Primecap Management Co/Ca/ - Significant Ownership

Signature - Title
Jorge A. Rodriguez - Deputy Chief Compliance Officer
Location
Pasadena, CA
Summary
This page shows a list of all the recent SCHEDULE 13D/G filings made by Primecap Management Co/Ca/.

Significant Ownership of Primecap Management Co/Ca/

Sym Company Class Ownership Holdings Value Net Change Nb Shares Change % Reporting Name Report Period
XNCR Xencor, Inc. COM 14.79% $84.7M 10.5M PRIMECAP MANAGEMENT CO/CA/ Jun 30, 2025
XMTR Xometry, Inc. COM 12.98% $133M 6.34M PRIMECAP MANAGEMENT CO/CA/ Mar 31, 2025
LUNG Pulmonx Corporation COM 12.16% $8.03M -$742K 4.96M -8.46% PRIMECAP MANAGEMENT CO/CA/ Sep 30, 2025
MAT Mattel, Inc. COM 10.29% $597M 33.2M PRIMECAP MANAGEMENT CO/CA/ Jun 30, 2025
BIIB Biogen Inc. COM 10.2% $2.09B 15M PRIMECAP MANAGEMENT CO/CA/ Sep 30, 2025
LIVN LivaNova PLC COM 8.76% $162M 4.75M PRIMECAP MANAGEMENT CO/CA/ Dec 31, 2024
BMRN BioMarin Pharmaceutical Inc. COM 8.24% $925M 15.8M PRIMECAP MANAGEMENT CO/CA/ Jun 30, 2025
FLEX Flex Ltd. COM 7.89% $1.72B -$235M 29.6M -12% PRIMECAP MANAGEMENT CO/CA/ Sep 30, 2025
AAL American Airlines Group Inc. COM 7.52% $558M 49.6M PRIMECAP MANAGEMENT CO/CA/ Sep 30, 2025
IMCR Immunocore Holdings plc - ADR ADR 7.51% $122M $35.6M 3.77M +41.4% PRIMECAP MANAGEMENT CO/CA/ Jun 30, 2025
ACM AECOM COM 7.24% $1.2B -$226M 9.58M -15.8% PRIMECAP MANAGEMENT CO/CA/ Jun 30, 2025
RYTM Rhythm Pharmaceuticals, Inc. COM 6.42% $431M -$62.1M 4.26M -12.6% PRIMECAP MANAGEMENT CO/CA/ Sep 30, 2025
MKTX MarketAxess Holdings Inc. COM 5.97% $389M 2.23M PRIMECAP MANAGEMENT CO/CA/ Sep 30, 2025
UAL United Airlines Holdings, Inc. COM 5.75% $1.96B 18.8M PRIMECAP MANAGEMENT CO/CA/ Jun 30, 2025
GRAL GRAIL, Inc. COM 5.72% $70.4M 2.06M PRIMECAP MANAGEMENT CO/CA/ Jun 30, 2025
FDX FedEx Corporation COM 4.98% $2.48B 11.9M PRIMECAP MANAGEMENT CO/CA/ Mar 31, 2025
NTAP NetApp, Inc. COM 4.82% $1.14B -$307M 9.63M -21.2% PRIMECAP MANAGEMENT CO/CA/ Sep 30, 2025
NFE New Fortress Energy Inc. COM 4.76% $77M 13M PRIMECAP MANAGEMENT CO/CA/ Mar 31, 2025
RJF Raymond James Financial, Inc. COM 4.74% $1.32B 9.72M PRIMECAP MANAGEMENT CO/CA/ Mar 31, 2025
FGEN FibroGen, Inc. COM 4.58% $1.2M 4.62M PRIMECAP MANAGEMENT CO/CA/ Dec 31, 2024
WOLF Wolfspeed, Inc. COM 4.28% $14.5M 6.67M PRIMECAP MANAGEMENT CO/CA/ Mar 31, 2025
RIG Transocean Ltd. COM 1.49% $41.6M 13.1M PRIMECAP MANAGEMENT CO/CA/ Jun 30, 2025

Schedules 13D/G Reported by Primecap Management Co/Ca/:

Sym Target Class Ownership Change Current Shares Change Value Reporting name Form Report Period Date Filed
* An asterisk sign (*) next to the price indicates that the price is likely invalid.