Top Institutional Investors

American Century Companies, Inc. — 13F Holdings & Portfolio

CIK 748054 · latest 13F-HR filed 2026-08-12

Backtest portfolio

American Century Companies, Inc. manages $226.28B in 13F-reported U.S. long-equity assets across 2,884 reported positions as of its 2026-06-30 13F-HR filing. Its largest disclosed positions are NVDA (5.36%), GOOGL (2.66%), AMZN (2.58%). Quarter over quarter (versus its 2026-03-31 filing) the fund opened 201 new positions and exited 147; 1,713 existing positions rose in reported value and 703 fell.

AUM is the long-equity portion reported on Form 13F-HR. Excludes short positions, cash, foreign holdings, and non-13F assets. For informational purposes only — not investment advice.

Loading holdings…
AUM
$226.28B

Long-equity book

Holdings
2,884

Distinct positions

Period
2026-06-30

Filed 2026-08-12

Q/Q Activity
+201 / −147 / ↑1713 / ↓703

vs 2026-03-31

Portfolio charts

Latest quarter's book, what changed, and how the portfolio has evolved across filings.

Portfolio map

Q2 26
NVDA5.4% · -1%GOOGL2.7% · -4%AMZN2.6% · +1%AAPL2.4% · -24%MSFT2.4% · -10%GOOG1.4% · -4%META1.3% · +7%TSM1.3% · -2%AVGO1.3% · -18%TSLA1.3% · +3%LLY1.2% · +28%MU1.1% · +29%MA1.1% · -12%AMAT1.0% · -15%NFLX0.7% · +16%LRCX0.7% · +5%COST0.6% · -20%JPM0.6% · +7%APH0.5% · +30%AMD0.5% · +496%NET0.5% · +18%VRT0.5% · -6%DDOG0.4% · -1%CIEN0.4% · +246%HWM0.4% · -9%CDNS0.4% · +86%ISRG0.4% · -4%XOM0.3% · +7%JNJ0.3% · +2%GEV0.3% · +9%ASML0.3% · +3%SNOW0.3% · +7%GLW0.3% · +473%MRSH0.3% · -8%MRK0.3% · -12%KMB0.3% · +26%KLAC0.3% · +638%PLTR0.3% · +20%TJX0.3% · +9%AVUS0.3% · +10%UNH0.2% · +42%ADI0.2% · -56%ALNY0.2% · +3%SNPS0.2% · +100%BDX0.2% · +8%AVDE0.2% · +22%CAT0.2% · -22%WMB0.2% · +12%VZ0.2% · +13%VSAT0.2% · -0%GILD0.2% · -0%VIK0.2% · +95%IBKR0.2% · -3%MDT0.2% · +12%GS0.2% · +113%NSC0.2% · -25%PKG0.2% · -3%QCOM0.2% · +100%PL0.2% · +148%DUK0.2% · +12%

Box size = position value; colour = change in share count vs the prior quarter (green added, red trimmed, blue new). Rows split across managers or share classes are combined. Click a box for the stock.

Sector mix

% of 13F value

Sectors from each company's SIC code; funds and ETFs grouped separately.

Biggest buys and sells

Q1 26 → Q2 26

Estimated from the change in shares held × the quarter-end price, so price moves alone don't count as buying. New and exited positions are included.

13F assets and positions

4 quarters

Total reported 13F value (bars) and number of positions (line) each quarter. Value changes include market moves.

Top positions over time

reported value

The eight largest current positions, valued at each quarter end.

Concentration

top 10 = 22.1%

Cumulative share of the portfolio held in the largest N positions.

Firm Profile & Key People

Name Title / Status Ownership Type

Quarter-over-quarter changes

Changes in reported position value vs the prior 13F, so price moves count too, not just shares bought or sold.

American Century Companies, Inc. Holdings (2026-06-30)

Rows tagged Call or Put are options positions, not stock. Per SEC Form 13F-HR, Value shows the notional value of the underlying (shares covered × underlying price), not the option premium. Shares is the number of underlying shares covered (divide by 100 for contract count).

