2026 Q1 Portfolio Activity
In 2026 Q1, GRANDFIELD & DODD, LLC maintained a portfolio of 219 distinct positions. The most significant new addition was MAGNUM ICE CREAM CO NV, now representing 0.05% of the total fund value. They heavily accumulated shares in SMITH A O CORP, increasing the position by 238.0%. Conversely, GRANDFIELD & DODD, LLC completely exited their position in EXACT SCIENCES CORP.
Position History
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Total Positions
219
Quarter
2026 Q1
Top Holding
AMAT (5.2%)
Top 10 Concentration
36.7%
Turnover Rate
23.4%
Sector HHI
0.18
Items per page:
Showing 1-50 of 219
GRANDFIELD & DODD, LLC Full Holdings List — 2026 Q1
| Stock | History | Sector / Type | Port % | Prev % | Rank / Prev | Conviction | Change | % Change | Influence | Shares | Mkt Value | Avg Cost | Price Held | 1st Owned | Source | Source Date | Date Reported | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
AMAT
APPLIED MATLS I...
|
Technology | 5.18% | 3.93% |
#1
2
Prev: #3
|
4.6 |
—
|
-1,562 | -0.6% |
P
S
|
268,345 | $91,717,701 | 2004 Q3 | 13F Filing | 2026-03-31 | 2026-05-07 | |||
|
MSFT
MICROSOFT CORP
|
Technology | 4.70% | 6.05% |
#2
1
Prev: #1
|
3.9 |
—
|
3,806 | 1.7% |
P
S
|
224,809 | $83,217,749 | 2004 Q3 | 13F Filing | 2026-03-31 | 2026-05-07 | |||
|
ADI
ANALOG DEVICES ...
|
Technology | 4.46% | 3.83% |
#3
1
Prev: #4
|
3.3 |
—
|
-1,457 | -0.6% |
P
S
|
248,177 | $78,955,031 | 2008 Q4 | 13F Filing | 2026-03-31 | 2026-05-07 | |||
|
GE
GE AEROSPACE
|
Industrials | 3.89% | 4.33% |
#4
2
Prev: #2
|
2.6 |
—
|
-5,649 | -2.3% |
P
S
|
242,587 | $68,839,106 | 2004 Q3 | 13F Filing | 2026-03-31 | 2026-05-07 | |||
|
RTX
RTX CORPORATION
|
Industrials | 3.67% | 3.53% |
#5
Prev: #5
|
2.5 |
—
|
-2,821 | -0.8% |
P
S
|
337,142 | $65,034,692 | 2020 Q2 | 13F Filing | 2026-03-31 | 2026-05-07 | |||
|
JCI
JOHNSON CONTROL...
|
Industrials | 3.56% | 3.49% |
#6
Prev: #6
|
1.9 |
—
|
-32,535 | -6.3% |
P
S
|
481,569 | $63,061,461 | 2016 Q4 | 13F Filing | 2026-03-31 | 2026-05-07 | |||
|
LIN
LINDE PLC
|
Basic Materials | 3.02% | 2.59% |
#7
3
Prev: #10
|
1.7 |
—
|
727 | 0.7% |
P
S
|
108,026 | $53,555,139 | 2018 Q4 | 13F Filing | 2026-03-31 | 2026-05-07 | |||
|
BRK/B
BERKSHIRE HATHA...
|
Financial Services | 2.74% | 2.85% |
#8
1
Prev: #7
|
1.6 |
—
|
1,039 | 1.0% |
P
S
|
101,139 | $48,465,809 | 2010 Q1 | 13F Filing | 2026-03-31 | 2026-05-07 | |||
|
CB
CHUBB LTD SWITZ
|
Financial Services | 2.72% | 2.66% |
#9
1
Prev: #8
|
1.6 |
—
|
-2,472 | -1.6% |
P
S
|
147,754 | $48,157,481 | 2004 Q3 | 13F Filing | 2026-03-31 | 2026-05-07 | |||
|
CACI
CACI INTL INC
|
Technology | 2.72% | 2.63% |
#10
1
Prev: #9
|
1.6 |
—
|
1,361 | 1.6% |
P
S
|
88,498 | $48,131,407 | 2004 Q3 | 13F Filing | 2026-03-31 | 2026-05-07 | |||
|
ALB
ALBEMARLE CORP
|
Basic Materials | 2.41% | 1.90% |
#11
5
Prev: #16
|
1.5 |
—
|
330 | 0.1% |
P
S
|
238,117 | $42,749,319 | 2017 Q1 | 13F Filing | 2026-03-31 | 2026-05-07 | |||
|
ITW
ILLINOIS TOOL W...
