2026 Q2 Portfolio Activity
In 2026 Q2, CARDEROCK CAPITAL MANAGEMENT INC maintained a portfolio of 76 distinct positions. The most significant new addition was EATON CORP PLC, now representing 0.86% of the total fund value. They heavily accumulated shares in FEDERAL SIGNAL CORP, increasing the position by 118.6%. The fund also reduced its exposure to INTUIT by 78.1%.
Position History
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Total Positions
76
Quarter
2026 Q2
Top Holding
LRCX (7.0%)
Top 10 Concentration
37.4%
Turnover Rate
23.4%
Sector HHI
0.18
Items per page:
Showing 1-50 of 76
CARDEROCK CAPITAL MANAGEMENT INC Full Holdings List — 2026 Q2
| 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 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
LRCX
LAM RESEARCH CO...
|
Technology | 7.02% | 5.06% |
#1
Prev: #1
|
4.8 |
—
|
-22,001 | -23.0% |
P
S
|
73,797 | $31,978,454 | 2021 Q2 | 13F Filing | 2026-06-30 | 2026-07-07 | |||
|
GOOGL
ALPHABET INC
|
Communication Services | 4.43% | 4.10% |
#2
Prev: #2
|
3.8 |
—
|
-1,296 | -2.2% |
P
S
|
56,486 | $20,186,402 | 2015 Q4 | 13F Filing | 2026-06-30 | 2026-07-07 | |||
|
APH
AMPHENOL CORP
|
Technology | 4.12% | 3.54% |
#3
Prev: #3
|
3.1 |
—
|
-6,879 | -6.1% |
P
S
|
106,575 | $18,791,304 | 2007 Q3 | 13F Filing | 2026-06-30 | 2026-07-07 | |||
|
LLY
ELI LILLY & CO
|
Healthcare | 3.37% | 2.86% |
#4
3
Prev: #7
|
2.3 |
—
|
236 | 1.9% |
P
S
|
12,818 | $15,374,294 | 2023 Q1 | 13F Filing | 2026-06-30 | 2026-07-07 | |||
|
AAPL
APPLE INC
|
Technology | 3.30% | 3.30% |
#5
1
Prev: #4
|
2.3 |
—
|
-802 | -1.5% |
P
S
|
51,909 | $15,020,434 | 2009 Q1 | 13F Filing | 2026-06-30 | 2026-07-07 | |||
|
HEI
HEICO CORP NEW
|
Industrials | 3.13% | 2.54% |
#6
4
Prev: #10
|
3.3 |
—
|
2,556 | 6.8% |
P
S
|
40,081 | $14,276,451 | 2023 Q1 | 13F Filing | 2026-06-30 | 2026-07-07 | |||
|
MPWR
MONOLITHIC PWR ...
|
Technology | 3.12% | 3.15% |
#7
2
Prev: #5
|
1.7 |
—
|
-1,364 | -11.7% |
P
S
|
10,301 | $14,239,690 | 2024 Q1 | 13F Filing | 2026-06-30 | 2026-07-07 | |||
|
PWR
QUANTA SVCS INC
|
Industrials | 3.10% | 3.10% |
#8
2
Prev: #6
|
1.7 |
—
|
-3,248 | -14.2% |
P
S
|
19,621 | $14,127,905 | 2022 Q4 | 13F Filing | 2026-06-30 | 2026-07-07 | |||
|
FTNT
FORTINET INC
|
Technology | 3.08% | 1.84% |
#9
17
Prev: #26
|
1.7 |
—
|
291 | 0.3% |
P
S
|
91,400 | $14,040,868 | 2020 Q4 | 13F Filing | 2026-06-30 | 2026-07-07 | |||
|
MA
MASTERCARD INCO...
|
Financial Services | 2.74% | 2.83% |
#10
2
Prev: #8
|
3.1 |
—
|
1,393 | 6.1% |
P
S
|
24,357 | $12,509,755 | 2011 Q4 | 13F Filing | 2026-06-30 | 2026-07-07 | |||
|
MNST
MONSTER BEVERAG...
|
Consumer Defensive | 2.62% | 2.09% |
#11
10
Prev: #21
|
3.0 |
—
|
7,845 | 6.7% |
P
S
|
124,341 | $11,951,657 | 2024 Q2 | 13F Filing | 2026-06-30 | 2026-07-07 | |||
|
NVDA
NVIDIA CORPORAT...
