CARDEROCK CAPITAL MANAGEMENT INC
CIK 1168889 · View on SEC EDGAR ↗
- Portfolio value
- $455.8M
- Positions
- 67
- As of
- June 30, 2026
#4,022 of 9,443 by 13F value · top 42.6%
Portfolio value QoQ: +12.6% 13F does not disclose cash
- Top 10 holdings weight
- 37.42%
- Top 25 holdings weight
- 69.83%
- Positions above 1%
- 42
- Effective number of positions
- 38.0
Based on 13F long-equity holdings only (cash, bonds, shorts not disclosed)
Turnover Q2 2026: 6.86% Est. buys $29,531,107 · sells $41,450,309
Median holding: 3.0 quarters Tracked Q4 2024–Q2 2026 · 43.2% still held
- New positions
- 3
- Increased
- 25
- Decreased
- 28
- Closed
- 9
On this page
- Performance vs S&P How this manager's 13F portfolio performed against the S&P 500.
- Sector breakdown How the portfolio splits across market sectors.
- Portfolio Every stock this institution reports holding, from its latest 13F.
- High-conviction bets The holdings this manager is most concentrated in.
- Biggest new bets Brand-new positions opened in the latest quarter.
- Top moves The biggest position increases and decreases this quarter.
- Exited positions Positions the manager fully sold out of last quarter.
Performance vs S&P 500
Annualized: +12.1% · S&P 500: +18.0%
Approximates a buy-and-hold portfolio built from quarterly SEC 13F snapshots. Excludes cash, short positions, options/derivatives, and non-13(f) securities — reflects the disclosed long-equity book only, not total fund AUM. SEC filing lag is up to 45 days; this is not a real-time-copyable timing.
Priceable coverage: 94.9% · Options excluded: 0.0%
Sector breakdown
Industrials
28.2%
Technology
24.5%
Healthcare
13.2%
Retail
8.1%
Financial Services
5.7%
Materials
5.2%
Financials
4.5%
Communication Services
4.4%
Consumer Staples
2.7%
Communications
1.7%
Consumer Discretionary
0.4%
Energy
0.3%
Consumer products
0.3%
Other/Unmapped
0.8%
Full portfolio 67 positions
| Type | Streak | 8Q trend | |||||
|---|---|---|---|---|---|---|---|
| LRCX Lam Research Corporation - Common Stock | $31,978,454 | 7.02% | 73,797 | $11,510,253 | Down ×3 | ||
| GOOGL Alphabet Inc. - Class A Common Stock | $20,186,402 | 4.43% | 56,486 | $3,570,610 | Down ×2 | ||
| APH Amphenol Corporation Common Stock | $18,791,304 | 4.12% | 106,575 | $4,456,391 | Down ×6 | ||
| LLY Eli Lilly and Company Common Stock | $15,374,294 | 3.37% | 12,818 | $3,801,748 | Up ×6 | ||
| AAPL Apple Inc. - Common Stock | $15,020,434 | 3.30% | 51,909 | $1,642,869 | Down ×1 | ||
| HEI Heico Corporation Common Stock | $14,276,451 | 3.13% | 40,081 | $3,987,096 | Up ×5 | ||
| MPWR Monolithic Power Systems, Inc. - Common Stock | $14,239,690 | 3.12% | 10,301 | $1,485,762 | Down ×1 | ||
| PWR Quanta Services, Inc. Common Stock | $14,127,905 | 3.10% | 19,621 | $1,572,367 | Down ×2 | ||
| FTNT Fortinet, Inc. - Common Stock | $14,040,868 | 3.08% | 91,400 | $6,595,441 | Up ×1 | ||
| MA Mastercard Incorporated Common Stock | $12,509,755 | 2.74% | 24,357 | $1,035,563 | Up ×4 | ||