|
Industrials | 2.40% | 2.25% |
#12
1
Prev: #13
|
1.5 |
—
|
1,674 | 1.0% |
P
S
|
163,248 | $42,492,023 | 2004 Q3 | 13F Filing | 2026-03-31 | 2026-05-07 | |||
|
GOOGL
ALPHABET INC
|
Communication Services | 2.02% | 2.25% |
#13
1
Prev: #14
|
1.3 |
—
|
-2,427 | -1.9% |
P
S
|
124,683 | $35,853,863 | 2015 Q4 | 13F Filing | 2026-03-31 | 2026-05-07 | |||
|
PAYX
PAYCHEX INC
|
Technology | 2.01% | 2.34% |
#14
2
Prev: #12
|
1.3 |
—
|
18,346 | 5.0% |
P
S
|
386,178 | $35,574,741 | 2009 Q2 | 13F Filing | 2026-03-31 | 2026-05-07 | |||
|
ADSK
AUTODESK INC
|
Technology | 1.98% | 2.37% |
#15
4
Prev: #11
|
1.3 |
—
|
4,958 | 3.5% |
P
S
|
146,122 | $34,981,607 | 2013 Q2 | 13F Filing | 2026-03-31 | 2026-05-07 | |||
|
APD
AIR PRODUCTS AN...
|
Basic Materials | 1.82% | 1.52% |
#16
6
Prev: #22
|
1.2 |
—
|
2,075 | 1.9% |
P
S
|
111,061 | $32,262,329 | 2009 Q1 | 13F Filing | 2026-03-31 | 2026-05-07 | |||
|
SYK
STRYKER CORPORA...
|
Healthcare | 1.80% | 1.92% |
#17
2
Prev: #15
|
1.2 |
—
|
591 | 0.6% |
P
S
|
96,942 | $31,854,204 | 2013 Q2 | 13F Filing | 2026-03-31 | 2026-05-07 | |||
|
REGN
REGENERON PHARM...
|
Healthcare | 1.59% | 1.60% |
#18
2
Prev: #20
|
1.1 |
—
|
-153 | -0.4% |
P
S
|
36,415 | $28,135,740 | 2014 Q1 | 13F Filing | 2026-03-31 | 2026-05-07 | |||
|
SNPS
SYNOPSYS INC
|
Technology | 1.53% | 1.75% |
#19
1
Prev: #18
|
1.1 |
—
|
2,646 | 4.0% |
P
S
|
68,365 | $27,105,355 | 2011 Q3 | 13F Filing | 2026-03-31 | 2026-05-07 | |||
|
VRSK
VERISK ANALYTIC...
|
Industrials | 1.51% | 1.75% |
#20
3
Prev: #17
|
1.1 |
—
|
2,438 | 1.8% |
P
S
|
140,558 | $26,670,907 | 2012 Q4 | 13F Filing | 2026-03-31 | 2026-05-07 | |||
|
HXL
HEXCEL CORP NEW
|
Industrials | 1.49% | 1.37% |
#21
4
Prev: #25
|
1.1 |
—
|
-573 | -0.2% |
P
S
|
326,543 | $26,427,161 | 2020 Q2 | 13F Filing | 2026-03-31 | 2026-05-07 | |||
|
JNJ
JOHNSON & JOHNS...
|
Healthcare | 1.48% | 1.26% |
#22
7
Prev: #29
|
1.1 |
—
|
216 | 0.2% |
P
S
|
107,398 | $26,252,471 | 2004 Q3 | 13F Filing | 2026-03-31 | 2026-05-07 | |||
|
TRMB
TRIMBLE INC
|
Technology | 1.43% | 1.70% |
#23
4
Prev: #19
|
1.1 |
—
|
5,815 | 1.5% |
P
S
|
389,493 | $25,406,628 | 2015 Q2 | 13F Filing | 2026-03-31 | 2026-05-07 | |||
|
AAPL
APPLE INC
|
Technology | 1.37% | 1.48% |
#24
1
Prev: #23
|
1.0 |
—
|
-162 | -0.2% |
P
S
|
95,697 | $24,287,172 | 2005 Q3 | 13F Filing | 2026-03-31 | 2026-05-07 | |||
|
GEHC
GE HEALTHCARE T...