|
Technology | 2.48% | 2.31% |
#12
5
Prev: #17
|
3.0 |
—
|
2,934 | 5.5% |
P
S
|
56,544 | $11,313,904 | 2024 Q2 | 13F Filing | 2026-06-30 | 2026-07-07 | |||
|
AME
AMETEK INC
|
Industrials | 2.43% | 2.41% |
#13
Prev: #13
|
1.5 |
—
|
345 | 0.8% |
P
S
|
45,841 | $11,090,772 | 2006 Q4 | 13F Filing | 2026-06-30 | 2026-07-07 | |||
|
PH
PARKER-HANNIFIN...
|
Industrials | 2.38% | 2.50% |
#14
3
Prev: #11
|
1.5 |
—
|
-207 | -1.8% |
P
S
|
11,112 | $10,868,869 | 2008 Q2 | 13F Filing | 2026-06-30 | 2026-07-07 | |||
|
TMO
THERMO FISHER S...
|
Healthcare | 2.29% | 2.58% |
#15
6
Prev: #9
|
1.4 |
—
|
-409 | -1.9% |
P
S
|
20,860 | $10,458,370 | 2008 Q3 | 13F Filing | 2026-06-30 | 2026-07-07 | |||
|
MSFT
MICROSOFT CORP
|
Technology | 2.25% | 2.46% |
#16
4
Prev: #12
|
1.4 |
—
|
507 | 1.9% |
P
S
|
27,435 | $10,233,804 | 2001 Q4 | 13F Filing | 2026-06-30 | 2026-07-07 | |||
|
COST
COSTCO WHOLESAL...
|
Consumer Defensive | 2.22% | 2.39% |
#17
3
Prev: #14
|
2.9 |
—
|
1,105 | 11.4% |
P
S
|
10,821 | $10,122,721 | 2014 Q1 | 13F Filing | 2026-06-30 | 2026-07-07 | |||
|
FSS
FEDERAL SIGNAL ...
|
Industrials | 2.11% | 0.91% |
#18
26
Prev: #44
|
3.8 |
—
|
40,572 | 118.6% |
P
S
|
74,774 | $9,607,711 | 2025 Q4 | 13F Filing | 2026-06-30 | 2026-07-07 | |||
|
GWW
WW GRAINGER INC
|
Industrials | 2.05% | 1.65% |
#19
16
Prev: #35
|
2.8 |
—
|
760 | 12.4% |
P
S
|
6,874 | $9,351,390 | 2001 Q4 | 13F Filing | 2026-06-30 | 2026-07-07 | |||
|
CDNS
CADENCE DESIGN ...
|
Technology | 2.05% | 1.87% |
#20
5
Prev: #25
|
1.3 |
—
|
-2,409 | -8.8% |
P
S
|
24,899 | $9,345,093 | 2020 Q4 | 13F Filing | 2026-06-30 | 2026-07-07 | |||
|
ORLY
OREILLY AUTOMOT...
|
Consumer Cyclical | 2.04% | 2.33% |
#21
5
Prev: #16
|
1.3 |
—
|
-1,210 | -1.2% |
P
S
|
101,093 | $9,309,654 | 2010 Q4 | 13F Filing | 2026-06-30 | 2026-07-07 | |||
|
IDXX
IDEXX LABS INC
|
Healthcare | 1.92% | 2.29% |
#22
4
Prev: #18
|
1.3 |
—
|
161 | 1.0% |
P
S
|
16,627 | $8,753,118 | 2002 Q1 | 13F Filing | 2026-06-30 | 2026-07-07 | |||
|
SHW
SHERWIN WILLIAM...
|
Basic Materials | 1.92% | 1.90% |
#23
1
Prev: #24
|
2.8 |
—
|
1,450 | 6.1% |
P
S
|
25,398 | $8,745,039 | 2017 Q1 | 13F Filing | 2026-06-30 | 2026-07-07 | |||
|
STE
STERIS PLC
|
Healthcare | 1.85% | 2.12% |
#24
5
Prev: #19
|
1.2 |
—
|
1,339 | 3.5% |
P
S
|
40,090 | $8,441,751 | 2023 Q4 | 13F Filing | 2026-06-30 | 2026-07-07 | |||
|
LIN
LINDE PLC
|
Basic Materials | 1.78% | 1.82% |
#25
3
Prev: #28
|
2.7 |
—
|
761 | 5.1% |
P
S
|
15,606 | $8,098,578 | 2025 Q2 | 13F Filing | 2026-06-30 | 2026-07-07 | |||
|
MSI
MOTOROLA SOLUTI...
