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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.

Q2 2025 vs. Q1 2025

How the institutions holding Ati Inc changed between Q1 2025 and Q2 2025.

All holders in Q2 2025All holders in Q1 2025

13F holders of ATI: Q1 2025 compared with Q2 2025
MeasureQ1 2025Of which not filed for Q2 2025Q2 2025Change
Holders4265473+52
Shares134.1M43.4K134.0M−2.19K (0.0%)
Value$6.97B$2.26M$11.6B+$4.59B (+65.9%)

5 institutions that held it in Q1 2025 haven't filed for Q2 2025 yet. Not filing isn't selling, so the changes leave them out.

New holders (112)

Institutions that held Ati Inc at the end of Q2 2025 but not at the end of Q1 2025.

Showing the largest 100 of 112 by value.

Institutions new to ATI in Q2 2025
InstitutionSharesValue% of portfolio
Palestra Capital Management LLC1,062,298$91.7M2.72%
Fuller & Thaler Asset Management, Inc.911,108$78.7M0.29%
Voloridge Investment Management, LLC822,696$71.0M0.26%
Castle Hook Partners LP744,648$64.3M0.95%
Holocene Advisors, LP604,781$52.2M0.13%
LTS One Management LP305,000$26.3M6.36%
Bank of Nova Scotia238,237$20.6M0.04%
Kinetic Partners Management, LP235,900$20.4M1.11%
ING Groep NV192,400$16.6M0.10%
Hawk Ridge Capital Management LP191,300$16.5M0.69%
Yaupon Capital Management LP135,246$11.7M0.78%
Keystone Investors Pte Ltd116,839$10.1M2.08%
Scopus Asset Management, L.P.98,466$8.50M0.23%
Concentric Capital Strategies, LP90,099$7.78M0.44%
Connor, Clark & Lunn Investment Management Ltd.81,159$7.01M0.02%
Candelo Capital Management LP80,273$6.93M6.64%
EAM Global Investors LLC62,549$5.40M1.40%
EAM Investors, LLC60,633$5.24M0.79%
National Bank of Canada55,000$4.75M0.01%
Point72 Hong Kong Ltd46,482$4.01M0.28%
Estate Counselors, LLC43,790$3.78M0.37%
Albar Capital Partners LLP42,859$3.70M0.63%
Rafferty Asset Management, LLC39,022$3.37M0.01%
FORA Capital, LLC38,127$3.29M0.37%
Los Angeles Capital Management LLC35,789$3.09M0.01%
Capstone Investment Advisors, LLC31,000$2.68M0.02%
Quantbot Technologies LP22,127$1.91M0.05%
Oak Thistle LLC21,327$1.84M0.27%
Campbell & CO Investment Adviser LLC19,944$1.72M0.11%
Quadrature Capital Ltd19,219$1.66M0.03%
Penserra Capital Management LLC18,685$1.61M0.02%
Virtu Financial LLC18,107$1.56M0.08%
Sciencast Management LP16,596$1.43M0.30%
Sheets Smith Investment Management15,727$1.36M1.19%
Assenagon Asset Management S.A.14,513$1.25M0.00%
Aigen Investment Management, LP14,119$1.22M0.17%
Occudo Quantitative Strategies LP12,771$1.10M0.12%
Scientech Research LLC12,543$1.08M0.26%
Madison Asset Management, LLC12,500$1.08M0.01%
RMB Capital Management, LLC11,816$1.02M0.02%
Thoroughbred Financial Services, LLC11,673$1.01M0.07%
Friedenthal Financial10,509$907.3K0.50%
Cambridge Investment Research Advisors, Inc.8,893$768.0K0.00%
Numerai GP LLC7,609$657.0K0.09%
LMR Partners LLP7,409$639.7K0.01%
American Trust6,631$572.5K0.05%
Sheets Smith Wealth Management6,526$563.5K0.07%
Eisler Capital Management Ltd.6,134$529.9K0.02%
Peak Financial Advisors LLC5,735$495.2K0.25%
Kestra Private Wealth Services, LLC5,365$463.2K0.01%
Financiere des Professionnels - Fonds d,investissement inc.5,036$434.8K0.03%
Hennion & Walsh Asset Management, Inc.4,668$403.0K0.02%
Toroso Investments, LLC4,506$389.0K0.00%
Mayflower Financial Advisors, LLC4,051$349.8K0.05%
Counterpoint Mutual Funds LLC3,915$338.0K0.03%
Cetera Investment Advisers3,758$324.5K0.00%
M&T Bank Corp3,681$317.4K0.00%
Swiss Life Asset Management Ltd3,651$315.2K0.00%
Graham Capital Management, L.P.3,645$314.7K0.01%
Blair William & Co3,587$309.7K0.00%
Oarsman Capital, Inc.3,570$308.2K0.05%
Savant Capital, LLC3,492$301.5K0.00%
Ballentine Partners, LLC3,461$298.8K0.00%
Darden Wealth Group Inc3,400$293.6K0.18%
Private Advisor Group, LLC3,390$292.7K0.00%
Meiji Yasuda Asset Management Co Ltd.3,383$292.1K0.01%
Apollon Wealth Management, LLC3,290$284.1K0.01%
Profund Advisors LLC3,268$282.2K0.01%
Pensionmark Financial Group, LLC3,140$271.1K0.01%
Accel Wealth Management2,994$258.5K0.09%
Avantax Advisory Services, Inc.2,944$254.2K0.00%
Semanteon Capital Management, LP2,874$248.1K0.37%
111 Capital2,858$246.8K0.04%
Keystone Financial Group2,850$246.1K0.02%
Juncture Wealth Strategies, LLC2,784$240.4K0.09%
Parsonex Advisory Services, Inc.2,651$228.9K0.19%
Revisor Wealth Management LLC2,521$222.0K0.08%
Motiv8 Investments LLC2,550$220.2K0.13%
Old National Bancorp2,516$217.2K0.00%
Associated Banc-Corp2,500$215.8K0.01%
IMS Capital Management2,500$215.8K0.10%
DDFG, Inc2,498$215.7K0.05%
Johnson Investment Counsel Inc2,474$213.6K0.00%
Syon Capital LLC2,462$212.6K0.01%
Peapack Gladstone Financial Corp2,430$210.0K0.00%
Cape Investment Advisory, Inc.1,518$131.1K0.05%
Danske Bank A/S1,500$129.5K0.00%
BNP PARIBAS ASSET MANAGEMENT Holding S.A.1,473$127.0K0.00%
Ameritas Advisory Services, LLC1,369$118.2K0.01%
GWM Advisors LLC863$74.5K0.00%
First Horizon Advisors, Inc.163$14.1K0.00%
Global Retirement Partners, LLC162$14.0K0.00%
Twin Peaks Wealth Advisors, LLC154$11.6K0.00%
FNY Investment Advisers, LLC100$8.00K0.00%
Bullock Wealth Management Group92$7.72K0.00%
New England Capital Financial Advisors LLC62$5.35K0.00%
GeoWealth Management, LLC35$3.02K0.00%
Stone House Investment Management, LLC25$2.16K0.00%
Ronald Blue Trust, Inc.23$1.99K0.00%
Annis Gardner Whiting Capital Advisors, LLC23$1.99K0.00%

