13F

Stock

Ati Inc

ATI · held by 669 managers

Reported value

$18.1B

Holders

669

+151 new · −53 exited

Holders’ est. mark

$2.79B

Price effect on 219 books still in the name

Largest holder

$2.39B

BlackRock, Inc.

Notable conviction

Share of each notable manager’s 13F book.

Holder count by quarter

Who holds it

Notable only
InvestorSharesValueEst. markChange
BlackRock, Inc.16.4M$2.39B$450.3MAdded$708.4M
Capital Research Global Investors6.16M$896M$110.8MAdded$481.5M
VANGUARD CAPITAL MANAGEMENT LLC6.12M$890.8MHeld
Capital International Investors5.88M$854.9M$179.5MCut−$1.11B
VANGUARD PORTFOLIO MANAGEMENT LLC5.82M$846.8MHeld
Capital World Investors5.71M$831M$175.4MCut−$13.1M
State Street5.38M$782.7M$165.2MAdded$140.2M
Fidelity5.25M$763.3M$155.8MAdded$180.9M
Invesco Ltd.3.86M$560.8M$103.9MAdded$172.4M
Viking Global3.33M$484.8MNew
GEODE CAPITAL MANAGEMENT, LLC2.95M$428.8M$74.3MAdded$151.1M
Point72 Asset Management, L.P.1.93M$281.1M$23.3MAdded$193.9M
D. E. Shaw & Co., Inc.1.74M$253.5M$53.5MAdded$21.4M
MORGAN STANLEY1.67M$242.7M$39.4MAdded$95.4M
CHARLES SCHWAB INVESTMENT MANAGEMENT INC1.5M$218.5M$45.7MAdded$47.7M
JANE STREET GROUP, LLC1.49M$216.9M$8.51MAdded$185.1M
UBS Group AG1.42M$206.4M$36.6MAdded$69.5M
DIMENSIONAL FUND ADVISORS LP1.37M$198.7M$41.9MCut−$45.3M
BANK OF AMERICA CORP /DE/1.36M$198.5M$24.5MAdded$106.8M
DENDUR CAPITAL LP1.28M$186.6M$39.4MCut−$47.4M
NORTHERN TRUST CORP1.24M$180.2M$36MAdded$45.5M
ARROWSTREET CAPITAL, LIMITED PARTNERSHIP1.2M$175.1M$11.2MAdded$133.4M
Icahn Capital1.22M$174.1M$28.2MAdded$57.1M
Holocene Advisors, LP1.1M$159.7M$32.9MAdded$36.7M
AMERICAN CENTURY COMPANIES INC1.07M$155.5M$32.8MCut−$26.9M
BOWEN HANES & CO INC1.04M$151.7M$151.6MAdded$151.6M
MIRAE ASSET GLOBAL ETFS HOLDINGS Ltd.1.03M$150.2M$30.9MAdded$34.5M
AMERIPRISE FINANCIAL INC998.8K$145.3M$30.7MAdded$2.5M
Fisher Asset Management, LLC924.5K$134.5M$27.9MAdded$30.2M
Bank of New York Mellon Corp869.2K$126.4M$26.7MAdded$21.7M
Qube Research & Technologies Ltd858.8K$124.9M$13.2MAdded$75.6M
Balyasny Asset Management L.P.851.7K$123.9M$12MAdded$79.1M
VANGUARD FIDUCIARY TRUST CO844.4K$122.8MHeld
PNC Financial Services Group, Inc.831.7K$121M$1.41MAdded$115.7M
PRUDENTIAL FINANCIAL INC810K$117.8M$24.5MAdded$26.4M
BARROW HANLEY MEWHINNEY & STRAUSS LLC782.5K$113.8M$24MAdded$15.4M
Artemis Investment Management LLP721.5K$105MNew
