13F

Investor

MARSHFIELD ASSOCIATES

CIK 0000914976 · filed 2026-05-15 · SEC filing

13F book

$4.99B

Positions

17

Largest name

11.2%

Autozone Inc · AZO

Est. mark

−$295.3M

Price effect on 17 names still held. Flow −$416.5M.
NameTickerSharesValueWeightEst. markChange
Autozone IncAZO165K$557.4M11.2%−$2.26MCut−$35.8M
Unitedhealth Group IncUNH1.89M$511.6M10.2%−$98.7MAdded−$35.9M
Progressive Corp2.46M$486.8M9.7%−$72.4MCut−$88.4M
Ross Stores, Inc.ROST1.82M$394M7.9%$66.4MCut−$95M
Visa Inc.V1.25M$379.3M7.6%−$49.9MAdded$18.4M
Oreilly Automotive Inc3.51M$324.3M6.5%$3.87MCut−$32M
Mastercard IncMA600.2K$299.9M6.0%−$42.7MCut−$57.9M
Arch Cap Group Ltd3.05M$292.9M5.9%$202.1KAdded$16M
Expeditors Intl Wash Inc1.95M$279.7M5.6%−$11.3MCut−$26.1M
Dominos Pizza IncDPZ755.1K$270.9M5.4%−$43.8MCut−$56.3M
Cummins IncCMI448.8K$241.5M4.8%$12.4MCut−$148.4M
Moodys Corp539K$235.1M4.7%−$40.2MCut−$52.8M
Tjx Cos Inc New1.09M$174.3M3.5%$6.65MCut−$5.29M
Nvr IncNVR25.4K$167.5M3.4%−$17.9MCut−$28.3M
Disney Walt Co1.64M$158.3M3.2%−$28.6MCut−$34.5M
Fastenal CoFAST3.31M$153.6M3.1%$20.7MCut$3.08M
Strategic Ed Inc792.9K$65.8M1.3%$2.19MCut−$52.8M

Positions as of Q1 2026. 13F filings arrive up to 45 days after quarter-end and omit shorts. Values are quarter-end marks, as filed. Estimated mark is the price effect on shares still held — not realized P&L or investment advice.