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Super Investors / AMERICAN CENTURY COMPANIES INC
AC

AMERICAN CENTURY COMPANIES INC

Quarterly 13F snapshot: US-listed longs only, no performance figures — 13F data cannot support them.

Portfolio value
$226B
Positions
2884
Quarter ended
June 30, 2026
Filed
August 12, 2026

Reported portfolio value by quarter (53 quarters reported)

$226B $75.7B
Q2 13 Q1 16 Q4 18 Q3 21 Q2 24 Q2 26

$75.7B in Q2 2013 → $226B now. Hover for any quarter.

Holdings

As reported for the quarter ended June 30, 2026. Activity is the change in share count since the prior quarter's filing.

Holding % of portfolio Activity Shares Value
Nvidia Corporation 5.4% Trimmed 0.7% 60,626,286 $12.1B
Alphabet Inc 2.7% Trimmed 3.7% 16,841,559 $6.02B
Amazon Com Inc 2.6% Added 0.8% 24,455,378 $5.83B
Apple Inc 2.4% Trimmed 24% 19,112,405 $5.53B
Microsoft Corp 2.4% Trimmed 10% 14,512,326 $5.41B
Alphabet Inc 1.4% Trimmed 3.6% 9,047,039 $3.2B
Meta Platforms Inc 1.3% Added 6.8% 5,332,613 $3B
TS Taiwan Semiconductor Manufac 1.3% Trimmed 2.0% 6,223,473 $2.97B
Broadcom Inc 1.3% Trimmed 18% 7,847,715 $2.96B
Tesla Inc 1.3% Added 2.9% 6,961,359 $2.93B
Eli Lilly & Co 1.2% Added 28% 2,354,837 $2.82B
Micron Technology Inc 1.1% Added 29% 2,121,016 $2.45B
Mastercard Incorporated 1.1% Trimmed 12% 4,713,938 $2.42B
AM Applied Matls Inc 1.0% Trimmed 15% 3,004,203 $2.17B
Netflix Inc. 0.7% Added 16% 22,424,271 $1.6B
Lam Research Corp 0.7% Added 5.0% 3,447,645 $1.49B
CW Costco Wholesale Corporation 0.6% Trimmed 20% 1,448,226 $1.35B
Jpmorgan Chase & Co 0.6% Added 7.4% 4,008,406 $1.31B
Amphenol Corp 0.5% Added 30% 6,877,221 $1.21B
Advanced Micro Devices Inc 0.5% Added 496% 1,869,689 $1.09B
Cloudflare Inc 0.5% Added 18% 4,286,156 $1.05B
Vertiv Holdings Co 0.5% Trimmed 5.9% 3,129,427 $1.05B
Datadog Inc 0.4% Trimmed 1.3% 3,754,204 $977M
Ciena Corp 0.4% Added 246% 1,851,788 $908M
Howmet Aerospace Inc 0.4% Trimmed 8.7% 3,285,142 $883M
CD Cadence Design System Inc 0.4% Added 86% 2,288,432 $859M
Intuitive Surgical Inc 0.4% Trimmed 4.5% 2,014,594 $801M
EM Exxon Mobil Corp 0.3% Added 7.3% 5,637,812 $771M
Johnson & Johnson 0.3% Added 2.4% 2,945,732 $748M
Ge Vernova Inc 0.3% Added 9.2% 635,080 $746M
AH Asml Hldg Nv 0.3% Added 3.3% 371,924 $740M
Snowflake Inc 0.3% Added 7.3% 2,823,407 $719M
C Corning Inc 0.3% Added 473% 2,588,427 $661M
M& Marsh & Mclennan Cos Inc 0.3% Trimmed 8.4% 3,877,741 $646M
Merck & Co Inc 0.3% Trimmed 12% 4,865,967 $625M
Kimberly-clark Corp 0.3% Added 26% 5,607,923 $616M
Kla Corp 0.3% Added 638% 2,024,263 $611M
Palantir Technologies Inc 0.3% Added 20% 5,145,531 $600M
TC Tjx Cos Inc New 0.3% Added 8.8% 3,950,845 $599M
AC American Centy ETF Tr 0.3% Added 9.8% 4,549,423 $583M
Unitedhealth Group Inc 0.3% Added 42% 1,363,176 $567M
Analog Devices Inc 0.2% Trimmed 56% 1,405,705 $558M
Alnylam Pharmaceuticals Inc 0.2% Added 2.9% 1,853,956 $558M
Synopsys Inc 0.2% Added 100% 1,251,126 $558M
BD Becton Dickinson & Co 0.2% Added 7.9% 3,676,534 $556M
AC American Centy ETF Tr 0.2% Added 22% 6,138,581 $548M
Caterpillar Inc 0.2% Trimmed 22% 512,935 $546M
WC Williams Cos Inc 0.2% Added 12% 7,222,977 $537M
Verizon Communications Inc 0.2% Added 13% 12,518,211 $530M
Viasat Inc 0.2% Trimmed 0.0% 5,736,575 $515M
Gilead Sciences Inc 0.2% Trimmed 0.5% 3,959,269 $500M
VH Viking Holdings Ltd 0.2% Added 95% 4,757,925 $498M
IB Interactive Brokers Group In 0.2% Trimmed 2.8% 5,583,028 $486M
Medtronic PLC 0.2% Added 12% 6,153,467 $481M
Goldman Sachs Group Inc 0.2% Added 113% 475,661 $481M
NS Norfolk Southn Corp 0.2% Trimmed 25% 1,526,249 $480M
PA Packaging Corp Amer 0.2% Trimmed 2.7% 2,011,324 $479M
Qualcomm Inc 0.2% Added 100% 2,592,725 $479M
Planet Labs Pbc 0.2% Added 148% 14,399,902 $477M
DE Duke Energy Corp New 0.2% Added 12% 3,689,898 $467M

