Ownership history in Sienna Gestion · 6 quarters on record
This page tracks every 13F SEC filing in which Sienna Gestion reported a position in AMERICAN TOWER CORP (AMT). Data includes quarterly share count, position size as % of portfolio, estimated market value, and end-of-quarter stock price — sourced directly from SEC EDGAR 13F filings.
| Quarter | Action | Shares | Change | Chg % | % of Fund | Mkt Value | Price (EOQ) |
|---|---|---|---|---|---|---|---|
| 2025 Q3 | UNCHANGED | 3,954 | — | 0% | 0.05% | $693K | $190.47 |
| 2025 Q2 | UNCHANGED | 3,954 | — | 0% | 0.05% | $798K | $216.98 |
| 2025 Q1 | REDUCED | 3,954 | -2,182 | -35.6% | 0.07% | $836K | $210.22 |
| 2024 Q4 | UNCHANGED | 6,136 | — | 0% | 0.08% | $1.1M | $177.19 |
| 2024 Q3 | ADDED | 6,136 | +3,954 | +181.2% | 0.09% | $1.4M | $221.09 |
| 2024 Q2 | INITIATED | 2,182 | — | — | 0.04% | $424K | — |
As of 2025 Q4 — sorted by position size