Birch Hill Investment Advisors LLC

13F filer · CIK 0001424177

Reported Jul 21, 2026

Net seller this quarter

13F portfolio value$2.47BU.S. long equity reported on 13F

Positions17117 new · 4 closed

Net flow last quarter-$5.08MBuys minus sells

Top 10 positions weight41.7%Concentration

Holdings

13F · last 4 quarters free

Scroll for earlier quarters

Company	Value	% of portfolio	% of company	POSITION CHANGE qoq %	First reported
Q2 2026Reported Jul 21, 2026171 positions
AMZNAmazon Com Inc	$130M	5.28%	0.01%	-0.4%	Q2 2013
APHAmphenol Corp	$127M	5.14%	0.06%	+3.1%	Q1 2017
GOOGLAlphabet Inc.	$112M	4.55%	0.00%	-3.2%	Q4 2015
BRK.BBerkshire Hathaway Inc	$106M	4.31%	Not reported	-0.2%	Q2 2013
AAPLApple Inc.	$106M	4.30%	0.00%	+1.5%	Q2 2013
MSFTMicrosoft Corp	$106M	4.28%	0.00%	+1.1%	Q2 2013
ROKRockwell Automation, Inc	$92.1M	3.73%	0.17%	-1.4%	Q2 2020
TJXTJX Companies Inc	$86.7M	3.51%	0.05%	-1.2%	Q2 2013
ASMLAsml Holding NV	$81.8M	3.31%	0.01%	+3.5%	Q2 2025
ECLEcolab Inc.	$81.5M	3.30%	0.10%	+1.0%	Q2 2013
IBMInternational Business Machines Corp	$81.4M	3.30%	0.03%	+3.6%	Q2 2013
WTSWatts Water Technologies Inc	$76M	3.08%	Not reported	+2.6%	Q4 2019
VRTXVertex Pharmaceuticals Inc / Ma	$73.4M	2.97%	0.06%	-2.1%	Q1 2021
MRSHMarsh & Mclennan Companies, Inc.	$68.4M	2.77%	0.09%	-4.1%	Q2 2013
EWEdwards Lifesciences Corp	$66.5M	2.69%	0.13%	-0.7%	Q2 2013
GOOGAlphabet Inc.	$62.5M	2.53%	Not reported	-2.2%	Q4 2015
WSTWest Pharmaceutical Services Inc	$57.3M	2.32%	0.23%	-0.9%	Q2 2025
LECOLincoln Electric Holdings Inc	$53.8M	2.18%	0.37%	+1.3%	Q4 2022
ADIAnalog Devices Inc	$44.8M	1.82%	0.02%	-1.7%	Q3 2021
KRKroger Co	$44.2M	1.79%	0.13%	+0.5%	Q3 2022