FRONTIER CAPITAL MANAGEMENT CO LLC694.4K$101M$21.3MCut−$39.9M
LOOMIS SAYLES & CO L P653.4K$95M$20.1MCut−$12.3M
BNP PARIBAS FINANCIAL MARKETS652K$94.8M$12.1MAdded$49.8M
RAYMOND JAMES FINANCIAL INC638.7K$92.5M$19.1MAdded$145.5K
MILLENNIUM MANAGEMENT LLC619.2K$90.1M$15.6MAdded$31.9M
Assenagon Asset Management S.A.584K$85M$792.6KAdded$82M
Nuveen, LLC578.6K$84.2M$16.8MAdded$21.3M
Freestone Grove Partners LP575.9K$83.8MNew
FEDERATED HERMES, INC.545.5K$79.4M$16.7MAdded$16.7M
Allspring Global Investments Holdings, LLC520.2K$78.7M$16.7MAdded$6.73M
MARSHALL WACE, LLP536.5K$78M$16.5MAdded$5.93M
NEUBERGER BERMAN GROUP LLC494.9K$72M$15.2MCut−$22.4M
BANK OF NOVA SCOTIA467.1K$68M$7.44MAdded$40.2M
ALLIANCEBERNSTEIN L.P.575.5K$66M−$0Added$30.9M
GOLDMAN SACHS GROUP INC447.8K$65.1M$11.1MAdded$23.6M
VAUGHAN NELSON INVESTMENT MANAGEMENT, L.P.382.4K$55.6M$11.6MAdded$12.3M
JPMORGAN CHASE & CO407.4K$55.2M$7.36MAdded$14.5M
ING GROEP NV377.5K$54.9M$6MAdded$32.5M
SCHRODER INVESTMENT MANAGEMENT GROUP402.6K$54.6M$7.78MAdded$1.86M
Square Wave Capital, LLC366.4K$53.3MNew
GAMCO INVESTORS, INC. ET AL361.5K$52.6M$11.1MAdded$8.62M
UBS AM, a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC354.7K$51.6M$10.8MAdded$11.2M
RHUMBLINE ADVISERS354.4K$51.5M$10.7MAdded$11.7M
WELLS FARGO & COMPANY/MN351.1K$51.1M$6.69MAdded$26.1M
JUPITER ASSET MANAGEMENT LTD341.7K$49.7M$3.84MAdded$35.3M
Retirement Systems of Alabama312.3K$45.4M$9.48MAdded$9.99M
Citadel303.3K$44.1M$3.15MAdded$32.3M
PRINCIPAL FINANCIAL GROUP INC303.2K$44.1M$8.97MAdded$10.6M
SEGALL BRYANT & HAMILL, LLC277.4K$40.3M$8.52MAdded$3.43M
Swiss National Bank268.8K$39.1M$8.25MAdded$7.92M
Allianz Asset Management GmbH267.8K$39M$7.45MAdded$11.1M
Jain Global LLC264.5K$38.5M$8.12MCut−$37.9M
KLCM Advisors, Inc.262.8K$38.2M$8.07MAdded$1.2M
Amundi261.2K$38M$916.4KAdded$34.6M
Gotham Asset Management, LLC260.5K$37.9M$8MAdded$4.5M
California Public Employees Retirement System253.8K$36.9M$7.79MAdded$7.69M
BLAIR WILLIAM & CO/IL237K$34.5M$1.35MAdded$29.4M
Capital International, Inc./CA/234.9K$34.2M$7.21MCut−$3.25M
ENVESTNET ASSET MANAGEMENT INC215.8K$31.4M$1.94MAdded$24.1M
Driehaus Capital Management LLC212.7K$30.9M$6.53MAdded$6.49M
Legal & General Group Plc212K$30.8M$6.51MAdded$5.04M
STATE OF WISCONSIN INVESTMENT BOARD202K$29.4M$6.2MAdded$3.12M
HAWK RIDGE CAPITAL MANAGEMENT LP185.6K$27M$5.7MAdded$2.96M
Aventail Capital Group, LP185.3K$27MNew