|
Technology | 1.74% | 1.91% |
#26
4
Prev: #22
|
2.7 |
—
|
1,212 | 6.8% |
P
S
|
19,069 | $7,919,165 | 2021 Q3 | 13F Filing | 2026-06-30 | 2026-07-07 | |||
|
AON
AON PLC
|
Financial Services | 1.71% | 1.72% |
#27
4
Prev: #31
|
2.7 |
—
|
1,973 | 9.1% |
P
S
|
23,559 | $7,814,285 | 2015 Q2 | 13F Filing | 2026-06-30 | 2026-07-07 | |||
|
CTAS
CINTAS CORP
|
Industrials | 1.64% | 1.90% |
#28
5
Prev: #23
|
1.2 |
—
|
-1,555 | -3.4% |
P
S
|
43,970 | $7,478,418 | 2001 Q4 | 13F Filing | 2026-06-30 | 2026-07-07 | |||
|
ISRG
INTUITIVE SURGI...
|
Healthcare | 1.59% | 2.11% |
#29
9
Prev: #20
|
1.1 |
—
|
-332 | -1.8% |
P
S
|
18,207 | $7,240,560 | 2011 Q4 | 13F Filing | 2026-06-30 | 2026-07-07 | |||
|
HD
HOME DEPOT INC
|
Consumer Cyclical | 1.55% | 1.64% |
#30
6
Prev: #36
|
1.1 |
—
|
-158 | -0.8% |
P
S
|
20,032 | $7,064,886 | 2001 Q4 | 13F Filing | 2026-06-30 | 2026-07-07 | |||
|
APD
AIR PRODUCTS AN...
|
Basic Materials | 1.51% | 1.78% |
#31
2
Prev: #29
|
1.1 |
—
|
-1,253 | -5.1% |
P
S
|
23,505 | $6,891,196 | 2015 Q4 | 13F Filing | 2026-06-30 | 2026-07-07 | |||
|
ACGL
ARCH CAP GROUP ...
|
Financial Services | 1.50% | 1.69% |
#32
Prev: #32
|
1.1 |
—
|
-1,087 | -1.5% |
P
S
|
70,348 | $6,827,977 | 2023 Q1 | 13F Filing | 2026-06-30 | 2026-07-07 | |||
|
SYK
STRYKER CORPORA...
|
Healthcare | 1.50% | 1.65% |
#33
1
Prev: #34
|
2.6 |
—
|
1,304 | 6.4% |
P
S
|
21,642 | $6,813,767 | 2001 Q4 | 13F Filing | 2026-06-30 | 2026-07-07 | |||
|
SPGI
S&P GLOBAL INC
|
Financial Services | 1.46% | 2.37% |
#34
19
Prev: #15
|
0.6 |
—
|
-6,210 | -27.5% |
P
S
|
16,357 | $6,661,552 | 2020 Q2 | 13F Filing | 2026-06-30 | 2026-07-07 | |||
|
ITW
ILLINOIS TOOL W...
|
Industrials | 1.45% | 1.56% |
#35
2
Prev: #37
|
1.1 |
—
|
227 | 0.9% |
P
S
|
24,420 | $6,604,877 | 2001 Q4 | 13F Filing | 2026-06-30 | 2026-07-07 | |||
|
MCO
MOODYS CORP
|
Financial Services | 1.37% | 1.84% |
#36
9
Prev: #27
|
1.0 |
—
|
-3,313 | -19.4% |
P
S
|
13,750 | $6,227,650 | 2006 Q4 | 13F Filing | 2026-06-30 | 2026-07-07 | |||
|
WCN
WASTE CONNECTIO...