SPGIS&P Global Inc.	$41.7M	1.69%	0.03%	-3.2%	Q3 2018
COSTCostco Wholesale Corp	$32.6M	1.32%	0.01%	-0.5%	Q2 2013
JNJJohnson & Johnson	$32.2M	1.30%	0.01%	-4.0%	Q2 2013
CLXClorox Co	$31M	1.26%	0.27%	+9.2%	Q2 2013
JPMJPMorgan Chase & Co	$30.9M	1.25%	0.00%	-1.2%	Q2 2013
FISVFiserv Inc	$30.6M	1.24%	0.12%	+17.8%	Q2 2013
MAMastercard Inc	$29.5M	1.20%	0.00%	+0.2%	Q3 2014
GWWW.W. Grainger, Inc.	$28.5M	1.16%	0.04%	-1.5%	Q2 2013
NVDANvidia Corp	$27.2M	1.10%	0.00%	+5.8%	Q1 2021
PEPPepsico Inc	$25M	1.01%	0.01%	-0.3%	Q2 2013
ALCAlcon Inc	$21.4M	0.87%	0.07%	-22.8%	Q4 2020
NEENextera Energy Inc	$19.8M	0.80%	0.01%	+35.8%	Q2 2013
TTTrane Technologies plc	$18.4M	0.75%	0.02%	Not reported	Q1 2020
CSLCarlisle Companies Inc	$18M	0.73%	0.12%	+1.0%	Q2 2013
LHLabcorp Holdings Inc.	$14.3M	0.58%	0.06%	-16.3%	Q2 2024
PGPROCTER & GAMBLE Co	$13.3M	0.54%	0.00%	+2.3%	Q2 2013
MRKMerck & Co., Inc.	$11.3M	0.46%	0.00%	-0.9%	Q2 2013
BACBank of America Corp	$10.2M	0.41%	0.00%	-2.5%	Q1 2017
AVGOBroadcom Inc.	$9.42M	0.38%	0.00%	-0.1%	Q1 2018
CHWYChewy, Inc.	$9.33M	0.38%	474960.00%	-33.5%	Q4 2024
UBERUber Technologies, Inc	$7.72M	0.31%	0.01%	-6.1%	Q3 2020
BXPBXP, Inc.	$7.35M	0.30%	0.07%	-3.3%	Q2 2013
KOCoca Cola Co	$7.33M	0.30%	0.00%	Not reported	Q2 2013
DHRDanaher Corp	$7.05M	0.29%	0.01%	+1345.7%	Q1 2019
RTXRTX Corp	$7.01M	0.28%	0.00%	-0.1%	Q2 2020
ABBVAbbVie Inc.	$6.41M	0.26%	0.00%	-0.3%	Q2 2013
VVisa Inc.	$5.99M	0.24%	0.00%	+21.3%	Q4 2022
ADPAutomatic Data Processing Inc	$5.88M	0.24%	0.01%	Not reported	Q2 2013
HAYWHayward Holdings, Inc.	$5.27M	0.21%	0.14%	-6.2%	Q3 2024
HDHome Depot, Inc.	$4.9M	0.20%	0.00%	-0.1%	Q2 2013

