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Livermore
Livermore
ZHEN

Douglass Winthrop Advisors, LLC

SEC CIK
0001308527
Latest filing
Aug 13, 2026

AMT holding history

American Tower Corp in every 13F filed by Douglass Winthrop Advisors, LLC, including the quarters it was sold out or no filing was made. Changes compare share counts with the previous calendar quarter.

AMT overviewAll 13F holders of AMTFull Q2 2026 holdings

Shares (Q2 2026)
117,375
Value
$19.2M
% of portfolio
0.3%
Quarters held
22
Since Q1 2021
Holdings of AMT by Douglass Winthrop Advisors, LLC, by quarter
QuarterSharesValue% of portfolioShare changeActionAll holders
Q2 2026117,375$19.2M0.3%−385,557−76.7%ReducedHolders
Q1 2026502,932$86.8M1.6%−5,953−1.2%ReducedHolders
Q4 2025508,885$89.3M1.6%+45,182+9.7%AddedHolders
Q3 2025463,703$89.2M1.6%+18,705+4.2%AddedHolders
Q2 2025444,998$98.4M1.8%+20,109+4.7%AddedHolders
Q1 2025424,889$92.5M1.8%+419,512+7,802.0%AddedHolders
Q4 20245,377$986.2K<0.1%+144+2.8%AddedHolders
Q3 20245,233$1.22M<0.1%−227−4.2%ReducedHolders
Q2 20245,460$1.06M<0.1%−674−11.0%ReducedHolders
Q1 20246,134$1.21M<0.1%+288+4.9%AddedHolders
Q4 20235,846$1.26M<0.1%+700+13.6%AddedHolders
Q3 20235,146$846.3K<0.1%+992+23.9%AddedHolders
Q2 20234,154$805.6K<0.1%−1,208−22.5%ReducedHolders
Q1 20235,362$1.10M<0.1%+209+4.1%AddedHolders
Q4 20225,153$1.09M<0.1%−27−0.5%ReducedHolders
Q3 20225,180$1.11M<0.1%00.0%UnchangedHolders
Q2 20225,180$1.32M<0.1%00.0%UnchangedHolders
Q1 20225,180$1.30M<0.1%+219+4.4%AddedHolders
Q4 20214,961$1.45M<0.1%+121+2.5%AddedHolders
Q3 20214,840$1.28M<0.1%00.0%UnchangedHolders
Q2 20214,840$1.31M<0.1%−60−1.2%ReducedHolders
Q1 20214,900$1.17M<0.1%––Holders

Livermore's 13F data starts with Q1 2021, so Q1 2021 has no change from the previous quarter.