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Douglass Winthrop Advisors 13F Portfolio

Portfolio Manager
Douglass Winthrop Advisors LLC
Performance
+5.83% (2026 Q2)
AUM (13F)
$5.80B
# of Holdings
308
Performance Rank
Allocation (Top 20)
54.24%
Latest filing
Q2 2026

Douglass Winthrop Advisors LLC Holdings Map

Top 50 Douglass Winthrop Advisors LLC Holdings

Top 10 holdings

StockCompany% Port.SharesValueActivityOwnershipAvg. CostDate
BRK.B
BERKSHIRE HATHAWAY INC
7.82%905.6K$453.2M
+3.51%(+30.67K)
2025-Q2: 869.8K shares2025-Q3: 884.8K shares2025-Q4: 879.1K shares2026-Q1: 875.0K shares2026-Q2: 905.6K shares
$170.30(+194.38%)
2026-06-30
AMZN
AMAZON COM INC
5.1%1.24M$295.4M
+0.35%(+4.34K)
2025-Q2: 1.19M shares2025-Q3: 1.21M shares2025-Q4: 1.20M shares2026-Q1: 1.24M shares2026-Q2: 1.24M shares
$138.78(+89.18%)
2026-06-30
MSFT
MICROSOFT CORP
5.04%782.9K$292.1M
+9.50%(+67.93K)
2025-Q2: 637.2K shares2025-Q3: 658.0K shares2025-Q4: 695.9K shares2026-Q1: 715.0K shares2026-Q2: 782.9K shares
$143.11(+239.64%)
2026-06-30
AAPL
APPLE INC COM
3.64%729.8K$211.2M
+0.98%(+7.12K)
2025-Q2: 698.5K shares2025-Q3: 736.4K shares2025-Q4: 732.4K shares2026-Q1: 722.6K shares2026-Q2: 729.8K shares
$43.89(+595.72%)
2026-06-30
DE
DEERE & CO
3.51%320.5K$203.3M
-0.15%(-496)
2025-Q2: 287.1K shares2025-Q3: 309.4K shares2025-Q4: 321.0K shares2026-Q1: 321.0K shares2026-Q2: 320.5K shares
$218.63(+177.58%)
2026-06-30
MKL
MARKEL GROUP INC
2.71%80.4K$157.0M
-0.16%(-125)
2025-Q2: 84.0K shares2025-Q3: 84.2K shares2025-Q4: 81.9K shares2026-Q1: 80.5K shares2026-Q2: 80.4K shares
$826.35(+122.02%)
2026-06-30
GOOGL
ALPHABET INC-CL A
2.66%430.7K$153.9M
+2.78%(+11.65K)
2025-Q2: 425.1K shares2025-Q3: 424.4K shares2025-Q4: 442.5K shares2026-Q1: 419.0K shares2026-Q2: 430.7K shares
$63.81(+440.22%)
2026-06-30
FAST
FASTENAL CO COM
2.58%3.11M$149.4M
-0.21%(-6.63K)
2025-Q2: 3.26M shares2025-Q3: 3.24M shares2025-Q4: 3.15M shares2026-Q1: 3.12M shares2026-Q2: 3.11M shares
$14.37(+255.07%)
2026-06-30
TDG
TRANSDIGM GROUP INC
2.42%105.3K$140.3M
+2.43%(+2.50K)
2025-Q2: 102.6K shares2025-Q3: 104.3K shares2025-Q4: 101.8K shares2026-Q1: 102.8K shares2026-Q2: 105.3K shares
$630.84(+99.24%)
2026-06-30
MLM
MARTIN MARIETTA MATLS INC
2.16%217.1K$125.2M
-0.91%(-2.00K)
2025-Q2: 230.3K shares2025-Q3: 232.2K shares2025-Q4: 223.6K shares2026-Q1: 219.1K shares2026-Q2: 217.1K shares
$363.87(+49.95%)
2026-06-30

About Douglass Winthrop Advisors LLCโ€™s portfolio

Douglass Winthrop Advisors LLC reports $5.80B in US-listed equity holdings across 308 positions in its most recent 13F filing. Its largest disclosed positions are BRK.B (7.8%), AMZN (5.1%) and MSFT (5.0%). The top 20 holdings account for 54.24% of reported assets. Its disclosed equity book has returned +43.14% on a three-year cumulative basis. Figures reflect the Q2 2026 filing.

Portfolio concentration

Portfolio concentration
BRK.B โ€” 12.5% ($453.17M)AMZN โ€” 8.1% ($295.44M)MSFT โ€” 8.0% ($292.05M)AAPL โ€” 5.8% ($211.16M)DE โ€” 5.6% ($203.33M)MKL โ€” 4.3% ($156.97M)GOOGL โ€” 4.2% ($153.90M)FAST โ€” 4.1% ($149.35M)TDG โ€” 3.9% ($140.27M)MLM โ€” 3.4% ($125.19M)Other โ€” 39.9% ($1.45B)
60%in top 10
  • BRK.B12.5%
  • AMZN8.1%
  • MSFT8.0%
  • AAPL5.8%
  • DE5.6%
  • MKL4.3%
  • GOOGL4.2%
  • FAST4.1%
  • TDG3.9%
  • MLM3.4%
  • Other39.9%

Portfolio changes

What the fund actually did

Every reported change this quarter, grouped by direction. The signal is in the rotation, not any single trade.

Added to
29
TSMTAIWAN SEMICONDUCTOR MFG CO AD+258.5%
MSFTMICROSOFT CORP+9.5%
MTDMETTLER-TOLEDO INTL INC+30.6%
BRK.BBERKSHIRE HATHAWAY INC+3.5%
+25 more
Trimmed
20
NSRGYNESTLE S A-42.3%
CPRTCOPART INC-23.3%
SHWSHERWIN WILLIAMS CO-1.9%
CNICANADIAN NATIONAL RAILWAY CO-1.8%
+16 more

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Source filings

Holdings on this page are parsed from Douglass Winthrop Advisors LLCโ€™s Form 13F filings with the U.S. Securities and Exchange Commission (CIK 1308527). View Douglass Winthrop Advisors LLCโ€™s 13F filings on SEC

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