Sold out (60)

Institutions that held Ati Inc at the end of Q1 2025 and filed for Q2 2025 without it.

Institutions that sold out of ATI in Q2 2025
InstitutionShares, Q1 2025Value, Q1 2025
Freestone Grove Partners LP543,915$28.3M
British Columbia Investment Management Corp358,992$18.7M
Bridgewater Associates, LP318,044$16.5M
Diameter Capital Partners LP270,000$14.0M
Alta Fox Capital Management, LLC216,300$11.3M
Corebridge Financial, Inc.157,425$8.19M
Alberta Investment Management Corp105,393$5.48M
Appian Way Asset Management LP91,765$4.77M
Jacobs Levy Equity Management, Inc81,496$4.24M
Shay Capital LLC76,400$3.98M
Susquehanna Fundamental Investments, LLC68,231$3.55M
Y-Intercept (Hong Kong) Ltd64,556$3.36M
Moody Aldrich Partners LLC60,853$3.17M
Magnetar Financial LLC42,401$2.21M
EFG Asset Management (North America) Corp.35,072$1.83M
Versor Investments LP31,392$1.63M
Castleark Management LLC30,700$1.60M
Qsemble Capital Management, LP26,455$1.38M
Cinctive Capital Management LP24,435$1.27M
Kennedy Capital Management, Inc.23,830$1.24M
Ionic Capital Management LLC18,200$946.9K
CenterBook Partners LP17,791$925.7K
Gsa Capital Partners LLP16,350$851.0K
Point72 (DIFC) Ltd14,372$747.8K
DRW Securities, LLC13,100$681.6K
Simplex Trading, LLC11,488$597.0K
Fox Run Management, L.L.C.10,363$539.2K
EntryPoint Capital, LLC9,985$519.5K
Squarepoint Ops LLC9,133$475.2K
United Services Automobile Association9,025$459.9K
SummitTX Capital, L.P.8,600$447.5K
Teza Capital Management LLC8,073$420.0K
Bayesian Capital Management, LP6,816$354.6K
Dynamic Technology Lab Private Ltd6,232$324.0K
Ieq Capital, LLC6,001$312.2K
PEAK6 LLC5,872$305.5K
Maven Securities LTD5,848$304.3K
Walleye Capital LLC5,821$302.9K
Marex Group plc5,700$296.6K
PharVision Advisers, LLC5,563$289.4K
Petrus Trust Company, LTA5,339$277.8K
Hancock Whitney Corp5,312$276.4K
Twin Tree Management, LP5,309$276.2K
Dover Advisors, LLC4,706$244.9K
Ellevest, Inc.4,199$218.5K
Aster Capital Management (DIFC) Ltd2,634$153.2K
Coldstream Capital Management Inc1,160$60.4K
Headlands Technologies LLC896$46.6K
Richards, Merrill & Peterson, Inc.603$31.4K
J.Safra Asset Management Corp253$13.2K
Motco150$7.80K
Boston Private Wealth LLC143$7.44K
High Note Wealth, LLC101$5.25K
Trust Co of Vermont35$1.82K
TD Private Client Wealth LLC27$1.41K
Capital A Wealth Management, LLC25$1.30K
Global Financial Private Client, LLC16$832
Atlantic Trust, LLC13$677
Creative Financial Designs Inc12$624
Mather Group, LLC.1$52

Not filed for Q2 2025 yet (5)

Institutions that held Ati Inc at the end of Q1 2025 and haven't filed a 13F for Q2 2025. Not filing isn't selling, so they aren't counted as sold out.

Institutions holding ATI in Q1 2025 that haven't filed for Q2 2025
InstitutionShares, Q1 2025Value, Q1 2025
Credit Agricole S A34,186$1.78M
Glenmede Trust Co NA8,064$419.6K
Financial Network Wealth Management LLC693$36.0K
Lindbrook Capital, LLC413$21.5K
Nova Wealth Management, Inc.19$989