Investor
HARBOR ADVISORY CORP /MA/
CIK 0001100710 · filed 2026-05-07 · SEC filing
13F book
$332.8M
Positions
79
4 new · 3 sold
Largest name
5.8%
Vanguard Index Fds
Est. mark
−$3.61M
Price effect on 75 names still held. Flow $5.81M.
| Name | Ticker | Shares | Value | Weight | Est. mark | Change |
|---|---|---|---|---|---|---|
| Vanguard Index Fds | — | 32.5K | $19.4M | 5.8% | −$960.5K | Cut−$2.21M |
| Alphabet Inc | — | 52.3K | $15M | 4.5% | −$1.33M | Cut−$4.73M |
| First Tr Exchange-Traded Fd | — | 322K | $14.4M | 4.3% | −$347.8K | Cut−$540.7K |
| Vanguard Intl Equity Index F | — | 172.2K | $14.2M | 4.3% | −$201.5K | Added−$87.8K |
| Ishares Tr | — | 203.9K | $13.8M | 4.1% | $218.8K | Added$4.33M |
| Vanguard Intl Equity Index F | — | 239.5K | $12.9M | 3.9% | $67.8K | Added$378.4K |
| Amazon Com Inc | AMZN | 61.9K | $12.9M | 3.9% | −$1.4M | Cut−$1.89M |
| Ishares Tr | — | 98.5K | $12.2M | 3.7% | $325K | Added$2.79M |
| J P Morgan Exchange Traded F | — | 262.6K | $12.1M | 3.6% | — | New |
| Berkshire Hathaway Inc Del | — | 22.1K | $10.6M | 3.2% | −$518.2K | Cut−$1.36M |
| Apple Inc. | AAPL | 40.5K | $10.3M | 3.1% | −$732.6K | Cut−$1.68M |
| Ishares Tr | — | 31.1K | $10.2M | 3.1% | $854.8K | Cut−$130.9K |
| Ishares Tr | — | 15.2K | $9.9M | 3.0% | −$481.1K | Cut−$1.2M |
| Vanguard Index Fds | — | 33.4K | $8.76M | 2.6% | $132.8K | Cut−$2.61M |
| Brookfield Infrast Partners | — | 236.6K | $8.55M | 2.6% | $326.5K | Cut−$141.3K |
| Microsoft Corp | MSFT | 22K | $8.15M | 2.5% | −$1.86M | Added$243.4K |
| Ishares Inc | — | 113.6K | $7.86M | 2.4% | $189.8K | Added$320.6K |
| Cisco Sys Inc | — | 99.5K | $7.72M | 2.3% | $24.3K | Added$4.38M |
| Johnson & Johnson | JNJ | 29.7K | $7.25M | 2.2% | $1.11M | Cut$529.7K |
| Vanguard Index Fds | — | 24.9K | $7.16M | 2.2% | −$75.8K | Cut−$3.04M |
| Jpmorgan Chase & Co. | — | 23.1K | $6.79M | 2.0% | −$647.8K | Cut−$1.54M |
| Vanguard Admiral Fds Inc | — | 49.4K | $5.65M | 1.7% | $124.6K | Held |
| Spdr Series Trust | — | 181.5K | $5.59M | 1.7% | $9.07K | Cut−$1.64M |
| Ishares Tr | — | 215.3K | $5.45M | 1.6% | −$26.1K | Added$139.3K |
| Ishares Tr | — | 65.8K | $5.16M | 1.6% | $55.9K | Added$237.5K |
| Spdr Index Shs Fds | — | 112.3K | $5.13M | 1.5% | $139.3K | Held |
| Pfizer Inc | PFE | 178.7K | $5.02M | 1.5% | $568.1K | Cut$476K |
| Vanguard Admiral Fds Inc | — | 39K | $4.48M | 1.3% | $150.9K | Held |
| Pepsico Inc | PEP | 26.2K | $4.06M | 1.2% | $308.1K | Cut$71.3K |
| Spdr Index Shs Fds | — | 86.3K | $4.05M | 1.2% | $8.63K | Held |
| AbbVie Inc. | ABBV | 16.7K | $3.63M | 1.1% | −$183.7K | Cut−$817.8K |
| Ishares Tr | — | 148.9K | $3.46M | 1.0% | −$18.2K | Added$529.9K |
| Merck & Co., Inc. | MRK | 23.9K | $2.88M | 0.9% | $359.4K | Cut$302.9K |
| Abbott Labs | ABT | 24.3K | $2.5M | 0.8% | −$550K | Cut−$869.5K |
| Ishares Tr | — | 16.7K | $2.41M | 0.7% | $59.2K | Cut−$15.9K |
| Ishares Tr | — | 24.6K | $2.39M | 0.7% | $27.1K | Held |
| Exxon Mobil Corp | — | 14K | $2.38M | 0.7% | $632.7K | Added$836.1K |
| Visa Inc. | V | 7.41K | $2.24M | 0.7% | −$359.1K | Cut−$548.1K |
