HARBOR ADVISORY CORP /MA/
Filing Date
Global Rank
#5,226
/ 8,603
▲ 51
· as of Mar 2026
Top Industry
Drug Manufacturers - General
15.4%
3Y Alpha vs SPY
-4.6%
Period ended 3 months ago
Filed May 7, 2026 · 2mo
25 quarters · since Mar 2020
Clone Performance
Jul 2023–Jul 2026 · vs SPYHypothetical growth of cloning every reported 13F position and rebalancing on each filing, indexed to the same start.
Cloned portfolio
+56.6%
SPY
+76.0%
Annualised alpha
-4.6%
Max drawdown
−16.4%
Estimate. 13F holdings are quarter-lagged and long-only, so the clone rebalances about 45 days after each period end — when the filing becomes public — and excludes options and short positions. Past performance does not predict future results.
Portfolio Concentration
35 positions · as of Mar 31, 2026 · Δ vs Dec 31, 2025Top Position
12.1%
−2.9 pts
Top 5
46.3%
−4.8 pts
Top 10
74.5%
−0.9 pts
HHI
654
Diversified−76
Portfolio Trend
25 quarters · across all stocks
Sector Breakdown
As of Mar 31, 2026| Sector | % Portfolio | Value |
|---|---|---|
| Technology | 22.8% | $28,247,057 |
| Healthcare | 17.2% | $21,275,642 |
| Financial Services | 16.7% | $20,689,889 |
| Consumer Cyclical | 14.1% | $17,522,709 |
| Communication Services | 12.1% | $15,039,675 |
| Utilities | 7.5% | $9,299,498 |
| Consumer Defensive | 5.0% | $6,237,737 |
| Unclassified | 1.8% | $2,208,141 |
| Energy | 1.8% | $2,184,036 |
| Industrials | 0.9% | $1,142,111 |
Last Quarter's Activity
Export CSVTrimmed
Positions the filer reduced
21 positions
| Ticker | Company | Δ Shares | Shares | Value | Open |
|---|---|---|---|---|---|
| BIPH | Brookfield Infrastructure Partners L.P. | −13,465 | 236,606 | $8,546,208 | |
| GOOGL | Alphabet Inc. | −10,846 | 52,301 | $15,039,675 | |
| PFE | Pfizer Inc | −3,699 | 178,658 | $5,016,716 | |
| AAPL | Apple Inc. | −3,495 | 40,542 | $10,289,154 | |
| JNJ | Johnson & Johnson | −2,816 | 29,674 | $7,253,512 | |
| ABBV | AbbVie Inc. | −2,775 | 16,702 | $3,632,517 | |
| JPM | Jpmorgan Chase & Co | −2,775 | 23,086 | $6,790,977 | |
| ABT | Abbott Laboratories | −2,550 | 24,316 | $2,496,523 | |
| AMZN | Amazon Com Inc | −2,140 | 61,875 | $12,886,706 | |
| BRK-B | Berkshire Hathaway Inc | −1,680 | 22,097 | $10,588,882 | |
| PEP | Pepsico Inc | −1,650 | 26,175 | $4,064,715 | |
| BIPC | Brookfield Infrastructure Corp | −881 | 19,061 | $753,290 | |
| V | Visa Inc. | −539 | 7,408 | $2,238,993 | |
| MRK | Merck & Co., Inc. | −537 | 23,912 | $2,876,374 | |
| PM | Philip Morris International Inc. | −396 | 2,249 | $371,849 | |
| AVGO | Broadcom Inc. | −201 | 1,169 | $361,817 | |
| BAC | Bank Of America Corp /De/ | −167 | 20,410 | $994,987 | |
| PG | PROCTER & GAMBLE Co | −70 | 8,736 | $1,261,827 | |
| CVX | Chevron Corp | −32 | 10,556 | $2,184,036 | |
| HD | Home Depot, Inc. | −32 | 4,788 | $1,574,725 | |
| LOW | Lowes Companies Inc | −20 | 6,995 | $1,652,778 | |
| No positions match the current search. | |||||
35 positions ·
$123,846,495 total
· as of Mar 31, 2026
All sectors
Communication Services
Consumer Cyclical
Consumer Defensive
Energy
Financial Services
Healthcare
Industrials
Technology
Utilities
| Ticker | Company | Type | Shares | Value (USD) | % of Portfolio | History |
|---|---|---|---|---|---|---|
| GOOGL |
Alphabet Inc.
