Login
Super Investors MARSHFIELD ASSOCIATES
MA

MARSHFIELD ASSOCIATES

Quarterly 13F snapshot: US-listed longs only, no performance figures — 13F data cannot support them.

Portfolio value
$4.26B
Positions
17
Quarter ended
June 30, 2026
Filed
August 14, 2026

Reported portfolio value by quarter (53 quarters reported)

$5.78B $1.25B
Q2 13 Q1 16 Q4 18 Q3 21 Q2 24 Q2 26

$1.28B in Q2 2013 → $4.26B now. Hover for any quarter.

Holdings

As reported for the quarter ended June 30, 2026. Activity is the change in share count since the prior quarter's filing.

Holding % of portfolio Activity Shares Value
Unitedhealth Group Inc 14.9% Trimmed 19% 1,526,157 $634M
Progressive Corp 11.0% Trimmed 12% 2,153,186 $470M
Autozone Inc 10.2% Trimmed 17% 136,373 $436M
Visa Inc 8.3% Trimmed 18% 1,034,433 $355M
AC Arch Cap Group Ltd 7.6% Added 9.2% 3,331,135 $323M
Mastercard Incorporated 6.9% Trimmed 4.6% 572,290 $294M
EI Expeditors Intl Wash Inc 5.9% Trimmed 20% 1,553,964 $253M
OA Oreilly Automotive Inc 5.9% Trimmed 22% 2,740,457 $252M
M Moodys Corp 4.5% Trimmed 22% 422,806 $191M
DP Dominos Pizza Inc 4.4% Trimmed 15% 638,541 $189M
Nike Inc 4.2% New 4,343,816 $178M
Nvr Inc 3.2% Trimmed 21% 20,141 $137M
TC Tjx Cos Inc New 3.1% Trimmed 20% 872,770 $132M
Ross Stores Inc 3.0% Trimmed 67% 595,704 $127M
DW Disney Walt Co 2.9% Trimmed 21% 1,298,132 $125M
Fastenal Co 2.9% Trimmed 22% 2,574,816 $124M
SE Strategic Ed Inc 1.0% Trimmed 30% 559,012 $42.8M

Timeline of changes

What changed each quarter, from the filings' own share counts. Largest moves first; most recent 8 quarters.

Q2 2026

quarter ended June 30, 2026 · filed August 14, 2026

Company Action Shares changed Value of change % of portfolio
Ross Stores Inc Trimmed −1,223,102 −$260M 3.0%
Cummins Inc Exited −448,781 −$241M —
Nike Inc New +4,343,816 +$178M 4.2%
Unitedhealth Group Inc Trimmed −364,532 −$152M 14.9%
Autozone Inc Trimmed −28,660 −$91.6M 10.2%
Visa Inc Trimmed −220,540 −$75.7M 8.3%
OA Oreilly Automotive Inc Trimmed −773,217 −$71.2M 5.9%
Progressive Corp Trimmed −302,198 −$66M 11.0%
EI Expeditors Intl Wash Inc Trimmed −399,041 −$65M 5.9%
M Moodys Corp Trimmed −116,187 −$52.6M 4.5%

Showing the 10 largest of 18 changes.

Q1 2026

quarter ended March 31, 2026 · filed May 15, 2026

Company Action Shares changed Value of change % of portfolio
Ross Stores Inc Trimmed −895,533 −$194M 7.9%
Cummins Inc Trimmed −314,867 −$169M 4.8%
Visa Inc Added +225,939 +$68.3M 7.6%
Unitedhealth Group Inc Added +232,202 +$62.8M 10.2%
SE Strategic Ed Inc Trimmed −685,592 −$56.9M 1.3%
OA Oreilly Automotive Inc Trimmed −392,970 −$36.3M 6.5%
Autozone Inc Trimmed −9,885 −$33.4M 11.2%
Fastenal Co Trimmed −440,308 −$20.4M 3.1%
AC Arch Cap Group Ltd Added +164,419 +$15.8M 5.9%
EI Expeditors Intl Wash Inc Trimmed −99,526 −$14.3M 5.6%

Showing the 10 largest of 17 changes.

Q4 2025

quarter ended December 31, 2025 · filed February 17, 2026

Company Action Shares changed Value of change % of portfolio
Ross Stores Inc Trimmed −1,306,074 −$235M 8.6%
Progressive Corp Added +948,281 +$216M 10.1%
Cummins Inc Trimmed −340,904 −$174M 6.8%
Mastercard Incorporated Added +32,969 +$18.8M 6.3%
DP Dominos Pizza Inc Added +40,477 +$16.9M 5.7%
EI Expeditors Intl Wash Inc Added +109,791 +$16.4M 5.4%
Visa Inc Added +46,241 +$16.2M 6.3%
AC Arch Cap Group Ltd Added +162,367 +$15.6M 4.9%
Unitedhealth Group Inc Added +45,239 +$14.9M 9.6%
M Moodys Corp Added +26,429 +$13.5M 5.0%

Showing the 10 largest of 17 changes.

