Institutional Manager · CIK 0001424177
Birch Hill Investment Advisors LLC
Boston, MA · File #028-12685
Latest AUM
$2.39B
Positions
200
Top-10 Concentration
46.7%
Filings
9
Portfolio Value Over Time
2024-03
2024-06
2024-09
2024-12
2025-03
2025-06
2025-09
2025-12
Biggest QoQ Changes
Ranked by conviction flow (share change × current price) so mark-to-market moves don't dominate. Price effect column shows how much of the $ change was just the stock moving.
| Action | Issuer | Ticker / CUSIP | Δ Shares | Flow ($) | Price Effect |
|---|---|---|---|---|---|
| NEW | CLOROX CO DEL | CLX | +219,206 | +$22.1M | $0 |
| REDUCE | LABCORP HOLDINGS INC | LH | -37,071 | -$9.3M | -$4.3M |
| REDUCE | ADOBE INC | ADBE | -19,087 | -$6.7M | -$59,275 |
| REDUCE | ALPHABET INC | GOOG | -19,079 | -$6.0M | +$26.6M |
| REDUCE | MONDELEZ INTL INC | 609207105 | -104,224 | -$5.6M | -$1.7M |
| ADD | PROCTER AND GAMBLE CO | 742718109 | +32,029 | +$4.6M | -$504,995 |
| ADD | WEST PHARMACEUTICAL SVSC INC | 955306105 | +15,678 | +$4.3M | +$1.7M |
| REDUCE | AMPHENOL CORP NEW | 032095101 | -25,493 | -$3.4M | +$8.6M |
| REDUCE | FISERV INC | FISV | -50,303 | -$3.4M | -$33.2M |
| REDUCE | ALPHABET INC | GOOG | -8,940 | -$2.8M | +$13.9M |
Sector Allocation
Filing History
- 13F HOLDINGS REPORTQ/E Dec 2025200 pos · $2.39B
- 13F HOLDINGS REPORTQ/E Sep 2025197 pos · $2.37B
- 13F HOLDINGS REPORTQ/E Jun 2025195 pos · $2.25B
- 13F HOLDINGS REPORTQ/E Mar 2025187 pos · $2.11B
- 13F HOLDINGS REPORTQ/E Dec 2024181 pos · $2.15B
- 13F HOLDINGS REPORTQ/E Sep 2024178 pos · $2.13B
- 13F HOLDINGS REPORTQ/E Jun 2024172 pos · $2.07B
- 13F HOLDINGS REPORTQ/E Mar 2024172 pos · $2.06B
- 13F HOLDINGS REPORTQ/E Dec 2023154 pos · $1.68B
Top 20 Holdings — Dec 2025
| # | Issuer | Ticker | Shares | Value | % of Portfolio |
|---|---|---|---|---|---|
| 1 | MICROSOFT CORP | MSFT | 282,529 | $136.6M | 6.28% |
| 2 | AMAZON COM INC | AMZN | 540,217 | $124.7M | 5.73% |
| 3 | ALPHABET INC | GOOG | 361,655 | $113.2M | 5.20% |
| 4 | BERKSHIRE HATHAWAY INC DEL | BRK-A | 216,785 | $109.0M | 5.01% |
| 5 | AMPHENOL CORP NEW | 032095101 | 732,076 | $98.9M | 4.55% |
| 6 | APPLE INC | AAPL | 362,974 | $98.7M | 4.54% |
| 7 | TJX COS INC NEW | 872540109 | 599,401 | $92.1M | 4.23% |
| 8 | INTERNATIONAL BUSINESS MACHS | INTR | 282,401 | $83.7M | 3.85% |
| 9 | MARSH & MCLENNAN COS INC | 571748102 | 438,591 | $81.4M | 3.74% |
| 10 | ECOLAB INC | ECL | 293,478 | $77.0M | 3.54% |
| 11 | ROCKWELL AUTOMATION INC | ROK | 192,763 | $75.0M | 3.45% |
| 12 | VERTEX PHARMACEUTICALS INC | VRTX | 152,485 | $69.1M | 3.18% |
| 13 | EDWARDS LIFESCIENCES CORP | EW | 743,680 | $63.4M | 2.91% |
| 14 | ALPHABET INC | GOOG | 189,401 | $59.4M | 2.73% |
| 15 | INTUIT | INTU | 88,753 | $58.8M | 2.70% |
| 16 | S&P GLOBAL INC | SPGI | 106,211 | $55.5M | 2.55% |
| 17 | WATTS WATER TECHNOLOGIES INC | WTS | 189,909 | $52.4M | 2.41% |
| 18 | KROGER CO | KR | 793,039 | $49.5M | 2.28% |
| 19 | LINCOLN ELEC HLDGS INC | 533900106 | 200,860 | $48.1M | 2.21% |
| 20 | ASML HOLDING N V | ASMLF | 39,658 | $42.4M | 1.95% |