EMERALD ADVISERS, LLC181.5K$26.4M$5.57MCut−$8.9M
ROYAL BANK OF CANADA171K$24.9M$2.34MAdded$16.1M
CANADA PENSION PLAN INVESTMENT BOARD167.7K$24.4M$5.15MCut−$3.78M
LPL Financial LLC165.6K$24.1M$2.05MAdded$16.4M
PANAGORA ASSET MANAGEMENT INC165.5K$24.1M$780.9KAdded$21.2M
CALIFORNIA STATE TEACHERS RETIREMENT SYSTEM157.8K$22.9M$4MAdded$7.98M
1832 Asset Management L.P.151.5K$22M$4.65MCut−$11.8M
Walleye Capital LLC146.1K$21.3M$3.14MAdded$9.51M
Senator Investment Group LP145K$21.1M$4.45MCut−$16.2M
NOMURA ASSET MANAGEMENT INTERNATIONAL INC.117.1K$17M$3.59MCut−$10.5M
Sanctuary Advisors, LLC115.6K$16.8M$3.55MAdded$1.29M
Russell Investments Group, Ltd.109.2K$15.9M$921.5KAdded$12.4M
DEUTSCHE BANK AG\107.9K$15.7M$3.31MAdded$2.94M
CIBC Bancorp USA Inc.106.9K$15.6MHeld
VANGUARD ASSET MANAGEMENT, Ltd104.8K$15.2MHeld
GUGGENHEIM CAPITAL LLC104.4K$15.2M$2.65MAdded$5.26M
Tidal Investments LLC103.7K$15.1M$584.1KAdded$12.9M
FACT Capital, LP103.1K$15M$3.17MAdded$3.17M
Advisors Asset Management, Inc.102.5K$14.9M$2.99MAdded$3.74M
SIGNATURE ESTATE & INVESTMENT ADVISORS LLC100K$14.5M$3.07MCut−$2.02M
BARCLAYS PLC99.3K$14.4M$3.05MCut−$1.57M
Voleon Capital Management LP98.9K$14.4M$102.2KAdded$14M
STATE BOARD OF ADMINISTRATION OF FLORIDA RETIREMENT SYSTEM98.5K$14.3M$3.02MAdded$2.83M
ROYCE & ASSOCIATES LP98.1K$14.3M$3.01MCut−$823.2K
EMERALD MUTUAL FUND ADVISERS TRUST93.8K$13.7M$2.88MCut−$7.41M
FIRST TRUST ADVISORS LP93.1K$13.5M$2.49MAdded$4.22M
STIFEL FINANCIAL CORP92.6K$13.5M$2.84MAdded$2.27M
Mountaineer Partners Management, LLC91.8K$13.4M$2.82MCut−$1.44M
TRAN CAPITAL MANAGEMENT, L.P.90.9K$13.2M$2.79MCut−$27.2M
SEI INVESTMENTS CO90K$13.1M$2.76MCut−$625.7K
Woodline Partners LP89.4K$13M$2.74MCut−$41.1M
TUDOR INVESTMENT CORP ET AL88.9K$12.9MNew
ExodusPoint Capital Management, LP88.2K$12.8M$541.4KAdded$10.8M
HEALTHCARE OF ONTARIO PENSION PLAN TRUST FUND87K$12.7M$1.64MAdded$6.53M
Epoch Investment Partners, Inc.85.6K$12.5M$2.63MAdded$2.09M
SUSQUEHANNA FUNDAMENTAL INVESTMENTS, LLC82.8K$12M$2.54MAdded$2.54M
TEMA ETFS LLC81.3K$11.8M$2.4MAdded$2.86M
Rokos Capital Management LLP80.3K$11.7MNew
NORTHWESTERN MUTUAL WEALTH MANAGEMENT CO79.3K$11.5M$845.3KAdded$8.38M
Channing Capital Management, LLC78K$11.3M$2.39MCut−$740.8K
WELLINGTON MANAGEMENT GROUP LLP75.7K$11M$2.33MCut−$32.3M
CITIGROUP INC75.6K$11M$2.32MAdded$219.4K
Anomaly Capital Management, LP74.8K$10.9MNew
Mariner, LLC72.5K$10.5M$1.65MAdded$4.33M