# Issuer Symbol CUSIP Value Weight Shares Type
1 NVIDIA CORPORATION NVDA 67066G104 $12.13B 5.36% 60,626,286 SH
2 ALPHABET INC GOOGL 02079K305 $6.02B 2.66% 16,841,559 SH
3 AMAZON COM INC AMZN 023135106 $5.83B 2.58% 24,455,378 SH
4 APPLE INC AAPL 037833100 $5.53B 2.44% 19,112,405 SH
5 MICROSOFT CORP MSFT 594918104 $5.41B 2.39% 14,512,326 SH
6 ALPHABET INC GOOG 02079K107 $3.20B 1.41% 9,047,039 SH
7 META PLATFORMS INC META 30303M102 $3.00B 1.33% 5,332,613 SH
8 TAIWAN SEMICONDUCTOR MANUFAC TSM 874039100 $2.97B 1.31% 6,223,473 SH
9 BROADCOM INC AVGO 11135F101 $2.96B 1.31% 7,847,715 SH
10 TESLA INC TSLA 88160R101 $2.93B 1.29% 6,961,359 SH
11 ELI LILLY & CO LLY 532457108 $2.82B 1.25% 2,354,837 SH
12 MICRON TECHNOLOGY INC MU 595112103 $2.45B 1.08% 2,121,016 SH
13 MASTERCARD INCORPORATED MA 57636Q104 $2.42B 1.07% 4,713,938 SH
14 APPLIED MATLS INC AMAT 038222105 $2.17B 0.96% 3,004,203 SH
15 NETFLIX INC. NFLX 64110L106 $1.60B 0.71% 22,424,271 SH
16 LAM RESEARCH CORP LRCX 512807306 $1.49B 0.66% 3,447,645 SH
17 COSTCO WHOLESALE CORPORATION COST 22160K105 $1.35B 0.60% 1,448,226 SH
18 JPMORGAN CHASE & CO JPM 46625H100 $1.31B 0.58% 4,008,406 SH
19 AMPHENOL CORP APH 032095101 $1.21B 0.54% 6,877,221 SH
20 ADVANCED MICRO DEVICES INC AMD 007903107 $1.09B 0.48% 1,869,689 SH
21 CLOUDFLARE INC NET 18915M107 $1.05B 0.46% 4,286,156 SH
22 VERTIV HOLDINGS CO VRT 92537N108 $1.05B 0.46% 3,129,427 SH
23 DATADOG INC DDOG 23804L103 $977.4M 0.43% 3,754,204 SH
24 CIENA CORP CIEN 171779309 $908.4M 0.40% 1,851,788 SH
25 HOWMET AEROSPACE INC HWM 443201108 $883.2M 0.39% 3,285,142 SH
26 CADENCE DESIGN SYSTEM INC CDNS 127387108 $858.9M 0.38% 2,288,432 SH
27 INTUITIVE SURGICAL INC ISRG 46120E602 $801.2M 0.35% 2,014,594 SH
28 EXXON MOBIL CORP XOM 30231G102 $770.8M 0.34% 5,637,812 SH
29 JOHNSON & JOHNSON JNJ 478160104 $748.1M 0.33% 2,945,732 SH
30 GE VERNOVA INC GEV 36828A101 $746.1M 0.33% 635,080 SH
31 ASML HLDG NV ASML N07059210 $739.9M 0.33% 371,924 SH
32 SNOWFLAKE INC SNOW 833445109 $718.6M 0.32% 2,823,407 SH
33 CORNING INC GLW 219350105 $661.2M 0.29% 2,588,427 SH
34 MARSH & MCLENNAN COS INC MRSH 571748102 $646.3M 0.29% 3,877,741 SH
35 MERCK & CO INC MRK 58933Y105 $625.3M 0.28% 4,865,967 SH
36 KIMBERLY-CLARK CORP KMB 494368103 $615.6M 0.27% 5,607,923 SH
37 KLA CORP KLAC 482480100 $610.7M 0.27% 2,024,263 SH
38 PALANTIR TECHNOLOGIES INC PLTR 69608A108 $600.3M 0.27% 5,145,531 SH
39 TJX COS INC NEW TJX 872540109 $598.6M 0.26% 3,950,845 SH
40 AMERICAN CENTY ETF TR AVUS 025072885 $582.7M 0.26% 4,549,423 SH
41 UNITEDHEALTH GROUP INC UNH 91324P102 $566.6M 0.25% 1,363,176 SH
42 ANALOG DEVICES INC ADI 032654105 $558.3M 0.25% 1,405,705 SH
43 ALNYLAM PHARMACEUTICALS INC ALNY 02043Q107 $558.1M 0.25% 1,853,956 SH
44 SYNOPSYS INC SNPS 871607107 $558.1M 0.25% 1,251,126 SH
45 BECTON DICKINSON & CO BDX 075887109 $556.4M 0.25% 3,676,534 SH
46 AMERICAN CENTY ETF TR AVDE 025072703 $547.6M 0.24% 6,138,581 SH
47 CATERPILLAR INC CAT 149123101 $546.2M 0.24% 512,935 SH
48 WILLIAMS COS INC WMB 969457100 $537.0M 0.24% 7,222,977 SH
49 VERIZON COMMUNICATIONS INC VZ 92343V104 $530.0M 0.23% 12,518,211 SH
50 VIASAT INC VSAT 92552V100 $515.2M 0.23% 5,736,575 SH
Filing History
Period Filed AUM Holdings Accession
2026-06-30 2026-08-12 $226.28B 2,884 0000748054-26-000005
2026-03-31 2026-05-15 $194.27B 2,830 0000748054-26-000002
2025-12-31 2026-02-13 $198.97B 2,811 0000748054-26-000001
2025-09-30 2025-11-12 $196.53B 2,779 0000748054-25-000009
Filer Information
Address
4500 MAIN STREET
KANSAS CITY, MO 64111
Phone
(816) 531-5575
Filing Manager
AMERICAN CENTURY COMPANIES INC
KANSAS CITY, MO
Signatory
Otis H. Cowan
Secretary