| MNST Monster Beverage Corporation - Common Stock | $11,951,657 | 2.62% | 124,341 | $3,510,357 | Up ×6 | ||
| NVDA NVIDIA Corporation - Common Stock | $11,313,904 | 2.48% | 56,544 | $1,964,307 | Up ×4 | ||
| AME AMETEK, Inc. | $11,090,772 | 2.43% | 45,841 | $1,338,249 | Up ×2 | ||
| PH Parker-Hannifin Corporation Common Stock | $10,868,869 | 2.38% | 11,112 | $735,647 | Down ×1 | ||
| TMO Thermo Fisher Scientific Inc Common Stock | $10,458,370 | 2.29% | 20,860 | $4,018 | Down ×1 | ||
| MSFT Microsoft Corporation - Common Stock | $10,233,804 | 2.25% | 27,435 | $265,866 | Up ×5 | ||
| COST Costco Wholesale Corporation - Common Stock | $10,122,721 | 2.22% | 10,821 | $441,407 | Up ×4 | ||
| FSS Federal Signal Corporation Common Stock | $9,607,711 | 2.11% | 74,774 | $5,909,107 | Up ×2 | ||
| GWW W.W. Grainger, Inc. Common Stock | $9,351,390 | 2.05% | 6,874 | $2,682,178 | Up ×2 | ||
| CDNS Cadence Design Systems, Inc. - Common Stock | $9,345,093 | 2.05% | 24,899 | $1,757,019 | Down ×1 | ||
| ORLY O'Reilly Automotive, Inc. - Common Stock | $9,309,654 | 2.04% | 101,093 | $-133,936 | Down ×4 | ||
| IDXX IDEXX Laboratories, Inc. - Common Stock | $8,753,118 | 1.92% | 16,627 | $-498,963 | Up ×1 | ||
| SHW Sherwin-Williams Company (The) Common Stock | $8,745,039 | 1.92% | 25,398 | $1,068,508 | Up ×1 | ||
| STE STERIS plc (Ireland) Ordinary Shares | $8,441,751 | 1.85% | 40,090 | $-127,258 | Up ×2 | ||
| LIN Linde plc - Ordinary Shares | $8,098,578 | 1.78% | 15,606 | $739,021 | Up ×4 | ||
| MSI Motorola Solutions, Inc. Common Stock | $7,919,165 | 1.74% | 19,069 | $169,763 | Up ×4 | ||
| AON Aon plc Class A Ordinary Shares (Ireland) | $7,814,285 | 1.71% | 23,559 | $846,756 | Up ×1 | ||
| CTAS Cintas Corporation - Common Stock | $7,478,418 | 1.64% | 43,970 | $-221,681 | Down ×3 | ||
| ISRG Intuitive Surgical, Inc. - Common Stock | $7,240,560 | 1.59% | 18,207 | $-1,305,734 | Down ×1 | ||
| HD Home Depot, Inc. (The) Common Stock | $7,064,886 | 1.55% | 20,032 | $424,597 | Down ×5 | ||
| APD Air Products and Chemicals, Inc. Common Stock | $6,891,196 | 1.51% | 23,505 | $-300,755 | Down ×1 | ||
| ACGL Arch Capital Group Ltd. - Common Stock | $6,827,977 | 1.50% | 70,348 | $-29,069 | Down ×1 | ||
| SYK Stryker Corporation Common Stock | $6,813,767 | 1.50% | 21,642 | $130,904 | Up ×2 | ||
| SPGI S&P Global Inc. Common Stock | $6,661,552 | 1.46% | 16,357 | $-2,937,096 | Down ×2 | ||
| ITW Illinois Tool Works Inc. Common Stock | $6,604,877 | 1.45% | 24,420 | $307,681 | Up ×4 | ||
| MCO Moody's Corporation Common Stock | $6,227,650 | 1.37% | 13,750 | $-1,216,084 | Down ×2 | ||
| WCN Waste Connections, Inc. Common Shares | $5,838,651 | 1.28% | 35,027 | $376,119 | Up ×2 | ||
| IR Ingersoll Rand Inc. Common Stock | $5,347,634 | 1.17% | 65,223 | $169,799 | Up ×2 | ||
| ADP Automatic Data Processing, Inc. - Common Stock | $5,295,522 | 1.16% | 23,646 | $-1,688,384 | Down ×1 | ||
| TJX TJX Companies, Inc. (The) Common Stock | $5,224,629 | 1.15% | 34,486 | $734,184 | Up ×2 | ||