Q1 2026Reported Apr 29, 2026157 positions
AMZNAmazon Com Inc	$114M	5.13%	0.01%	+1.7%	Q2 2013
MSFTMicrosoft Corp	$104M	4.66%	0.00%	-0.7%	Q2 2013
BRK.BBerkshire Hathaway Inc	$102M	4.58%	Not reported	-1.8%	Q2 2013
GOOGLAlphabet Inc.	$93.5M	4.20%	0.00%	-10.1%	Q4 2015
TJXTJX Companies Inc	$92.5M	4.15%	0.05%	-3.4%	Q2 2013
AAPLApple Inc.	$91.7M	4.12%	0.00%	-0.4%	Q2 2013
APHAmphenol Corp	$88.2M	3.96%	0.06%	-4.6%	Q1 2017
ECLEcolab Inc.	$77M	3.46%	0.10%	-1.3%	Q2 2013
MRSHMarsh & Mclennan Companies, Inc.	$74.2M	3.33%	0.09%	-2.5%	Q2 2013
ROKRockwell Automation, Inc	$67.7M	3.04%	0.17%	-2.1%	Q2 2020
IBMInternational Business Machines Corp	$67.7M	3.04%	0.03%	-1.1%	Q2 2013
VRTXVertex Pharmaceuticals Inc / Ma	$67.3M	3.02%	0.06%	-1.1%	Q1 2021
EWEdwards Lifesciences Corp	$59.3M	2.66%	0.13%	-0.5%	Q2 2013
KRKroger Co	$57.3M	2.57%	0.13%	-0.1%	Q3 2022
WTSWatts Water Technologies Inc	$55M	2.47%	Not reported	-0.3%	Q4 2019
ASMLAsml Holding NV	$52.5M	2.35%	0.01%	+0.2%	Q2 2025
GOOGAlphabet Inc.	$51.9M	2.33%	Not reported	-4.4%	Q4 2015
LECOLincoln Electric Holdings Inc	$49.8M	2.24%	0.37%	-0.4%	Q4 2022
SPGIS&P Global Inc.	$45M	2.02%	0.04%	-0.4%	Q3 2018
WSTWest Pharmaceutical Services Inc	$40.4M	1.81%	0.23%	+5.9%	Q2 2025
ADIAnalog Devices Inc	$36.5M	1.64%	0.02%	-1.0%	Q3 2021
COSTCostco Wholesale Corp	$34.9M	1.57%	0.01%	-0.6%	Q2 2013
JNJJohnson & Johnson	$32.2M	1.45%	0.01%	-1.9%	Q2 2013
ALCAlcon Inc	$31.2M	1.40%	0.09%	-6.3%	Q4 2020
CLXClorox Co	$30.8M	1.38%	0.25%	+35.8%	Q2 2013
FISVFiserv Inc	$29.5M	1.33%	0.10%	+8.5%	Q2 2013
PEPPepsico Inc	$28.8M	1.29%	0.01%	+0.5%	Q2 2013
MAMastercard Inc	$28.7M	1.29%	0.00%	-1.1%	Q3 2014
JPMJPMorgan Chase & Co	$28.1M	1.26%	0.00%	-1.3%	Q2 2013
GWWW.W. Grainger, Inc.	$23.2M	1.04%	0.04%	-0.1%	Q2 2013
NVDANvidia Corp	$22.4M	1.01%	0.00%	+8.1%	Q1 2021
CHWYChewy, Inc.	$19.3M	0.87%	714246.00%	+56.2%	Q4 2024
CSLCarlisle Companies Inc	$16.4M	0.73%	0.12%	+3.0%	Q2 2013
LHLabcorp Holdings Inc.	$16.3M	0.73%	0.07%	-26.0%	Q2 2024
TTTrane Technologies plc	$15.6M	0.70%	0.02%	Not reported	Q1 2020
NEENextera Energy Inc	$15.4M	0.69%	0.01%	+5.0%	Q2 2013
PGPROCTER & GAMBLE Co	$12.8M	0.57%	0.00%	+9.4%	Q2 2013
XOMExxonMobil Holdings Corp	$11.3M	0.51%	0.00%	-1.7%	Q2 2013
MRKMerck & Co., Inc.	$10.7M	0.48%	0.00%	-0.7%	Q2 2013
BACBank of America Corp	$8.92M	0.40%	0.00%	-7.6%	Q1 2017
UBERUber Technologies, Inc	$8.2M	0.37%	0.01%	-2.8%	Q3 2020
AVGOBroadcom Inc.	$7.73M	0.35%	0.00%	+0.8%	Q1 2018
INTUIntuit Inc.	$7.35M	0.33%	0.01%	-80.9%	Q1 2023
RTXRTX Corp	$7.13M	0.32%	0.00%	-0.3%	Q2 2020
KOCoca Cola Co	$6.86M	0.31%	0.00%	-0.3%	Q2 2013
BXPBXP, Inc.	$5.96M	0.27%	0.07%	-4.7%	Q2 2013
ABBVAbbVie Inc.	$5.55M	0.25%	0.00%	-1.7%	Q2 2013
GBTCGrayscale Bitcoin Trust ETF	$5.43M	0.24%	0.05%	Not reported	Q1 2024
ADPAutomatic Data Processing Inc	$5.34M	0.24%	0.01%	-4.7%	Q2 2013
HDHome Depot, Inc.	$4.58M	0.21%	0.00%	Not reported	Q2 2013

