SEC 13F Intelligence

Selkirk Management LLC / AMT

Selkirk Management LLC’s American Tower Corp Position

Does Selkirk Management LLC own American Tower Corp (AMT)? Not currently — the last reported position was 15.0K shares worth $3M in Q1 2023; the fund’s latest 13F (Q1 2026) no longer reports it.

Position Value
$3M
Q1 2023
Shares
15.0K
% of Portfolio
+3.61%
Quarters Held
18
position exited

Position History AMT

Reported value by quarter
Q4 ’18: $8MQ4 ’18Q1 ’19: $10MQ2 ’19: $10MQ3 ’19: $11MQ3 ’19Q4 ’19: $23MQ1 ’20: $11MQ2 ’20: $13MQ2 ’20Q3 ’20: $9MQ4 ’20: $9MQ1 ’21: $9MQ1 ’21Q2 ’21: $7MQ3 ’21: $6MQ4 ’21: $7MQ4 ’21Q1 ’22: $6MQ2 ’22: $4MQ3 ’22: $3MQ3 ’22Q4 ’22: $3MQ1 ’23: $3Mfilingsflow.com
QuarterSharesValue% of Portfolio
Q1 202315.0K$3M+3.61%
Q4 202215.0K$3M+4.31%
Q3 202215.0K$3M+3.83%
Q2 202215.0K$4M+4.50%
Q1 202224.1K$6M+3.83%
Q4 202124.1K$7M+3.78%
Q3 202124.1K$6M+2.61%
Q2 202124.1K$7M+2.37%
Q1 202139.1K$9M+2.78%
Q4 202039.1K$9M+2.85%
Q3 202039.1K$9M+3.01%
Q2 202049.1K$13M+5.45%
Q1 202049.1K$11M+6.04%
Q4 201998.3K$23M+6.16%
Q3 201949.1K$11M+6.13%
Q2 201949.1K$10M+5.41%
Q1 201949.1K$10M+5.49%
Q4 201849.1K$8M+5.26%

Common-stock position only; options are excluded. Quarters where the fund filed no 13F or reported no position are absent. See Selkirk Management LLC’s full portfolio or all institutional holders of AMT.