Communication Services
|
Reduced | 52,301 | $15,039,675 | 12.14% | |
| AMZN |
Amazon Com Inc
Consumer Cyclical
|
Reduced | 61,875 | $12,886,706 | 10.41% | |
| BRK-B |
Berkshire Hathaway Inc
Financial Services
|
Reduced | 22,097 | $10,588,882 | 8.55% | |
| AAPL |
Apple Inc.
Technology
|
Reduced | 40,542 | $10,289,154 | 8.31% | |
| BIPH |
Brookfield Infrastructure Partners L.P.
Utilities
|
Reduced | 236,606 | $8,546,208 | 6.90% | |
| MSFT |
Microsoft Corp
Technology
|
Added | 22,020 | $8,151,143 | 6.58% | |
| CSCO |
Cisco Systems, Inc.
Technology
|
Added | 99,518 | $7,721,601 | 6.23% | |
| JNJ |
Johnson & Johnson
Healthcare
|
Reduced | 29,674 | $7,253,512 | 5.86% | |
| JPM |
Jpmorgan Chase & Co
Financial Services
|
Reduced | 23,086 | $6,790,977 | 5.48% | |
| PFE |
Pfizer Inc
Healthcare
|
Reduced | 178,658 | $5,016,716 | 4.05% | |
| PEP |
Pepsico Inc
Consumer Defensive
|
Reduced | 26,175 | $4,064,715 | 3.28% | |
| ABBV |
AbbVie Inc.
Healthcare
|
Reduced | 16,702 | $3,632,517 | 2.93% | |
| MRK |
Merck & Co., Inc.
Healthcare
|
Reduced | 23,912 | $2,876,374 | 2.32% | |
| ABT |
Abbott Laboratories
Healthcare
|
Reduced | 24,316 | $2,496,523 | 2.02% | |
| V |
Visa Inc.
Financial Services
|
Reduced | 7,408 | $2,238,993 | 1.81% | |
| CVX |
Chevron Corp
Energy
|
Reduced | 10,556 | $2,184,036 | 1.76% | |
| MDY |
Spdr S&P Midcap 400 ETF Trust
|
Held | 2,743 | $1,691,772 | 1.37% | |
| LOW |
Lowes Companies Inc
Consumer Cyclical
|
Reduced | 6,995 | $1,652,778 | 1.33% | |
| HD |
Home Depot, Inc.
Consumer Cyclical
|
Reduced | 4,788 | $1,574,725 | 1.27% | |
| MCD |
Mcdonalds Corp
Consumer Cyclical
|
Held | 4,532 | $1,408,500 | 1.14% | |
| PG |
PROCTER & GAMBLE Co
Consumer Defensive
|
Reduced | 8,736 | $1,261,827 | 1.02% | |
| BAC |
Bank Of America Corp /De/
Financial Services
|
Reduced | 20,410 | $994,987 | 0.80% | |
| IBM |
International Business Machines Corp
Technology
|
Added | 3,236 | $784,374 | 0.63% | |
| BIPC |
Brookfield Infrastructure Corp
Utilities
|
Reduced | 19,061 | $753,290 | 0.61% | |
| KO |
Coca Cola Co
Consumer Defensive
|
Held | 7,092 | $539,346 | 0.44% | |
| SPY |
Spdr S&P 500 ETF Trust
|
Held | 794 | $516,369 | 0.42% | |
| GE |
General Electric Co
Industrials
|
Held | 1,728 | $490,354 | 0.40% | |
| AMAT |
Applied Materials Inc /De
Technology
|
Held | 1,150 | $393,058 | 0.32% | |
| GEV |
GE Vernova Inc.
Industrials
|
Held | 428 | $373,601 | 0.30% | |
| PM |
Philip Morris International Inc.
Consumer Defensive
|
Reduced | 2,249 | $371,849 | 0.30% | |
| AVGO |
Broadcom Inc.
Technology
|
Reduced | 1,169 | $361,817 | 0.29% | |
| ASML |
Asml Holding NV
Technology
|
Held | 257 | $339,453 | 0.27% | |
| GWW |
W.W. Grainger, Inc.
Industrials
|
Held | 255 | $278,156 | 0.22% | |
| STX |
Seagate Technology Holdings plc
Technology
|
NEW | 527 | $206,457 | 0.17% | |
| EDD |
Morgan Stanley Emerging Markets Domestic Debt Fund, Inc.
Financial Services
|
NEW | 15,000 | $76,050 | 0.06% |