Institutional Manager · CIK 0001096783
BAXTER BROS INC
RIVERSIDE, CT · File #028-05169
Latest AUM
$864.2M
Positions
165
Top-10 Concentration
51.2%
Filings
11
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 |
|---|---|---|---|---|---|
| ADD | NETFLIX INC | NFLX | +130,339 | +$12.2M | -$13.9M |
| REDUCE | ALPHABET INC | GOOG | -16,734 | -$5.3M | +$9.7M |
| REDUCE | ALPHABET INC | GOOG | -10,340 | -$3.2M | +$7.5M |
| NEW | CHIME FINL INC | 16935C109 | +111,200 | +$2.8M | $0 |
| ADD | SCHWAB CHARLES CORP | SCHW-PJ | +19,393 | +$1.9M | +$528,519 |
| ADD | MARKEL GROUP INC | MKL | +779 | +$1.7M | +$418,914 |
| REDUCE | FISERV INC | FISV | -20,069 | -$1.3M | -$2.1M |
| REDUCE | MICROSOFT CORP | MSFT | -2,595 | -$1.3M | -$4.6M |
| REDUCE | AIR PRODS & CHEMS INC | AIIR | -4,791 | -$1.2M | -$377,559 |
| REDUCE | FEDEX CORP | FDX | -3,538 | -$1.0M | +$471,456 |
Sector Allocation
Filing History
- 13F HOLDINGS REPORTQ/E Dec 2025165 pos · $864.2M
- 13F HOLDINGS REPORTQ/E Sep 2025163 pos · $865.1M
- 13F HOLDINGS REPORTQ/E Jun 2025151 pos · $817.6M
- 13F HOLDINGS REPORTQ/E Mar 2025148 pos · $759.2M
- 13F HOLDINGS REPORTQ/E Dec 2024157 pos · $764.5M
- 13F HOLDINGS REPORTQ/E Sep 2024155 pos · $769.2M
- 13F HOLDINGS REPORTQ/E Jun 2024156 pos · $764.0M
- 13F HOLDINGS REPORT (Amended)Q/E Mar 2024155 pos · $721.9M
- 13F HOLDINGS REPORT (Amended)Q/E Mar 2024144 pos · $658.7M
- 13F HOLDINGS REPORTQ/E Mar 2024155 pos · $779.7M
- 13F HOLDINGS REPORTQ/E Dec 2023134 pos · $650.4M
Top 20 Holdings — Dec 2025
| # | Issuer | Ticker | Shares | Value | % of Portfolio |
|---|---|---|---|---|---|
| 1 | BERKSHIRE HATHAWAY INC DEL | BRK-A | 136,655 | $68.7M | 9.14% |
| 2 | MICROSOFT CORP | MSFT | 130,566 | $63.1M | 8.40% |
| 3 | INTUIT | INTU | 60,133 | $39.8M | 5.30% |
| 4 | ALPHABET INC | GOOG | 120,985 | $38.0M | 5.05% |
| 5 | EXXON MOBIL CORP | XOM | 275,598 | $33.2M | 4.41% |
| 6 | VISA INC | V | 93,552 | $32.8M | 4.36% |
| 7 | ALPHABET INC | GOOG | 96,495 | $30.2M | 4.02% |
| 8 | AMERICAN EXPRESS CO | AXP | 78,373 | $29.0M | 3.86% |
| 9 | JPMORGAN CHASE & CO. | VYLD | 78,005 | $25.1M | 3.34% |
| 10 | META PLATFORMS INC | META | 38,054 | $25.1M | 3.34% |
| 11 | UNION PAC CORP | UNP | 95,131 | $22.0M | 2.93% |
| 12 | AUTOMATIC DATA PROCESSING IN | ADP | 79,805 | $20.5M | 2.73% |
| 13 | MASTERCARD INCORPORATED | MA | 31,602 | $18.0M | 2.40% |
| 14 | RTX CORPORATION | RTX | 95,296 | $17.5M | 2.32% |
| 15 | QUALCOMM INC | QCOM | 101,498 | $17.4M | 2.31% |
| 16 | MORGAN STANLEY | MS-PQ | 95,101 | $16.9M | 2.25% |
| 17 | AMAZON COM INC | AMZN | 72,215 | $16.7M | 2.22% |
| 18 | SCHWAB CHARLES CORP | SCHW-PJ | 138,429 | $13.8M | 1.84% |
| 19 | NETFLIX INC | NFLX | 142,938 | $13.4M | 1.78% |
| 20 | GE AEROSPACE | 369604301 | 42,587 | $13.1M | 1.74% |