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AMERICAN CENTURY COMPANIES INC

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13F filer, CIK 748054, KANSAS CITY, MO

AMERICAN CENTURY COMPANIES INC reported $226,281,255,256 across 2,884 holdings for the quarter ended 2026-06-30, in a 13F-HR filed 2026-08-12. Its ten largest share positions make up 22.09% of the portfolio.

Filed (acceptance time not in the bulk data set), ingested 13F-HR 0000748054-26-000005

Period
2026-06-30
Reported value
$226B
Holdings
2,884
Top 10 weight
22.09%
New
201
Sold out
147

Largest buys vs the previous quarter

SecurityShares changeApprox. value
AMDadded+1,555,994$904M
CIENadded+1,315,946$646M
LLYadded+508,915$610M
MUadded+481,577$556M
GLWadded+2,136,871$546M

Ranked by the share change valued at this quarter's implied price (value over shares in the 13F). A position sold out is valued at the previous quarter's price, its last report.

Largest sells vs the previous quarter

SecurityShares changeApprox. value
AAPLreduced-6,098,678-$1.76B
ADIreduced-1,761,690-$700M
AVGOreduced-1,693,491-$640M
MSFTreduced-1,639,313-$611M
ABBVreduced-1,639,495-$413M

Ranked by the share change valued at this quarter's implied price (value over shares in the 13F). A position sold out is valued at the previous quarter's price, its last report.

Back to all 2,879 share positions

Principal amounts

Notes and convertibles filed as a face amount (PRN). A face amount is never added to a share count (H6).

SecurityTypeAmountValueChange
MICROCHIP TECHNOLOGY INC.MICROCHIP TECHNOLOGY INC. NOTE 0.750% 6/0principal99,999,999$132M0
ENVISTA HOLDINGS CORPORATIONENVISTA HOLDINGS CORPORATION NOTE 1.750% 8/1principal94,286,000$94.7M+448,000
AKAMAI TECHNOLOGIES INCAKAMAI TECHNOLOGIES INC NOTE 1.125% 2/1principal60,175,000$71.7M+7,722,000
ON SEMICONDUCTOR CORPON SEMICONDUCTOR CORP NOTE 0.500% 3/0principal47,748,000$57.7M-52,251,999
WEC ENERGY GROUP INCWEC ENERGY GROUP INC NOTE 4.375% 6/0principal22,648,000$27.4M+86,000

Sold out in Q2 2026

Positions in the previous quarter's report that this quarter's report no longer lists.