|
Industrials | 1.28% | 1.35% |
#37
2
Prev: #39
|
1.0 |
—
|
1,399 | 4.2% |
P
S
|
35,027 | $5,838,651 | 2020 Q2 | 13F Filing | 2026-06-30 | 2026-07-07 | |||
|
IR
INGERSOLL RAND ...
|
Industrials | 1.17% | 1.28% |
#38
2
Prev: #40
|
1.0 |
—
|
597 | 0.9% |
P
S
|
65,223 | $5,347,634 | 2023 Q2 | 13F Filing | 2026-06-30 | 2026-07-07 | |||
|
ADP
AUTOMATIC DATA ...
|
Technology | 1.16% | 1.73% |
#39
9
Prev: #30
|
0.5 |
—
|
-10,727 | -31.2% |
P
S
|
23,646 | $5,295,522 | 2001 Q4 | 13F Filing | 2026-06-30 | 2026-07-07 | |||
|
TJX
TJX COS INC NEW
|
Consumer Cyclical | 1.15% | 1.11% |
#40
3
Prev: #43
|
3.0 |
—
|
6,368 | 22.6% |
P
S
|
34,486 | $5,224,629 | 2025 Q4 | 13F Filing | 2026-06-30 | 2026-07-07 | |||
|
WMT
WALMART INC
|
Consumer Defensive | 1.11% | 1.23% |
#41
Prev: #41
|
2.4 |
—
|
4,797 | 12.0% |
P
S
|
44,837 | $5,078,239 | 2001 Q4 | 13F Filing | 2026-06-30 | 2026-07-07 | |||
|
WSO
WATSCO INC
|
Industrials | 1.05% | 0.33% |
#42
7
Prev: #49
|
3.4 |
—
|
7,869 | 215.6% |
P
S
|
11,519 | $4,800,313 | 2024 Q2 | 13F Filing | 2026-06-30 | 2026-07-07 | |||
|
INTC
INTEL CORP
|
Technology | 0.98% | 0.35% |
#43
5
Prev: #48
|
1.4 |
—
|
no change | no change |
P
S
|
32,000 | $4,468,160 | 2001 Q4 | 13F Filing | 2026-06-30 | 2026-07-07 | |||
|
ETN
EATON CORP PLC
|
Industrials | 0.86% | — |
#44
Prev: #—
|
3.8 |
—
|
9,160 | — |
NEW
|
9,160 | $3,903,259 | 2021 Q3 | 13F Filing | 2026-06-30 | 2026-07-07 | |||
|
AJG
GALLAGHER ARTHU...
|
Financial Services | 0.82% | — |
#45
Prev: #—
|
3.8 |
—
|
16,330 | — |
NEW
|
16,330 | $3,748,878 | 2013 Q1 | 13F Filing | 2026-06-30 | 2026-07-07 | |||
|
WAT
WATERS CORP
|
Healthcare | 0.61% | — |
#46
Prev: #—
|
3.7 |
—
|
7,417 | — |
NEW
|
7,417 | $2,781,672 | 2021 Q3 | 13F Filing | 2026-06-30 | 2026-07-07 | |||
|
BRK/A
BERKSHIRE HATHA...
|
Financial Services | 0.49% | 0.53% |
#47
1
Prev: #46
|
1.2 |
—
|
no change | no change |
P
S
|
3 | $2,246,550 | 2026 Q1 | 13F Filing | 2026-06-30 | 2026-07-07 | |||
|
L
LOEWS CORP
|
Financial Services | 0.30% | 0.32% |
#48
2
Prev: #50
|
1.1 |
—
|
no change | no change |
P
S
|
12,000 | $1,358,520 | 2026 Q1 | 13F Filing | 2026-06-30 | 2026-07-07 | |||
|
XOM
EXXON MOBIL COR...
|
Energy | 0.22% | 0.43% |
#49
2
Prev: #47
|
0.1 |
—
|
-2,975 | -29.1% |
P
S
|
7,233 | $988,896 | 2001 Q4 | 13F Filing | 2026-06-30 | 2026-07-07 | |||
|
INTU
INTUIT
|
Technology | 0.20% | 1.66% |
#50
17
Prev: #33
|
0.1 |
—
|
-12,165 | -78.1% |
P
S
|
3,407 | $889,227 | 2012 Q1 | 13F Filing | 2026-06-30 | 2026-07-07 |
Showing 1-50 of 76 holdings