Filed: 7/10/2025ACC: 0001168889-25-000004
📋 What this filing means
CARDEROCK CAPITAL MANAGEMENT INC filed this quarterly 13F‑HR report disclosing 139 equity positions with a total reported market value of $390.35M. This filing provides a transparent view of the manager's long equity holdings as of the quarter end.
139
Positions
$390.35M
Total AUM (reported)
1.86M
Total Shares
Allocation by class
COM$386.02M98.9%
ISHARES$4.33M1.1%
Portfolio Concentration
Top 3$37.51M9.6%
4–10$72.20M18.5%
11–25$129.84M33.3%
Rest$150.81M38.6%
Top 3 weight
9.6%
Top 10 weight
28.1%
Voting Authority Distribution
Total shares with voting rights: 1.86M
Sole
Full voting authority
0.00
shares
% of voting shares0.0%
Shared
Joint voting authority
0.00
shares
% of voting shares0.0%
None
No voting authority
1.86M
shares
% of voting shares100.0%
Investment Discretion (by position count)
Sole139
Shared0
Other0
Dominant voting typeNone · 100.0% of voting shares
Institutional Holdings139
Rows:
Amphenol Corp
SOLEShares137.28K
TypeSH
Market value$13.56M
3.47%
Sole
0.00
Shared
0.00
None
137.28K
Microsoft Corp
SOLEShares24.47K
TypeSH
Market value$12.17M
3.12%
Sole
0.00
Shared
0.00
None
24.47K
Heico Corp
SOLEShares35.91K
TypeSH
Market value$11.78M
3.02%
Sole
0.00
Shared
0.00
None
35.91K
Lam Research Corp
SOLEShares118.24K
TypeSH
Market value$11.51M
2.95%
Sole
0.00
Shared
0.00
None
118.24K
Mastercard Worldwide
SOLEShares19.09K
TypeSH
Market value$10.73M
2.75%
Sole
0.00
Shared
0.00
None
19.09K
S&P Global Inc
SOLEShares19.97K
TypeSH
Market value$10.53M
2.70%
Sole
0.00
Shared
0.00
None
19.97K
Cintas Corp
SOLEShares45.46K
TypeSH
Market value$10.13M
2.60%
Sole
0.00
Shared
0.00
None
45.46K
Automatic Data Proc
SOLEShares31.97K
TypeSH
Market value$9.86M
2.53%
Sole
0.00
Shared
0.00
None
31.97K
Intuitive Surgical
SOLEShares17.89K
TypeSH
Market value$9.72M
2.49%
Sole
0.00
Shared
0.00
None
17.89K
O'Reilly Automotive New
SOLEShares107.86K
TypeSH
Market value$9.72M
2.49%
Sole
0.00
Shared
0.00
None
107.86K
Fortinet Inc
SOLEShares88.56K
TypeSH
Market value$9.36M
2.40%
Sole
0.00
Shared
0.00
None
88.56K
Costco Wholesale Co
SOLEShares9.21K
TypeSH
Market value$9.12M
2.34%
Sole
0.00
Shared
0.00
None
9.21K
Apple Computer
SOLEShares44.26K
TypeSH
Market value$9.08M
2.33%
Sole
0.00
Shared
0.00
None
44.26K
Intuit
SOLEShares11.35K
TypeSH
Market value$8.94M
2.29%
Sole
0.00
Shared
0.00
None
11.35K
Alphabet Inc
SOLEShares50.23K
TypeSH
Market value$8.85M
2.27%
Sole
0.00
Shared
0.00
None
50.23K
Quanta Svcs
SOLEShares23.38K
TypeSH
Market value$8.84M
2.26%
Sole
0.00
Shared
0.00
None
23.38K
Idexx Labs
SOLEShares16.45K
TypeSH
Market value$8.82M
2.26%
Sole
0.00
Shared
0.00
None
16.45K
Lilly Eli & Co
SOLEShares11.04K
TypeSH
Market value$8.61M
2.20%
Sole
0.00
Shared
0.00
None
11.04K
Sherwin-Williams Co
SOLEShares25.05K
TypeSH
Market value$8.60M