Mengis Capital Management, Inc.70.7K$10.3M$2.17MAdded$1.87M
MANUFACTURERS LIFE INSURANCE COMPANY, THE69.6K$10.1M$2.14MCut−$637.7K
GLOBEFLEX CAPITAL L P69.2K$10.1M$2.12MAdded$1.79M
Engineers Gate Manager LP68.9K$10M$1.15MAdded$5.73M
MetLife Investment Management, LLC66.8K$9.72M$2.04MAdded$2.1M
CREDIT AGRICOLE S A66K$9.6M$1.2MAdded$5.13M
NEW YORK STATE COMMON RETIREMENT FUND63.4K$9.23M$1.95MAdded$1.78M
Brevan Howard Capital Management LP62.7K$9.12M$258KAdded$8.16M
XTX Topco Ltd61.2K$8.91M$93.2KAdded$8.56M
JANUS HENDERSON GROUP PLC60.5K$8.8M$1.86MAdded$1.86M
Man Group plc59.5K$8.66M$1.83MCut−$6.45M
INTECH INVESTMENT MANAGEMENT LLC59.4K$8.64M$154.7KAdded$8.06M
WORLDQUANT MILLENNIUM ADVISORS LLC58K$8.44M$1.78MCut−$2.14M
Police & Firemen's Retirement System of New Jersey57.7K$8.39M$1.76MAdded$1.81M
State of Tennessee, Department of Treasury56.9K$8.28M$1.43MAdded$997.2K
Empowered Funds, LLC56K$8.14M$424.7KAdded$6.55M
Vanguard Global Advisers, LLC55.7K$8.1MHeld
S Squared Technology, LLC55K$8M$1.69MCut−$1.18M
Soros Fund Management52.8K$7.68MNew
Zurcher Kantonalbank (Zurich Cantonalbank)52.3K$7.6M$1.35MAdded$2.56M
MUTUAL OF AMERICA CAPITAL MANAGEMENT LLC52.1K$7.57M$1.6MAdded$1.08M
IEQ CAPITAL, LLC51.7K$7.52M$1.59MAdded$33.7K
NORDEA INVESTMENT MANAGEMENT AB50.5K$7.17M$1.32MAdded$1.06M
FIFTH THIRD BANCORP48.9K$7.11M$41.6KAdded$6.96M
JONES FINANCIAL COMPANIES LLLP49.7K$6.98M$401KAdded$5.19M
VOYA INVESTMENT MANAGEMENT LLC47.3K$6.87M$1.28MAdded$2.1M
State of New Jersey Common Pension Fund D46.9K$6.82M$1.44MAdded$1.44M
Waverly Advisors, LLC46.1K$6.7M$1.41MCut−$164.5K
TD Asset Management Inc45.6K$6.63M$1.4MAdded$1.15M
Capital Group Private Client Services, Inc.44.3K$6.45M$1.36MCut−$821K
RPg Family Wealth Advisory, LLC44.1K$6.42MNew
Horizon Investments, LLC43.2K$6.29M$1.33MCut−$84.9K
Pathstone Holdings, LLC43.1K$6.28M$1.32MAdded$1.07M
Qsemble Capital Management, LP42K$6.11M$248.3KAdded$5.18M
1492 Capital Management LLC41.9K$6.09M$1.29MAdded$1.24M
Asset Management One Co., Ltd.42.2K$6.09M$1.17MAdded$1.14M
Cerity Partners LLC41.6K$6.06M$1.04MAdded$2.16M
Quadrature Capital Ltd41.6K$6.05MNew
YOUSIF CAPITAL MANAGEMENT, LLC40.5K$5.89M$897.8KAdded$646.3K
Quantinno Capital Management LP40.5K$5.89M$1.01MAdded$2.1M
Aquatic Capital Management LLC40.4K$5.87MNew
Covea Finance40.2K$5.85M$1.23MAdded$178.3K
PUBLIC EMPLOYEES RETIREMENT SYSTEM OF OHIO39.9K$5.81M$1.23MAdded$1.06M