Showing top 60 of 2884 positions.

Timeline of changes

What changed each quarter, from the filings' own share counts. Largest moves first; most recent 8 quarters.

Q2 2026

quarter ended June 30, 2026 · filed August 12, 2026

Company Action Shares changed Value of change % of portfolio
Apple Inc Trimmed −6,098,678 −$1.76B 2.4%
Advanced Micro Devices Inc Added +1,555,994 +$904M 0.5%
Analog Devices Inc Trimmed −1,761,690 −$700M 0.2%
Ciena Corp Added +1,315,946 +$646M 0.4%
Broadcom Inc Trimmed −1,693,491 −$640M 1.3%
Microsoft Corp Trimmed −1,639,313 −$611M 2.4%
Eli Lilly & Co Added +508,915 +$610M 1.2%
Micron Technology Inc Added +481,577 +$556M 1.1%
C Corning Inc Added +2,136,871 +$546M 0.3%
Kla Corp Added +1,750,036 +$528M 0.3%

Showing the 10 largest of 2978 changes.

Q1 2026

quarter ended March 31, 2026 · filed May 15, 2026

Company Action Shares changed Value of change % of portfolio
Amazon Com Inc Trimmed −2,331,760 −$486M 2.6%
Alphabet Inc Trimmed −1,401,343 −$403M 2.6%
Nvidia Corporation Trimmed −2,269,310 −$396M 5.5%
Microsoft Corp Added +1,027,241 +$380M 3.1%
Astrazeneca PLC New +1,807,026 +$356M 0.2%
M& Marsh & Mclennan Cos Inc Added +1,903,819 +$330M 0.4%
Astrazeneca PLC Exited −3,442,805 −$316M
Kenvue Inc Trimmed −17,196,792 −$296M 0.1%
HI Honeywell Intl Inc Added +928,940 +$210M 0.1%
Apple Inc Trimmed −819,746 −$208M 3.3%

Showing the 10 largest of 2902 changes.

Q4 2025

quarter ended December 31, 2025 · filed February 13, 2026

Company Action Shares changed Value of change % of portfolio
Netflix Inc Added +15,804,792 +$1.48B 0.8%
Nvidia Corporation Trimmed −3,076,102 −$574M 5.9%
Visa Inc Trimmed −1,365,822 −$479M 0.1%
Apple Inc Trimmed −1,717,245 −$467M 3.6%
AN Amphenol Corp New Added +3,437,013 +$464M 0.4%
Alphabet Inc Trimmed −1,271,036 −$398M 3.0%
Alphabet Inc Trimmed −1,248,759 −$392M 1.5%
Servicenow Inc Added +1,962,866 +$301M 0.2%
Broadcom Inc Added +832,723 +$288M 1.6%
Meta Platforms Inc Trimmed −390,230 −$258M 1.7%

Showing the 10 largest of 2826 changes.

