PRIMECAP MANAGEMENT CO/CA/

5 filings 4 distinct issuers Active 2018-01-04 → 2026-08-06

Track Record

Total filings

1 SCHEDULE 13G · 4 SC

Distinct issuers

80% issuer diversity

Median stake

—

AI briefs cached

0/5

intent-classified filings

Filed	Form	Issuer	Stake	Shares
2026-08-06	SCHEDULE 13G	Amentum Holdings, Inc.AMTM	—	—	view →
2018-01-05	SC	Flex Pharma, Inc.DCOY	—	—	view →
2018-01-04	SC	Alkermes plc.ALKS	—	—	view →
2018-01-04	SC	Flex Pharma, Inc.DCOY	—	—	view →
2018-01-04	SC	AXCELIS TECHNOLOGIES INCACLS	—	—	view →

Free. We email you when criteria match. One-click unsubscribe in every email.

Custom alerts on filer activity · full feed access · daily intelligence · API. From $49/mo.