SecurityShares beforeValue beforeType
ASNDASCENDIS PHARMA A/S1,397,119$320Mshares
HONHONEYWELL INTL INC1,192,108$269Mshares
ALAIR LEASE CORP2,803,885$182Mshares
CTRACOTERRA ENERGY INC4,548,020$160Mshares
TPHTRI POINTE HOMES INC2,621,344$122Mshares
CCLCARNIVAL CORP3,399,260$88Mshares
CRACKER BARREL OLD CTRY STORCRACKER BARREL OLD CTRY STOR74,983,000$73.5Mprincipal
KVYOKLAVIYO INC2,923,295$56.9Mshares
GLDDGREAT LAKES DREDGE & DOCK CO3,006,419$51.1Mshares
FLUTFLUTTER ENTMT PLC422,738$43.1Mshares
PLNTPLANET FITNESS MASTER ISSUER561,586$41.8Mshares
SNCYSUN CTRY AIRLS HLDGS INC2,444,823$40.4Mshares
MASIMASIMO CORP188,073$33.5Mshares
HYACHAYMAKER ACQUISITION CORP IV2,707,667$31.2Mshares
EMBCEMBECTA CORP3,439,512$30.4Mshares
CNTACENTESSA PHARMACEUTICALS PLC687,427$27.3Mshares
DUKE ENERGY CORP NEWDUKE ENERGY CORP NEW23,412,000$25.8Mprincipal
BWINTHE BALDWIN INSURANCE GRP IN1,028,729$22.6Mshares
TGBTASEKO MINES LTD2,751,157$17.8Mshares
CENXCENTURY ALUM CO232,034$13.6Mshares
HTBKHERITAGE COMM CORP1,044,866$13Mshares
OKLOOKLO INC254,218$12.6Mshares
DHILDIAMOND HILL INVT GROUP INC73,185$12.6Mshares
GDENGOLDEN ENTMT INC430,558$11.5Mshares
PRAPROASSURANCE CORP421,668$10.4Mshares
PHRPHREESIA INC1,018,235$8.53Mshares
EWTISHARES INC111,236$7.89Mshares
CUKCARNIVAL PLC266,301$6.86Mshares
CSGSCSG SYS INTL INC82,832$6.62Mshares
VGITVANGUARD SCOTTSDALE FDS105,300$6.27Mshares
WYWEYERHAEUSER CO243,616$5.95Mshares
TXNMTXNM ENERGY INC101,074$5.91Mshares
EWYISHARES INC43,853$5.39Mshares
DDDUPONT DE NEMOURS INC114,481$5.24Mshares
HOLXHOLOGIC INC52,652$3.98Mshares
IQIQIYI INC2,946,253$3.98Mshares
THRTHERMON GROUP HLDGS INC78,863$3.97Mshares
SIDCOMPANHIA SIDERURGICA NACION3,112,770$3.86Mshares
PCORPROCORE TECHNOLOGIES INC65,825$3.75Mshares
BRBRBELLRING BRANDS INC212,313$3.42Mshares
KWKENNEDY-WILSON HOLDINGS INC286,363$3.1Mshares
NVRIENVIRI CORP148,679$2.92Mshares
WHRWHIRLPOOL CORP49,175$2.65Mshares
JELDJELD-WEN HLDG INC2,095,185$2.6Mshares
RPCRIDGEPOST CAP INC355,679$2.58Mshares
PRMPERIMETER SOLUTIONS INC92,904$2.27Mshares
ALMSALUMIS INC102,456$2.26Mshares
DAWNDAY ONE BIOPHARMACEUTICALS I88,278$1.89Mshares
LNKBLINKBANCORP INC226,859$1.89Mshares
TYRATYRA BIOSCIENCES INC47,929$1.84Mshares
ZYMEZYMEWORKS INC70,851$1.77Mshares
FFICFLUSHING FINL CORP115,326$1.77Mshares
MAMAMAMAS CREATIONS INC104,866$1.61Mshares
EWCZEUROPEAN WAX CTR INC264,826$1.53Mshares
MERCMERCER INTL INC1,012,593$1.44Mshares
TAXFAMERICAN CENTY ETF TR28,436$1.42Mshares
STKLSUNOPTA INC207,017$1.34Mshares
CVGWCALAVO GROWERS INC51,982$1.34Mshares
AMWDAMERICAN WOODMARK CORP32,203$1.28Mshares
FONRFONAR CORP68,016$1.26Mshares
OLMAOLEMA PHARMACEUTICALS INC81,734$1.22Mshares
TRITHOMSON REUTERS CORP12,355$1.12Mshares
MATWMATTHEWS INTL CORP42,904$1.11Mshares
LYTSLSI INDS INC OHIO57,362$1.07Mshares
SEESEALED AIR CORP NEW25,320$1.06Mshares
MCWMISTER CAR WASH INC145,039$1.01Mshares
FOLDAMICUS THERAPEUTIC69,479$1Mshares
FFWMFIRST FNDTN INC169,129$998Kshares
NICENICE LTD9,050$998Kshares
TALKTALKSPACE INC176,688$914Kshares
TREELENDINGTREE INC20,578$882Kshares
