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Super Investors Birch Hill Investment Advisors LLC
BH

Birch Hill Investment Advisors LLC

Quarterly 13F snapshot: US-listed longs only, no performance figures — 13F data cannot support them.

Portfolio value
$2.43B
Positions
219
Quarter ended
September 30, 2026
Filed
October 16, 2026

Reported portfolio value by quarter (54 quarters reported)

$2.47B $798M
Q2 13 Q1 16 Q4 18 Q3 21 Q2 24 Q3 26

$798M in Q2 2013 → $2.43B now. Hover for any quarter.

Holdings

As reported for the quarter ended September 30, 2026. Activity is the change in share count since the prior quarter's filing.

Holding % of portfolio Activity Shares Value
Microsoft Corp 5.9% Trimmed 1.5% 279,241 $143M
Amazon Com Inc 5.5% Trimmed 2.1% 534,992 $133M
Apple Inc 5.0% Trimmed 0.8% 363,997 $121M
Amphenol Corp 4.8% Added 93% 1,389,284 $117M
Alphabet Inc 4.4% Trimmed 2.1% 308,068 $106M
BH Berkshire Hathaway Inc Del 4.3% Trimmed 1.3% 209,721 $104M
AH Asml Hldg Nv 3.3% Added 7.3% 44,127 $79.9M
Ecolab Inc 3.3% Trimmed 1.1% 289,417 $79.5M
Rockwell Automation Inc 3.3% Trimmed 2.2% 181,995 $79.2M
Vertex Pharmaceuticals Inc 3.1% Trimmed 2.8% 143,519 $75M
TC Tjx Cos Inc New 3.1% Trimmed 2.0% 561,012 $74.2M
M& Marsh & Mclennan Cos Inc 2.8% Trimmed 3.9% 394,139 $67.3M
Watts Water Technologies Inc 2.7% Trimmed 2.9% 188,553 $66.8M
IB International Business Machs 2.6% Trimmed 1.8% 284,328 $62.5M
Edwards Lifesciences Corp 2.6% Trimmed 1.7% 723,022 $62.4M
WP West Pharmaceutical Svsc Inc 2.4% Trimmed 0.5% 158,911 $58.9M
Alphabet Inc 2.4% Trimmed 4.7% 168,724 $57.5M
LE Lincoln Elec Hldgs Inc 2.2% Added 0.0% 202,719 $53.6M
Analog Devices Inc 2.2% Added 19% 133,793 $53.1M
Kroger Co 1.8% Trimmed 6.8% 742,371 $43.5M
S&P Global Inc 1.6% Trimmed 1.8% 100,630 $39.7M
Johnson & Johnson 1.3% Trimmed 2.1% 123,912 $32.8M
Nvidia Corporation 1.3% Added 4.3% 141,977 $32.4M
IT Ishares Tr 1.3% Trimmed 0.5% 40,547 $31.1M
Mastercard Incorporated 1.2% Trimmed 5.4% 54,354 $30M
Costco Wholesale Corporation 1.2% Trimmed 7.5% 32,250 $29.4M
IT Ishares Tr 1.2% Added 0.6% 215,192 $29.3M
Jpmorgan Chase & Co 1.2% Trimmed 6.3% 88,390 $29.2M
Fiserv Inc 1.1% Trimmed 3.5% 601,759 $27.2M
CC Clorox Co Del 1.0% Trimmed 4.7% 309,588 $25.1M
Ww Grainger Inc 1.0% Trimmed 8.9% 19,106 $23.8M
Nextera Energy Inc 0.9% Added 26% 283,519 $21.5M
Pepsico Inc 0.9% Trimmed 9.4% 167,442 $21.2M
JP J P Morgan Exchange Traded F 0.7% Added 10% 221,042 $17.4M
Trane Technologies PLC 0.7% Unchanged 37,502 $17M
Alcon Ag 0.6% Trimmed 24% 241,685 $15.6M
CC Carlisle Cos Inc 0.6% Trimmed 3.5% 47,799 $15.4M
Broadcom Inc 0.6% Added 59% 39,551 $13.9M
Procter & Gamble Co 0.5% Added 0.2% 90,709 $13.2M
Merck & Co Inc 0.5% Trimmed 9.1% 79,932 $11.6M
Labcorp Holdings Inc 0.5% Trimmed 26% 37,629 $11.6M
Exxonmobil Holdings Corp 0.4% New 65,416 $10.6M
BO Bank Of Amer Corp 0.4% Trimmed 0.4% 177,625 $9.67M
Uber Technologies Inc 0.4% Added 25% 133,273 $9.13M
DD Danaher Corp Del 0.4% Added 9.6% 40,549 $8.98M
IT Ishares Tr 0.4% Trimmed 0.3% 120,710 $8.69M
IT Ishares Tr 0.4% Added 0.1% 82,764 $8.6M
VI Vanguard Intl Equity Index F 0.3% Added 0.7% 134,231 $7.96M
Coca Cola Co 0.3% Trimmed 0.9% 89,339 $7.69M
IE Invesco Exchange Traded Fd T 0.3% Added 5.6% 36,481 $7.59M
VT Vanguard Tax-managed Fds 0.3% Trimmed 3.2% 106,783 $7.54M
Rtx Corporation 0.3% Unchanged 36,949 $6.86M
Visa Inc 0.3% Added 6.7% 18,623 $6.69M
Abbvie Inc 0.3% Trimmed 0.9% 25,224 $6.6M
AD Automatic Data Processing In 0.3% Trimmed 4.9% 24,963 $6.44M
GB Grayscale Bitcoin Trust ETF 0.3% Trimmed 6.5% 96,150 $6.21M
Bxp Inc 0.3% Trimmed 9.1% 100,816 $6.16M
EE Emerson Elec Co 0.2% Added 2.6% 29,245 $4.54M
Home Depot Inc 0.2% Added 3.6% 14,404 $4.1M
IT Ishares Tr 0.2% Unchanged 14,156 $3.93M

