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Livermore
Livermore
ZHEN

Rosenberg Matthew Hamilton

SEC CIK
0001812103
Latest filing
Oct 5, 2026

AMT holding history

American Tower Corp in every 13F filed by Rosenberg Matthew Hamilton, 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 Q3 2026 holdings

Shares (Q3 2026)
803
Value
$131.4K
% of portfolio
<0.1%
Quarters held
22
Since Q1 2021
Holdings of AMT by Rosenberg Matthew Hamilton, by quarter
QuarterSharesValue% of portfolioShare changeActionAll holders
Q3 2026803$131.4K<0.1%+176+28.1%AddedHolders
Q2 2026627$102.6K<0.1%+86+15.9%AddedHolders
Q1 2026541$93.4K<0.1%+150+38.4%AddedHolders
Q4 2025391$68.6K<0.1%+298+320.4%AddedHolders
Q3 202593$17.9K<0.1%−80−46.2%ReducedHolders
Q2 2025173$38.2K<0.1%+80+86.0%AddedHolders
Q1 202593$20.2K<0.1%+93NewHolders
Q4 20240$00.0%−287−100.0%Sold outHolders
Q3 2024287$66.7K<0.1%+27+10.4%AddedHolders
Q2 2024260$50.4K<0.1%−27−9.4%ReducedHolders
Q1 2024287$55.4K<0.1%−100−25.8%ReducedHolders
Q4 2023387$83.5K<0.1%−31−7.4%ReducedHolders
Q3 2023418$68.7K<0.1%+20+5.0%AddedHolders
Q2 2023398$77.2K<0.1%−100−20.1%ReducedHolders
Q1 2023498$101.8K<0.1%00.0%UnchangedHolders
Q4 2022498$105.5K<0.1%00.0%UnchangedHolders
Q3 2022498$107.0K<0.1%+7+1.4%AddedHolders
Q2 2022491$137.0K0.1%00.0%UnchangedHolders
Q1 2022491$123.0K<0.1%+297+153.1%AddedHolders
Q4 2021194$57.0K<0.1%+35+22.0%AddedHolders
Q3 2021159$42.0K<0.1%+59+59.0%AddedHolders
Q2 2021100$27.0K<0.1%00.0%UnchangedHolders
Q1 2021100$24.0K<0.1%––Holders

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