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AMERICAN CENTURY COMPANIES INC

Position in ARM — Arm Holdings PLC /Uk

CIK 748054 KANSAS CITY, MO

Position in ARM

as of Jun 30, 2026 · filed Aug 12, 2026
Position Value
$123,741,029
+$94,486,352 QoQ
Shares Held
348,989
+80.5% QoQ
Ownership
0.033%
of shares outstanding
% of Portfolio
0.06%
of 13F equity value
Holder Rank
#54
of 955 holders
Holding Since
Sep 2023
11 quarters on record
Voting authority Sole 86% Shared 14% None 0%

Common Shares in ARM Over Time

Shares Held

Position Value (USD)

Position in Semiconductors

Technology · as of Jun 30, 2026

AMERICAN CENTURY COMPANIES INC holds $25,492,382,782 across 47 Semiconductors names. ARM ranks #17 (0.5% of the industry book) .

# Ticker Company Shares Value (USD) Open

All Filings in ARM

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11 filing rows on record
Report Date Value (USD) Shares
2026-06-30 $123,741,029 348,989
2026-03-31 $29,254,677 193,381
2025-12-31 $59,519,076 544,498
2025-09-30 $80,690,473 570,291
2025-06-30 $96,490,849 596,580
2025-03-31 $75,112,348 703,365
2024-12-31 $40,867,194 331,284
2024-09-30 $15,742,683 110,081
2024-06-30 $5,884,756 35,966
2023-12-31 $70,594,218 939,440
2023-09-30 $54,800,466 1,023,925