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Filers›Hedge Fund›AMERICAN CENTURY COMPANIES INC
DOSSIER · 13F-HR · Q1 2026

AMERICAN CENTURY COMPANIES INC

AMERICAN CENTURY COMPANIES's hedge fund based in Stamford, CT — $194.3B in tracked AUM across 2,830 positions as of Q1 2026.

AC
AMERICAN CENTURY COMPANIES·Stamford, CT·Hedge Fund
CIK 0000748054 · last filed Mar 31, 2026
Total AUM
$194.3B
▲ 13.5%
vs prior
Holdings
2,830
—
positions
Whale Score
71
71
strong
Activity
—
no data
changes this Q
Top sector
Tech
9% weight
concentration
AI Analysis · Q1 2026 · Q1 2026

American Century Companies ended Q1 2026 at $194.3B across 2,830 holdings, modestly lower than $199.0B. The active manager trimmed nearly every megacap leader — NVIDIA (-$1.2B, still the top holding at 5.48%), Amazon (-$1.1B), Alphabet (-$884M) and Apple (-$678M) — while building new stakes in Intuitive Surgical ($972M), Marsh & McLennan ($734M), Lam Research ($701M) and Micron ($554M). Adds in Vertiv, Costco and Netflix round out a quarter of disciplined profit-taking and selective redeployment.

Quarter at a glance — Q1 2026

Position-change comparison pending.

No quarter-over-quarter changes available.

Top 10 holdings

By portfolio weight as of Q1 2026.

#HoldingValueSharesWeight
01
NVDA
NVIDIA CORPORATION
$10.6B61.0M5.5%
02
AAPL
APPLE INC
$6.4B25.2M3.3%
03
MSFT
MICROSOFT CORP
$6.0B16.2M3.1%
04
AMZN
AMAZON COM INC
$5.1B24.3M2.6%
05
GOOGL
ALPHABET INC
$5.0B17.5M2.6%
06
AVGO
BROADCOM INC
$3.0B9.5M1.5%
07
META
META PLATFORMS INC
$2.9B5.0M1.5%
08
GOOG
ALPHABET INC
$2.7B9.4M1.4%
09
MA
MASTERCARD INCORPORATED
$2.7B5.4M1.4%
10
TSLA
TESLA INC
$2.5B6.8M1.3%

Filing history

Filing history loading…
AI Agent · grounded in AMERICAN
haiku-4-5 · 2,830 positions indexed
Sector mix
  • Tech9%
  • Financials18%
  • Cons. Disc.6%
  • Communications48%
  • Industrials11%
  • Other8%
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