Allegheny Technologies Inc

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Allegheny Technologies Inc
TickerATI
CIK #0001018963
CUSIP01741R102
SectorManufacturing - Steel Pipe & Tubes
Address1000 Six Ppg Place, Pittsburgh, PA 15222
Source [EDGAR]
CIK Filing 2011 - 2025
[0001018963] 10-K
[0001018963] 10-Q
[0001018963] 3
[0001018963] 4
[0001018963] 5
[0001018963] 8-K
[0001018963] SC 13G
Form 13D/13G Filer Form 13D/13G Subject Filed % Owned
FMR LLC ATI Inc [2024-11-12] 0.0
AllianceBernstein LP ATI Inc [2023-02-14] 5.4
AllianceBernstein LP ATI Inc [2023-02-13] 5.4
BlackRock Inc ATI Inc [2023-01-20] 16.1
Capital International Investors Allegheny Technologies Inc [2021-02-16] 0.0
Capital International Investors Allegheny Technologies Inc [2021-02-16] 0.0
State Street Corp Allegheny Technologies Inc [2021-02-05] 5.27
D E Shaw & Co LP Allegheny Technologies Inc [2020-09-18] 5.0
D E Shaw & Co LP Allegheny Technologies Inc [2020-06-15] 5.0
Capital World Investors Allegheny Technologies Inc [2020-02-14] 6.1
Dimensional Fund Advisors LP Allegheny Technologies Inc [2020-02-12] 5.25
Capital International Investors Allegheny Technologies Inc [2019-09-10] 10.6
Capital Research Global Investors Allegheny Technologies Inc [2019-02-14] 7.0
Frontier Capital Management Co LLC Allegheny Technologies Inc [2018-02-07] 6.223
Iridian Asset Management LLC/CT Allegheny Technologies Inc [2017-06-06] 10.1
Platinum Investment Management Ltd Allegheny Technologies Inc [2017-02-15] 0.0
State Street Corp Allegheny Technologies Inc [2017-02-09] 5.11
WS Management LLLP Allegheny Technologies Inc [2016-11-04] 5.0
SASCO Capital Inc / CT/ Allegheny Technologies Inc [2016-02-12] 5.5
Platinum Investment Management Ltd Allegheny Technologies Inc [2016-02-11] 0.0
BlackRock Inc Allegheny Technologies Inc [2016-01-28] 7.3
Franklin Resources Inc Allegheny Technologies Inc [2015-02-09] 5.5
BlackRock Inc Allegheny Technologies Inc [2015-02-03] 5.0
State Street Corp Allegheny Technologies Inc [2014-02-05] 4.5
State Street Corp Allegheny Technologies Inc [2013-02-11] 5.3
BlackRock Inc Allegheny Technologies Inc [2013-01-30] 5.06
Vanguard Group Inc Allegheny Technologies Inc [2012-02-07] 5.11
Form 3/4/5 Filer 2011 - 2025
Morehouse David J
ATI Inc
Wetherbee Robert S
Sharma Ruby
Ball M Leroy
Carlisle Herbert J
Corvi Carolyn
Harvey J Brett
Hess David P
Kah Marianne
Miller Michael Benjamin
Bhatia Vaishali S.
Busch Tina Killough
Newman Donald P
Williams Jimmy Jr.
Fields Kimberly A
Harris Timothy J
Washington Netta
Davis Elliot S
Diggs James C
Schwartz Karl D
Kramer Kevin B
Powers Elizabeth C
Pipski John R
Creel Diane C
ROHR James E
Sims John D
DeCourcy Patrick J
Harshman Richard J
Jeremiah Barabara S
Turner John D
Thomas Louis J
Dalton Hunter R
Dunlap Terry L
Joyce Michael
Vroman Gary J
Reid Dale G
Hogan David M
Form 13F Holdings
Firm Period DFND Voting Shares
Capital International Investors [2025-06-30] DFND 16,689,034 16,711,428
BlackRock, Inc. [2025-06-30] SOLE 14,344,239 14,947,268
Vanguard Group Inc [2025-06-30] SOLE 0 13,123,611
Capital World Investors [2025-06-30] DFND 6,820,371 6,820,371
State Street Corp [2025-06-30] DFND 5,214,661 5,626,765
D. E. Shaw & Co., Inc. [2025-06-30] DFND 3,470,248 3,516,648
FMR LLC [2025-06-30] DFND 3,389,164 3,413,781
Invesco Ltd. [2025-06-30] DFND 0 3,296,624
Capital Research Global Investors [2025-06-30] DFND 3,224,970 3,224,970
Dendur Capital LP [2025-06-30] SOLE 3,175,000 3,175,000
Geode Capital Management LLC [2025-06-30] DFND 2,410,313 2,435,916
Frontier Capital Management Co LLC [2025-06-30] SOLE 1,635,272 2,225,724
Ameriprise Financial Inc [2025-06-30] DFND 0 2,109,919
Dimensional Fund Advisors LP [2025-06-30] SOLE 1,669,804 1,819,102
Norges Bank [2025-06-30] SOLE 1,699,392 1,699,392
Charles Schwab Investment Management Inc [2025-06-30] SOLE 1,497,386 1,497,433
American Century Companies Inc [2025-06-30] DFND 978,352 1,386,116
Bowen Hanes & Co Inc [2025-06-30] SOLE 1,375,560 1,375,560
Morgan Stanley [2025-06-30] DFND 1,037,601 1,207,211
Northern Trust Corp [2025-06-30] DFND 1,179,373 1,184,136
Palestra Capital Management LLC [2025-06-30] SOLE 1,062,298 1,062,298
Citadel Advisors LLC [2025-06-30] DFND 1,053,875 1,053,875
Loomis Sayles & Co L P [2025-06-30] DFND 994,886 1,039,613
MIRAE ASSET GLOBAL ETFS HOLDINGS Ltd. [2025-06-30] DFND 997,941 997,941
Barrow Hanley Mewhinney & Strauss LLC [2025-06-30] DFND 977,271 977,271
Raymond James Financial Inc [2025-06-30] DFND 902,765 943,789
Royal Bank of Canada [2025-06-30] DFND 931,660 933,419
Fuller & Thaler Asset Management Inc [2025-06-30] SOLE 846,963 911,108
Bank of New York Mellon Corp [2025-06-30] DFND 811,924 889,637
Woodline Partners LP [2025-06-30] SOLE 838,621 838,621
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