Institutional Manager · CIK 0001308331
Boit C F David
BOSTON, MA · File #028-11004
Latest AUM
$231.4M
Positions
121
Top-10 Concentration
50.6%
Filings
9
Portfolio Value Over Time
2024-03
2024-06
2024-09
2024-12
2025-03
2025-06
2025-09
2025-12
Biggest QoQ Changes
Ranked by conviction flow (share change × current price) so mark-to-market moves don't dominate. Price effect column shows how much of the $ change was just the stock moving.
| Action | Issuer | Ticker / CUSIP | Δ Shares | Flow ($) | Price Effect |
|---|---|---|---|---|---|
| REDUCE | CATERPILLAR INC COM | CAT | -700 | -$432,334 | +$2.7M |
| REDUCE | UNILEVER PLC SPONSORED ADR (NEW) | UNLYF | -1,445 | -$92,769 | +$63,960 |
| REDUCE | AMERICAN TOWER CORP CL A (REIT) | 03027X100 | -500 | -$84,255 | -$219,290 |
| ADD | QUALCOMM INC COM | QCOM | +300 | +$53,334 | +$242,104 |
| REDUCE | VERIZON COMMUNICATIONS INC COM | VZ | -1,300 | -$52,598 | -$46,057 |
| NEW | MAGNUM ICE CREAM COMPANY | MICC | +2,600 | +$39,728 | $0 |
| ADD | BROWN-FORMAN CORP CL B | BF-B | +1,500 | +$38,940 | -$1,724 |
| REDUCE | ALPHABET INC CL A | GOOG | -100 | -$32,857 | +$3.3M |
| ADD | INTUIT INC COM | INTU | +50 | +$32,345 | -$282,679 |
| NEW | VERSANT MEDIA GROUP INC | VSNT | +670 | +$23,085 | $0 |
Sector Allocation
Filing History
- 13F HOLDINGS REPORTQ/E Dec 2025121 pos · $231.4M
- 13F HOLDINGS REPORTQ/E Sep 2025119 pos · $221.0M
- 13F HOLDINGS REPORTQ/E Jun 2025124 pos · $207.9M
- 13F HOLDINGS REPORTQ/E Mar 2025129 pos · $199.3M
- 13F HOLDINGS REPORTQ/E Dec 2024129 pos · $246.0M
- 13F HOLDINGS REPORTQ/E Sep 2024129 pos · $201.9M
- 13F HOLDINGS REPORTQ/E Jun 2024129 pos · $191.9M
- 13F HOLDINGS REPORTQ/E Mar 2024119 pos · $183.0M
- 13F HOLDINGS REPORTQ/E Dec 2023106 pos · $146.6M
Top 20 Holdings — Dec 2025
| # | Issuer | Ticker | Shares | Value | % of Portfolio |
|---|---|---|---|---|---|
| 1 | BERKSHIRE HATHAWAY INC CL B (NEW) | BRK-A | 31,628 | $15.8M | 7.41% |
| 2 | MICROSOFT CORP COM | MSFT | 31,804 | $15.2M | 7.16% |
| 3 | ALPHABET INC CL A | GOOG | 38,322 | $12.6M | 5.91% |
| 4 | CATERPILLAR INC COM | CAT | 18,800 | $11.6M | 5.45% |
| 5 | EXXON MOBIL CORP COM | XOM | 84,053 | $10.5M | 4.92% |
| 6 | BROADCOM INC COM | AVGO | 27,750 | $9.6M | 4.49% |
| 7 | VISA INC CL A | V | 26,630 | $9.3M | 4.37% |
| 8 | APPLE INC COM | AAPL | 30,002 | $7.8M | 3.65% |
| 9 | MERCK & CO INC (NEW) | MRK | 70,283 | $7.8M | 3.65% |
| 10 | JOHNSON & JOHNSON COM | JNJ | 37,500 | $7.7M | 3.60% |
| 11 | MASTERCARD INC CL A | MA | 11,140 | $6.4M | 3.01% |
| 12 | MCDONALD'S CORP COM | MCD | 19,800 | $6.1M | 2.86% |
| 13 | BANK OF AMERICA CORP COM | 060505104 | 107,198 | $6.0M | 2.81% |
| 14 | AUTOMATIC DATA PROCESSING INC COM | ADP | 22,400 | $6.0M | 2.80% |
| 15 | ABBVIE INC COM | ABBV | 24,600 | $5.4M | 2.54% |
| 16 | INTUIT INC COM | INTU | 7,900 | $5.1M | 2.40% |
| 17 | CHUBB LIMITED | CB | 16,165 | $5.0M | 2.33% |
| 18 | JPMORGAN CHASE & CO COM | VYLD | 14,751 | $4.9M | 2.28% |
| 19 | STRYKER CORP COM | SYK | 11,645 | $4.3M | 2.01% |
| 20 | ABBOTT LABORATORIES COM | ABLZF | 32,800 | $4.1M | 1.94% |