLC90.8K$10.5MHeld
Epoch Investment Partners, Inc.90.3K$10.4MHeld
GUGGENHEIM CAPITAL LLC86.4K$9.92MHeld
SUSQUEHANNA FUNDAMENTAL INVESTMENTS, LLC82.8K$9.5MHeld
FIRST TRUST ADVISORS LP81.3K$9.33MHeld
S Squared Technology, LLC80K$9.18MHeld
NEOS Investment Management LLC78.1K$8.96MHeld
TEMA ETFS LLC78.1K$8.96MHeld
ROYAL BANK OF CANADA76.2K$8.75MHeld
Mengis Capital Management, Inc.73.3K$8.41MHeld
COMERICA BANK72.4K$8.31MHeld
GLOBEFLEX CAPITAL L P72.1K$8.27MHeld
SummitTX Capital, L.P.68.7K$7.88MHeld
LPL Financial LLC66.6K$7.65MHeld
MetLife Investment Management, LLC66.4K$7.62MHeld
IEQ CAPITAL, LLC65.2K$7.48MHeld
NEW YORK STATE COMMON RETIREMENT FUND64.9K$7.45MHeld
State of Tennessee, Department of Treasury60.5K$7.28MHeld
Candelo Capital Management LP63.4K$7.28MHeld
Capital Group Private Client Services, Inc.63.4K$7.27MHeld
ENVESTNET ASSET MANAGEMENT INC63.3K$7.27MHeld
Lansforsakringar Fondforvaltning AB (publ)63K$7.23MHeld
CAPITAL FUND MANAGEMENT S.A.62.7K$7.19MHeld
JANUS HENDERSON GROUP PLC60.5K$6.95MHeld
Waverly Advisors, LLC59.8K$6.87MHeld
Police & Firemen's Retirement System of New Jersey57.4K$6.58MHeld
Tribune Investment Group LP57K$6.54MHeld
MUTUAL OF AMERICA CAPITAL MANAGEMENT LLC56.5K$6.49MHeld
Horizon Investments, LLC55.5K$6.37MHeld
Mariner, LLC54.1K$6.21MHeld
HEALTHCARE OF ONTARIO PENSION PLAN TRUST FUND53.5K$6.14MHeld
NORDEA INVESTMENT MANAGEMENT AB52.7K$6.11MHeld
Sagefield Capital LP51.5K$5.9MHeld
Covea Finance49.4K$5.67MHeld
TD Asset Management Inc47.8K$5.48MHeld
State of New Jersey Common Pension Fund D46.9K$5.38MHeld
PNC Financial Services Group, Inc.45.9K$5.26MHeld
YOUSIF CAPITAL MANAGEMENT, LLC42.5K$5.24MHeld
Pathstone Holdings, LLC45.4K$5.2MHeld
BLAIR WILLIAM & CO/IL44.1K$5.06MHeld
Zurcher Kantonalbank (Zurich Cantonalbank)43.9K$5.04MHeld
Asset Management One Co., Ltd.42.4K$4.94MHeld
1492 Capital Management LLC42.3K$4.85MHeld
FARMERS & MERCHANTS INVESTMENTS INC42.1K$4.83MHeld
VOYA INVESTMENT MANAGEMENT LLC41.6K$4.77MHeld
PUBLIC EMPLOYEES RETIREMENT SYSTEM OF OHIO41.4K$4.75MHeld
PIER 88 INVESTMENT PARTNERS LLC40.9K$4.7MHeld
CREDIT AGRICOLE S A39K$4.48MHeld
ARIZONA STATE RETIREMENT SYSTEM38.4K$4.41MHeld
Envestnet Portfolio Solutions, Inc.37.8K$4.34MHeld
Quantbot Technologies LP37.7K$4.32MHeld
Louisiana State Employees Retirement System37.6K$4.31MHeld
Engineers Gate Manager LP37.4K$4.3MHeld
Register Financial Advisors LLC37.4K$4.29MHeld
Roubaix Capital, LLC37.3K$4.28MHeld
Focus Partners Advisor Solutions, LLC36.2K$4.15MHeld
COOKSON PEIRCE & CO INC35.5K$4.07MHeld
New Age Alpha Advisors, LLC34K$3.91MHeld
COMMONWEALTH OF PENNSYLVANIA PUBLIC SCHOOL EMPLS RETRMT SYS34K$3.9MHeld
Cerity Partners LLC34K$3.9MHeld
BOOTHBAY FUND MANAGEMENT, LLC33.7K$3.87MHeld
Rafferty Asset Management, LLC33.5K$3.85MHeld
KEYSTONE INVESTORS PTE LTD33.4K$3.83MHeld
RATIONAL ADVISORS, INC.33.4K$3.83MHeld
Quantinno Capital Management LP33K$3.78MHeld
Creative Planning32.5K$3.73MHeld
STATE OF MICHIGAN RETIREMENT SYSTEM32.1K$3.68MHeld
KLP KAPITALFORVALTNING AS30.4K$3.49MHeld
NORTHWESTERN MUTUAL INVESTMENT MANAGEMENT COMPANY, LLC30.4K$3.49MHeld
Russell Investments Group, Ltd.30K$3.45MHeld
JONES ROAD CAPITAL MANAGEMENT, L.P.30K$3.44MHeld
Amundi29.9K$3.43MHeld
