1y return+35.4%S&P 500 +20.9%
3y return+74.0%S&P 500 +68.5%
5y return+70.2%S&P 500 +74.5%
10y return+271.1%S&P 500 +256.5%
These returns are for its stock picks as disclosed on Form 13F: last quarter's holdings, valued at this quarter's prices. They miss trades within each quarter, short positions, options, bonds, cash and fees, so they aren't the returns its clients got.
$100 invested in its stock picks
Since June 30, 2016: $371 against $357 in the S&P 500.2
Primecap Management Co/ca/S&P 500 (SPY)
Top holdings
At the end of June 30, 2026. Change is in shares since the quarter before.2
| Stock | Value | Share of portfolio | Change |
|---|---|---|---|
| MUMicron Technology Inc | $22.2B | 13.1% | −12.1% |
| LLYEli Lilly & Co | $11.0B | 6.5% | |
| INTCIntel Corp | $10.5B | 6.2% | |
| KLACKla Corp | $6.2B | 3.7% | +742.5% |
| GOOGLAlphabet Inc | $5.3B | 3.1% | |
| Flex LtdCUSIP Y2573F102 | $3.8B | 2.2% | −8.0% |
| Astrazeneca PLCCUSIP G0593M107 | $3.4B | 2.0% | |
| NVDANvidia Corporation | $3.4B | 2.0% | |
| BIIBBiogen Inc | $3.3B | 1.9% | +2.7% |
| AMZNAmazon Com Inc | $2.9B | 1.7% | −1.2% |
| MSFTMicrosoft Corp | $2.7B | 1.6% | −1.7% |
| TSLATesla Inc | $2.6B | 1.5% | |
| FDXFedex Corp | $2.6B | 1.5% | −1.8% |
| TXNTexas Instrs Inc | $2.5B | 1.5% | −11.8% |
| LUVSouthwest Airls Co | $2.5B | 1.5% | +3.7% |
| AMGNAmgen Inc | $2.4B | 1.4% | −23.9% |
| SCHWSchwab Charles Corp | $2.3B | 1.4% | +7.2% |
| UALUnited Airls Hldgs Inc | $2.2B | 1.3% | +4.5% |
| BSXBoston Scientific Corp | $2.2B | 1.3% | +55.3% |
| ROSTRoss Stores Inc | $1.9B | 1.1% | |
| GOOGAlphabet Inc | $1.9B | 1.1% | −5.6% |
| BABAAlibaba Group Hldg Ltd | $1.8B | 1.1% | |
| DALDelta Air Lines Inc | $1.6B | 1.0% | |
| VVisa Inc | $1.5B | 0.9% | +5.1% |
| BMYBristol-myers Squibb Co | $1.4B | 0.8% |
Best picks still held
How each current holding has done since the quarter it first appeared in its filings (up to six years back).
| Stock | Held since | Return since | Now worth |
|---|---|---|---|
| NVDANvidia Corporation | June 30, 2020 | +2006.7% | $3.4B |
| Flex LtdCUSIP Y2573F102 | June 30, 2020 | +1481.2% | $3.8B |
| JBLJabil Inc | June 30, 2020 | +1101.6% | $1.2B |
| LLYEli Lilly & Co | June 30, 2020 | +630.6% | $11.0B |
| GOOGLAlphabet Inc | June 30, 2020 | +404.0% | $5.3B |
| GOOGAlphabet Inc | June 30, 2020 | +399.9% | $1.9B |
| UALUnited Airls Hldgs Inc | June 30, 2020 | +292.9% | $2.2B |
| NTAPNetapp Inc | June 30, 2020 | +248.8% | $1.4B |
| JPMJpmorgan Chase & Co | June 30, 2020 | +248.0% | $1.1B |
| DALDelta Air Lines Inc | June 30, 2020 | +233.9% | $1.6B |
Sold off last quarter
- Carnival CorpCUSIP 143658300 was $138.8M
- Honeywell Intl IncCUSIP 438516106 was $110.3M
- Dupont De Nemours IncCUSIP 26614N102 was $91.5M
- CTRACoterra Energy Inc was $80.5M
- FITBFifth Third Bancorp was $9.1M
- Amicus TherapeuticCUSIP 03152W109 was $8.5M
- Onestream IncCUSIP 68278B107 was $468K
- HCATHealth Catalyst Inc was $432K
- Medtronic PLCCUSIP G5960L103 was $211K
Quarter by quarter
| Quarter | Its picks | S&P 500 |
|---|---|---|
| June 30, 2026 | +14.3% | +14.8% |
| March 31, 2026 | −2.5% | −4.6% |
| December 31, 2025 | +9.6% | +2.4% |
| September 30, 2025 | +10.9% | +7.8% |
| June 30, 2025 | +8.5% | +10.5% |
| March 31, 2025 | −3.0% | −4.6% |
| December 31, 2024 | −1.4% | +2.1% |
| September 30, 2024 | +0.8% | +5.4% |
| June 30, 2024 | +3.9% | +4.0% |
| March 31, 2024 | +8.5% | +10.0% |
| December 31, 2023 | +9.3% | +11.2% |
| September 30, 2023 | −0.2% | −3.6% |
| June 30, 2023 | +8.6% | +8.3% |
| March 31, 2023 | +6.4% | +7.0% |
| December 31, 2022 | +9.3% | +7.1% |
| September 30, 2022 | −6.5% | −5.3% |
| June 30, 2022 | −14.3% | −16.5% |
| March 31, 2022 | −5.6% | −4.9% |
| December 31, 2021 | +6.4% | +10.7% |
| September 30, 2021 | −3.7% | +0.3% |
Sources
Every number on this page points here. Each one links to the public record.
- 1SEC EDGAR: Primecap Management Co/ca/ Form 13F filingshttps://www.sec.gov/cgi-bin/browse-edgar?action=getcompany&CIK=763212&type=13F-HR&dateb=&owner=include&count=40CIK 763212
- 2SEC: 13F for the quarter ended June 30, 2026https://www.sec.gov/Archives/edgar/data/763212/000076321226000028/Filed August 14, 2026 · accession 0000763212-26-000028