Q3 2025

quarter ended September 30, 2025 · filed November 12, 2025

Company Action Shares changed Value of change % of portfolio
Oracle Corp Added +4,030,382 +$1.13B 0.7%
Johnson & Johnson Trimmed −2,260,510 −$419M 0.4%
Chipotle Mexican Grill Inc Trimmed −10,292,635 −$403M 0.2%
EM Exxon Mobil Corp Trimmed −3,107,443 −$350M 0.3%
Snowflake Inc Added +1,473,354 +$332M 0.2%
Tc Energy Corp Added +5,435,310 +$296M 0.2%
AM Applied Matls Inc Trimmed −1,265,056 −$259M 0.3%
NS Norfolk Southn Corp Trimmed −850,971 −$256M 0.3%
Oshkosh Corp Trimmed −1,893,520 −$246M 0.1%
Analog Devices Inc Trimmed −968,982 −$238M 0.4%

Showing the 10 largest of 2900 changes.

Q2 2025

quarter ended June 30, 2025 · filed August 12, 2025

Company Action Shares changed Value of change % of portfolio
Apple Inc Trimmed −2,777,814 −$570M 3.2%
Palantir Technologies Inc Trimmed −2,748,651 −$375M 0.1%
Netflix Inc Added +259,876 +$348M 1.2%
Booking Holdings Inc Added +50,592 +$293M 0.2%
TS Taiwan Semiconductor Mfg Ltd Added +1,055,324 +$239M 0.7%
Alphabet Inc Trimmed −1,335,606 −$235M 2.0%
IB Interactive Brokers Group In Added +4,168,530 +$231M 0.2%
Howmet Aerospace Inc Added +1,240,071 +$231M 0.4%
Progressive Corp Trimmed −831,357 −$222M 0.2%
RC Royal Caribbean Group Added +678,353 +$212M 0.2%

Showing the 10 largest of 2912 changes.

Q1 2025

quarter ended March 31, 2025 · filed May 13, 2025

Company Action Shares changed Value of change % of portfolio
Apple Inc Trimmed −2,348,510 −$522M 4.3%
Nvidia Corporation Trimmed −4,580,740 −$496M 4.4%
Microsoft Corp Trimmed −843,193 −$317M 3.7%
Eli Lilly & Co Trimmed −330,070 −$273M 1.0%
BR Beacon Roofing Supply Inc Trimmed −1,864,692 −$231M 0.1%
Meta Platforms Inc Trimmed −399,440 −$230M 2.1%
IB Interactive Brokers Group In Added +1,343,007 +$222M 0.1%
EI Edison Intl Trimmed −3,077,586 −$181M
Medtronic PLC Trimmed −1,935,154 −$174M 0.4%
MM Martin Marietta Matls Inc Added +350,729 +$168M 0.1%

Showing the 10 largest of 2944 changes.

Q4 2024

quarter ended December 31, 2024 · filed February 11, 2025

Company Action Shares changed Value of change % of portfolio
Broadcom Inc Added +3,022,589 +$701M 1.0%
Visa Inc Trimmed −1,771,589 −$560M 0.5%
Advanced Micro Devices Inc Trimmed −4,334,407 −$524M
Apple Inc Trimmed −1,752,580 −$439M 4.8%
Blackrock Inc Exited −355,260 −$337M
Nvidia Corporation Trimmed −2,369,816 −$318M 5.5%
Blackrock Inc New +302,639 +$310M 0.2%
Mastercard Incorporated Added +581,697 +$306M 1.5%
Arista Networks Inc New +2,506,568 +$277M 0.2%
IT Ishares Tr Trimmed −651,048 −$261M 0.1%

Showing the 10 largest of 2943 changes.

Q3 2024

quarter ended September 30, 2024 · filed November 12, 2024

Company Action Shares changed Value of change % of portfolio
Broadcom Inc Added +3,882,103 +$670M 0.4%
Visa Inc Trimmed −1,796,351 −$494M 0.7%
Te Connectivity PLC New +2,026,623 +$306M 0.2%
Te Connectivity Ltd Exited −1,967,251 −$296M
Colgate Palmolive Co Trimmed −2,256,294 −$234M 0.1%
Nxp Semiconductors N V Trimmed −765,947 −$184M
Workday Inc Added +748,716 +$183M 0.3%
Apple Inc Added +765,034 +$178M 4.8%
DE Duke Energy Corp New Trimmed −1,524,177 −$176M 0.3%
Eli Lilly & Co Added +193,862 +$172M 1.2%

Showing the 10 largest of 2946 changes.

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