DOUGLASS WINTHROP ADVISORS LLC
Q1 2026 Form 13-F
NEW YORK, NEW YORK
CIK 0001308527
· CRD 108680
· SEC-registered investment adviser
$5.5B Reported Value Total
DOUGLASS WINTHROP ADVISORS LLC reports 2,385 total accounts under management (AUM). There are 2,384 discretionary accounts valued at $6,456,833,102, and 1 non-discretionary accounts valued at $12,849.
Source: Form ADV filed * Note that certain holdings are exempt from Form 13-F reporting, so the AUM totals may be greater than the Form 13-F total.
Source: Form ADV filed 2026-03-24
Reported value
$5.5B
Quarter over quarter
-5.1%
Holdings
301
Top-10 concentration
43.7%
Key People
Form ADV owners & control persons
Robert Royal Douglass
PRINCIPAL, MEMBER
John Winthrop
PRINCIPAL, MEMBER
Lea Paine Highet
PRINCIPAL, MEMBER
Filing Navigation
Coverage begins with the second quarter of 2013. Earlier quarters are not shown while their accuracy is being verified.
13F Metrics
Loading 13F Metrics
Q1 2026 13F record
Q1 2026 13F filing summary
| Period of report | March 31, 2026 |
|---|---|
| Filed | May 14, 2026 |
| Form | 13F-HR |
| Reported value | $5.5B |
| Positions | 301 |
| Change in reported value | -4.5% |
| New positions | 16 |
| Exited positions | 20 |
| Position turnover | 11.2% |
| Top-10 concentration | 43.7% |
13F filings by quarter
| Quarter | Positions | Value |
|---|---|---|
|
Q2 2026 13F
Filed Aug 13, 2026
|
306 | $5.8B |
|
Q1 2026 13F
Filed May 14, 2026
|
301 | $5.5B |
|
Q4 2025 13F
Filed Feb 12, 2026
|
304 | $5.7B |
|
Q3 2025 13F
Filed Nov 13, 2025
|
300 | $5.7B |
|
Q2 2025 13F
Filed Aug 14, 2025
|
279 | $5.5B |
|
Q1 2025 13F
Filed May 14, 2025
|
279 | $5.3B |
|
Q4 2024 13F
Filed Feb 11, 2025
|
294 | $5.1B |
|
Q3 2024 13F
Filed Nov 12, 2024
|
288 | $5.2B |
|
Q2 2024 13F
Filed Aug 7, 2024
|
275 | $4.9B |
|
Q1 2024 13F
Filed May 13, 2024
|
283 | $4.9B |
|
Q4 2023 13F
Filed Feb 12, 2024
|
250 | $4.5B |
|
Q3 2023 13F
Filed Nov 13, 2023
|
235 | $4.0B |
|
Q2 2023 13F
Filed Aug 14, 2023
|
240 | $4.2B |
|
Q1 2023 13F
Filed May 15, 2023
|
239 | $3.9B |
|
Q4 2022 13F
Filed Feb 13, 2023
|
238 | $3.6B |
|
Q3 2022 13F
Filed Nov 15, 2022
|
242 | $3.3B |
|
Q2 2022 13F
Filed Aug 11, 2022
|
257 | $3.6B |
|
Q1 2022 13F
Filed May 16, 2022
|
267 | $4.2B |
|
Q4 2021 13F
Filed Feb 14, 2022
|
272 | $4.5B |
|
Q3 2021 13F
Filed Nov 10, 2021
|
274 | $4.1B |
33 earlier quarters on file — choose one from the quarter menu above.
Top 20 holdings · Q1 2026
| # | Holding | Reported value | % of portfolio |
|---|---|---|---|
| 1 | BRK-B BERKSHIRE HATHAWAY INC | $419.3M | 7.68% |
| 2 | GOOG ALPHABET INC | $390.8M | 7.16% |
| 3 | MSFT MICROSOFT CORP | $264.7M | 4.85% |
| 4 | AMZN AMAZON COM INC | $257.3M | 4.71% |
| 5 | MA MASTERCARD INC | $188.5M | 3.45% |
| 6 | COST COSTCO WHOLESALE CORP | $188.1M | 3.44% |
| 7 | AAPL APPLE INC COM | $183.4M | 3.36% |
| 8 | DE DEERE & CO | $180.8M | 3.31% |
| 9 | UBER UBER TECHNOLOGIES INC | $161.8M | 2.96% |
| 10 | MKL MARKEL GROUP INC | $154.1M | 2.82% |
| 11 | FAST FASTENAL CO COM | $144.6M | 2.65% |
| 12 | MLM MARTIN MARIETTA MATLS INC | $129.0M | 2.36% |
| 13 | TPL TEXAS PACIFIC LAND CORP | $127.6M | 2.34% |
| 14 | AON AON PLC | $127.3M | 2.33% |
| 15 | GOOGL ALPHABET INC-CL A | $120.5M | 2.21% |
| 16 | TDG TRANSDIGM GROUP INC | $119.1M | 2.18% |
| 17 | SHW SHERWIN WILLIAMS CO | $118.6M | 2.17% |
| 18 | NFLX NETFLIX INC | $118.0M | 2.16% |
| 19 | SPGI S&P GLOBAL INC | $108.3M | 1.98% |
| 20 | LIN Linde PLC | $104.8M | 1.92% |
Values as reported on the Q1 2026 Form 13F. Every position is in the holdings table below.