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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 2026 vs. Q1 2026

How the institutions holding Ati Inc changed between Q1 2026 and Q2 2026.

All holders in Q2 2026All holders in Q1 2026

13F holders of ATI: Q1 2026 compared with Q2 2026
MeasureQ1 2026Of which not filed for Q2 2026Q2 2026Change
Holders6787795+124
Shares127.4M116.4K127.6M+300.1K (+0.2%)
Value$18.5B$16.9M$25.1B+$6.58B (+35.6%)

7 institutions that held it in Q1 2026 haven't filed for Q2 2026 yet. Not filing isn't selling, so the changes leave them out.

New holders (178)

Institutions that held Ati Inc at the end of Q2 2026 but not at the end of Q1 2026.

Showing the largest 100 of 178 by value.

Institutions new to ATI in Q2 2026
InstitutionSharesValue% of portfolio
Norges Bank1,739,884$342.9M0.03%
Polen Capital Management LLC819,236$161.5M1.39%
DSM Capital Partners LLC441,048$86.9M1.49%
Clearbridge Investments, LLC280,386$55.3M0.05%
Yaupon Capital Management LP180,204$35.5M1.18%
Oribel Capital Management, LP96,500$19.0M1.58%
Keystone Investors Pte Ltd90,612$17.9M0.96%
Nearwater Capital Markets, Ltd80,000$15.8M0.27%
Premier Fund Managers Ltd71,928$14.2M1.29%
Agf Management Ltd70,510$13.9M0.05%
Trexquant Investment LP69,839$13.8M0.09%
Jupiter Topco LLC60,508$11.9M0.00%
SG Capital Management LLC58,279$11.5M1.04%
Jacobs Levy Equity Management, Inc56,150$11.1M0.04%
Glenmede Trust Co NA48,299$9.52M0.04%
Jennison Associates LLC46,197$9.11M0.01%
Mackenzie Financial Corp34,992$6.90M0.01%
KR Capital LP32,325$6.37M0.63%
Concentric Capital Strategies, LP32,008$6.31M0.39%
Aware Super Pty Ltd as trustee of Aware Super28,891$5.69M0.08%
Van Eck Associates Corp27,953$5.51M0.00%
USS Investment Management Ltd22,800$4.49M0.02%
Taikang Asset Management (Hong Kong) Co Ltd22,005$4.34M0.39%
Connor, Clark & Lunn Investment Management Ltd.21,561$4.25M0.01%
Dorsey Wright & Associates18,605$3.67M0.62%
Florida Financial Advisors, LLC17,295$3.41M0.58%
LMR Partners LLP15,998$3.15M0.02%
Steel Peak Wealth Management LLC15,540$3.06M0.08%
Capital International Ltd15,128$2.98M0.10%
Graham Capital Management, L.P.14,742$2.91M0.08%
Sendero Wealth Management, LLC13,811$2.72M0.27%
Ambassador Advisors, LLC13,653$2.69M0.33%
DZ BANK AG Deutsche Zentral Genossenschafts Bank, Frankfurt am Main12,199$2.40M0.00%
Williamson Legacy Group, LLC11,077$2.18M1.08%
Walleye Trading LLC9,667$1.91M0.03%
Dynamic Technology Lab Private Ltd9,130$1.80M0.40%
Robeco Institutional Asset Management B.V.8,606$1.70M0.00%
Ritholtz Wealth Management8,455$1.67M0.02%
SummitTX Capital, L.P.7,978$1.57M0.04%
Landscape Capital Management, L.L.C.7,649$1.51M0.10%
Principal Securities, Inc.6,215$1.22M0.01%
Simplex Trading, LLC6,203$1.22M0.03%
Ostrum Asset Management6,065$1.20M0.06%
Magnetar Financial LLC5,931$1.17M0.01%
Capula Management Ltd5,600$1.10M0.00%
Castleark Management LLC4,830$952.0K0.03%
AlphaGrep UK Ltd4,725$931.3K0.28%
Global Retirement Partners, LLC3,989$786.2K0.01%
Nykredit A/S3,855$759.8K0.00%
Caisse des Depots Et Consignations2,953$582.0K0.01%
National Bank of Canada2,925$577.6K0.00%
Thurston, Springer, Miller, Herd & Titak, Inc.2,886$568.8K0.21%
Portside Wealth Group, LLC2,787$549.3K0.06%
ZWJ Investment Counsel Inc2,621$516.6K0.02%
Bannerstone Capital Management, LLC2,550$502.6K0.42%
Himension Fund2,502$493.1K0.03%
Cannon Global Investment Management, LLC2,500$492.8K1.48%
Dynasty Wealth Management, LLC2,492$491.2K0.00%
AlphaStar Capital Management, LLC2,338$460.8K0.03%
Highland Capital Management, LLC2,155$424.8K0.02%
LVW Advisors, LLC2,142$422.2K0.04%
GK Wealth Management LLC2,115$416.9K0.25%
Blackstone Group Inc.2,036$401.3K0.00%
Capital Group Investment Management Pte. Ltd.2,030$400.1K0.06%
Mindset Wealth Management, LLC2,023$398.7K0.08%
Frec Markets, Inc.2,012$396.6K0.04%
New Paradigm Capital Management, LLC2,000$394.2K0.84%
Diversify Advisory Services, LLC2,014$388.0K0.01%
Diversify Wealth Management, LLC2,014$388.0K0.01%
Anchyra Partners LLC1,889$372.3K0.09%
Centiva Capital, LP1,858$366.2K0.01%
Mission Wealth Management, LP1,856$365.8K0.00%
Creative Capital Management Investments LLC1,839$362.5K0.08%
Cornerstone Wealth Management, LLC1,833$361.3K0.02%
Caisse de Depot Et Placement du Quebec1,800$354.8K0.00%
Kathmere Capital Management, LLC1,769$348.7K0.02%
Intellectus Partners, LLC1,758$346.5K0.06%
Formidable Asset Management, LLC1,746$344.1K0.05%
Ameritas Advisory Services, LLC1,658$326.8K0.01%
Pallas Capital Advisors LLC1,617$318.7K0.01%
Great Valley Advisor Group, Inc.1,593$313.8K0.00%
Alpine Global Management, LLC1,561$307.7K0.05%
Personal Cfo Solutions, LLC1,516$298.8K0.04%
Ascent Group, LLC1,514$298.4K0.01%
Alps Advisors Inc1,503$296.2K0.00%
Savvy Advisors, Inc.1,480$291.8K0.01%
Transcend Wealth Collective, LLC1,465$288.8K0.02%
Axxcess Wealth Management, LLC1,460$287.8K0.00%
Empirical Financial Services, LLC d.b.a. Empirical Wealth Management1,399$275.7K0.00%
Meeder Advisory Services, Inc.1,385$273.0K0.01%
Kestra Investment Management, LLC1,365$269.0K0.01%
Norden Group LLC1,355$267.1K0.02%
Guyasuta Investment Advisors Inc1,350$266.1K0.01%
RiverFront Investment Group, LLC1,322$260.6K0.00%
Sage Rhino Capital LLC1,307$257.6K0.04%
Cigna Investments Inc1,296$255.0K0.03%
44 Wealth Management LLC1,288$253.9K0.08%
Greenleaf Trust1,286$253.5K0.00%
Bryant Woods Investment Advisors, LLC1,284$253.1K0.07%
Ironwood Investment Counsel, LLC1,283$252.9K0.03%