UBFOUNITED SEC BANCSHARES CALIF83,365$876Kshares
BKSYBLACKSKY TECHNOLOGY INC33,627$846Kshares
STOKSTOKE THERAPEUTICS INC23,397$762Kshares
FWRDFORWARD AIR CORP40,390$675Kshares
CWCOCONSOLIDATED WATER CO INC20,094$666Kshares
BTBTBIT DIGITAL INC506,465$663Kshares
TNDMTANDEM DIABETES CARE INC33,470$642Kshares
MNROMONRO INC38,543$618Kshares
CMCOCOLUMBUS MCKINNON CORP N Y41,176$598Kshares
AKBAAKEBIA THREAPEUTICS INC415,988$578Kshares
BFLYBUTTERFLY NETWORK INC140,801$569Kshares
DHCDIVERSIFIED HEALTHCARE TR83,979$558Kshares
NABLN-ABLE INC114,462$535Kshares
CWENACLEARWAY ENERGY INC12,261$480Kshares
RAREULTRAGENYX PHARMACEUTICAL IN21,780$456Kshares
SSPSCRIPPS E W CO OHIO122,170$454Kshares
CXWCORECIVIC INC23,760$449Kshares
ONTFON24 INC55,232$447Kshares
ACRSACLARIS THERAPEUTICS INC118,702$445Kshares
BLFYBLUE FOUNDRY BANCORP32,559$431Kshares
FLINFRANKLIN TEMPLETON ETF TR12,579$418Kshares
CWBSPDR SERIES TRUST4,552$417Kshares
CMPXCOMPASS THERAPEUTICS INC78,328$414Kshares
LLYVALIBERTY LIVE HOLDINGS INC4,467$409Kshares
MPXMARINE PRODS CORP54,435$396Kshares
FIGFIGMA INC18,240$386Kshares
ANGIANGI INC55,507$380Kshares
VREVERIS RESIDENTIAL INC19,914$376Kshares
WIXWIX COM LTD4,153$374Kshares
FBRXFORTE BIOSCIENCES INC12,699$329Kshares
NAGENIAGEN BIOSCIENCE INC74,490$329Kshares
GTNGRAY MEDIA INC75,453$327Kshares
AURAAURA BIOSCIENCES INC48,323$323Kshares
EVCMEVERCOMMERCE INC27,731$317Kshares
INDAISHARES TR6,733$315Kshares
STTKSHATTUCK LABS INC48,127$309Kshares
MAZEMAZE THERAPEUTICS INC9,635$288Kshares
IMNMIMMUNOME INC12,149$266Kshares
EHTHEHEALTH INC200,428$259Kshares
ALTGALTA EQUIPMENT GROUP INC48,051$258Kshares
ENGNENGENE HOLDINGS INC32,861$224Kshares
CWANCLEARWATER ANALYTICS HLDGS I8,936$211Kshares
CBLLCERIBELL INC11,371$208Kshares
ALTALTIMMUNE INC62,909$194Kshares
HLFHERBALIFE LTD13,019$192Kshares
LANDGLADSTONE LD CORP18,581$190Kshares
AGNTAGNT INC29,004$174Kshares
BITFBITFARMS LTD85,721$168Kshares
ASANASANA INC25,733$165Kshares
SGUSTAR GROUP LP12,697$156Kshares
HCATHEALTH CATALYST INC112,810$143Kshares
TSSITSS INC DEL10,554$137Kshares
CNTXCONTEXT THERAPEUTICS INC50,912$133Kshares
EYPTEYEPOINT INC10,185$131Kshares
PESIPERMA-FIX ENVIRONMENTAL SVCS10,692$114Kshares
NVTSNAVITAS SEMICONDUCTOR CORP12,384$109Kshares
SMRTSMARTRENT INC69,042$104Kshares
BHVNBIOHAVEN LTD11,368$96.2Kshares
FLNAFILANA THERAPEUTICS INC53,367$90.2Kshares
REPLREPLIMUNE GROUP INC11,650$89.1Kshares
QSQUANTUMSCAPE CORP13,843$88.3Kshares
MGNXMACROGENICS INC30,556$88.3Kshares
SITCSITE CTRS CORP15,161$81.9Kshares
NMRANEUMORA THERAPEUTICS INC.39,810$77.6Kshares
CHRSCOHERUS ONCOLOGY INC43,242$73.1Kshares
RDNWRIDENOW GROUP INC10,317$72.8Kshares
UDMYUDEMY INC15,163$70.1Kshares
ANNXANNEXON INC12,463$69Kshares
SESSES AI CORPORATION66,027$63.5Kshares
PROPPRAIRIE OPER CO26,429$53.7Kshares
PRLDPRELUDE THERAPEUTICS INC10,294$35.2Kshares
DHDEFINITIVE HEALTHCARE CORP26,904$33.1Kshares
PACBPACIFIC BIOSCIENCES CALIF IN22,602$29.8Kshares
ZVIAZEVIA PBC23,631$27.6Kshares
LDILOANDEPOT INC17,173$24.4Kshares
GOCOGOHEALTH INC11,308$17.1Kshares

