ALLEGHENY TECHNOLOGIES INC

Ticker: ATI CUSIP: 01741R102 Class: EQTY

Note: Option positions (PUT/CALL) are excluded.

InstitutionSharesValue ($000)
Capital International Investors17,095,803$1,962,204
BlackRock, Inc.14,666,770$1,683,159
VANGUARD GROUP INC12,726,524$1,460,496
Capital World Investors7,355,793$844,151
STATE STREET CORP5,599,233$642,568
FMR LLC5,074,824$582,387
Capital Research Global Investors3,611,724$414,481
Invesco Ltd.3,384,924$388,454
GEODE CAPITAL MANAGEMENT, LLC2,419,168$277,683
DIMENSIONAL FUND ADVISORS LP2,125,976$243,989
DENDUR CAPITAL LP2,039,291$234,029
D. E. Shaw & Co., Inc.2,022,621$232,116
NORGES BANK1,732,195$198,787
AMERICAN CENTURY COMPANIES INC1,590,017$182,471
CHARLES SCHWAB INVESTMENT MANAGEMENT INC1,487,892$170,750
MORGAN STANLEY1,283,539$147,299
AMERIPRISE FINANCIAL INC1,244,248$142,790
FRONTIER CAPITAL MANAGEMENT CO LLC1,227,453$140,862
UBS Group AG1,193,129$136,923
BOWEN HANES & CO INC1,177,705$135
NORTHERN TRUST CORP1,174,117$134,742
Holocene Advisors, LP1,071,745$122,993
AQR CAPITAL MANAGEMENT LLC1,019,840$117,037
MIRAE ASSET GLOBAL ETFS HOLDINGS Ltd.1,007,959$115,675
LOOMIS SAYLES & CO L P935,673$107,378
Bank of New York Mellon Corp912,874$104,761
Fisher Asset Management, LLC908,495$104,259
BARROW HANLEY MEWHINNEY & STRAUSS LLC857,900$98,453
NEUBERGER BERMAN GROUP LLC822,714$94,415
RAYMOND JAMES FINANCIAL INC803,317$92,347
BANK OF AMERICA CORP /DE/799,074$91,702
PRUDENTIAL FINANCIAL INC796,436$91,399
Point72 Asset Management, L.P.760,177$87,238
Jain Global LLC665,276$76,347
MARSHALL WACE, LLP628,285$72,102
Allspring Global Investments Holdings, LLC603,707$71,962
Nuveen, LLC547,541$62,836
FEDERATED HERMES, INC.545,854$62,642
MILLENNIUM MANAGEMENT LLC506,881$58,170
PRICE T ROWE ASSOCIATES INC /MD/498,177$57
Woodline Partners LP471,195$54,074
SCHRODER INVESTMENT MANAGEMENT GROUP453,545$52,688
Qube Research & Technologies Ltd430,227$49,373
BNP PARIBAS ARBITRAGE, SA392,682$45,064
BALYASNY ASSET MANAGEMENT L.P.389,986$44,755
GAMCO INVESTORS, INC. ET AL383,100$43,965
VAUGHAN NELSON INVESTMENT MANAGEMENT, L.P.377,550$43,328
WELLINGTON MANAGEMENT GROUP LLP377,358$43,306
ARROWSTREET CAPITAL, LIMITED PARTNERSHIP363,271$41,689
GOLDMAN SACHS GROUP INC362,387$41,588
JPMORGAN CHASE & CO354,881$40,726
TRAN CAPITAL MANAGEMENT, L.P.352,322$40,432
UBS ASSET MANAGEMENT AMERICAS INC352,316$40,432
RHUMBLINE ADVISERS347,548$39,885
Capital International, Inc./CA/326,054$37,418
Senator Investment Group LP325,000$37,297
KLCM Advisors, Inc.322,664$37,029
SEGALL BRYANT & HAMILL, LLC321,693$36,917
Retirement Systems of Alabama308,783$35,436
EMERALD ADVISERS, LLC307,552$35,295
ALLIANCEBERNSTEIN L.P.306,517$35,176
1832 Asset Management L.P.294,473$33,794
PRINCIPAL FINANCIAL GROUP INC292,144$33,526
Gotham Asset Management, LLC290,996$33,395
JANE STREET GROUP, LLC277,198$31,811
MUFG Securities EMEA plc277,000$31,789
Swiss National Bank271,700$31,180
LORD, ABBETT & CO. LLC267,049$31
NATIXIS264,067$30,304
Cartenna Capital, LP260,000$29,838
CALIFORNIA PUBLIC EMPLOYEES RETIREMENT SYSTEM254,689$29,228
CANADA PENSION PLAN INVESTMENT BOARD245,526$28,177
Allianz Asset Management GmbH242,511$27,831
BANK OF NOVA SCOTIA242,200$27,795
NOMURA ASSET MANAGEMENT INTERNATIONAL INC.239,609$27,498
STATE OF WISCONSIN INVESTMENT BOARD228,775$26,254
Legal & General Group Plc224,789$25,797
WELLS FARGO & COMPANY/MN217,753$24,989
DRIEHAUS CAPITAL MANAGEMENT LLC213,111$24,457
HAWK RIDGE CAPITAL MANAGEMENT LP209,500$24,042
ING GROEP NV195,300$22,413
EMERALD MUTUAL FUND ADVISERS TRUST183,555$21,065
CIBC WORLD MARKETS CORP177,444$20,363
VOLORIDGE INVESTMENT MANAGEMENT, LLC175,732$20,167
Corient Private Wealth LLC171,869$19,962
Concentric Capital Strategies, LP161,956$18,586
NATIXIS ADVISORS, L.P.151,265$17
NEW YORK STATE TEACHERS RETIREMENT SYSTEM147,969$17
SIGNATURE ESTATE & INVESTMENT ADVISORS LLC144,329$16,563
BARCLAYS PLC139,544$16,014
Sanctuary Advisors, LLC135,265$15,523
Man Group plc131,661$15,109
ROYCE & ASSOCIATES LP131,532$15,095
CALIFORNIA STATE TEACHERS RETIREMENT SYSTEM130,422$14,967
Mountaineer Partners Management, LLC128,909$14,794
ALGERT GLOBAL LLC127,945$15
JUPITER ASSET MANAGEMENT LTD125,139$14,361
SEI INVESTMENTS CO119,585$13,724
Weiss Asset Management LP119,031$13,660
J. Goldman & Co LP114,246$13,111
464 other institutions7,925,583$831,161
Total (564 institutions)128,202,873$14,366,540