Terminal · Institutions

Every 13F-reported equity position this quarter, with its quarter-over-quarter change — each row traces back to the SEC filing.

PRIMECAP MANAGEMENT CO/CA/ 13F Holdings -- Portfolio & Top Positions (2026-06-30)

PRIMECAP MANAGEMENT CO/CA/ (CIK 763212) reported $169.11B across 324 reported positions in its SEC 13F filing for 2026-06-30. Largest positions: MU ($22.18B, 13.12%), LLY ($11.00B, 6.51%), INTC ($10.51B, 6.21%), KLAC ($6.20B, 3.66%), GOOGL ($5.31B, 3.14%). Source: SEC Form 13F.

RankTickerCompanyValue% PortfolioSharesAction
1MUMICRON TECHNOLOGY INC$22.18B13.12%19.2MTrimmed
2LLYELI LILLY & CO$11.00B6.51%9.2MTrimmed
3INTCINTEL CORP$10.51B6.21%75.3MTrimmed
4KLACKLA CORP$6.20B3.66%20.5MAdded
5GOOGLALPHABET INC$5.31B3.14%14.9MTrimmed
6FLEXFLEX LTD$3.79B2.24%23.4MTrimmed
7AZNASTRAZENECA PLC$3.43B2.03%18.1MTrimmed
8NVDANVIDIA CORPORATION$3.42B2.02%17.1MTrimmed
9BIIBBIOGEN INC$3.27B1.94%15.2MAdded
10AMZNAMAZON COM INC$2.85B1.69%12.0MTrimmed
11MSFTMICROSOFT CORP$2.66B1.58%7.1MTrimmed
12TSLATESLA INC$2.57B1.52%6.1MTrimmed
13FDXFEDEX CORP$2.55B1.51%8.2MTrimmed
14TXNTEXAS INSTRS INC$2.54B1.50%8.5MTrimmed
15LUVSOUTHWEST AIRLS CO$2.51B1.48%48.8MAdded
16AMGNAMGEN INC$2.45B1.45%6.8MTrimmed
17SCHWSCHWAB CHARLES CORP$2.32B1.37%25.1MAdded
18UALUNITED AIRLS HLDGS INC$2.24B1.32%16.5MAdded
19BSXBOSTON SCIENTIFIC CORP$2.16B1.28%50.5MAdded
20ROSTROSS STORES INC$1.94B1.15%9.1MTrimmed
21GOOGALPHABET INC$1.91B1.13%5.4MTrimmed
22BABAALIBABA GROUP HLDG LTD$1.79B1.06%18.6MTrimmed
23DALDELTA AIR LINES INC$1.64B0.97%17.5MTrimmed
24VVISA INC$1.46B0.87%4.3MAdded
25TJXTJX COS INC NEW$1.44B0.85%9.5MTrimmed

Source: SEC Form 13F filings · as of 2026-06-30