|
Healthcare | 1.35% | 1.56% |
#25
4
Prev: #21
|
1.0 |
—
|
1,616 | 0.5% |
P
S
|
337,024 | $23,989,375 | 2023 Q1 | 13F Filing | 2026-03-31 | 2026-05-07 | |||
|
NVS
NOVARTIS AG
|
Healthcare | 1.35% | 1.21% |
#26
4
Prev: #30
|
1.0 |
—
|
1,558 | 1.0% |
P
S
|
156,906 | $23,967,392 | 2011 Q2 | 13F Filing | 2026-03-31 | 2026-05-07 | |||
|
TDY
TELEDYNE TECHNO...
|
Technology | 1.35% | 1.15% |
#27
6
Prev: #33
|
1.0 |
—
|
-290 | -0.7% |
P
S
|
39,546 | $23,926,330 | 2021 Q2 | 13F Filing | 2026-03-31 | 2026-05-07 | |||
|
CVX
CHEVRON CORPORA...
|
Energy | 1.35% | 1.00% |
#28
10
Prev: #38
|
1.0 |
—
|
-264 | -0.2% |
P
S
|
115,506 | $23,898,242 | 2004 Q3 | 13F Filing | 2026-03-31 | 2026-05-07 | |||
|
GILD
GILEAD SCIENCES...
|
Healthcare | 1.29% | 1.20% |
#29
3
Prev: #32
|
1.0 |
—
|
-8,425 | -4.9% |
P
S
|
163,600 | $22,800,932 | 2005 Q3 | 13F Filing | 2026-03-31 | 2026-05-07 | |||
|
SHEL
SHELL PLC
|
Energy | 1.28% | 1.03% |
#30
6
Prev: #36
|
1.0 |
—
|
-1,895 | -0.8% |
P
S
|
244,719 | $22,758,867 | 2022 Q1 | 13F Filing | 2026-03-31 | 2026-05-07 | |||
|
HRL
HORMEL FOODS CO...
|
Consumer Defensive | 1.27% | 1.29% |
#31
5
Prev: #26
|
1.0 |
—
|
32,899 | 3.4% |
P
S
|
995,098 | $22,538,988 | 2004 Q4 | 13F Filing | 2026-03-31 | 2026-05-07 | |||
|
DIS
DISNEY WALT CO
|
Communication Services | 1.22% | 1.44% |
#32
8
Prev: #24
|
1.0 |
—
|
419 | 0.2% |
P
S
|
224,475 | $21,634,915 | 2005 Q2 | 13F Filing | 2026-03-31 | 2026-05-07 | |||
|
MRK
MERCK & CO INC
|
Healthcare | 1.19% | 1.00% |
#33
4
Prev: #37
|
1.0 |
—
|
7,714 | 4.6% |
P
S
|
175,775 | $21,144,076 | 2004 Q3 | 13F Filing | 2026-03-31 | 2026-05-07 | |||
|
UL
UNILEVER PLC
|
Consumer Defensive | 1.09% | 1.27% |
#34
6
Prev: #28
|
0.9 |
—
|
-2,908 | -0.8% |
P
S
|
340,169 | $19,379,428 | 2006 Q1 | 13F Filing | 2026-03-31 | 2026-05-07 | |||
|
SNY
SANOFI SA
|
Healthcare | 1.05% | 1.05% |
#35
Prev: #35
|
0.9 |
—
|
5,865 | 1.5% |
P
S
|
387,230 | $18,656,741 | 2016 Q2 | 13F Filing | 2026-03-31 | 2026-05-07 | |||
|
XOM
EXXON MOBIL COR...
|
Energy | 1.01% | 0.73% |
#36
9
Prev: #45
|
0.9 |
—
|
-1,282 | -1.2% |
P
S
|
105,125 | $17,835,656 | 2005 Q2 | 13F Filing | 2026-03-31 | 2026-05-07 | |||
|
PYPL
PAYPAL HLDGS IN...
|
Financial Services | 0.99% | 1.27% |
#37
10
Prev: #27
|
0.9 |
—
|
1,429 | 0.4% |
P
S
|
385,899 | $17,454,229 | 2015 Q3 | 13F Filing | 2026-03-31 | 2026-05-07 | |||
|
PG
PROCTER & GAMBL...