Q4 2025Reported Jan 27, 2026163 positions
MSFTMicrosoft Corp	$137M	5.71%	0.00%	-0.6%	Q2 2013
AMZNAmazon Com Inc	$125M	5.21%	0.01%	-1.1%	Q2 2013
GOOGLAlphabet Inc.	$113M	4.73%	0.00%	-5.0%	Q4 2015
BRK.BBerkshire Hathaway Inc	$109M	4.55%	Not reported	-0.5%	Q2 2013
APHAmphenol Corp	$98.9M	4.13%	0.06%	-3.4%	Q1 2017
AAPLApple Inc.	$98.7M	4.12%	0.00%	-1.2%	Q2 2013
TJXTJX Companies Inc	$92.1M	3.85%	0.05%	-2.0%	Q2 2013
IBMInternational Business Machines Corp	$83.7M	3.50%	0.03%	+2.1%	Q2 2013
MRSHMarsh & Mclennan Companies, Inc.	$81.4M	3.40%	0.09%	-0.1%	Q2 2013
ECLEcolab Inc.	$77M	3.22%	0.10%	-0.2%	Q2 2013
ROKRockwell Automation, Inc	$75M	3.13%	0.17%	-1.5%	Q2 2020
VRTXVertex Pharmaceuticals Inc / Ma	$69.1M	2.89%	0.06%	-0.7%	Q1 2021
EWEdwards Lifesciences Corp	$63.4M	2.65%	0.13%	-1.8%	Q2 2013
GOOGAlphabet Inc.	$59.4M	2.48%	Not reported	-4.5%	Q4 2015
INTUIntuit Inc.	$58.8M	2.46%	0.03%	+3.8%	Q1 2023
SPGIS&P Global Inc.	$55.5M	2.32%	0.04%	+0.6%	Q3 2018
WTSWatts Water Technologies Inc	$52.4M	2.19%	Not reported	+2.0%	Q4 2019
KRKroger Co	$49.5M	2.07%	0.13%	-1.3%	Q3 2022
LECOLincoln Electric Holdings Inc	$48.1M	2.01%	0.37%	+1.4%	Q4 2022
ASMLAsml Holding NV	$42.4M	1.77%	0.01%	+1.6%	Q2 2025
WSTWest Pharmaceutical Services Inc	$41.9M	1.75%	0.21%	+11.5%	Q2 2025
ALCAlcon Inc	$34.8M	1.46%	0.09%	-0.5%	Q4 2020
MAMastercard Inc	$33.1M	1.38%	0.00%	-4.2%	Q3 2014
FISVFiserv Inc	$32.8M	1.37%	0.09%	-9.4%	Q2 2013
ADIAnalog Devices Inc	$31.5M	1.31%	0.02%	-1.2%	Q3 2021
JPMJPMorgan Chase & Co	$31.2M	1.30%	0.00%	-2.3%	Q2 2013
COSTCostco Wholesale Corp	$30.4M	1.27%	0.01%	-0.7%	Q2 2013
JNJJohnson & Johnson	$27.8M	1.16%	0.01%	-2.9%	Q2 2013
PEPPepsico Inc	$26.5M	1.11%	0.01%	+2.6%	Q2 2013
NVDANvidia Corp	$22.2M	0.93%	0.00%	+2.0%	Q1 2021
CLXClorox Co	$22.1M	0.92%	0.18%	Not reported	Q2 2013
GWWW.W. Grainger, Inc.	$21.5M	0.90%	0.04%	+5.6%	Q2 2013
LHLabcorp Holdings Inc.	$20.7M	0.87%	0.10%	-31.0%	Q2 2024
CSLCarlisle Companies Inc	$15.2M	0.64%	0.12%	-10.5%	Q2 2013
CHWYChewy, Inc.	$15.1M	0.63%	457311.00%	+2.3%	Q4 2024
TTTrane Technologies plc	$14.6M	0.61%	0.02%	Not reported	Q1 2020
NEENextera Energy Inc	$12.7M	0.53%	0.01%	-1.8%	Q2 2013
PGPROCTER & GAMBLE Co	$11.6M	0.48%	0.00%	+65.6%	Q2 2013
BACBank of America Corp	$10.9M	0.46%	0.00%	-2.5%	Q1 2017
UBERUber Technologies, Inc	$9.58M	0.40%	0.01%	-0.8%	Q3 2020
MRKMerck & Co., Inc.	$9.41M	0.39%	0.00%	-5.2%	Q2 2013
AVGOBroadcom Inc.	$8.57M	0.36%	0.00%	-0.9%	Q1 2018
XOMExxonMobil Holdings Corp	$8.15M	0.34%	0.00%	-2.6%	Q2 2013
BXPBXP, Inc.	$8.13M	0.34%	0.08%	Not reported	Q2 2013
ADPAutomatic Data Processing Inc	$7.09M	0.30%	0.01%	-1.6%	Q2 2013
GBTCGrayscale Bitcoin Trust ETF	$7.03M	0.29%	0.05%	Not reported	Q1 2024
RTXRTX Corp	$6.8M	0.28%	0.00%	-5.1%	Q2 2020
ACNAccenture plc	$6.35M	0.27%	0.00%	-9.6%	Q2 2013
KOCoca Cola Co	$6.32M	0.26%	0.00%	-3.4%	Q2 2013
ABBVAbbVie Inc.	$5.93M	0.25%	0.00%	-6.6%	Q2 2013

