ATI INC (ATI) Institutional Ownership Changes & 13F Activity

ATI INC (ATI). Institutional ownership data tracks hedge funds, asset managers, and other institutional investors based on recent SEC Form 13F filings. This page analyzes institutional buying and selling activity, new holdings, and sold-out positions among tracked filers. Notable filers include Viking Global Investors, Sequoia Financial Advisors, ARK Invest, Renaissance Technologies LLC, and Alta Fox Capital Management.

Portfolio quarterNameTypeQuantityRemainingReported stock balance
Q3 2023Sequoia Financial AdvisorsBuy6455,648$232,416
Q3 2023ARK InvestSell-5314,201$172,871
Q2 2023Sequoia Financial AdvisorsSell-167,5875,003$221,283
Q2 2023Renaissance Technologies LLCSell-97,892185,500$8,205
Q2 2023ARK InvestSell-7914,732$209,296
Q1 2023Renaissance Technologies LLCBuy124,000283,392$11,183
Q1 2023ARK InvestSell-1,5545,523$217,938
Q4 2022Renaissance Technologies LLCSell-415,300159,392$4,759
Q4 2022ARK InvestSell-2,8007,077$211,319
Q3 2022Renaissance Technologies LLCBuy394,300574,692$15,293
Q3 2022ARK InvestBuy5669,877$263
Q2 2022Renaissance Technologies LLCBuy108,600180,392$4,097
Q2 2022ARK InvestSell-7,5109,311$256
Q1 2022Renaissance Technologies LLCSell-270,60071,792$1,927
Q1 2022First Eagle U.S. ValueSell-48,04227,298$733
Q1 2022ARK InvestSell-9,98316,821$451
Q4 2021Renaissance Technologies LLCBuy147,600342,392$5,454
Q4 2021First Eagle U.S. ValueBuy47,70075,340$1,200
Q4 2021ARK InvestBuy1,46226,804$427
Q3 2021Renaissance Technologies LLCSell-98,400194,792$3,239
Q3 2021First Eagle U.S. ValueBuy25,00027,640$460
Q3 2021ARK InvestSell-4,89625,342$421
Q2 2021First Eagle U.S. ValueSell-1,802,9852,640$55
Q2 2021ARK InvestSell-5,16830,238$630
Q1 2021ARK InvestBuy19,97735,406$746
Q4 2020Renaissance Technologies LLCSell-256,638293,192$4,917
Q4 2020ARK InvestBuy9,31815,429$259
Q3 2020Renaissance Technologies LLCBuy90,800549,830$4,795
Q3 2020ARK InvestBuy1,0276,111$53
Q2 2020Renaissance Technologies LLCSell-271,162459,030$4,678

Frequently asked questions about ATI activity

  • Which institutional owners are buying ATI?

    Institutional owners buying ATI include investors who have either initiated new positions or increased their existing holdings based on recent SEC 13F filings. The activity table above highlights which funds added shares in the latest reporting periods and how their positions changed over time.

  • What does "buy" mean in ATI activity?

    "Buy" means an investor increased their reported position in ATI compared to the prior reporting period. This reflects growing exposure to ATI INC (ATI) rather than necessarily a brand-new position (though new positions also appear as buys when prior quantity was zero).

  • Is institutional interest in ATI increasing?

    Institutional interest in ATI can be assessed by comparing the number of tracked funds adding or increasing positions versus those trimming or exiting across the periods shown. A higher number of additions typically signals increasing participation among large filers, but it should be read alongside position sizes and the full table.

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