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Institutional Holders of ATI

There is a long list of 355 institutional holders of ATI within the last two holding periods in our database of 13F filers, so we've sorted through to present to you just the top 50 institutional holders of ATI by largest to smallest position reported in the institutional investor's latest 13F filing. In the institutional-holders-of-ATI table below, the initial column indicates the name of each top institutional holder of ATI, with a link to that fund's top holdings. The next columns indicate the amount of ATI stock held by each of the institutional holders of ATI, followed by the ATI position size held by the institution, and finally the date of the quarterly 13F filing period the holdings data represents for that institution.

HolderAmountPosition Size
($ in 1000's)
 As of
BlackRock Inc. $948,003 12/31/2023
     ATI20,232,255$919,961 12/31/2023
     NOTE 39,469,000$28,042 12/31/2023
Capital International Investors15,206,885$691,457 12/31/2023
     ATI15,206,885$691,457 12/31/2023
Vanguard Group Inc.14,206,395$645,965 12/31/2023
     ATI14,206,395$645,965 12/31/2023
State Street Corp6,744,006$306,650 12/31/2023
     ATI6,744,006$306,650 12/31/2023
Frontier Capital Management Co. LLC3,645,644$165,767 12/31/2023
     ATI3,645,644$165,767 12/31/2023
FMR LLC $156,532 12/31/2023
     ATI3,312,274$150,609 12/31/2023
     NOTE 32,000,000$5,923 12/31/2023
Ameriprise Financial Inc.3,178,015$144,504 12/31/2023
     ATI3,178,015$144,504 12/31/2023
Alliancebernstein L.P.3,167,131$144,009 12/31/2023
     ATI3,167,131$144,009 12/31/2023
Lazard Asset Management LLC $134,687 12/31/2023
     Bond 30 360P2 U40,000,000$118,660 12/31/2023
     ATI352,486$16,027 12/31/2023
Geode Capital Management LLC2,699,414$122,757 12/31/2023
     ATI2,699,414$122,757 12/31/2023
D. E. Shaw & Co. Inc. $115,806 12/31/2023
     NOTE20,154,000$59,725 12/31/2023
     ATI1,233,357$56,081 12/31/2023
Invesco Ltd. $114,501 12/31/2023
     ATI2,513,075$114,270 12/31/2023
     NOTE 378,000$231 12/31/2023
Dimensional Fund Advisors LP2,317,722$105,394 12/31/2023
     ATI2,317,722$105,394 12/31/2023
Morgan Stanley2,102,732$95,611 12/31/2023
     ATI2,102,732$95,611 12/31/2023
Capital World Investors1,974,652$89,787 12/31/2023
     ATI1,974,652$89,787 12/31/2023
TENOR CAPITAL MANAGEMENT Co. L.P. $88,963 12/31/2023
     NOTE 330,000,000$88,963 12/31/2023
Loomis Sayles & Co. L P1,590,068$72,301 12/31/2023
     ATI1,590,068$72,301 12/31/2023
Charles Schwab Investment Management Inc.1,567,583$71,278 12/31/2023
     ATI1,567,583$71,278 12/31/2023
Driehaus Capital Management LLC1,548,353$70,404 12/31/2023
     ATI1,548,353$70,404 12/31/2023
Point72 Asset Management L.P.1,539,536$70,003 12/31/2023
     ATI1,539,536$70,003 12/31/2023
Channing Capital Management LLC1,537,146$69,894 12/31/2023
     ATI1,537,146$69,894 12/31/2023
Allspring Global Investments Holdings LLC1,535,359$69,813 12/31/2023
     ATI1,535,359$69,813 12/31/2023
III Capital Management $68,302 12/31/2023
     NOTE 323,045,000$68,302 12/31/2023
Northern Trust Corp1,427,644$64,915 12/31/2023
     ATI1,427,644$64,915 12/31/2023
Bowen Hanes & Co. Inc.1,400,150$63,665 12/31/2023
     ATI1,400,150$63,665 12/31/2023
Barrow Hanley Mewhinney & Strauss LLC1,363,667$62,006 12/31/2023
     ATI1,363,667$62,006 12/31/2023
Price T Rowe Associates Inc. MD1,316,526$59,863 12/31/2023
     ATI1,316,526$59,863 12/31/2023
Goldman Sachs Group Inc.1,306,784$59,419 12/31/2023
     ATI1,306,784$59,419 12/31/2023
Federated Hermes Inc.1,258,969$57,245 12/31/2023
     ATI1,258,969$57,245 12/31/2023
Norges Bank1,228,400$55,855 12/31/2023
     ATI1,228,400$55,855 12/31/2023
Woodline Partners LP1,166,505$53,041 12/31/2023
     ATI1,166,505$53,041 12/31/2023
Victory Capital Management Inc.1,109,192$50,435 12/31/2023
     ATI1,109,192$50,435 12/31/2023
Bank of New York Mellon Corp1,091,259$49,620 12/31/2023
     ATI1,091,259$49,620 12/31/2023
Macquarie Group Ltd.1,019,796$46,370 12/31/2023
     ATI1,019,796$46,370 12/31/2023
Neuberger Berman Group LLC1,008,477$45,855 12/31/2023
     ATI1,008,477$45,855 12/31/2023
Capital International Inc.1,007,979$45,833 12/31/2023
     ATI1,007,979$45,833 12/31/2023
Mirae Asset Global Investments Co. Ltd.946,566$43,040 12/31/2023
     ATI946,566$43,040 12/31/2023
Balyasny Asset Management LLC939,089$42,700 12/31/2023
     ATI939,089$42,700 12/31/2023
Calamos Advisors LLC $42,615 12/31/2023
     NOTE 314,380,000$42,615 12/31/2023
Citadel Advisors LLC $41,587 12/31/2023
     NOTE 39,198,000$27,261 12/31/2023
     ATI259,556$11,802 12/31/2023
     Call92,500$4,206 12/31/2023
     Put37,000$1,682 12/31/2023
UBS Asset Management Americas Inc. $40,754 12/31/2023
     CONV BD US8,000,000$23,680 12/31/2023
     ATI375,498$17,074 12/31/2023
Fisher Asset Management LLC802,671$36,497 12/31/2023
     ATI802,671$36,497 12/31/2023
Nuveen Asset Management LLC740,475$33,669 12/31/2023
     ATI740,475$33,669 12/31/2023
Principal Financial Group Inc.663,754$30,181 12/31/2023
     ATI663,754$30,181 12/31/2023
KLCM Advisors Inc.639,632$29,084 12/31/2023
     ATI639,632$29,084 12/31/2023
Wells Fargo & Company MN $26,604 12/31/2023
     ATI300,572$13,667 12/31/2023
     NOTE 34,388,000$12,937 12/31/2023
Thrivent Financial for Lutherans $25,625 12/31/2023
     NOTE 36,894,000$20,416 12/31/2023
     ATI114,559$5,209 12/31/2023
American Century Companies Inc. $25,479 12/31/2023
     ATI552,574$25,126 12/31/2023
     NOTE 3119,000$353 12/31/2023
Schonfeld Strategic Advisors LLC558,597$25,399 12/31/2023
     ATI558,597$25,399 12/31/2023
Emerald Advisers LLC557,389$25,344 12/31/2023
     ATI557,389$25,344 12/31/2023

See All: Funds Holding ATI
See Details: Top 10 Hedge Funds Holding ATI
Also See: ATI Insider Buying
Also See: ATI Holdings Changes

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