Filed: 10/17/2025ACC: 0001168889-25-000007
📋 What this filing means
CARDEROCK CAPITAL MANAGEMENT INC filed this quarterly 13F‑HR report disclosing 72 equity positions with a total reported market value of $411.30M. This filing provides a transparent view of the manager's long equity holdings as of the quarter end.
72
Positions
$411.30M
Total AUM (reported)
1.85M
Total Shares
Allocation by class
COM$407.09M99.0%
ISHARES$4.20M1.0%
Portfolio Concentration
Top 3$45.77M11.1%
4–10$79.46M19.3%
11–25$129.84M31.6%
Rest$156.23M38.0%
Top 3 weight
11.1%
Top 10 weight
30.4%
Voting Authority Distribution
Total shares with voting rights: 1.85M
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
1.85M
shares
% of voting shares100.0%
Investment Discretion (by position count)
Sole72
Shared0
Other0
Dominant voting typeNone · 100.0% of voting shares
Institutional Holdings72
Rows:
Amphenol Corp
SOLEShares133.99K
TypeSH
Market value$16.58M
4.03%
Sole
0.00
Shared
0.00
None
133.99K
Lam Research Corp
SOLEShares121.37K
TypeSH
Market value$16.25M
3.95%
Sole
0.00
Shared
0.00
None
121.37K
Microsoft Corp
SOLEShares24.98K
TypeSH
Market value$12.94M
3.15%
Sole
0.00
Shared
0.00
None
24.98K
Alphabet Inc
SOLEShares51.93K
TypeSH
Market value$12.62M
3.07%
Sole
0.00
Shared
0.00
None
51.93K
Heico Corp
SOLEShares36.98K
TypeSH
Market value$11.94M
2.90%
Sole
0.00
Shared
0.00
None
36.98K
Apple Computer
SOLEShares45.53K
TypeSH
Market value$11.59M
2.82%
Sole
0.00
Shared
0.00
None
45.53K
O'Reilly Automotive New
SOLEShares103.96K
TypeSH
Market value$11.21M
2.73%
Sole
0.00
Shared
0.00
None
103.96K
Mastercard Worldwide
SOLEShares19.58K
TypeSH
Market value$11.14M
2.71%
Sole
0.00
Shared
0.00
None
19.58K
Idexx Labs
SOLEShares16.98K
TypeSH
Market value$10.85M
2.64%
Sole
0.00
Shared
0.00
None
16.98K
Quanta Svcs
SOLEShares24.40K
TypeSH
Market value$10.11M
2.46%
Sole
0.00
Shared
0.00
None
24.40K
S&P Global Inc
SOLEShares20.28K
TypeSH
Market value$9.87M
2.40%
Sole
0.00
Shared
0.00
None
20.28K
Cadence Design Sys
SOLEShares27.36K
TypeSH
Market value$9.61M
2.34%
Sole
0.00
Shared
0.00
None
27.36K
Cintas Corp
SOLEShares46.01K
TypeSH
Market value$9.44M
2.30%
Sole
0.00
Shared
0.00
None
46.01K
Automatic Data Proc
SOLEShares31.94K
TypeSH
Market value$9.37M
2.28%
Sole
0.00
Shared
0.00
None
31.94K
Parker Hannifin Corp
SOLEShares11.56K
TypeSH
Market value$8.76M
2.13%
Sole
0.00
Shared
0.00
None
11.56K
Costco Wholesale Co
SOLEShares9.38K
TypeSH
Market value$8.68M
2.11%
Sole
0.00
Shared
0.00
None
9.38K
Lilly Eli & Co
SOLEShares11.16K
TypeSH
Market value$8.52M
2.07%
Sole
0.00
Shared
0.00
None
11.16K
Sherwin-Williams Co
SOLEShares24.27K
TypeSH
Market value$8.40M
2.04%
Sole
0.00
Shared
0.00
None
24.27K
Ametek
SOLEShares44.19K
TypeSH
Market value$8.31M
2.02%
Sole
0.00
Shared
0.00
None
44.19K
Home Depot