| WMT Walmart Inc. - Common Stock | $5,078,239 | 1.11% | 44,837 | $102,068 | Up ×2 | ||
| WSO Watsco, Inc. Common Stock | $4,800,313 | 1.05% | 11,519 | $3,472,479 | Up ×2 | ||
| INTC Intel Corporation - Common Stock | $4,468,160 | 0.98% | 32,000 | $3,056,000 | |||
| ETN Eaton Corporation, PLC Ordinary Shares | $3,903,259 | 0.86% | 9,160 | Up ×1 | |||
| AJG Arthur J. Gallagher & Co. Common Stock | $3,748,878 | 0.82% | 16,330 | ||||
| WAT Waters Corporation Common Stock | $2,781,672 | 0.61% | 7,417 | Up ×1 | |||
| BRKA | $2,246,550 | 0.49% | 3 | $92,130 | |||
| L Loews Corporation Common Stock | $1,358,520 | 0.30% | 12,000 | $77,640 | |||
| XOM Exxon Mobil Corporation Common Stock | $988,896 | 0.22% | 7,233 | $-742,993 | Down ×2 | ||
| INTU Intuit Inc. - Common Stock | $889,227 | 0.20% | 3,407 | $-5,843,794 | Down ×1 | ||
| CHD Church & Dwight Company, Inc. Common Stock | $862,038 | 0.19% | 8,898 | $-33,647 | Down ×6 | ||
| IYW | $725,161 | 0.16% | 2,875 | $203,578 | |||
| MAR Marriott International - Class A Common Stock | $673,733 | 0.15% | 1,818 | $5,529 | Down ×3 | ||
| LDOS Leidos Holdings, Inc. Common Stock | $643,665 | 0.14% | 6,251 | $-4,947,590 | Down ×1 | ||
| DRI Darden Restaurants, Inc. Common Stock | $618,030 | 0.14% | 3,000 | $29,910 | |||
| BRKB | $600,468 | 0.13% | 1,200 | $-118,332 | Down ×1 | ||
| CVX Chevron Corporation Common Stock | $593,752 | 0.13% | 3,582 | $-271,504 | Down ×1 | ||
| JPM JP Morgan Chase & Co. Common Stock | $540,422 | 0.12% | 1,651 | $-121,732 | Down ×1 | ||
| CMG Chipotle Mexican Grill, Inc. Common Stock | $530,298 | 0.12% | 15,597 | $303,315 | Up ×2 | ||
| TROW T. Rowe Price Group, Inc. - Common Stock | $392,231 | 0.09% | 3,450 | $81,248 | |||
| WDFC WD-40 Company - Common Stock | $365,460 | 0.08% | 1,500 | $-42,420 | Down ×1 | ||
| PAYX Paychex, Inc. - Common Stock | $290,074 | 0.06% | 2,950 | $18,320 | |||
| CSX CSX Corporation - Common Stock | $270,921 | 0.06% | 5,700 | $36,936 | |||
| DNP DNP Select Income Fund, Inc. Common Stock | $254,687 | 0.06% | 23,604 | $11,566 | |||
| KO Coca-Cola Company (The) Common Stock | $231,620 | 0.05% | 2,850 | $14,877 | |||
| DHR Danaher Corporation Common Stock | $210,671 | 0.05% | 1,106 | $-4,614,839 | Down ×1 | ||
| AZO AutoZone, Inc. Common Stock | $207,736 | 0.05% | 65 | $-11,820 | |||
| No matches | |||||||
Conviction holdings
Positions increased for 3+ consecutive quarters.
Share counts are as reported in 13F filings (not split-adjusted)
| Security | Value | % of portfolio | Streak |
|---|---|---|---|
| LLY | $15,374,294 | 3.37% | up ×6 |
| HEI | $14,276,451 | 3.13% | up ×5 |
| MA | $12,509,755 | 2.74% | up ×4 |
| MNST | $11,951,657 | 2.62% | up ×6 |
| NVDA | $11,313,904 | 2.48% | up ×4 |
| MSFT | $10,233,804 | 2.25% | up ×5 |
| COST | $10,122,721 | 2.22% | up ×4 |
| LIN | $8,098,578 | 1.78% | up ×4 |
| MSI | $7,919,165 | 1.74% | up ×4 |
| ITW | $6,604,877 | 1.45% | up ×4 |
Biggest new bets
New positions opened this quarter, largest first.
