Institutional Manager · CIK 0001009003
EXCALIBUR MANAGEMENT CORP
WALTHAM, MA · File #028-05354
Latest AUM
$277.4M
Positions
161
Top-10 Concentration
49.9%
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 |
|---|---|---|---|---|---|
| ADD | NETFLIX INC | NFLX | +28,905 | +$2.7M | -$3.6M |
| EXITED | WORLD GOLD TR | 98149E303 | -14,494 | -$1.1M | $0 |
| EXITED | UNILEVER PLC | 904767704 | -13,411 | -$795,004 | $0 |
| NEW | UNILEVER PLC | UNLYF | +11,789 | +$771,001 | $0 |
| ADD | BERKSHIRE HATHAWAY INC DEL | BRK-A | +1,501 | +$754,478 | -$1,969 |
| EXITED | BERKSHIRE HATHAWAY INC DEL | 084670108 | -1 | -$754,200 | $0 |
| REDUCE | APPLE INC | AAPL | -2,446 | -$664,965 | +$1.1M |
| ADD | INVESCO EXCHANGE TRADED FD T | IVZ | +3,062 | +$586,563 | +$40,259 |
| REDUCE | CARLISLE COS INC | 142339100 | -1,644 | -$525,850 | -$670,070 |
| ADD | VANGUARD SPECIALIZED FUNDS | 921908844 | +1,572 | +$345,483 | +$15,972 |
Sector Allocation
Filing History
- 13F HOLDINGS REPORTQ/E Dec 2025161 pos · $277.4M
- 13F HOLDINGS REPORTQ/E Sep 2025166 pos · $275.6M
- 13F HOLDINGS REPORTQ/E Jun 2025165 pos · $266.5M
- 13F HOLDINGS REPORTQ/E Mar 2025167 pos · $254.4M
- 13F HOLDINGS REPORTQ/E Dec 2024166 pos · $251.7M
- 13F HOLDINGS REPORTQ/E Sep 2024167 pos · $262.3M
- 13F HOLDINGS REPORTQ/E Jun 2024163 pos · $245.2M
- 13F HOLDINGS REPORTQ/E Mar 2024161 pos · $236.3M
- 13F HOLDINGS REPORTQ/E Dec 2023156 pos · $192.3M
Top 20 Holdings — Dec 2025
| # | Issuer | Ticker | Shares | Value | % of Portfolio |
|---|---|---|---|---|---|
| 1 | CARLISLE COS INC | 142339100 | 71,990 | $23.0M | 11.08% |
| 2 | APPLE INC | AAPL | 59,822 | $16.3M | 7.83% |
| 3 | MICROSOFT CORP | MSFT | 25,496 | $12.3M | 5.94% |
| 4 | BERKSHIRE HATHAWAY INC DEL | BRK-A | 23,373 | $11.7M | 5.65% |
| 5 | JPMORGAN CHASE & CO. | VYLD | 34,131 | $11.0M | 5.29% |
| 6 | JOHNSON & JOHNSON | JNJ | 37,944 | $7.9M | 3.78% |
| 7 | ALPHABET INC | GOOG | 19,095 | $6.0M | 2.88% |
| 8 | MERCK & CO INC | MRK | 53,074 | $5.6M | 2.69% |
| 9 | META PLATFORMS INC | META | 7,939 | $5.2M | 2.52% |
| 10 | INVESCO EXCHANGE TRADED FD T | IVZ | 24,700 | $4.7M | 2.28% |
| 11 | VISA INC | V | 12,669 | $4.4M | 2.14% |
| 12 | VERIZON COMMUNICATIONS INC | VZ | 105,503 | $4.3M | 2.07% |
| 13 | INTERNATIONAL BUSINESS MACHS | INTR | 13,539 | $4.0M | 1.93% |
| 14 | AT&T INC | T-PC | 153,939 | $3.8M | 1.84% |
| 15 | PFIZER INC | PFE | 150,880 | $3.8M | 1.81% |
| 16 | GOLDMAN SACHS GROUP INC | GSCE | 4,273 | $3.8M | 1.81% |
| 17 | PROCTER AND GAMBLE CO | 742718109 | 24,953 | $3.6M | 1.72% |
| 18 | NVIDIA CORPORATION | NVDA | 18,276 | $3.4M | 1.64% |
| 19 | EXXON MOBIL CORP | XOM | 27,604 | $3.3M | 1.60% |
| 20 | CISCO SYS INC | CSCO | 42,053 | $3.2M | 1.56% |