| Spdr Series Trust | — | 6.86K | $2.24M | 0.7% | $31K | Cut−$188.9K |
| Chevron Corp New | CVX | 10.6K | $2.18M | 0.7% | $575.2K | Cut$570.3K |
| Ishares Tr | — | 83.4K | $2.02M | 0.6% | −$3.05K | Added$171.5K |
| Schwab Strategic Tr | — | 48.4K | $1.85M | 0.6% | $106.6K | Held |
| Ishares Tr | — | 32K | $1.82M | 0.5% | $66.6K | Cut−$42.8K |
| Spdr S&P Midcap 400 Etf Tr | — | 2.74K | $1.69M | 0.5% | $37K | Held |
| Lowes Cos Inc | — | 7K | $1.65M | 0.5% | −$34.1K | Cut−$39K |
| Ishares Tr | — | 67.9K | $1.65M | 0.5% | $679 | Held |
| Home Depot, Inc. | HD | 4.79K | $1.57M | 0.5% | −$72.8K | Cut−$83.8K |
| Mcdonalds Corp | MCD | 4.53K | $1.41M | 0.4% | $23.4K | Held |
| Ishares Tr | — | 63K | $1.38M | 0.4% | −$8.44K | Added$345.4K |
| Ishares Tr | — | 19.3K | $1.36M | 0.4% | $14.7K | Cut−$344.5K |
| Alphabet Inc | — | 4.58K | $1.32M | 0.4% | −$123.5K | Cut−$382.4K |
| Procter And Gamble Co | PG | 8.74K | $1.26M | 0.4% | $9.87K | Cut−$160 |
| Invesco Exchange Traded Fd T | — | 5.21K | $998.9K | 0.3% | $1.87K | Held |
| Bank America Corp | — | 20.4K | $995K | 0.3% | −$127.6K | Cut−$136.7K |
| Ishares Tr | — | 32.7K | $992.4K | 0.3% | −$20.9K | Cut−$149.6K |
| Ishares Tr | — | 13.8K | $944.5K | 0.3% | $9.38K | Added$474.6K |
| International Business Machs | — | 3.24K | $784.4K | 0.2% | −$163.4K | Added−$114.9K |
| Brookfield Infrastructure Corp | BIPC | 19.1K | $753.3K | 0.2% | −$112.1K | Cut−$152.1K |
| Vanguard Index Fds | — | 2.13K | $684.9K | 0.2% | −$30.9K | Cut−$397K |
| Coca Cola Co | KO | 7.09K | $539.3K | 0.2% | $43.5K | Held |
| Spdr S&P 500 Etf Tr | — | 794 | $516.4K | 0.2% | −$25.1K | Held |
| Ge Aerospace | — | 1.73K | $490.4K | 0.1% | −$41.9K | Held |
| Ishares Tr | — | 1.05K | $447.7K | 0.1% | −$49.2K | Held |
| Wisdomtree Tr | — | 10.7K | $430.9K | 0.1% | $11.6K | Held |
| Applied Matls Inc | — | 1.15K | $393.1K | 0.1% | $97.5K | Held |
| GE Vernova Inc. | GEV | 428 | $373.6K | 0.1% | $93.9K | Held |
| Philip Morris Intl Inc | — | 2.25K | $371.9K | 0.1% | $11.1K | Cut−$52.4K |
| Broadcom Inc. | AVGO | 1.17K | $361.8K | 0.1% | −$42.8K | Cut−$112.3K |
| Asml Holding N V | — | 257 | $339.5K | 0.1% | $64.5K | Held |
| Spdr Series Trust | — | 3.94K | $301.3K | 0.1% | −$14.5K | Held |
| Ww Grainger Inc | — | 255 | $278.2K | 0.1% | $20.8K | Held |
| Ishares Inc | — | 3.81K | $265.7K | 0.1% | $9.64K | Held |
| First Tr Exchange Traded Fd | — | 2.5K | $234.2K | 0.1% | −$7.95K | Held |
| Schwab Strategic Tr | — | 7.63K | $234K | 0.1% | $24.8K | Cut−$561 |
| Vanguard Index Fds | — | 2.54K | $225.2K | 0.1% | $533 | Cut−$243.7K |
| Ishares Tr | — | 2.35K | $212.9K | 0.1% | $2.52K | Held |
| Seagate Technology Hldngs Pl | — | 527 | $206.5K | 0.1% | — | New |
| Ishares Tr | — | 1.46K | $202.4K | 0.1% | — | New |
| Morgan Stanley Emerging Mkts | — | 15K | $76K | 0.0% | — | New |
Positions as of Q1 2026. 13F filings arrive up to 45 days after quarter-end and omit shorts. Values are quarter-end marks, as filed. Estimated mark is the price effect on shares still held — not realized P&L or investment advice.