CIK: 0001308331
Total reported value
$225.3M
Reporting period: 2026-03-31 · Number of holdings: 119
Boit C F David disclosed 119 holdings in its latest 13F filing for the period ending 2026-03-31, with total reported value of $225.3M and a quarterly turnover rate of 13.0%.
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Boit C F David's disclosed holdings carry a Herfindahl concentration index of 0.031 — mathematically equivalent to about 33 equally-sized positions, well below its 119 actual disclosed holdings. That gap points to a strategy built around a small core of high-conviction bets rather than broad diversification.
Position sizes vary widely across the portfolio (a coefficient of variation of 1.62), with a handful of outsized bets alongside many smaller positions.
No strong tilt toward either adding to existing winners or initiating outsized new positions was observed in the latest reported quarter.
Add XOM
0.0% $3.8M
Trim MSFT
+2.5% -$3.2M
Trim ADP
0.0% -$1.4M
Trim GOOGL
0.0% -$1.6M
Add JNJ
-5.3% $1.0M
Add LIN
+250.0% $1.0M
Showing top 117 holdings (of 119 total)
| # | Ticker | Issuer | Asset Subclass | Weight | Weight Change | Shares Change | 4Q Trend |
|---|---|---|---|---|---|---|---|
| 1 | BRK-B | Berkshire Hathaway Inc-cl B | Stock-Other | 6.73% | -0.09% | — | |
| 2 | XOM | Exxon Mobil CORP | Stock-Energy | 6.33% | +1.80% | — | |
| 3 | MSFT | Microsoft CORP | Stock-Tech | 5.36% | -1.23% | +2.52% | |
| 4 | CAT | Caterpillar INC | Stock-Industrials | 5.19% | — | -12.23% | |
| 5 | GOOGL | Alphabet Inc-cl A | Stock-Comm Services | 4.89% | -0.55% | — | |
| 6 | V | Visa Inc-class A Shares | Stock-Financials | 4.13% | — | — | |
| 7 | JNJ | Johnson & Johnson | Stock-Healthcare | 3.85% | +0.54% | -5.33% | |
| 8 | AVGO | Broadcom INC | Stock-Tech | 3.81% | -0.33% | — | |
| 9 | MRK | Merck & Co. INC. | Stock-Healthcare | 3.75% | +0.39% | — | |
| 10 | AAPL | Apple INC | Stock-Tech | 3.38% | +0.02% | — | |
| 11 | MCD | Mcdonald's CORP | Stock-Consumer Disc | 2.73% | — | — | |
| 12 | MA | Mastercard INC - A | Stock-Financials | 2.47% | -0.30% | — | |
| 13 | ABBV | Abbvie INC | Stock-Healthcare | 2.37% | — | — | |
| 14 | CB | Chubb Limited | Stock-Financials | 2.34% | +0.20% | — | |
| 15 | BAC | Bank Of America CORP | Stock-Financials | 2.32% | -0.27% | — | |
| 16 | ADP | Automatic Data Processing | Stock-Tech | 2.02% | -0.56% | — | |
| 17 | JPM | Jpmorgan Chase & Co | Stock-Financials | 1.90% | -0.20% | -1.36% | |
| 18 | INTU | Intuit INC | Stock-Tech | 1.75% | -0.46% | +15.19% | |
| 19 | SYK | Stryker CORP | Stock-Healthcare | 1.70% | -0.15% | — | |
| 20 | QCOM | Qualcomm INC | Stock-Tech | 1.70% | — | — | |
| 21 | ADI | Analog Devices INC | Stock-Tech | 1.69% | +0.14% | — | |
| 22 | PG | Procter & Gamble Co/the | Stock-Consumer Staples | 1.62% | — | — | |
| 23 | ABT | Abbott Laboratories | Stock-Healthcare | 1.49% | -0.29% | — | |
| 24 | PEP | Pepsico INC | Stock-Consumer Staples | 1.42% | — | — | |
| 25 | LMT | Lockheed Martin CORP | Stock-Industrials | 1.41% | +0.18% | — | |
