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Super Investors Ultra Fund

Ultra Fund

American Century Mutual Funds, Inc. · net assets $25.8B · 65 holdings as of July 31, 2026. Monthly N-PORT disclosure: the full book, not just equities.

Asset mix

EC: 99.6% · RA: 0.2% · STIV: 0.2%

Financial position

Total assets
$25.9B
Total liabilities
$90.6M
Net assets
$25.8B
Assets attributable to miscellaneous securities
$0
Assets invested in controlled foreign corporations
$0
Borrowings payable within one year
$0
Payable to controlled companies within one year
$0
Payable to other affiliates within one year
$0
Other liabilities payable within one year
$0
Borrowings payable after one year
$0
Payable to controlled companies after one year
$0
Payable to other affiliates after one year
$0
Other liabilities payable after one year
$0
Payables for delayed-delivery investments
$0
Payables for standby commitments
$0
Liquidation preference of outstanding preferred stock
$0
Cash not reported in Parts C or D
$0

Monthly flows and gains

Month 1 Month 2 Month 3
Sales $75.1M $77.9M $72.5M
Reinvestment $0 $0 $0
Redemptions $276M $275M $252M
Net realized gain (non-derivative) $76.9M $1.84B $276M
Net unrealized appreciation (non-derivative) $1.64B $-2.84B $-1.19B

The three months of the reporting period, as filed; month 3 ends July 31, 2026.

Filing details

Registrant
American Century Mutual Funds, Inc.
Registrant CIK
100334
Registrant LEI
549300DMFK0SMVLOE939
Series
Ultra Fund
Series ID
S000006195
Series LEI
F6OVJ18MFLNHYYI4ZV69
SEC file number
811-00816
Address
4500 Main St, Kansas City, US-MO, 64111, US
Phone
816-531-5575
Form
NPORT-P
Filed
September 29, 2026
Report period ends
October 31, 2026
Report month ends
July 31, 2026
Accession number
000119312526407341
Holding Value % of net assets
Nvidia Corp EC $4.14B 16.05%
Alphabet Inc EC $1.64B 6.37%
Microsoft Corp EC $1.62B 6.26%
Amazon.com Inc EC $1.53B 5.93%
Apple Inc EC $1.52B 5.91%
Alphabet Inc EC $1.43B 5.54%
Eli Lilly & Co EC $891M 3.46%
Tesla Inc EC $869M 3.37%
Mastercard Inc EC $855M 3.32%
Meta Platforms Inc EC $728M 2.82%
Broadcom Inc EC $693M 2.69%
Applied Materials Inc EC $633M 2.45%
Cloudflare Inc EC $546M 2.12%
Amphenol Corp EC $507M 1.96%
Datadog Inc EC $441M 1.71%
Ciena Corp EC $406M 1.57%
Netflix Inc EC $401M 1.55%
Asml Holding Nv EC $399M 1.55%
Micron Technology Inc EC $370M 1.44%
Vertiv Holdings Co EC $369M 1.43%
Synopsys Inc EC $336M 1.30%
Costco Wholesale Corp EC $323M 1.25%
Howmet Aerospace Inc EC $312M 1.21%
Interactive Brokers Group Inc EC $304M 1.18%
Snowflake Inc EC $272M 1.06%
Palantir Technologies Inc EC $226M 0.88%
Intuitive Surgical Inc EC $220M 0.85%
Corning Inc EC $219M 0.85%
Planet Labs Pbc EC $206M 0.80%
Advanced Micro Devices Inc EC $196M 0.76%
Westinghouse Air Brake Technologies Corp EC $190M 0.74%
Lam Research Corp EC $176M 0.68%
Oracle Corp EC $170M 0.66%
Viking Holdings Ltd EC $167M 0.65%
Ascendis Pharma A/s EC $162M 0.63%
Acuity Brands EC $162M 0.63%
Fair Isaac Corp EC $149M 0.58%
Samsung Electronics Co Ltd EC $146M 0.57%
Idexx Laboratories Inc EC $144M 0.56%
Alnylam Pharmaceuticals Inc EC $141M 0.55%
Ecolab Inc EC $140M 0.54%
Johnson Controls International PLC EC $138M 0.53%
Advanced Drainage Systems Inc EC $135M 0.52%
Vertex Pharmaceuticals Inc EC $103M 0.40%
Chipotle Mexican Grill Inc EC $82M 0.32%
Okta Inc EC $79.3M 0.31%
Heico Corp EC $74.5M 0.29%
Eog Resources Inc EC $73.8M 0.29%
Donaldson Co Inc EC $73.4M 0.28%
Zscaler Inc EC $69.6M 0.27%
Rolls-royce Holdings PLC EC $69.2M 0.27%
Nordson Corp EC $67.9M 0.26%
Booking Holdings Inc EC $67.3M 0.26%
Cintas Corp EC $61.4M 0.24%
Dynatrace Inc EC $58.3M 0.23%
State Street Bank & Trust Co RA $55.2M 0.21%
Tradeweb Markets Inc EC $51M 0.20%
Docusign Inc EC $47.8M 0.19%
Visa Inc EC $46.1M 0.18%
Wingstop Inc EC $46M 0.18%

Showing top 60 of 65 holdings.

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