Q3 2025Reported Oct 23, 2025163 positions
MSFTMicrosoft Corp	$147M	6.22%	0.00%	+0.4%	Q2 2013
AMZNAmazon Com Inc	$120M	5.07%	0.01%	0.0%	Q2 2013
BRK.BBerkshire Hathaway Inc	$110M	4.63%	Not reported	-0.6%	Q2 2013
APHAmphenol Corp	$93.7M	3.96%	0.06%	-2.3%	Q1 2017
AAPLApple Inc.	$93.5M	3.95%	0.00%	+2.7%	Q2 2013
GOOGLAlphabet Inc.	$92.6M	3.91%	0.00%	-9.7%	Q4 2015
MRSHMarsh & Mclennan Companies, Inc.	$88.5M	3.74%	0.09%	+2.9%	Q2 2013
TJXTJX Companies Inc	$88.4M	3.73%	0.05%	-0.2%	Q2 2013
ECLEcolab Inc.	$80.5M	3.40%	0.10%	-0.4%	Q2 2013
IBMInternational Business Machines Corp	$78.1M	3.30%	0.03%	+2.3%	Q2 2013
FISVFiserv Inc	$69.4M	2.93%	0.10%	-0.4%	Q2 2013
ROKRockwell Automation, Inc	$68.4M	2.89%	0.17%	-0.8%	Q2 2020
VRTXVertex Pharmaceuticals Inc / Ma	$60.2M	2.54%	0.06%	+3.6%	Q1 2021
EWEdwards Lifesciences Corp	$58.9M	2.49%	0.13%	-0.5%	Q2 2013
INTUIntuit Inc.	$58.4M	2.47%	0.03%	+3.8%	Q1 2023
KRKroger Co	$54.2M	2.29%	0.12%	-5.5%	Q3 2022
WTSWatts Water Technologies Inc	$52M	2.20%	Not reported	0.0%	Q4 2019
SPGIS&P Global Inc.	$51.4M	2.17%	0.03%	+0.4%	Q3 2018
GOOGAlphabet Inc.	$48.3M	2.04%	Not reported	-5.1%	Q4 2015
LECOLincoln Electric Holdings Inc	$46.7M	1.97%	0.36%	0.0%	Q4 2022
ASMLAsml Holding NV	$37.8M	1.60%	0.01%	+15321.7%	Q2 2025
WSTWest Pharmaceutical Services Inc	$35.8M	1.51%	0.19%	+87.4%	Q2 2025
MAMastercard Inc	$34.4M	1.45%	0.00%	-1.2%	Q3 2014
LHLabcorp Holdings Inc.	$34.3M	1.45%	0.14%	-17.2%	Q2 2024
ALCAlcon Inc	$33.1M	1.40%	0.09%	+1.5%	Q4 2020
COSTCostco Wholesale Corp	$32.9M	1.39%	0.01%	-0.4%	Q2 2013
JPMJPMorgan Chase & Co	$31.2M	1.32%	0.00%	-2.3%	Q2 2013
ADIAnalog Devices Inc	$28.8M	1.22%	0.02%	+0.7%	Q3 2021
JNJJohnson & Johnson	$25.7M	1.08%	0.01%	-8.5%	Q2 2013
PEPPepsico Inc	$25.3M	1.07%	0.01%	+12.2%	Q2 2013
NVDANvidia Corp	$21.8M	0.92%	0.00%	+75.9%	Q1 2021
GWWW.W. Grainger, Inc.	$19.2M	0.81%	0.04%	-0.2%	Q2 2013
CHWYChewy, Inc.	$18.1M	0.76%	446861.00%	+39.9%	Q4 2024
CSLCarlisle Companies Inc	$17.5M	0.74%	0.13%	+4.8%	Q2 2013
TTTrane Technologies plc	$15.8M	0.67%	0.02%	Not reported	Q1 2020
MDLZMondelez International, Inc.	$12.2M	0.51%	0.02%	-33.2%	Q1 2016
NEENextera Energy Inc	$12.1M	0.51%	0.01%	+19.8%	Q2 2013
UBERUber Technologies, Inc	$11.6M	0.49%	0.01%	-0.6%	Q3 2020
BACBank of America Corp	$10.5M	0.44%	0.00%	-6.1%	Q1 2017
GBTCGrayscale Bitcoin Trust ETF	$9.23M	0.39%	0.04%	-5.8%	Q1 2024
BXPBXP, Inc.	$8.95M	0.38%	0.08%	+115.8%	Q2 2013
ORCLOracle Corp	$8.86M	0.37%	0.00%	-2.4%	Q2 2013
AVGOBroadcom Inc.	$8.25M	0.35%	0.00%	-2.2%	Q1 2018
ADPAutomatic Data Processing Inc	$8.22M	0.35%	0.01%	-0.9%	Q2 2013
MRKMerck & Co., Inc.	$7.92M	0.33%	0.00%	-11.5%	Q2 2013
XOMExxonMobil Holdings Corp	$7.84M	0.33%	0.00%	-0.1%	Q2 2013
ADBEAdobe Inc.	$7.71M	0.33%	0.01%	-47.7%	Q3 2013
PGPROCTER & GAMBLE Co	$7.5M	0.32%	0.00%	-4.0%	Q2 2013
RTXRTX Corp	$6.54M	0.28%	0.00%	+0.6%	Q2 2020
ACNAccenture plc	$6.46M	0.27%	0.00%	-9.7%	Q2 2013

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