American Century Companies Inc holds a diversified book of 2830 stocks worth $194.3B as of Q1 2026 (disclosed May 15, 2026, a ~45-day 13F lag). This quarter they opened AstraZeneca PLC and trimmed Nvidia Corp. Their largest long position is Nvidia Corp at 5% of the equity book.
Top-heavy: diversified book
Share of the disclosed book in its largest positions. A higher top-5 share means a more concentrated, higher-conviction portfolio.
97% mapped to company sectors
Direct operating-company sectors from our SIC-based security master. ETF/fund and unclassified holdings stay visible separately; this is not ETF look-through exposure.
Estimated $ traded · quarter-end prices, no cost basis
Other tracked managers holding the same core names as American Century Companies Inc
| Manager / fund | Shared names | Their $ in those |
|---|---|---|
| BlackRock, Inc. | 80 / 80 | $2.5T |
| FMR LLC | 80 / 80 | $912.8B |
| JPMORGAN CHASE & CO | 80 / 80 | $580.0B |
| MORGAN STANLEY | 80 / 80 | $555.3B |
| BANK OF AMERICA CORP /DE/ | 80 / 80 | $352.0B |
| Bank of New York Mellon Corp | 80 / 80 | $226.6B |
| ROYAL BANK OF CANADA | 80 / 80 | $164.4B |
| UBS Group AG | 80 / 80 | $146.5B |
Ranked by how many of American Century Companies Inc's top 80 disclosed names each fund also holds: a cross-fund conviction signal from the latest 13F of every tracked manager.
Bars show each stock's share of the portfolio. Click a row for its position history.
| # | Security | Value | Shares | % Port | Last move | History |
|---|---|---|---|---|---|---|
| 1 | Nvidia Corporation COM | $10.6B | 61.04M | 5.5% | ▼−3.6% Reduced · −2.3M sh | |
| 2 | Apple Inc COM | $6.4B | 25.21M | 3.3% | ▼−3.1% Reduced · −820K sh | |
| 3 | Microsoft Corp COM | $6.0B | 16.15M | 3.1% | ▲+6.8% Added · +1.0M sh | |
| 4 | Amazon Com Inc COM | $5.1B | 24.27M | 2.6% | ▼−8.8% Reduced · −2.3M sh | |
| 5 | Alphabet Inc CAP STK CL A | $5.0B | 17.49M | 2.6% | ▼−7.4% Reduced · −1.4M sh | |
| 6 | Broadcom Inc COM | $3.0B | 9.54M | 1.5% | ▲+2.0% Added · +188K sh | |
| 7 | Meta Platforms Inc CL A | $2.9B | 4.99M | 1.5% | ▼−0.8% Reduced · −41K sh | |
| 8 | Alphabet Inc CAP STK CL C | $2.7B | 9.38M | 1.4% | ▼−4.4% Reduced · −429K sh | |
| 9 | Mastercard Incorporated CL A | $2.7B | 5.36M | 1.4% | ▼−2.5% Reduced · −140K sh | |
| 10 | Tesla Inc COM | $2.5B | 6.76M | 1.3% | ▼−1.4% Reduced · −95K sh | |
| 11 | Taiwan Semiconductor Manufac SPONSORED ADS | $2.1B | 6.35M | 1.1% | ▼−5.7% Reduced · −386K sh | |
| 12 | Netflix Inc. COM | $1.9B | 19.40M | 1.0% | ▲+11% Added · +1.9M sh | |
| 13 | Costco Wholesale Corporation COM | $1.8B | 1.81M | 0.9% | ▲+3.7% Added · +65K sh | |
| 14 | Eli Lilly & Co COM | $1.7B | 1.85M | 0.9% | ▼−0.9% Reduced · −16K sh | |
| 15 | Applied Matls Inc COM | $1.2B | 3.54M | 0.6% | ▼−2.3% Reduced · −85K sh | |
| 16 | JPMorgan Chase & Co COM | $1.1B | 3.73M | 0.6% | ▲+0.7% Added · +24K sh | |
| 17 | Analog Devices Inc COM | $1.0B | 3.17M | 0.5% | ▼−4.0% Reduced · −133K sh | |