Showing top 60 of 219 positions.

Timeline of changes

What changed each quarter, from the filings' own share counts. Largest moves first; most recent 8 quarters.

Q3 2026

quarter ended September 30, 2026 · filed October 16, 2026

Company Action Shares changed Value of change % of portfolio
Amphenol Corp Added +669,376 +$56.4M 4.8%
Exxonmobil Holdings Corp New +65,416 +$10.6M 0.4%
Analog Devices Inc Added +20,889 +$8.29M 2.2%
Chewy Inc Trimmed −420,110 −$7.65M —
AH Asml Hldg Nv Added +3,007 +$5.45M 3.3%
Broadcom Inc Added +14,622 +$5.14M 0.6%
Alcon Ag Trimmed −77,920 −$5.05M 0.6%
Nextera Energy Inc Added +58,262 +$4.41M 0.9%
Labcorp Holdings Inc Trimmed −13,439 −$4.14M 0.5%
Kroger Co Trimmed −54,009 −$3.17M 1.8%

Showing the 10 largest of 144 changes.

Q2 2026

quarter ended June 30, 2026 · filed July 21, 2026

Company Action Shares changed Value of change % of portfolio
Exxon Mobil Corp Exited −66,581 −$11.3M —
DD Danaher Corp Del Added +34,437 +$6.56M 0.3%
Alcon Ag Trimmed −94,536 −$6.34M 0.9%
Nextera Energy Inc Added +59,405 +$5.21M 0.8%
Chewy Inc Trimmed −239,286 −$4.7M 0.4%
Fiserv Inc Added +94,186 +$4.62M 1.2%
Intuit Trimmed −14,884 −$3.88M —
Amphenol Corp Added +21,797 +$3.84M 5.1%
Alphabet Inc Trimmed −10,348 −$3.7M 4.6%
JP J P Morgan Exchange Traded F Added +44,644 +$3.36M 0.6%

Showing the 10 largest of 148 changes.

Q1 2026

quarter ended March 31, 2026 · filed April 29, 2026

Company Action Shares changed Value of change % of portfolio
Intuit Trimmed −71,754 −$31M 0.3%
Alphabet Inc Trimmed −36,642 −$10.5M 4.2%
CC Clorox Co Del Added +78,394 +$8.12M 1.4%
Chewy Inc Added +256,935 +$6.94M 0.9%
Labcorp Holdings Inc Trimmed −21,484 −$5.73M 0.7%
Amphenol Corp Trimmed −33,965 −$4.29M 4.0%
TC Tjx Cos Inc New Trimmed −20,386 −$3.26M 4.2%
MI Mondelez Intl Inc Trimmed −44,628 −$2.57M 0.1%
Alphabet Inc Trimmed −8,328 −$2.39M 2.3%
Fiserv Inc Added +41,408 +$2.31M 1.3%

Showing the 10 largest of 141 changes.