|
Consumer Defensive | 0.97% | 0.96% |
#38
2
Prev: #40
|
0.9 |
—
|
-2 | -0.0% |
P
S
|
118,874 | $17,170,234 | 2004 Q3 | 13F Filing | 2026-03-31 | 2026-05-07 | |||
|
DEO
DIAGEO PLC
|
Consumer Defensive | 0.95% | 1.21% |
#39
8
Prev: #31
|
0.9 |
—
|
-21,329 | -8.6% |
P
S
|
226,232 | $16,842,972 | 2013 Q3 | 13F Filing | 2026-03-31 | 2026-05-07 | |||
|
MTD
METTLER TOLEDO ...
|
Healthcare | 0.94% | 1.05% |
#40
6
Prev: #34
|
0.9 |
—
|
-37 | -0.3% |
P
S
|
13,257 | $16,719,728 | 2021 Q3 | 13F Filing | 2026-03-31 | 2026-05-07 | |||
|
PPG
PPG INDS INC
|
Basic Materials | 0.90% | 0.85% |
#41
1
Prev: #42
|
0.9 |
—
|
4,101 | 2.8% |
P
S
|
149,892 | $16,020,457 | 2004 Q4 | 13F Filing | 2026-03-31 | 2026-05-07 | |||
|
AZO
AUTOZONE INC
|
Consumer Cyclical | 0.89% | 0.88% |
#42
1
Prev: #41
|
0.9 |
—
|
57 | 1.2% |
P
S
|
4,662 | $15,747,210 | 2021 Q3 | 13F Filing | 2026-03-31 | 2026-05-07 | |||
|
ROK
ROCKWELL AUTOMA...
|
Industrials | 0.89% | 0.99% |
#43
4
Prev: #39
|
0.9 |
—
|
-1,370 | -3.0% |
P
S
|
43,686 | $15,678,108 | 2024 Q1 | 13F Filing | 2026-03-31 | 2026-05-07 | |||
|
WY
WEYERHAEUSER CO
|
Real Estate | 0.88% | 0.84% |
#44
1
Prev: #43
|
0.9 |
—
|
10,228 | 1.6% |
P
S
|
635,372 | $15,522,138 | 2017 Q2 | 13F Filing | 2026-03-31 | 2026-05-07 | |||
|
DVN
DEVON ENERGY CO...
|
Energy | 0.87% | 0.62% |
#45
4
Prev: #49
|
0.8 |
—
|
7,379 | 2.5% |
P
S
|
304,957 | $15,345,436 | 2005 Q2 | 13F Filing | 2026-03-31 | 2026-05-07 | |||
|
BRK/A
BERKSHIRE HATHA...
|
Financial Services | 0.61% | 0.64% |
#46
Prev: #46
|
1.2 |
—
|
no change | no change |
P
S
|
15 | $10,772,100 | 2004 Q3 | 13F Filing | 2026-03-31 | 2026-05-07 | |||
|
LW
LAMB WESTON HLD...
|
Consumer Defensive | 0.60% | 0.51% |
#47
5
Prev: #52
|
2.2 |
—
|
38,674 | 18.1% |
P
S
|
252,083 | $10,653,058 | 2024 Q4 | 13F Filing | 2026-03-31 | 2026-05-07 | |||
|
CTSH
COGNIZANT TECHN...
|
Technology | 0.59% | 0.80% |
#48
4
Prev: #44
|
0.7 |
—
|
1,513 | 0.9% |
P
S
|
171,459 | $10,519,027 | 2015 Q3 | 13F Filing | 2026-03-31 | 2026-05-07 | |||
|
VRTX
VERTEX PHARMACE...
|
Healthcare | 0.55% | 0.55% |
#49
1
Prev: #50
|
0.7 |
—
|
473 | 2.2% |
P
S
|
21,704 | $9,691,704 | 2014 Q2 | 13F Filing | 2026-03-31 | 2026-05-07 | |||
|
TMO
THERMO FISHER S...
|
Healthcare | 0.54% | 0.64% |
#50
3
Prev: #47
|
0.7 |
—
|
-40 | -0.2% |
P
S
|
19,451 | $9,561,022 | 2004 Q3 | 13F Filing | 2026-03-31 | 2026-05-07 |
Showing 1-50 of 219 holdings