| 18 | Intuitive Surgical Inc COM NEW | $972.5M | 2.11M | 0.5% | ▲+0.3% Added · +6K sh | |
| 19 | Exxon Mobil Corp COM | $891.8M | 5.26M | 0.5% | ▼−0.6% Reduced · −30K sh | |
| 20 | Vertiv Holdings Co COM CL A | $833.5M | 3.33M | 0.4% | ▲+4.1% Added · +131K sh | |
| 21 | Howmet Aerospace Inc COM | $829.4M | 3.60M | 0.4% | ▼−8.9% Reduced · −352K sh | |
| 22 | Cloudflare Inc CL A COM | $748.4M | 3.63M | 0.4% | ▲+14% Added · +453K sh | |
| 23 | Marsh & McLennan Cos Inc COM | $734.4M | 4.23M | 0.4% | ▲+82% Added · +1.9M sh | |
| 24 | Abbvie Inc COM | $717.6M | 3.30M | 0.4% | ▼−5.6% Reduced · −197K sh | |
| 25 | Johnson & Johnson COM | $703.5M | 2.88M | 0.4% | ▼−18% Reduced · −617K sh | |
| 26 | Lam Research Corp COM NEW | $701.4M | 3.28M | 0.4% | ▲+29% Added · +738K sh | |
| 27 | Amphenol Corp CL A | $670.6M | 5.31M | 0.3% | ▼−9.0% Reduced · −525K sh | |
| 28 | Merck & Co Inc COM | $667.4M | 5.55M | 0.3% | ▲+3.3% Added · +179K sh | |
| 29 | Palantir Technologies Inc CL A | $626.1M | 4.28M | 0.3% | ▲+21% Added · +757K sh | |
| 30 | Alnylam Pharmaceuticals Inc COM | $596.3M | 1.80M | 0.3% | ▲+21% Added · +317K sh | |
| 31 | Norfolk Southn Corp COM | $582.3M | 2.03M | 0.3% | ▲~0% Added · +7 sh | |
| 32 | TJX Cos Inc New COM | $580.2M | 3.63M | 0.3% | ▲+8.5% Added · +284K sh | |
| 33 | Verizon Communications Inc COM | $554.9M | 11.05M | 0.3% | ▼−15% Reduced · −2.0M sh | |
| 34 | Gilead Sciences Inc COM | $554.5M | 3.98M | 0.3% | ▼−7.3% Reduced · −315K sh | |
| 35 | Micron Technology Inc COM | $553.9M | 1.64M | 0.3% | ▲+10% Added · +149K sh | |
| 36 | Becton Dickinson & Co COM | $535.5M | 3.41M | 0.3% | ▲+8.8% Added · +276K sh | |
| 37 | Ge Vernova Inc COM | $507.7M | 581.6K | 0.3% | ▲+6.3% Added · +34K sh | |
| 38 | Medtronic PLC SHS | $477.0M | 5.50M | 0.2% | ▲+13% Added · +650K sh | |
| 39 | Oracle Corp COM | $476.5M | 3.24M | 0.2% | ▼−24% Reduced · −1.0M sh | |
| 40 | ASML Hldg NV N Y REGISTRY SHS | $475.7M | 360.1K | 0.2% | ▲+33% Added · +90K sh | |
| 41 | Williams Cos Inc COM | $469.9M | 6.46M | 0.2% | ▼−5.5% Reduced · −379K sh | |
| 42 | Caterpillar Inc COM | $464.3M | 655.4K | 0.2% | ▲+2.6% Added · +17K sh | |
| 43 | American Centy ETF TR US EQT ETF | $460.6M | 4.14M | 0.2% | ▲+8.7% Added · +333K sh | |
| 44 | Datadog Inc CL A COM | $449.1M | 3.80M | 0.2% | ▲+4.3% Added · +156K sh | |
| 45 | Baker Hughes Company CL A | $444.1M | 7.27M | 0.2% | ▼−14% Reduced · −1.2M sh | |
| 46 | Packaging Corp Amer COM | $438.6M | 2.07M | 0.2% | ▼−4.2% Reduced · −90K sh | |
| 47 | Chevron Corporation COM | $436.4M | 2.11M | 0.2% | ▼−7.1% Reduced · −160K sh | |
| 48 | Regeneron Pharmaceuticals COM | $434.3M | 562.1K | 0.2% | ▲+1.9% Added · +11K sh | |
| 49 | Walmart Inc COM | $431.1M | 3.47M | 0.2% | ▼−5.0% Reduced · −185K sh | |
| 50 | Duke Energy Corp New COM NEW | $431.0M | 3.29M | 0.2% | ▲+5.6% Added · +174K sh |
The public view is the crawlable proof. The same sourced dataset is available through REST and MCP for agents, research scripts, and back-office tools.
