Top Institutional Investors

AMERICAN CENTURY COMPANIES INC — 13F Holdings & Portfolio

CIK 748054 · latest 13F-HR filed 2026-05-15

Backtest portfolio

AMERICAN CENTURY COMPANIES INC manages $194.27B in 13F-reported U.S. long-equity assets across 2,830 reported positions as of its 2026-03-31 13F-HR filing. Its largest disclosed positions are NVDA (5.48%), AAPL (3.29%), MSFT (3.08%). Quarter over quarter (versus its 2025-12-31 filing) the fund opened 140 new positions, exited 121, added to 1,350, and trimmed 962.

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

$194.27B

Long-equity book

Holdings

2,830

Distinct positions

Period

2026-03-31

Filed 2026-05-15

Q/Q Activity

+140 / −121 / ↑1350 / ↓962

vs 2025-12-31

Firm Profile & Key People
Name Title / Status Ownership Type

Top Adds (vs prior quarter)

  • VERTIV HOLDINGS CO$315.8M +61.0%
  • MARSH & MCLENNAN COS INC$302.1M +69.9%
  • COSTCO WHOLESALE CORPORATION$298.2M +19.9%
  • APPLIED MATLS INC$278.7M +29.9%
  • LAM RESEARCH CORP$265.7M +61.0%
Show all 1350 →

Top Trims

  • MICROSOFT CORP-$1.34B -18.3%
  • NVIDIA CORPORATION-$1.16B -9.8%
  • AMAZON COM INC-$1.09B -17.7%
  • ALPHABET INC-$883.6M -14.9%
  • APPLE INC-$678.4M -9.6%
Show all 962 →

New Positions

  • ASTRAZENECA PLC$356.4M
  • SUNBELT RENTALS HOLDINGS INC$126.7M
  • AKAMAI TECHNOLOGIES INC$60.0M
  • EQUIPMENTSHARE COM INC$59.3M
  • PIPER SANDLER COMPANIES$56.8M
Show all 140 →

Exited Positions

  • ASTRAZENECA PLC$316.5M
  • ICON PLC$189.1M
  • NEW GOLD INC CDA$149.3M
  • CIVITAS RESOURCES INC$72.6M
  • SYNOVUS FINL CORP$68.6M
Show all 121 →
All Holdings

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 $10.65B 5.48% 61,043,097 SH
2 APPLE INC AAPL 037833100 $6.40B 3.29% 25,211,083 SH
3 MICROSOFT CORP MSFT 594918104 $5.98B 3.08% 16,151,639 SH
4 AMAZON COM INC AMZN 023135106 $5.05B 2.60% 24,268,620 SH
5 ALPHABET INC GOOGL 02079K305 $5.03B 2.59% 17,490,949 SH
6 BROADCOM INC AVGO 11135F101 $2.95B 1.52% 9,541,206 SH
7 META PLATFORMS INC META 30303M102 $2.86B 1.47% 4,992,476 SH
8 ALPHABET INC GOOG 02079K107 $2.69B 1.39% 9,380,500 SH
9 MASTERCARD INCORPORATED MA 57636Q104 $2.68B 1.38% 5,361,694 SH
10 TESLA INC TSLA 88160R101 $2.51B 1.29% 6,762,692 SH
11 TAIWAN SEMICONDUCTOR MANUFAC TSM 874039100 $2.15B 1.10% 6,348,986 SH
12 NETFLIX INC. NFLX 64110L106 $1.87B 0.96% 19,401,508 SH
13 COSTCO WHOLESALE CORPORATION COST 22160K105 $1.80B 0.93% 1,806,389 SH
14 ELI LILLY & CO LLY 532457108 $1.70B 0.87% 1,845,922 SH
15 APPLIED MATLS INC AMAT 038222105 $1.21B 0.62% 3,543,844 SH
16 JPMORGAN CHASE & CO JPM 46625H100 $1.10B 0.57% 3,731,520 SH
17 ANALOG DEVICES INC ADI 032654105 $1.01B 0.52% 3,167,395 SH
18 INTUITIVE SURGICAL INC ISRG 46120E602 $972.5M 0.50% 2,109,524 SH
19 EXXON MOBIL CORP XOM 30231G102 $891.8M 0.46% 5,256,636 SH
20 VERTIV HOLDINGS CO VRT 92537N108 $833.5M 0.43% 3,326,325 SH
21 HOWMET AEROSPACE INC HWM 443201108 $829.4M 0.43% 3,599,070 SH
22 CLOUDFLARE INC NET 18915M107 $748.4M 0.39% 3,627,255 SH
23 MARSH & MCLENNAN COS INC MRSH 571748102 $734.4M 0.38% 4,234,327 SH
24 ABBVIE INC ABBV 00287Y109 $717.6M 0.37% 3,299,346 SH
25 JOHNSON & JOHNSON JNJ 478160104 $703.5M 0.36% 2,877,878 SH
26 LAM RESEARCH CORP LRCX 512807306 $701.4M 0.36% 3,282,745 SH
27 AMPHENOL CORP APH 032095101 $670.6M 0.35% 5,307,856 SH
28 MERCK & CO INC MRK 58933Y105 $667.4M 0.34% 5,547,858 SH
29 PALANTIR TECHNOLOGIES INC PLTR 69608A108 $626.1M 0.32% 4,280,120 SH
30 ALNYLAM PHARMACEUTICALS INC ALNY 02043Q107 $596.3M 0.31% 1,802,363 SH
31 NORFOLK SOUTHN CORP NSC 655844108 $582.3M 0.30% 2,028,936 SH
32 TJX COS INC NEW TJX 872540109 $580.2M 0.30% 3,632,947 SH
33 VERIZON COMMUNICATIONS INC VZ 92343V104 $554.9M 0.29% 11,053,143 SH
34 GILEAD SCIENCES INC GILD 375558103 $554.5M 0.29% 3,978,823 SH
35 MICRON TECHNOLOGY INC MU 595112103 $553.9M 0.29% 1,639,439 SH
36 BECTON DICKINSON & CO BDX 075887109 $535.5M 0.28% 3,405,917 SH
37 GE VERNOVA INC GEV 36828A101 $507.7M 0.26% 581,605 SH
38 MEDTRONIC PLC MDT G5960L103 $477.0M 0.25% 5,504,355 SH
39 ORACLE CORP ORCL 68389X105 $476.5M 0.25% 3,239,249 SH
40 ASML HLDG NV ASML N07059210 $475.7M 0.24% 360,140 SH
41 WILLIAMS COS INC WMB 969457100 $469.9M 0.24% 6,456,552 SH
42 CATERPILLAR INC CAT 149123101 $464.3M 0.24% 655,375 SH
43 AMERICAN CENTY ETF TR AVUS 025072885 $460.6M 0.24% 4,143,011 SH
44 DATADOG INC DDOG 23804L103 $449.1M 0.23% 3,804,623 SH
45 BAKER HUGHES COMPANY BKR 05722G100 $444.1M 0.23% 7,274,970 SH
46 PACKAGING CORP AMER PKG 695156109 $438.6M 0.23% 2,066,537 SH
47 CHEVRON CORPORATION CVX 166764100 $436.4M 0.22% 2,109,310 SH
48 REGENERON PHARMACEUTICALS REGN 75886F107 $434.3M 0.22% 562,097 SH
49 WALMART INC WMT 931142103 $431.1M 0.22% 3,468,512 SH
50 DUKE ENERGY CORP NEW DUK 26441C204 $431.0M 0.22% 3,291,616 SH
Filing History
Period Filed AUM Holdings Accession
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