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American Century Companies Inc: 13F portfolio Q2 2026 and what copying it returned
American Century Companies Inc's 13F for the quarter ended 2026-06-30 (filed Aug 12, 2026): 400 common-share positions, $226.3B reported. Copying each 13F the day after it was filed returned +19.1% from May 15, 2025 to Nov 6, 2026, against +25.1% for SPY.
Copying the 13F
Each 13F bought at the close of the first trading day after it was filed and held, drifting, until the next one; value-weighted over the common-share positions with a price (94.6% of the portfolio on average); 6 filings since May 13, 2025. Price returns for the clone and SPY alike (no dividends, no costs). A 13F lists only US long positions at quarter end, reported up to 45 days later.
Largest holdings (2026-06-30)
| Ticker | Company | Weight | Value | Change in the quarter |
|---|---|---|---|---|
| NVDA | NVIDIA | 5.4% | $12.1B | -0.7% |
| GOOGL | Alphabet | 2.7% | $6.0B | -3.7% |
| AMZN | Amazon.com | 2.6% | $5.8B | +0.8% |
| AAPL | Apple | 2.4% | $5.5B | -24.2% |
| MSFT | Microsoft | 2.4% | $5.4B | -10.1% |
| GOOG | Alphabet | 1.4% | $3.2B | -3.6% |
| META | Meta Platforms | 1.3% | $3.0B | +6.8% |
| TSM | Taiwan Semiconductor Manufacturing | 1.3% | $3.0B | -2.0% |
| AVGO | Broadcom | 1.3% | $3.0B | unchanged |
| TSLA | Tesla | 1.3% | $2.9B | +2.9% |
| LLY | ELI Lilly | 1.2% | $2.8B | +27.6% |
| MU | Micron Technology | 1.1% | $2.4B | +29.4% |
| MA | Mastercard | 1.1% | $2.4B | -12.1% |
| AMAT | Applied Materials | 1.0% | $2.2B | -15.2% |
| NFLX | Netflix | 0.7% | $1.6B | +15.6% |
| LRCX | LAM Research | 0.7% | $1.5B | +5.0% |
| COST | Costco Wholesale | 0.6% | $1.4B | -19.8% |
| JPM | JPMorgan Chase | 0.6% | $1.3B | +7.4% |
| APH | Amphenol | 0.5% | $1.2B | +29.6% |
| AMD | Advanced Micro Devices | 0.5% | $1.1B | +496.0% |
| NET | Cloudflare | 0.5% | $1.1B | +18.2% |
| VRT | Vertiv Holdings | 0.5% | $1.0B | -5.9% |
| DDOG | Datadog | 0.4% | $977M | -1.3% |
| CIEN | Ciena | 0.4% | $908M | +245.6% |
| HWM | Howmet Aerospace | 0.4% | $883M | -8.7% |
Biggest adds
- BTSG new
- HONA new
- SPCX new
- HON new
- OGC new
- CDNL new
- SPHY new
- CELC new
Biggest cuts
- KVYO exit
Track record
Of 75 position changes scored in 75 separate decisions, 44.0% were on the right side of SPY over the next three months (Disclosures → Smart money).
Open in Disclosures → every quarter, the clone month by month, the smart-money record
Source: SEC Form 13F-HR, filer CIK 748054. Not investment advice.