How Q2 2026 was built

Available 13F filings of this filer for the quarter and their roles: the base report is the latest original or restatement, NEW HOLDINGS amendments filed after it are added (method).

FilingRoleAmendmentFiledAcceptedIngested
13F-HR 0000748054-26-000005 base2026-08-12acceptance time not in the bulk data set

Filings

Every filing of this filer: 13F reports and notices, the 13D and 13G it filed or is a reporting person of, and Forms 3, 4 and 5 it reported as an owner.

FilingSubjectFiledAcceptedIngested
13F-HR 0000748054-26-000005 Quarter ended 2026-06-302026-08-12acceptance time not in the bulk data set
13F-HR 0000748054-26-000002 Quarter ended 2026-03-312026-05-15acceptance time not in the bulk data set
13F-HR 0000748054-26-000001 Quarter ended 2025-12-312026-02-13acceptance time not in the bulk data set
13F-HR 0000748054-25-000009 Quarter ended 2025-09-302025-11-12acceptance time not in the bulk data set
13F-HR 0001085146-25-004910 Quarter ended 2025-06-302025-08-12acceptance time not in the bulk data set
13F-HR 0001085146-25-003039 Quarter ended 2025-03-312025-05-13acceptance time not in the bulk data set
13F-HR 0001085146-25-000985 Quarter ended 2024-12-312025-02-11acceptance time not in the bulk data set
13F-HR 0001085146-24-005525 Quarter ended 2024-09-302024-11-12acceptance time not in the bulk data set
13F-HR 0001085146-24-003540 Quarter ended 2024-06-302024-08-07acceptance time not in the bulk data set
13F-HR 0001085146-24-002453 Quarter ended 2024-03-312024-05-14acceptance time not in the bulk data set
13F-HR 0001085146-24-001134 Quarter ended 2023-12-312024-02-13acceptance time not in the bulk data set
13F-HR/A 0001085146-23-004548 Quarter ended 2023-09-302023-11-30acceptance time not in the bulk data set
13F-HR 0001085146-23-004252 Quarter ended 2023-09-302023-11-13acceptance time not in the bulk data set
13F-HR 0001085146-23-003376 Quarter ended 2023-06-302023-08-14acceptance time not in the bulk data set
13F-HR 0001085146-23-002226 Quarter ended 2023-03-312023-05-11acceptance time not in the bulk data set
13F-HR 0001085146-23-001066 Quarter ended 2022-12-312023-02-13acceptance time not in the bulk data set
13F-HR 0001085146-22-004017 Quarter ended 2022-09-302022-11-14acceptance time not in the bulk data set
13F-HR 0001085146-22-003006 Quarter ended 2022-06-302022-08-12acceptance time not in the bulk data set
13F-HR 0001085146-22-001982 Quarter ended 2022-03-312022-05-11acceptance time not in the bulk data set
13F-HR 0001085146-22-000571 Quarter ended 2021-12-312022-02-07acceptance time not in the bulk data set
13F-HR 0001085146-21-003099 Quarter ended 2021-09-302021-11-10acceptance time not in the bulk data set
13F-HR 0000748054-21-000009 Quarter ended 2021-06-302021-08-05acceptance time not in the bulk data set
13F-HR 0000748054-21-000005 Quarter ended 2021-03-312021-05-14acceptance time not in the bulk data set
13F-HR 0000748054-21-000002 Quarter ended 2020-12-312021-02-12acceptance time not in the bulk data set
13F-HR 0000748054-20-000014 Quarter ended 2020-09-302020-11-13acceptance time not in the bulk data set
13F-HR 0000748054-20-000012 Quarter ended 2020-06-302020-08-13acceptance time not in the bulk data set