This fund page is the Follow view. The Build view lets your agent pull holdings, quarter changes, overlap, and source filings through API or MCP.
curl -H "Authorization: Bearer YOUR_API_KEY" \ "https://arkolith.com/api/v1/funds/748054/holdings"
Use Arkolith to show AMERICAN CENTURY COMPANIES INC's latest holdings, largest changes, and filing provenance.
As-of date vs the date the SEC received each filing
| Quarter | As of | Filed | Positions | Value | Form |
|---|---|---|---|---|---|
| Q1 2026 | Mar 31, 2026 | May 15, 2026 | 2,830 | $194.3B | 13F-HR |
| Q4 2025 | Dec 31, 2025 | Feb 13, 2026 | 2,811 | $199.0B | 13F-HR |
| Q3 2025 | Sep 30, 2025 | Nov 12, 2025 | 2,779 | $196.5B | 13F-HR |
| Q2 2025 | Jun 30, 2025 | Aug 12, 2025 | 2,847 | $184.1B | 13F-HR |
| Q1 2025 | Mar 31, 2025 | May 13, 2025 | 2,881 | $163.0B | 13F-HR |
| Q4 2024 | Dec 31, 2024 | Feb 11, 2025 | 2,882 | $174.1B | 13F-HR |
| Q3 2024 | Sep 30, 2024 | Nov 12, 2024 | 2,878 | $172.1B | 13F-HR |
| Q2 2024 | Jun 30, 2024 | Aug 7, 2024 | 2,878 | $163.4B | 13F-HR |
| Q1 2024 | Mar 31, 2024 | May 14, 2024 | 2,924 | $159.1B | 13F-HR |
| Q4 2023 | Dec 31, 2023 | Feb 13, 2024 | 2,875 | $145.5B | 13F-HR |
| Q3 2023 | Sep 30, 2023 | Nov 30, 2023 | 2,840 | $129.6B | 13F-HR/A |
| Q2 2023 | Jun 30, 2023 | Aug 14, 2023 | 2,788 | $132.6B | 13F-HR |
| Q1 2023 | Mar 31, 2023 | May 11, 2023 | 2,667 | $126.9B | 13F-HR |
| Q4 2022 | Dec 31, 2022 | Feb 13, 2023 | 2,577 | $122.4B | 13F-HR |
| Q3 2022 | Sep 30, 2022 | Nov 14, 2022 | 2,433 | $113.6B | 13F-HR |
| Q2 2022 | Jun 30, 2022 | Aug 12, 2022 | 2,304 | $122.3B | 13F-HR |
| Q1 2022 | Mar 31, 2022 | May 11, 2022 | 2,278 | $146.3B | 13F-HR |
| Q4 2021 | Dec 31, 2021 | Feb 7, 2022 | 2,307 | $157.7B | 13F-HR |
| Q3 2021 | Sep 30, 2021 | Nov 10, 2021 | 2,285 | $146.1B | 13F-HR |
| Q2 2021 | Jun 30, 2021 | Aug 5, 2021 | 2,278 | $146.6B | 13F-HR |
| Q1 2021 | Mar 31, 2021 | May 14, 2021 | 2,193 | $136.1B | 13F-HR |
| Q4 2020 | Dec 31, 2020 | Feb 12, 2021 | 1,954 | $128.3B | 13F-HR |
| Q3 2020 | Sep 30, 2020 | Nov 13, 2020 | 1,800 | $112.8B | 13F-HR |
Holdings from SEC EDGAR 13F-HR filings, updated quarterly, filed up to 45 days after quarter-end. Public domain. The book and weighting are long equity only; disclosed put/call options are listed separately and excluded from those totals. Price-derived performance is withheld until the price-source policy and freshness gate are green.