ARM HOLDINGS PLC

Ticker: ARM CUSIP: 042068205 Class: ADR

PRIMECAP MANAGEMENT CO/CA/'s Holding History (CIK: 0000763212)

Note: Option positions (PUT/CALL) are excluded.

Q4 2025
Shares 233,880 Value ($000) $25,565 Avg Close — Range —
Q3 2025
Shares 235,340 Value ($000) $33,298 Avg Close — Range —
Q2 2025
Shares 235,590 Value ($000) $38,104 Avg Close — Range —
Q1 2025
Shares 273,610 Value ($000) $29,219 Avg Close — Range —
Q4 2024
Shares 546,620 Value ($000) $67,431 Avg Close — Range —
Q3 2024
Shares 569,490 Value ($000) $81,443 Avg Close — Range —
Q2 2024
Shares 594,590 Value ($000) $97,287 Avg Close — Range —
Q1 2024
Shares 777,335 Value ($000) $97,159 Avg Close — Range —
Q4 2023
Shares 953,740 Value ($000) $71,669 Avg Close — Range —
Q3 2023
Shares 973,000 Value ($000) $52,075 Avg Close — Range —