Q3 2025

quarter ended September 30, 2025 · filed November 14, 2025

Company Action Shares changed Value of change % of portfolio
Unitedhealth Group Inc Added +594,960 +$205M 9.6%
Progressive Corp Added +653,763 +$161M 6.7%
Ross Stores Inc Added +157,385 +$24M 10.6%
Autozone Inc Added +5,293 +$22.7M 12.8%
Cummins Inc Added +48,493 +$20.5M 8.1%
SE Strategic Ed Inc Trimmed −224,516 −$19.3M 2.4%
Mastercard Incorporated Added +27,271 +$15.5M 5.8%
AC Arch Cap Group Ltd Added +141,223 +$12.8M 4.3%
SS SPDR Series Trust Exited −139,663 −$12.8M —
DP Dominos Pizza Inc Added +28,765 +$12.4M 5.6%

Showing the 10 largest of 19 changes.

Q2 2025

quarter ended June 30, 2025 · filed August 14, 2025

Company Action Shares changed Value of change % of portfolio
OA Oreilly Automotive Inc Added +3,568,040 +$322M 7.1%
Unitedhealth Group Inc New +1,018,288 +$318M 6.5%
Fastenal Co Added +1,991,619 +$83.6M 3.4%
Autozone Inc Trimmed −2,770 −$10.3M 12.7%
Ross Stores Inc Trimmed −43,155 −$5.51M 10.1%
TC Tjx Cos Inc New Trimmed −39,666 −$4.9M 2.7%
Progressive Corp Trimmed −13,552 −$3.62M 5.0%
SE Strategic Ed Inc Trimmed −38,930 −$3.31M 3.1%
DW Disney Walt Co Trimmed −24,554 −$3.04M 4.0%
Visa Inc Added +6,606 +$2.35M 6.9%

Showing the 10 largest of 19 changes.

Q1 2025

quarter ended March 31, 2025 · filed May 15, 2025

Company Action Shares changed Value of change % of portfolio
TC Tjx Cos Inc New Trimmed −1,152,362 −$140M 2.9%
OA Oreilly Automotive Inc Trimmed −18,401 −$26.4M 8.9%
Progressive Corp Added +63,996 +$18.1M 5.7%
Mastercard Incorporated Added +6,246 +$3.42M 6.7%
Visa Inc Added +6,790 +$2.38M 7.1%
Nvr Inc Added +256 +$1.85M 3.7%
Autozone Inc Trimmed −471 −$1.8M 14.0%
EI Expeditors Intl Wash Inc Added +14,127 +$1.7M 4.8%
M Moodys Corp Added +2,779 +$1.29M 5.2%
Cummins Inc Added +3,637 +$1.14M 7.1%

Showing the 10 largest of 17 changes.

Q4 2024

quarter ended December 31, 2024 · filed February 14, 2025

Company Action Shares changed Value of change % of portfolio
AC Arch Cap Group Ltd Trimmed −807,997 −$74.6M 5.1%
TC Tjx Cos Inc New Trimmed −68,110 −$8.23M 5.9%
Fastenal Co Trimmed −49,449 −$3.56M 3.1%
OA Oreilly Automotive Inc Added +2,185 +$2.59M 7.9%
Mastercard Incorporated Added +4,748 +$2.5M 6.4%
Autozone Inc Added +694 +$2.22M 11.8%
EI Expeditors Intl Wash Inc Added +9,592 +$1.06M 4.4%
SS SPDR Ser Tr Added +11,014 +$1.01M 0.3%
Ross Stores Inc Added +5,655 +$855K 12.8%
Cummins Inc Added +2,243 +$782K 7.9%

Showing the 10 largest of 18 changes.

Q3 2024

quarter ended September 30, 2024 · filed November 15, 2024

Company Action Shares changed Value of change % of portfolio
Nvr Inc Trimmed −9,103 −$89.3M 4.9%
Arch Capital Group Ltd Trimmed −279,986 −$31.3M 8.0%
Moody's Corp. Trimmed −6,134 −$2.91M 5.2%
Autozone Inc. Added +796 +$2.51M 11.3%
Ross Stores Inc Added +14,193 +$2.14M 12.5%
MC Mastercard Inc Class A Added +3,170 +$1.57M 5.8%
VC Visa Inc Cl A Added +5,579 +$1.53M 5.4%
O'reilly Automotive Inc Added +1,247 +$1.44M 7.4%
EI Expeditors International Of Wa Added +6,878 +$904K 5.1%
Strategic Education Inc Added +9,001 +$833K 3.6%

Showing the 10 largest of 17 changes.

Create Account

Sign up for free to unlock this feature.

Already have an account? Sign in

Premium Feature

This feature requires a premium subscription to unlock unlimited historical data and advanced analysis tools.

Premium includes:

  • Unlimited historical financial data
  • Advanced analytics and insights
  • Priority support