Top movers (QoQ)
| Security | Action | Shares Δ | Value Δ |
|---|---|---|---|
| LRCX | Trimmed | -22K | +$11.5M |
| FTNT | Bought more | +291 | +$6.6M |
| FSS | Bought more | +41K | +$5.9M |
| APH | Trimmed | -7K | +$4.5M |
| HEI | Bought more | +3K | +$4.0M |
| LLY | Bought more | +236 | +$3.8M |
| GOOGL | Trimmed | -1K | +$3.6M |
| MNST | Bought more | +8K | +$3.5M |
| WSO | Bought more | +8K | +$3.5M |
| INTC | Price move only | +0 | +$3.1M |
3 positions hidden (data completeness check)
Exited positions
Includes corporate events (mergers, delistings) — not all exits are sells
Closed positions reflect 13F reporting changes; for index managers these are often mechanical (delisting, M&A, index rebalancing), not active decisions.
| Security | Quarter | Shares before | Value before | Price since exit |
|---|---|---|---|---|
| UNH | June 30, 2025 | 10,361 | $5,426,574 | 24.2% |
| LMT | Dec. 31, 2025 | 8,508 | $4,247,279 | 17.6% |
| HSY | March 31, 2025 | 18,816 | $3,186,490 | 9.9% |
| ROP | March 31, 2026 | 6,673 | $2,970,352 | 14.4% |
| FICO | June 30, 2026 | 2,736 | $2,920,789 | -2.4% |
| BMI | March 31, 2026 | 14,010 | $2,443,484 | -15.6% |
| MTD | March 31, 2025 | 793 | $970,378 | 17.9% |
| ANSS | Sept. 30, 2025 | 1,249 | $438,674 | No longer tracked |
| FISV | March 31, 2026 | 6,024 | $404,632 | -7.6% |
| UNP | Sept. 30, 2025 | 1,720 | $395,738 | 29.6% |
| AJG | Dec. 31, 2025 | 1,050 | $325,227 | 0.5% |
| JNJ | June 30, 2026 | 1,325 | $323,883 | 5.2% |
| GIS | June 30, 2026 | 8,000 | $297,760 | 13.0% |
| PG | March 31, 2025 | 1,770 | $296,740 | -15.9% |
| DLR | June 30, 2026 | 1,600 | $288,336 | 9.3% |
| DE | Sept. 30, 2025 | 500 | $254,245 | 36.4% |
| ABT | March 31, 2026 | 1,975 | $247,448 | 11.4% |
| HON | June 30, 2026 | 1,089 | $246,147 | -1.9% |
| BMY | June 30, 2026 | 4,000 | $242,600 | 14.6% |
| DVY | June 30, 2026 | 1,600 | $242,256 | |
| ACN | June 30, 2026 | 1,155 | $229,025 | 46.7% |
| RTX | June 30, 2026 | 1,125 | $217,013 | 12.1% |
| MTD | Dec. 31, 2025 | 175 | $214,832 | -0.2% |
| CSX | March 31, 2025 | 6,650 | $214,595 | 74.9% |
| KO | Sept. 30, 2025 | 2,850 | $201,637 | 36.7% |
| NFLX | Sept. 30, 2025 | 150 | $200,869 | -93.4% |
| HIG | Sept. 30, 2025 | 1,400 | $177,618 | 3.3% |
| PG | Sept. 30, 2025 | 1,075 | $171,269 | -6.7% |
| RTX | Sept. 30, 2025 | 1,125 | $164,272 | 27.1% |
| IRT | Sept. 30, 2025 | 9,000 | $159,210 | 1.7% |
| TFC | Sept. 30, 2025 | 3,137 | $134,860 | 10.9% |
| XLV | Sept. 30, 2025 | 980 | $132,094 | No longer tracked |
