13F Insight
DOSSIER · 13F-HR · Q3 2026

Birch Hill Investment Advisors LLC

$2.4B in tracked AUM across 219 positions as of Q3 2026.

BH
CIK 0001424177 · last filed Sep 30, 2026
Total AUM
$2.4B
as of Q3 2026
Holdings
219
—
positions
Whale Score
62
62
tracked
Activity
—
no data
changes this Q
AI Analysis · Q3 2026

Birch Hill Investment Advisors LLC filed its latest 13F-HR for Q3 2026. See the latest holdings and position changes below.

Quarter at a glance — Q3 2026

Position-change comparison pending.

No quarter-over-quarter changes available.

Top 10 holdings

By portfolio weight as of Q3 2026.

#HoldingValueSharesWeight
01
MSFT
MICROSOFT CORP
$143M279K5.9%02
AMZN
AMAZON COM INC
$133M535K5.5%03
AAPL
APPLE INC
$121M364K5.0%04
APH
AMPHENOL CORP
$117M1.4M4.8%05
GOOGL
ALPHABET INC
$106M308K4.4%06
BRK/B
BERKSHIRE HATHAWAY INC DEL
$104M210K4.3%07
N07059210
ASML HLDG NV
$80M44K3.3%08
ECL
ECOLAB INC
$79M289K3.3%09
ROK
ROCKWELL AUTOMATION INC
$79M182K3.3%10
VRTX
VERTEX PHARMACEUTICALS INC
$75M144K3.1%

Filing history

2026Q3Sep 30
$2.4B▼ 1.6%
219 positionsView →2026Q2Jun 30
$2.5B▲ 10.8%
211 positionsView →2026Q1Mar 31
$2.2B▼ 6.9%
195 positionsView →2025Q4Dec 31
$2.4B▲ 1.1%
200 positionsView →2025Q3Sep 30
$2.4B▲ 5.1%
197 positionsLocked2025Q2Jun 30
$2.3B▲ 6.8%
195 positionsLocked2025Q1Mar 31
$2.1B▼ 2.0%
187 positionsLocked2024Q4Dec 31
$2.2B▲ 1.0%
181 positionsLocked2024Q3Sep 30
$2.1B▲ 3.0%
178 positionsLocked2024Q2Jun 30
$2.1B▲ 0.6%
172 positionsLocked2024Q1Mar 31
$2.1B▲ 9.3%
172 positionsLocked2023Q4Dec 31
$1.9B▲ 12.1%
163 positionsLocked
Showing 12 of 72