13F-HR 0000748054-20-000008 Quarter ended 2020-03-312020-05-14acceptance time not in the bulk data set
13F-HR 0000748054-20-000003 Quarter ended 2019-12-312020-02-12acceptance time not in the bulk data set
13F-HR 0000748054-19-000020 Quarter ended 2019-09-302019-11-13acceptance time not in the bulk data set
13F-HR 0000748054-19-000016 Quarter ended 2019-06-302019-08-14acceptance time not in the bulk data set
13F-HR 0000748054-19-000012 Quarter ended 2019-03-312019-05-14acceptance time not in the bulk data set
13F-HR/A 0000748054-19-000009 Quarter ended 2018-12-312019-03-06acceptance time not in the bulk data set
13F-HR 0000748054-19-000006 Quarter ended 2018-12-312019-02-13acceptance time not in the bulk data set
13F-HR 0000748054-18-000028 Quarter ended 2018-09-302018-11-02acceptance time not in the bulk data set
13F-HR 0000748054-18-000025 Quarter ended 2018-06-302018-08-08acceptance time not in the bulk data set
13F-HR 0000748054-18-000007 Quarter ended 2018-03-312018-05-03acceptance time not in the bulk data set
13F-HR 0000748054-18-000004 Quarter ended 2017-12-312018-02-02acceptance time not in the bulk data set
13F-HR 0000748054-17-000015 Quarter ended 2017-09-302017-11-01acceptance time not in the bulk data set
13F-HR 0000748054-17-000010 Quarter ended 2017-06-302017-08-07acceptance time not in the bulk data set
13F-HR 0000748054-17-000007 Quarter ended 2017-03-312017-05-02acceptance time not in the bulk data set
13F-HR 0000748054-17-000004 Quarter ended 2016-12-312017-02-03acceptance time not in the bulk data set
13F-HR 0000748054-16-000049 Quarter ended 2016-09-302016-11-01acceptance time not in the bulk data set
13F-HR/A 0000748054-16-000044 Quarter ended 2016-06-302016-08-16acceptance time not in the bulk data set
13F-HR/A 0000748054-16-000045 Quarter ended 2016-06-302016-08-16acceptance time not in the bulk data set
13F-HR 0000748054-16-000040 Quarter ended 2016-06-302016-07-26acceptance time not in the bulk data set
13F-HR 0000748054-16-000035 Quarter ended 2016-03-312016-05-02acceptance time not in the bulk data set
13F-HR 0000748054-16-000031 Quarter ended 2015-12-312016-02-01acceptance time not in the bulk data set
13F-HR 0000748054-15-000023 Quarter ended 2015-09-302015-11-02acceptance time not in the bulk data set
13F-HR 0000748054-15-000019 Quarter ended 2015-06-302015-07-28acceptance time not in the bulk data set
13F-HR 0000748054-15-000015 Quarter ended 2015-03-312015-05-06acceptance time not in the bulk data set
13F-HR 0000748054-15-000003 Quarter ended 2014-12-312015-01-27acceptance time not in the bulk data set
13F-HR 0000052388-14-000092 Quarter ended 2014-09-302014-11-07acceptance time not in the bulk data set
13F-HR 0000748054-14-000015 Quarter ended 2014-06-302014-08-04acceptance time not in the bulk data set
13F-HR 0000748054-14-000005 Quarter ended 2014-03-312014-05-05acceptance time not in the bulk data set
13F-HR 0000748054-14-000002 Quarter ended 2013-12-312014-02-06acceptance time not in the bulk data set
13F-HR 0000748054-13-000019 Quarter ended 2013-09-302013-10-30acceptance time not in the bulk data set
13F-HR 0000748054-13-000016 Quarter ended 2013-06-302013-07-23acceptance time not in the bulk data set