AMERICAN CENTURY COMPANIES INC
Long book
$193.71B
Q1 2026
Positions
2823
Top-10 weight
24%
concentration
Last quarter
+13.0%
SPY +14.8%
Turnover
9%
of book per quarter
Strategy in plain words
auto-generated from filingsAMERICAN CENTURY COMPANIES INC is a mechanically diversified allocator, running a $193.71B US long book across 2823 positions.
The portfolio is broadly diversified across 2823 positions (top 10 only 24%). The book barely moves quarter to quarter — a patient, low-turnover holder. Current anchor positions: NVIDIA CORP, APPLE INC, MICROSOFT CORP, AMAZON.COM INC, ALPHABET INC-CL A.
Over the last 9 quarters its long book ran on average 0.5pp per quarter behind the S&P 500, beating the index in 1 of 9 quarters. Its holdings are mechanical (indexing / client flows), so position changes carry no stock-picking signal.
Implied long-book return vs S&P 500
methodology: positions priced quarterly, no shorts/options Fund long book S&P 500
Q1 2024
+2.5%
Q2 2024
+5.6%
Q3 2024
+2.3%
Q4 2024
-6.1%
Q1 2025
+10.2%
Q2 2025
+7.8%
Q3 2025
+2.2%
Q4 2025
-1.8%
Q1 2026
+13.0%
Sector allocation
Technology 31%
Industrials 15%
Financials 12%
Consumer discretionary 10%
Healthcare 8%
Services media 5%
Energy 5%
Other 5%
Long book by quarter
What does AMERICAN CENTURY own?
Q1 2026 13F| Company | Sector | Shares | Value | % of book | Change |
|---|---|---|---|---|---|
| NVDA NVIDIA CORP | Technology | 61.0M | $10.65B | 5.5% | -3.6% |
| AAPL APPLE INC | Technology | 25.2M | $6.40B | 3.3% | -3.1% |
| MSFT MICROSOFT CORP | Technology | 16.2M | $5.98B | 3.1% | +6.8% |
| AMZN AMAZON.COM INC | Consumer discretionary | 24.3M | $5.05B | 2.6% | -8.8% |
| GOOGL ALPHABET INC-CL A | Technology | 17.5M | $5.03B | 2.6% | -7.4% |
| AVGO BROADCOM INC | Technology | 9.5M | $2.95B | 1.5% | +2.0% |
| META META PLATFORMS INC-CLASS A | Technology | 5.0M | $2.86B | 1.5% | -0.8% |
| GOOG ALPHABET INC-CL C | Technology | 9.4M | $2.69B | 1.4% | -4.4% |
| MA MASTERCARD INC - A | Services media | 5.4M | $2.68B | 1.4% | -2.5% |
| TSLA TESLA INC | Industrials | 6.8M | $2.51B | 1.3% | -1.4% |
| NFLX NETFLIX INC | Services media | 19.4M | $1.87B | 1.0% | +10.8% |
| COST COSTCO WHOLESALE CORP | Consumer discretionary | 1.8M | $1.80B | 0.9% | +3.7% |
| LLY ELI LILLY & CO | Healthcare | 1.8M | $1.70B | 0.9% | -0.9% |
| AMAT APPLIED MATERIALS INC | Technology | 3.5M | $1.21B | 0.6% | -2.3% |
| JPM JPMORGAN CHASE & CO | Financials | 3.7M | $1.10B | 0.6% | +0.7% |
| ADI ANALOG DEVICES INC | Technology | 3.2M | $1.01B | 0.5% | -4.0% |
| ISRG INTUITIVE SURGICAL INC | Healthcare | 2.1M | $972.5M | 0.5% | +0.3% |
| XOM EXXON MOBIL CORP | Energy | 5.3M | $891.8M | 0.5% | -0.6% |
| VRT VERTIV HOLDINGS CO-A | Technology | 3.3M | $833.5M | 0.4% | +4.1% |
| HWM HOWMET AEROSPACE INC | Industrials | 3.6M | $829.4M | 0.4% | -8.9% |
| NET CLOUDFLARE INC - CLASS A | Technology | 3.6M | $748.4M | 0.4% | +14.3% |
| MRSH MARSH & MCLENNAN COS | Financials | 4.2M | $734.4M | 0.4% | +81.7% |
