SEC 13F Intelligence

State Of Wisconsin Investment Board / AMT

State Of Wisconsin Investment Board’s American Tower Corp Position

Does State Of Wisconsin Investment Board own American Tower Corp (AMT)? Yes — 250.7K shares worth $43M (+0.10% of its 13F portfolio) as of Q1 2026, up from 242.6K shares the prior filed quarter.

Position Value
$43M
Q1 2026
Shares
250.7K
% of Portfolio
+0.10%
Quarters Held
30
currently held

Position History AMT

Reported value by quarter
Q4 ’18: $131MQ4 ’18Q1 ’19: $153MQ2 ’19: $171MQ3 ’19: $166MQ4 ’19: $176MQ4 ’19Q1 ’20: $157MQ2 ’20: $173MQ3 ’20: $163MQ4 ’20: $114MQ4 ’20Q1 ’21: $121MQ2 ’21: $148MQ3 ’21: $156MQ4 ’21: $152MQ4 ’21Q1 ’22: $115MQ2 ’22: $122MQ3 ’22: $100MQ4 ’22: $87MQ4 ’22Q1 ’23: $77MQ2 ’23: $70MQ3 ’23: $41MQ4 ’23: $53MQ4 ’23Q1 ’24: $50MQ2 ’24: $52MQ3 ’24: $66MQ4 ’24: $48MQ4 ’24Q1 ’25: $57MQ2 ’25: $57MQ3 ’25: $48MQ4 ’25: $43MQ4 ’25Q1 ’26: $43Mfilingsflow.com
QuarterSharesValue% of Portfolio
Q1 2026250.7K$43M+0.10%
Q4 2025242.6K$43M+0.10%
Q3 2025251.8K$48M+0.11%
Q2 2025256.5K$57M+0.14%
Q1 2025262.6K$57M+0.15%
Q4 2024262.7K$48M+0.12%
Q3 2024283.6K$66M+0.17%
Q2 2024267.7K$52M+0.14%
Q1 2024252.0K$50M+0.13%
Q4 2023245.4K$53M+0.15%
Q3 2023248.0K$41M+0.13%
Q2 2023359.2K$70M+0.20%
Q1 2023377.7K$77M+0.23%
Q4 2022412.9K$87M+0.28%
Q3 2022467.0K$100M+0.32%
Q2 2022478.9K$122M+0.32%
Q1 2022457.6K$115M+0.24%
Q4 2021519.6K$152M+0.29%
Q3 2021586.4K$156M+0.32%
Q2 2021549.2K$148M+0.31%
Q1 2021504.1K$121M+0.26%
Q4 2020508.0K$114M+0.26%
Q3 20201.21M$163M+0.41%
Q2 20201.22M$173M+0.48%
Q1 20201.25M$157M+0.52%
Q4 20191.18M$176M+0.44%
Q3 20191.08M$166M+0.46%
Q2 20191.30M$171M+0.48%
Q1 20191.06M$153M+0.43%
Q4 20181.17M$131M+0.43%

Common-stock position only; options are excluded. Quarters where the fund filed no 13F or reported no position are absent. See State Of Wisconsin Investment Board’s full portfolio or all institutional holders of AMT.