Universal- Beteiligungs- und Servicegesellschaft mbH29.7K$3.41MHeld
Pier Capital, LLC29.1K$3.33MHeld
Expect Equity LLC28.4K$3.26MHeld
Graphene Investments SAS28.4K$3.26MHeld
DYMON ASIA CAPITAL (SINGAPORE) PTE. LTD.28.4K$3.26MHeld
HighTower Advisors, LLC27.7K$3.18MHeld
NORTHWESTERN MUTUAL WEALTH MANAGEMENT CO27.5K$3.16MHeld
OREGON PUBLIC EMPLOYEES RETIREMENT FUND27.1K$3.11MHeld
WEALTH ENHANCEMENT ADVISORY SERVICES, LLC25.6K$3.1MHeld
Erste Asset Management GmbH25.8K$3.01MHeld
Susquehanna Portfolio Strategies, LLC26.1K$3MHeld
BANK OF MONTREAL /CAN/26.1K$2.99MHeld
Assenagon Asset Management S.A.25.8K$2.96MHeld
MERCER GLOBAL ADVISORS INC /ADV25.7K$2.95MHeld
PANAGORA ASSET MANAGEMENT INC25.4K$2.92MHeld
Hennion & Walsh Asset Management, Inc.25.2K$2.89MHeld
LOS ANGELES CAPITAL MANAGEMENT LLC28.5K$2.89MHeld
Ameritas Investment Partners, Inc.25.1K$2.88MHeld
Jefferies Financial Group Inc.23.4K$2.68MHeld
HUNTINGTON NATIONAL BANK23.1K$2.66MHeld
OSAIC HOLDINGS, INC.20.9K$2.4MHeld
Pictet Asset Management Holding SA20.8K$2.38MHeld
VICTORY CAPITAL MANAGEMENT INC20.4K$2.34MHeld
OP Asset Management Ltd20.4K$2.34M$681.7KAdded$424.1K
TEACHER RETIREMENT SYSTEM OF TEXAS20.2K$2.32MHeld
Marathon Partners Equity Management, LLC20K$2.3MHeld
Kovitz Investment Group Partners, LLC20K$2.29MHeld
Freemont Management S.A.19.9K$2.28MHeld
NOMURA HOLDINGS INC19.3K$2.22MHeld
MACKENZIE FINANCIAL CORP18.8K$2.19MHeld
Tidal Investments LLC19K$2.18MHeld
PARADIGM CAPITAL MANAGEMENT INC/NY18K$2.07MHeld
TORONTO DOMINION BANK17.8K$2.04MHeld
ExodusPoint Capital Management, LP17.6K$2.02MHeld
Advisory Services Network, LLC16.9K$1.94MHeld
Atria Investments, Inc16.9K$1.94MHeld
Pacer Advisors, Inc.61.1K$1.9MHeld
Raiffeisen Bank International AG16K$1.86MHeld
Vanguard Personalized Indexing Management, LLC16.2K$1.86MHeld
Curi Capital, LLC16.1K$1.85MHeld
&PARTNERS16.1K$1.85MHeld
Bragg Financial Advisors, Inc16K$1.83MHeld
NVWM, LLC15.9K$1.82MHeld
Dockside LLC15.8K$1.82MHeld
PEAK6 LLC15.8K$1.82MNew
QUADRANT CAPITAL GROUP LLC15.8K$1.81MHeld
JONES FINANCIAL COMPANIES LLLP15.6K$1.79MHeld
Ensign Peak Advisors, Inc15.6K$1.79MHeld
Cetera Investment Advisers15.2K$1.74MHeld
Dayah Capital LLC15K$1.72MHeld
Knights of Columbus Asset Advisors LLC14.8K$1.7MHeld
Trexquant Investment LP14.6K$1.67MHeld
Empowered Funds, LLC13.8K$1.59MHeld
FourThought Financial Partners, LLC13.8K$1.59MHeld
H Squared Management LP13.8K$1.58MHeld
GABELLI FUNDS LLC13.7K$1.57MHeld
COMMONWEALTH EQUITY SERVICES, LLC13.7K$1.57MHeld
Havemeyer Place LP13.6K$1.56MHeld
XPONANCE LLC13.4K$1.54MHeld
Old West Investment Management, LLC12.6K$1.44MHeld
NISA INVESTMENT ADVISORS, LLC12.1K$1.39MHeld
Nilsine Partners, LLC11.9K$1.37MHeld
FARMERS & MERCHANTS TRUST Co OF LONG BEACH11.8K$1.36MHeld
Inspire Investing, LLC11.6K$1.33MHeld
WINTON GROUP Ltd11.1K$1.27MHeld
OPPENHEIMER ASSET MANAGEMENT INC.10.9K$1.25MHeld
Federation des caisses Desjardins du Quebec10.9K$1.25MHeld
ADAGE CAPITAL PARTNERS GP, L.L.C.10.5K$1.2MHeld
VIRGINIA RETIREMENT SYSTEMS ET Al10.2K$1.17MHeld

Who left

Positions as of Q4 2025. 13F filings arrive up to 45 days after quarter-end and omit shorts. Values are quarter-end marks, as filed. Estimated mark is the price effect on shares still held — not realized P&L or investment advice.