Creative Planning39.6K$5.77M$996.7KAdded$2.04M
Louisiana State Employees Retirement System39.4K$5.73M$1.15MAdded$1.42M
NISA INVESTMENT ADVISORS, LLC39.2K$5.71M$371.5KAdded$4.32M
Verition Fund Management LLC39.1K$5.69M$71.1KAdded$5.43M
ARIZONA STATE RETIREMENT SYSTEM37.3K$5.43M$1.15MAdded$1.02M
Rafferty Asset Management, LLC36.5K$5.31M$1.03MAdded$1.46M
CWM, LLC36.5K$5.3M$3.97MAdded$5.3M
H Squared Management LP36.2K$5.27M$423.7KAdded$3.68M
SUSQUEHANNA INTERNATIONAL GROUP, LLP35.3K$5.14M$188.4KAdded$4.44M
Focus Partners Advisor Solutions, LLC35.2K$5.12M$1.08MAdded$967.9K
OCCUDO QUANTITATIVE STRATEGIES LP32.8K$5.1MNew
FARMERS & MERCHANTS INVESTMENTS INC34.7K$5.05M$1.07MAdded$218.2K
Vanguard Investments Australia, Ltd.34.1K$4.95MHeld
HighTower Advisors, LLC34.1K$4.95M$851.1KAdded$1.77M
COMMONWEALTH OF PENNSYLVANIA PUBLIC SCHOOL EMPLS RETRMT SYS34K$4.95M$1.04MAdded$1.05M
MOORE CAPITAL MANAGEMENT, LP33.9K$4.93MNew
Spire Wealth Management33.6K$4.89MNew
New Age Alpha Advisors, LLC33.3K$4.84M$1.02MAdded$934.9K
Universal- Beteiligungs- und Servicegesellschaft mbH32.9K$4.78M$909.1KAdded$1.37M
STATE OF MICHIGAN RETIREMENT SYSTEM32.7K$4.76M$985.5KAdded$1.07M
Tribune Investment Group LP32K$4.65M$982.4KCut−$1.89M
Y-Intercept (Hong Kong) Ltd31.6K$4.6MNew
Hennion & Walsh Asset Management, Inc.31.2K$4.54M$774.1KAdded$1.65M
MERCER GLOBAL ADVISORS INC /ADV31.1K$4.52M$789.8KAdded$1.57M
NORTHWESTERN MUTUAL INVESTMENT MANAGEMENT COMPANY, LLC30.4K$4.43M$933.2KAdded$938.9K
KLP KAPITALFORVALTNING AS30.4K$4.42M$933.3KAdded$933.3K
VICTORY CAPITAL MANAGEMENT INC30.2K$4.4M$627.2KAdded$2.05M
Ameritas Investment Partners, Inc.29.9K$4.35M$771.5KAdded$1.46M
Register Financial Advisors LLC29.9K$4.34M$916.5KAdded$55.8K
WEALTH ENHANCEMENT ADVISORY SERVICES, LLC31.8K$4.3M$369.2KAdded$1.2M
Envestnet Portfolio Solutions, Inc.29K$4.21M$889.4KCut−$121.4K
COOKSON PEIRCE & CO INC28.9K$4.21M$888.7KAdded$140K
Pier Capital, LLC28.7K$4.18M$881.7KAdded$843.7K
HSBC HOLDINGS PLC28.8K$4.16M$830KCut−$6.34M
PINEBRIDGE INVESTMENTS LLC28.3K$4.11MNew
Candelo Capital Management LP28.1K$4.09M$864.1KCut−$3.18M
OREGON PUBLIC EMPLOYEES RETIREMENT FUND27.8K$4.05M$831.8KAdded$939.7K
Hudson Bay Capital Management LP27.4K$3.99M$841.1KCut−$6.56M
Freemont Management S.A.27.3K$3.97M$610.9KAdded$1.69M
Cetera Investment Advisers26.7K$3.88M$466.1KAdded$2.14M