| ABBV | Sept. 30, 2025 | 700 | $129,934 | 13.9% |
| MPC | Sept. 30, 2025 | 750 | $124,582 | 88.2% |
| V | Sept. 30, 2025 | 340 | $120,717 | 7.7% |
| NTRS | Sept. 30, 2025 | 850 | $107,771 | 37.9% |
| PGR | Sept. 30, 2025 | 375 | $100,072 | -10.9% |
| ADC | Sept. 30, 2025 | 1,300 | $94,978 | 4.5% |
| GS | Sept. 30, 2025 | 125 | $88,469 | 28.6% |
| WFC | Sept. 30, 2025 | 1,100 | $88,132 | 1.0% |
| MET | Sept. 30, 2025 | 1,000 | $80,420 | 14.9% |
| TRV | Sept. 30, 2025 | 300 | $80,262 | 31.2% |
| PFE | Sept. 30, 2025 | 3,200 | $77,568 | 10.1% |
| GE | Sept. 30, 2025 | 300 | $77,217 | 15.9% |
| SU | Sept. 30, 2025 | 2,000 | $74,900 | 63.2% |
| CL | Sept. 30, 2025 | 800 | $72,720 | 12.9% |
| XLU | Sept. 30, 2025 | 850 | $69,411 | No longer tracked |
| PEP | Sept. 30, 2025 | 525 | $69,321 | 1.5% |
| NEE | Sept. 30, 2025 | 950 | $65,949 | 12.6% |
| MRK | Sept. 30, 2025 | 800 | $63,328 | 80.7% |
| CARR | Sept. 30, 2025 | 800 | $58,552 | 2.1% |
| MFC | Sept. 30, 2025 | 1,800 | $57,528 | 37.5% |
| GOOG | Sept. 30, 2025 | 300 | $53,217 | 39.2% |
| MCD | Sept. 30, 2025 | 175 | $51,130 | -11.6% |
| ROST | Sept. 30, 2025 | 375 | $47,842 | 56.4% |
| VIG | Sept. 30, 2025 | 225 | $46,051 | No longer tracked |
| PANW | Sept. 30, 2025 | 225 | $46,044 | 69.0% |
| EXPD | Sept. 30, 2025 | 400 | $45,700 | 53.9% |
| CINF | Sept. 30, 2025 | 300 | $44,676 | 7.4% |
| FAST | Sept. 30, 2025 | 1,000 | $42,000 | 3.9% |
| XLK | Sept. 30, 2025 | 159 | $40,264 | No longer tracked |
| MCHP | Sept. 30, 2025 | 550 | $38,703 | 18.9% |
| KMB | Sept. 30, 2025 | 300 | $38,676 | -12.8% |
| AMZN | Sept. 30, 2025 | 125 | $27,424 | 17.4% |
| XLP | Sept. 30, 2025 | 334 | $27,044 | No longer tracked |
| MO | Sept. 30, 2025 | 450 | $26,383 | 1.0% |
| KMI | Sept. 30, 2025 | 778 | $22,873 | 11.5% |
| SPY | Sept. 30, 2025 | 36 | $22,243 | No longer tracked |
| XLY | Sept. 30, 2025 | 96 | $20,864 | No longer tracked |
| FCX | Sept. 30, 2025 | 450 | $19,507 | 96.6% |
| T | Sept. 30, 2025 | 660 | $19,100 | -10.2% |
| BMY | Sept. 30, 2025 | 400 | $18,516 | 46.5% |
| UPS | Sept. 30, 2025 | 167 | $16,857 | 23.7% |
| VAC | Sept. 30, 2025 | 184 | $13,305 | 65.9% |
| RHI | Sept. 30, 2025 | 300 | $12,315 | 29.7% |
| SO | Sept. 30, 2025 | 130 | $11,938 | -3.9% |
| TFX | Sept. 30, 2025 | 100 | $11,836 | 10.3% |
| BAM | Sept. 30, 2025 | 200 | $11,056 | -8.6% |
| TSLA | Sept. 30, 2025 | 9 | $2,859 | -21.6% |
| HSY | Sept. 30, 2025 | 9 | $1,494 | 0.5% |
| IBM | Sept. 30, 2025 | 4 | $1,179 | -17.2% |