| 26 | PH | Parker Hannifin CORP | Stock-Industrials | 1.23% | — | — | |
| 27 | GLW | Corning INC | Stock-Tech | 1.03% | +0.40% | — | |
| 28 | NVS | Novartis Ag-sponsored Adr | Stock-Healthcare | 0.87% | +0.09% | — | |
| 29 | EOG | Eog Resources INC | Stock-Energy | 0.75% | +0.22% | — | |
| 30 | CHD | Church & Dwight Co INC | Stock-Consumer Staples | 0.75% | -0.11% | -21.61% | |
| 31 | DHR | Danaher CORP | Stock-Healthcare | 0.74% | -0.17% | — | |
| 32 | PCAR | Paccar INC | Stock-Industrials | 0.68% | — | — | |
| 33 | AMT | American Tower CORP | Stock-Real Estate | 0.67% | — | — | |
| 34 | ORCL | Oracle CORP | Stock-Tech | 0.64% | -0.20% | — | |
| 35 | AMGN | Amgen INC | Stock-Healthcare | 0.62% | +0.06% | — | |
| 36 | LIN | Linde plc | Stock-Materials | 0.62% | +0.47% | +250.00% | |
| 37 | CL | Colgate-palmolive Co | Stock-Consumer Staples | 0.61% | — | — | |
| 38 | PFE | Pfizer INC | Stock-Healthcare | 0.61% | +0.07% | — | |
| 39 | UNP | Union Pacific CORP | Stock-Industrials | 0.61% | — | — | |
| 40 | TMO | Thermo Fisher Scientific INC | Stock-Healthcare | 0.59% | -0.14% | — | |
| 41 | PPG | Ppg Industries INC | Stock-Materials | 0.52% | — | — | |
| 42 | GE | General Electric | Stock-Industrials | 0.50% | -0.05% | — | |
| 43 | BKNG | Booking Holdings INC | Stock-Consumer Disc | 0.47% | -0.12% | — | |
| 44 | NVDA | Nvidia CORP | Stock-Tech | 0.46% | — | — | |
| 45 | AMAT | Applied Materials INC | Stock-Tech | 0.46% | +0.07% | — | |
| 46 | AMZN | Amazon.com INC | Stock-Consumer Disc | 0.43% | -0.04% | +4.50% | |
| 47 | CSL | Carlisle Cos INC | Stock-Industrials | 0.41% | +0.41% | NEW | |
| 48 | GWW | Ww Grainger INC | Stock-Industrials | 0.39% | — | — | |
| 49 | SPGI | S&p Global INC | Stock-Financials | 0.39% | +0.23% | +192.86% | |
| 50 | IBM | Intl Business Machines CORP | Stock-Tech | 0.39% | -0.08% | — |
Performance for Q3 2026
+1.8%
Performance Last 4 Quarters
+19.3%
Based on 75% of reported portfolio value with available pricing
| Period | Holdings | Total value | Stability | Top holdings |
|---|---|---|---|---|
| 2026-03-31 | 119 | $225.3M | 13 | |
| 2025-12-31 | 121 | $231.4M | 9 | |
| 2025-09-30 | 119 | $221.0M | 17 | |
| 2025-06-30 | 124 | $207.9M | 0 | |
| 2025-03-31 | 129 | $199.3M | 100 | |
| 2024-12-31 | 128 | $246.0M | 0 | |
| 2024-09-30 | 129 | $201.9M | 0 | |
| 2024-06-30 | 129 | $191.9M | 0 | |
| 2024-03-31 | 119 | $183.0M | 0 | |
| 2023-12-31 | 134 | $177.0M | 0 | |
| 2023-09-30 | 106 | $146.1M | 0 | |
| 2023-06-30 | 109 | $150.7M | 0 | |
| 2023-03-31 | 109 | $146.4M | 0 | |
| 2022-12-31 | 107 | $140.3M | 0 | |
| 2022-09-30 | 109 | $123.0M | 0 | |
| 2022-03-31 | 110 | $152.2M | 0 | |
| 2021-12-31 | 116 | $157.6M | 0 | |
| 2021-09-30 | 115 | $145.7M | 0 | |
| 2021-06-30 | 101 | $131.3M | — |
Boit C F David's most significant position changes for 2026-03-31: New buy: Carlisle Cos INC (CSL); Sold out: Wex INC (WEX); Sold out: Align Technology INC (ALGN); Add: Microsoft CORP (MSFT) — shares +2.52%; Trim: Johnson & Johnson (JNJ) — shares -5.33%.
