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
Q2 2020ARK InvestBuy2,9545,084$52
Q1 2020Renaissance Technologies LLCBuy585,400730,192$6,207
Q1 2020ARK InvestBuy1352,130$18
Q4 2019Atlantic Investment ManagementBuy50,00050,000$1,033
Q4 2019Sequoia Financial AdvisorsBuy1,535172,590$3,566
Q4 2019ARK InvestBuy631,995$41
Q3 2019Sequoia Financial AdvisorsSell-9,192171,055$3,464
Q3 2019ARK InvestSell-511,932$39
Q2 2019Sequoia Financial AdvisorsBuy4,932180,247$4,542
Q2 2019ARK InvestBuy851,983$50
Q1 2019Renaissance Technologies LLCBuy124,700144,792$3,702
Q1 2019Sequoia Financial AdvisorsBuy2,799175,315$4,483
Q1 2019ARK InvestSell-1651,898$49
Q4 2018Renaissance Technologies LLCSell-286,40020,092$437
Q4 2018Sequoia Financial AdvisorsBuy83,678172,516$3,756
Q4 2018ARK InvestSell-3492,063$45
Q3 2018Renaissance Technologies LLCBuy106,500306,492$9,057
Q3 2018Sequoia Financial AdvisorsSell-76,48588,838$2,625
Q3 2018ARK InvestSell-282,412$71
Q2 2018First Eagle U.S. ValueSell-425,2231,805,625$45,357
Q2 2018ARK InvestSell-7052,440$61
Q1 2018Renaissance Technologies LLCBuy16,200199,992$4,736
Q1 2018ARK InvestBuy1453,145$74
Q4 2017First Eagle U.S. ValueBuy83,9002,230,848$53,853
Q4 2017ARK InvestBuy1123,000$72
Q3 2017Renaissance Technologies LLCBuy18,300183,792$4,393
Q3 2017ARK InvestBuy1082,888$69
Q2 2017First Eagle U.S. ValueBuy140,6002,146,948$36,520
Q2 2017ARK InvestBuy9452,780$47
Q1 2017First Eagle U.S. ValueBuy1,064,3052,006,348$36,034

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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