Q4 2025

quarter ended December 31, 2025 · filed January 27, 2026

Company Action Shares changed Value of change % of portfolio
CC Clorox Co Del New +219,206 +$22.1M 0.9%
Labcorp Holdings Inc Trimmed −37,071 −$9.3M 0.9%
Adobe Inc Trimmed −19,087 −$6.68M —
Alphabet Inc Trimmed −19,079 −$5.97M 4.7%
MI Mondelez Intl Inc Trimmed −104,224 −$5.61M 0.2%
PA Procter And Gamble Co Added +32,029 +$4.59M 0.5%
WP West Pharmaceutical Svsc Inc Added +15,678 +$4.31M 1.7%
AN Amphenol Corp New Trimmed −25,493 −$3.45M 4.1%
Fiserv Inc Trimmed −50,303 −$3.38M 1.4%
Alphabet Inc Trimmed −8,940 −$2.81M 2.5%

Showing the 10 largest of 163 changes.

Q3 2025

quarter ended September 30, 2025 · filed October 23, 2025

Company Action Shares changed Value of change % of portfolio
AH Asml Holding N V Added +38,764 +$37.5M 1.6%
WP West Pharmaceutical Svsc Inc Added +63,638 +$16.7M 1.5%
Alphabet Inc Trimmed −40,682 −$9.89M 3.9%
Nvidia Corporation Added +50,360 +$9.4M 0.9%
Labcorp Holdings Inc Trimmed −24,877 −$7.14M 1.4%
Adobe Inc Trimmed −19,910 −$7.02M 0.3%
MI Mondelez Intl Inc Trimmed −96,604 −$6.03M 0.5%
Chewy Inc Added +127,350 +$5.15M 0.8%
Bxp Inc Added +64,616 +$4.8M 0.4%
IT Ishares Tr Trimmed −28,989 −$3.44M 1.1%

Showing the 10 largest of 128 changes.

Q2 2025

quarter ended June 30, 2025 · filed July 30, 2025

Company Action Shares changed Value of change % of portfolio
WP West Pharmaceutical Svsc Inc New +72,832 +$15.9M 0.7%
Pepsico Inc Added +92,026 +$12.2M 0.9%
Chewy Inc Added +217,716 +$9.28M 0.6%
Mobileye Global Inc Trimmed −270,575 −$4.86M 0.1%
Alphabet Inc Trimmed −24,155 −$4.26M 3.3%
Nextera Energy Inc Added +58,850 +$4.09M 0.4%
Merck & Co Inc Trimmed −46,399 −$3.67M 0.4%
IT Ishares Tr Trimmed −26,859 −$2.94M 1.2%
BH Berkshire Hathaway Inc Del Trimmed −5,753 −$2.79M 4.7%
JP J P Morgan Exchange Traded F Added +43,455 +$2.68M 0.4%

Showing the 10 largest of 144 changes.

Q1 2025

quarter ended March 31, 2025 · filed April 18, 2025

Company Action Shares changed Value of change % of portfolio
Constellation Brands Inc Trimmed −134,169 −$24.6M 0.1%
Analog Devices Inc Added +105,505 +$21.3M 1.2%
AN Amphenol Corp New Added +206,458 +$13.5M 2.5%
Merck & Co Inc Trimmed −141,579 −$12.7M 0.7%
Vertex Pharmaceuticals Inc Trimmed −24,517 −$11.9M 3.4%
CC Carlisle Cos Inc Added +30,015 +$10.2M 0.8%
Fiserv Inc Trimmed −38,673 −$8.54M 5.6%
Gentex Corp Trimmed −179,695 −$4.19M 0.4%
BH Berkshire Hathaway Inc Del Trimmed −7,118 −$3.79M 5.7%
Johnson & Johnson Trimmed −19,166 −$3.18M 1.2%

Showing the 10 largest of 150 changes.

Q4 2024

quarter ended December 31, 2024 · filed January 28, 2025

Company Action Shares changed Value of change % of portfolio
Edwards Lifesciences Corp Added +350,650 +$26M 2.5%
Merck & Co Inc Trimmed −152,689 −$15.2M 1.4%
Fiserv Inc Trimmed −35,686 −$7.33M 5.5%
HH Hayward Hldgs Inc Added +305,038 +$4.66M 0.2%
BA Bank America Corp Trimmed −78,921 −$3.47M 0.6%
Adobe Inc Added +7,532 +$3.35M 1.0%
IE Invesco Exchange Traded Fd T New +16,790 +$2.94M 0.1%
IT Ishares Tr Trimmed −4,941 −$2.91M 1.1%
Mobileye Global Inc Trimmed −135,120 −$2.69M 0.4%
Watts Water Technologies Inc Added +11,955 +$2.43M 1.6%

Showing the 10 largest of 152 changes.

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