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Livermore
Livermore
ZHEN

First Manhattan Co

SEC CIK
0000728083
Latest filing
Aug 14, 2026

AMT holding history

American Tower Corp in every 13F filed by First Manhattan Co, 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)
21,826
Value
$3.61M
% of portfolio
<0.1%
Quarters held
22
Since Q1 2021
Holdings of AMT by First Manhattan Co, by quarter
QuarterSharesValue% of portfolioShare changeActionAll holders
Q2 202621,826$3.61M<0.1%−173,622−88.8%ReducedHolders
Q1 2026195,448$33.7M0.1%−5,226−2.6%ReducedHolders
Q4 2025200,674$35.6M0.1%−8,148−3.9%ReducedHolders
Q3 2025208,822$40.5M0.1%−12,046−5.5%ReducedHolders
Q2 2025220,868$49.2M0.1%+1,354+0.6%AddedHolders
Q1 2025219,514$47.8M0.1%+9,246+4.4%AddedHolders
Q4 2024210,268$41.9M0.1%+17,524+9.1%AddedHolders
Q3 2024192,744$44.8M0.1%+1,443+0.8%AddedHolders
Q2 2024191,301$37.5M0.1%+77,523+68.1%AddedHolders
Q1 2024113,778$22.5M0.1%−372,930−76.6%ReducedHolders
Q4 2023486,708$103.4M0.4%−68,298−12.3%ReducedHolders
Q3 2023555,006$91.3M0.3%−153,569−21.7%ReducedHolders
Q2 2023708,575$137.4M0.5%−103,416−12.7%ReducedHolders
Q1 2023811,991$165.9M0.6%+15,928+2.0%AddedHolders
Q4 2022796,063$168.7M0.6%+43,934+5.8%AddedHolders
Q3 2022752,129$161.5M0.7%+81,069+12.1%AddedHolders
Q2 2022671,060$171.5M0.7%+41,547+6.6%AddedHolders
Q1 2022629,513$158.1M0.5%+10,583+1.7%AddedHolders
Q4 2021618,930$181.0M0.6%+27,984+4.7%AddedHolders
Q3 2021590,946$156.8M0.6%+6,295+1.1%AddedHolders
Q2 2021584,651$157.9M0.6%+6,201+1.1%AddedHolders
Q1 2021578,450$138.3M0.6%––Holders

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