SOLEShares20.38K
TypeSH
Market value$8.26M
2.01%
Sole
0.00
Shared
0.00
None
20.38K
Intuitive Surgical
SOLEShares18.36K
TypeSH
Market value$8.21M
2.00%
Sole
0.00
Shared
0.00
None
18.36K
Moody's Corp
SOLEShares17.23K
TypeSH
Market value$8.21M
2.00%
Sole
0.00
Shared
0.00
None
17.23K
Intuit
SOLEShares11.98K
TypeSH
Market value$8.18M
1.99%
Sole
0.00
Shared
0.00
None
11.98K
Waste Connections Inc
SOLEShares46.44K
TypeSH
Market value$8.16M
1.98%
Sole
0.00
Shared
0.00
None
46.44K
Monolithic Power Systems
SOLEShares8.52K
TypeSH
Market value$7.85M
1.91%
Sole
0.00
Shared
0.00
None
8.52K
| Issuer | Class | Shares | Type | Value / Portfolio % | Voting — Sole | Shared | None |
|---|---|---|---|---|---|---|---|
Amphenol CorpSOLE | COM | 133.99K | SH | $16.58M 4.03% | 0.00 | 0.00 | 133.99K |
Lam Research CorpSOLE | COM | 121.37K | SH | $16.25M 3.95% | 0.00 | 0.00 | 121.37K |
Microsoft CorpSOLE | COM | 24.98K | SH | $12.94M 3.15% | 0.00 | 0.00 | 24.98K |
Alphabet IncSOLE | COM | 51.93K | SH | $12.62M 3.07% | 0.00 | 0.00 | 51.93K |
Heico CorpSOLE | COM | 36.98K | SH | $11.94M 2.90% | 0.00 | 0.00 | 36.98K |
Apple ComputerSOLE | COM | 45.53K | SH | $11.59M 2.82% | 0.00 | 0.00 | 45.53K |
O'Reilly Automotive NewSOLE | COM | 103.96K | SH | $11.21M 2.73% | 0.00 | 0.00 | 103.96K |
Mastercard WorldwideSOLE | COM | 19.58K | SH | $11.14M 2.71% | 0.00 | 0.00 | 19.58K |
Idexx LabsSOLE | COM | 16.98K | SH | $10.85M 2.64% | 0.00 | 0.00 | 16.98K |
Quanta SvcsSOLE | COM | 24.40K | SH | $10.11M 2.46% | 0.00 | 0.00 | 24.40K |
S&P Global IncSOLE | COM | 20.28K | SH | $9.87M 2.40% | 0.00 | 0.00 | 20.28K |
Cadence Design SysSOLE | COM | 27.36K | SH | $9.61M 2.34% | 0.00 | 0.00 | 27.36K |
Cintas CorpSOLE | COM | 46.01K | SH | $9.44M 2.30% | 0.00 | 0.00 | 46.01K |
Automatic Data ProcSOLE | COM | 31.94K | SH | $9.37M 2.28% | 0.00 | 0.00 | 31.94K |
Parker Hannifin CorpSOLE | COM | 11.56K | SH | $8.76M 2.13% | 0.00 | 0.00 | 11.56K |
Costco Wholesale CoSOLE | COM | 9.38K | SH | $8.68M 2.11% | 0.00 | 0.00 | 9.38K |
Lilly Eli & CoSOLE | COM | 11.16K | SH | $8.52M 2.07% | 0.00 | 0.00 | 11.16K |
Sherwin-Williams CoSOLE | COM | 24.27K | SH | $8.40M 2.04% | 0.00 | 0.00 | 24.27K |
AmetekSOLE | COM | 44.19K | SH | $8.31M 2.02% | 0.00 | 0.00 | 44.19K |
Home DepotSOLE | COM | 20.38K | SH | $8.26M 2.01% | 0.00 | 0.00 | 20.38K |
Intuitive SurgicalSOLE | COM | 18.36K | SH | $8.21M 2.00% | 0.00 | 0.00 | 18.36K |
Moody's CorpSOLE | COM | 17.23K | SH | $8.21M 2.00% | 0.00 | 0.00 | 17.23K |
IntuitSOLE | COM | 11.98K | SH | $8.18M 1.99% | 0.00 | 0.00 | 11.98K |
Waste Connections IncSOLE | COM | 46.44K | SH | $8.16M 1.98% | 0.00 | 0.00 | 46.44K |
Monolithic Power SystemsSOLE | COM | 8.52K | SH | $7.85M 1.91% | 0.00 | 0.00 | 8.52K |
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