| # | Ticker | Issuer | Weight Change | Shares Change | Action |
|---|---|---|---|---|---|
| 1 | XOM | Exxon Mobil CORP | +1.8% | — | Unchanged |
| 2 | JNJ | Johnson & Johnson | +0.5% | -5.33% | Trim |
| 3 | LIN | Linde plc | +0.5% | +250.00% | Add |
| 4 | GLW | Corning INC | +0.4% | — | Unchanged |
| 5 | MRK | Merck & Co. INC. | +0.4% | — | Unchanged |
| 6 | SPGI | S&p Global INC | +0.2% | +192.86% | Add |
| 7 | EOG | Eog Resources INC | +0.2% | — | Unchanged |
| 8 | CB | Chubb Limited | +0.2% | — | Unchanged |
| 9 | LMT | Lockheed Martin CORP | +0.2% | — | Unchanged |
| 10 | ADI | Analog Devices INC | +0.1% | — | Unchanged |
| 11 | CVX | Chevron CORP | +0.1% | — | Unchanged |
| 12 | NVS | Novartis Ag-sponsored Adr | +0.1% | — | Unchanged |
| 13 | PFE | Pfizer INC | +0.1% | — | Unchanged |
| 14 | AMAT | Applied Materials INC | +0.1% | — | Unchanged |
| 15 | VZ | Verizon Communications INC | +0.1% | — | Unchanged |
| 16 | AMGN | Amgen INC | +0.1% | — | Unchanged |
| 17 | AAPL | Apple INC | 0% | — | Unchanged |
| 18 | PH | Parker Hannifin CORP | — | — | Unchanged |
| 19 | UL | Unilever PLC | 0% | — | Unchanged |
| 20 | META | Meta Platforms Inc-class A | 0% | — | Unchanged |
| 21 | AMZN | Amazon.com INC | 0% | +4.50% | Add |
| 22 | GE | General Electric | -0.1% | — | Unchanged |
| 23 | PAYC | Paycom Software INC | -0.1% | — | Unchanged |
| 24 | GEV | GE Vernova INC | -0.1% | -47.11% | Trim |
| 25 | AXP | American Express Co | -0.1% | — | Unchanged |
| 26 | EL | Estee Lauder Companies-cl A | -0.1% | — | Unchanged |
| 27 | IBM | Intl Business Machines CORP | -0.1% | — | Unchanged |
| 28 | MMM | 3m Co | -0.1% | -73.53% | Trim |
| 29 | BRK-B | Berkshire Hathaway Inc-cl B | -0.1% | — | Unchanged |
| 30 | APP | Applovin Corp-class A | -0.1% | — | Unchanged |
| 31 | WFC | Wells Fargo & Co | -0.1% | -8.17% | Trim |
| 32 | CHD | Church & Dwight Co INC | -0.1% | -21.61% | Trim |
| 33 | BKNG | Booking Holdings INC | -0.1% | — | Unchanged |
| 34 | LNC | Lincoln National CORP | -0.1% | -16.67% | Trim |
| 35 | TMO | Thermo Fisher Scientific INC | -0.1% | — | Unchanged |
| 36 | SYK | Stryker CORP | -0.2% | — | Unchanged |
| 37 | DHR | Danaher CORP | -0.2% | — | Unchanged |
| 38 | JPM | Jpmorgan Chase & Co | -0.2% | -1.36% | Trim |
| 39 | ORCL | Oracle CORP | -0.2% | — | Unchanged |
| 40 | BAC | Bank Of America CORP | -0.3% | — | Unchanged |
| 41 | ABT | Abbott Laboratories | -0.3% | — | Unchanged |
| 42 | MA | Mastercard INC - A | -0.3% | — | Unchanged |
| 43 | AVGO | Broadcom INC | -0.3% | — | Unchanged |
| 44 | INTU | Intuit INC | -0.5% | +15.19% | Add |
| 45 | GOOGL | Alphabet Inc-cl A | -0.6% | — | Unchanged |
| 46 | ADP | Automatic Data Processing | -0.6% | — | Unchanged |
| 47 | MSFT | Microsoft CORP | -1.2% | +2.52% | Add |
| 48 | CSL | Carlisle Cos INC | — | NEW | New buy |
| 49 | WEX | Wex INC | — | EXIT | Sold out |
| 50 | ALGN | Align Technology INC | — | EXIT | Sold out |
| Period | Filed | Type | EDGAR |
|---|---|---|---|
| 2026-03-31 | 2026-04-09 | 13F-HR | View on EDGAR |
| 2025-12-31 | 2026-01-15 | 13F-HR | View on EDGAR |
| 2025-09-30 | 2025-10-28 | 13F-HR | View on EDGAR |
| 2025-06-30 | 2025-07-30 | 13F-HR | View on EDGAR |
| 2025-03-31 | 2025-04-08 | 13F-HR | View on EDGAR |
| 2024-12-31 | 2025-01-24 | 13F-HR | View on EDGAR |
| 2024-09-30 | 2024-10-07 | 13F-HR | View on EDGAR |
| 2024-06-30 | 2024-07-10 | 13F-HR | View on EDGAR |
| 2024-03-31 | 2024-05-02 | 13F-HR | View on EDGAR |
| 2023-12-31 | 2024-01-24 | 13F-HR | View on EDGAR |
| 2023-09-30 | 2023-10-23 | 13F-HR | View on EDGAR |
| 2023-06-30 | 2023-07-11 | 13F-HR | View on EDGAR |
| 2023-03-31 | 2023-05-02 | 13F-HR | View on EDGAR |
| 2022-12-31 | 2023-02-14 | 13F-HR | View on EDGAR |
| 2022-09-30 | 2022-11-15 | 13F-HR | View on EDGAR |
| 2022-03-31 | 2022-05-11 | 13F-HR | View on EDGAR |
| 2021-12-31 | 2022-02-14 | 13F-HR | View on EDGAR |
| 2021-09-30 | 2021-11-12 | 13F-HR | View on EDGAR |
| 2021-06-30 | 2021-11-12 | Amendment | View on EDGAR |
| 2021-06-30 | 2021-08-13 | 13F-HR | View on EDGAR |
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