Nilsine Partners, LLC25K$3.84M$461.6KAdded$2.47M
Susquehanna Portfolio Strategies, LLC26.1K$3.8M$802.3KAdded$802.3K
&PARTNERS25.9K$3.8M$518.3KAdded$1.95M
Expect Equity LLC25.9K$3.77M$796.5KAdded$513.6K
CAPITAL FUND MANAGEMENT S.A.25.8K$3.75M$790.8KCut−$3.45M
MML INVESTORS SERVICES, LLC25.3K$3.69M$220.7KAdded$2.86M
CAPSTONE INVESTMENT ADVISORS, LLC25K$3.64M$196.6KAdded$2.9M
LAZARD ASSET MANAGEMENT LLC24.1K$3.51M$194KAdded$2.78M
Erste Asset Management GmbH25.8K$3.49M$486.5KAdded$486.5K
Mivtachim The Workers Social Insurance Fund Ltd. (Under Special Management)24K$3.49MNew
BANK OF MONTREAL /CAN/23.8K$3.47M$731.8KAdded$473.6K
Schonfeld Strategic Advisors LLC23.5K$3.42M$722.8KCut−$8.87M
DYMON ASIA CAPITAL (SINGAPORE) PTE. LTD.23.1K$3.36M$709.8KAdded$103.9K
OP Asset Management Ltd23K$3.34M$626.2KAdded$1M
Squarepoint Ops LLC22.8K$3.32M$220.3KAdded$2.5M
HUNTINGTON NATIONAL BANK22.7K$3.3M$696.9KAdded$645.7K
Pictet Asset Management Holding SA22.1K$3.22M$637.1KAdded$839.1K
Bridgewater21.9K$3.19MNew
AXQ CAPITAL, LP21.7K$3.16MNew
Quantbot Technologies LP21.6K$3.15M$664.1KCut−$1.18M
TEACHER RETIREMENT SYSTEM OF TEXAS21.6K$3.14M$620.6KAdded$815.6K
Ensign Peak Advisors, Inc20.8K$3.03M$477.8KAdded$1.24M
DNB Asset Management AS20.8K$3.02M$60.2KAdded$2.8M
Federation des caisses Desjardins du Quebec19.9K$2.9M$333.4KAdded$1.65M
Graphene Investments SAS19.9K$2.89M$610.9KCut−$364.5K
Steward Partners Investment Advisory, LLC19.8K$2.89M$147.1KAdded$2.34M
LEGACY CAPITAL WEALTH MANAGEMENT, LLC19.3K$2.8MNew
Entropy Technologies, LP19K$2.77MNew
NATIXIS18.3K$2.66M$561.9KCut−$27.6M
PARADIGM CAPITAL MANAGEMENT INC/NY18K$2.62M$552.6KAdded$552.6K
PIER 88 INVESTMENT PARTNERS LLC18K$2.62M$552.6KCut−$2.08M
BRIDGEWAY CAPITAL MANAGEMENT, LLC17.9K$2.6MNew
TWO SIGMA INVESTMENTS, LP17.8K$2.59M$60.4KAdded$2.36M
Advisory Services Network, LLC17.7K$2.57M$520KAdded$630.1K
Marathon Partners Equity Management, LLC17.5K$2.55M$537.3KAdded$250.3K
XPONANCE LLC17.4K$2.53M$412KAdded$986.7K
Sciencast Management LP17.3K$2.52M$265.4KAdded$1.53M
Knights of Columbus Asset Advisors LLC16.6K$2.42M$454.2KAdded$721.7K
Vanguard Personalized Indexing Management, LLC16.5K$2.4M$496.3KAdded$547.1K
Donoghue Forlines LLC16.2K$2.36MNew
FRANKLIN RESOURCES INC16.1K$2.35M$154.2KAdded$1.77M
Curi Capital, LLC16.1K$2.35M$494.5KAdded$497.1K

Who left

Positions as of Q1 2026. 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.