| ABBV ABBVIE INC | Healthcare | 3.3M | $717.6M | 0.4% | -5.6% |
| JNJ JOHNSON & JOHNSON | Healthcare | 2.9M | $703.5M | 0.4% | -17.7% |
| LRCX LAM RESEARCH CORP | Industrials | 3.3M | $701.4M | 0.4% | +29.0% |
| APH AMPHENOL CORP-CL A | Technology | 5.3M | $670.6M | 0.3% | -9.0% |
| MRK MERCK & CO. INC. | Healthcare | 5.5M | $667.4M | 0.3% | +3.3% |
| PLTR PALANTIR TECHNOLOGIES INC-A | Technology | 4.3M | $626.1M | 0.3% | +21.5% |
| ALNY ALNYLAM PHARMACEUTICALS INC | Healthcare | 1.8M | $596.3M | 0.3% | +21.4% |
| NSC NORFOLK SOUTHERN CORP | Industrials | 2.0M | $582.3M | 0.3% | 0.0% |
| TJX TJX COMPANIES INC | Consumer discretionary | 3.6M | $580.2M | 0.3% | +8.5% |
| VZ VERIZON COMMUNICATIONS INC | Communications | 11.1M | $554.9M | 0.3% | -15.4% |
| GILD GILEAD SCIENCES INC | Healthcare | 4.0M | $554.5M | 0.3% | -7.3% |
| MU MICRON TECHNOLOGY INC | Technology | 1.6M | $553.9M | 0.3% | +10.0% |
| BDX BECTON DICKINSON AND CO | Healthcare | 3.4M | $535.5M | 0.3% | +8.8% |
| GEV GE VERNOVA INC | Industrials | 581.6K | $507.7M | 0.3% | +6.3% |
| MDT MEDTRONIC PLC | Healthcare | 5.5M | $477.0M | 0.2% | +13.4% |
| ORCL ORACLE CORP | Technology | 3.2M | $476.5M | 0.2% | -24.2% |
| ASML ASML HOLDING NV-NY REG SHS | Industrials | 360.1K | $475.7M | 0.2% | +33.3% |
| WMB WILLIAMS COS INC | Utilities | 6.5M | $469.9M | 0.2% | -5.5% |
| CAT CATERPILLAR INC | Industrials | 655.4K | $464.3M | 0.2% | +2.6% |
| DDOG DATADOG INC - CLASS A | Technology | 3.8M | $449.1M | 0.2% | +4.3% |
| BKR BAKER HUGHES CO | Industrials | 7.3M | $444.1M | 0.2% | -13.7% |
| PKG PACKAGING CORP OF AMERICA | Other | 2.1M | $438.6M | 0.2% | -4.2% |
| CVX CHEVRON CORP | Energy | 2.1M | $436.4M | 0.2% | -7.1% |
| REGN REGENERON PHARMACEUTICALS | Healthcare | 562.1K | $434.3M | 0.2% | +1.9% |
| WMT WALMART INC | Consumer discretionary | 3.5M | $431.1M | 0.2% | -5.1% |
| DUK DUKE ENERGY CORP | Utilities | 3.3M | $431.0M | 0.2% | +5.6% |
| EPD ENTERPRISE PRODUCTS PARTNERS | Utilities | 11.4M | $430.8M | 0.2% | -23.4% |
| CSX CSX CORP | Industrials | 10.5M | $429.8M | 0.2% | -0.5% |
13F filing history
| Period | Form | Filed | Entries | Reported value | Flags | Source |
|---|---|---|---|---|---|---|
| Q1 2026 | 13F-HR | May 15, 2026 | 2830 | $194.27B | canonical | SEC ↗ |
| Q4 2025 | 13F-HR | Feb 13, 2026 | 2811 | $198.97B | canonical | SEC ↗ |
| Q3 2025 | 13F-HR | Nov 12, 2025 | 2779 | $196.53B | canonical | SEC ↗ |
| Q2 2025 | 13F-HR | Aug 12, 2025 | 2847 | $184.05B | canonical | SEC ↗ |
| Q1 2025 | 13F-HR | May 13, 2025 | 2881 | $162.99B | canonical | SEC ↗ |
| Q4 2024 | 13F-HR | Feb 11, 2025 | 2882 | $174.10B | canonical | SEC ↗ |
| Q3 2024 | 13F-HR | Nov 12, 2024 | 2878 | $172.14B | canonical | SEC ↗ |
| Q2 2024 | 13F-HR | Aug 7, 2024 | 2878 | $163.40B | canonical | SEC ↗ |
| Q1 2024 | 13F-HR | May 14, 2024 | 2924 | $159.12B | canonical | SEC ↗ |
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