2.20%
Sole
0.00
Shared
0.00
None
25.05K
Waste Connections Inc
SOLEShares46.03K
TypeSH
Market value$8.59M
2.20%
Sole
0.00
Shared
0.00
None
46.03K
Fair Isaac Corp
SOLEShares4.65K
TypeSH
Market value$8.50M
2.18%
Sole
0.00
Shared
0.00
None
4.65K
Cadence Design Sys
SOLEShares27.30K
TypeSH
Market value$8.41M
2.16%
Sole
0.00
Shared
0.00
None
27.30K
Moody's Corp
SOLEShares16.61K
TypeSH
Market value$8.33M
2.13%
Sole
0.00
Shared
0.00
None
16.61K
Ametek
SOLEShares44.12K
TypeSH
Market value$7.98M
2.05%
Sole
0.00
Shared
0.00
None
44.12K
Parker Hannifin Corp
SOLEShares11.16K
TypeSH
Market value$7.79M
2.00%
Sole
0.00
Shared
0.00
None
11.16K
| Issuer | Class | Shares | Type | Value / Portfolio % | Voting — Sole | Shared | None |
|---|---|---|---|---|---|---|---|
Amphenol CorpSOLE | COM | 137.28K | SH | $13.56M 3.47% | 0.00 | 0.00 | 137.28K |
Microsoft CorpSOLE | COM | 24.47K | SH | $12.17M 3.12% | 0.00 | 0.00 | 24.47K |
Heico CorpSOLE | COM | 35.91K | SH | $11.78M 3.02% | 0.00 | 0.00 | 35.91K |
Lam Research CorpSOLE | COM | 118.24K | SH | $11.51M 2.95% | 0.00 | 0.00 | 118.24K |
Mastercard WorldwideSOLE | COM | 19.09K | SH | $10.73M 2.75% | 0.00 | 0.00 | 19.09K |
S&P Global IncSOLE | COM | 19.97K | SH | $10.53M 2.70% | 0.00 | 0.00 | 19.97K |
Cintas CorpSOLE | COM | 45.46K | SH | $10.13M 2.60% | 0.00 | 0.00 | 45.46K |
Automatic Data ProcSOLE | COM | 31.97K | SH | $9.86M 2.53% | 0.00 | 0.00 | 31.97K |
Intuitive SurgicalSOLE | COM | 17.89K | SH | $9.72M 2.49% | 0.00 | 0.00 | 17.89K |
O'Reilly Automotive NewSOLE | COM | 107.86K | SH | $9.72M 2.49% | 0.00 | 0.00 | 107.86K |
Fortinet IncSOLE | COM | 88.56K | SH | $9.36M 2.40% | 0.00 | 0.00 | 88.56K |
Costco Wholesale CoSOLE | COM | 9.21K | SH | $9.12M 2.34% | 0.00 | 0.00 | 9.21K |
Apple ComputerSOLE | COM | 44.26K | SH | $9.08M 2.33% | 0.00 | 0.00 | 44.26K |
IntuitSOLE | COM | 11.35K | SH | $8.94M 2.29% | 0.00 | 0.00 | 11.35K |
Alphabet IncSOLE | COM | 50.23K | SH | $8.85M 2.27% | 0.00 | 0.00 | 50.23K |
Quanta SvcsSOLE | COM | 23.38K | SH | $8.84M 2.26% | 0.00 | 0.00 | 23.38K |
Idexx LabsSOLE | COM | 16.45K | SH | $8.82M 2.26% | 0.00 | 0.00 | 16.45K |
Lilly Eli & CoSOLE | COM | 11.04K | SH | $8.61M 2.20% | 0.00 | 0.00 | 11.04K |
Sherwin-Williams CoSOLE | COM | 25.05K | SH | $8.60M 2.20% | 0.00 | 0.00 | 25.05K |
Waste Connections IncSOLE | COM | 46.03K | SH | $8.59M 2.20% | 0.00 | 0.00 | 46.03K |
Fair Isaac CorpSOLE | COM | 4.65K | SH | $8.50M 2.18% | 0.00 | 0.00 | 4.65K |
Cadence Design SysSOLE | COM | 27.30K | SH | $8.41M 2.16% | 0.00 | 0.00 | 27.30K |
Moody's CorpSOLE | COM | 16.61K | SH | $8.33M 2.13% | 0.00 | 0.00 | 16.61K |
AmetekSOLE | COM | 44.12K | SH | $7.98M 2.05% | 0.00 | 0.00 | 44.12K |
Parker Hannifin CorpSOLE | COM | 11.16K | SH | $7.79M 2.00% | 0.00 | 0.00 | 11.16K |
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