Sold out (54)

Institutions that held Ati Inc at the end of Q1 2026 and filed for Q2 2026 without it.

Institutions that sold out of ATI in Q2 2026
InstitutionShares, Q1 2026Value, Q1 2026
Nomura Asset Management International Inc.117,121$17.0M
Emerald Mutual Fund Advisers Trust93,847$13.7M
Woodline Partners LP89,389$13.0M
Anomaly Capital Management, LP74,830$10.9M
Qsemble Capital Management, LP42,008$6.11M
Freemont Management S.A.27,300$3.97M
Sciencast Management LP17,329$2.52M
Donoghue Forlines LLC16,225$2.36M
Aigen Investment Management, LP14,063$2.05M
Jefferies Financial Group Inc.11,571$1.68M
Adage Capital Partners GP, L.L.C.10,468$1.52M
Dayah Capital LLC9,842$1.43M
PEAK6 LLC9,208$1.34M
Integrated Quantitative Investments LLC8,735$1.27M
Friedenthal Financial6,741$980.5K
Fairvoy Private Wealth, LLC6,043$879.0K
West Michigan Advisors, LLC5,023$730.6K
Aristeia Capital LLC3,292$478.9K
Cynosure Management, LLC2,749$399.9K
Scientech Research LLC2,215$322.2K
Kentucky Retirement Systems8,915$318.0K
Carnegie Capital Asset Management, LLC2,136$310.7K
Sig Brokerage, LP2,102$305.8K
FORA Capital, LLC1,768$257.2K
Annex Advisory Services, LLC1,763$256.4K
DV Trading LLC1,600$232.7K
Advisor OS, LLC1,595$232.0K
Inceptionr LLC1,546$224.9K
Evolve Private Wealth, LLC1,481$215.4K
Prelude Capital Management, LLC1,427$207.6K
HORAN Wealth, LLC1,400$203.6K
Optiver Holding B.V.1,226$178.3K
CFG Wealth Management Services, Inc.720$104.7K
Clear Street Markets LLC413$60.1K
Aster Capital Management (DIFC) Ltd866$45.1K
RWM Asset Management, LLC265$38.5K
Ancora Advisors, LLC178$25.9K
Twin Peaks Wealth Advisors, LLC131$19.1K
First Command Advisory Services, Inc.110$16.0K
Chilton Capital Management LLC109$15.9K
Wealth Preservation Advisors, LLC101$14.7K
Wall Street Financial Group, Inc.87$12.7K
Longview Financial Advisors, Inc.48$6.98K
Elequin Capital LP46$6.69K
Golden State Equity Partners42$6.11K
Legacy Wealth Managment, LLC32$4.66K
Annis Gardner Whiting Capital Advisors, LLC24$3.49K
Clarity Asset Management, Inc.11$1.58K
Vermillion Wealth Management, Inc.10$1.46K
Harvest Fund Management Co., Ltd6$1.00K
Intentional Wealth Strategies, LLC4$582
Murphy & Mullick Capital Management Corp3$436
Curio Wealth, LLC3$436
Kilter Group LLC1$146

Not filed for Q2 2026 yet (7)

Institutions that held Ati Inc at the end of Q1 2026 and haven't filed a 13F for Q2 2026. Not filing isn't selling, so they aren't counted as sold out.

Institutions holding ATI in Q1 2026 that haven't filed for Q2 2026
InstitutionShares, Q1 2026Value, Q1 2026
Janus Henderson Group PLC60,508$8.80M
CWM, LLC36,466$5.30M
Skopos Labs, Inc.10,363$1.51M
Journey Strategic Wealth LLC4,999$727.2K
U.S. Capital Wealth Advisors, LLC3,119$453.7K
USA Financial Portformulas Corp992$144.3K
Sunbelt Securities, Inc.2$291