Filed: 11/12/2025ACC: 0001765380-25-000479
📋 What this filing means
HARBOR ADVISORY CORP /MA/ filed this quarterly 13F‑HR report disclosing 80 equity positions with a total reported market value of $338.15M. This filing provides a transparent view of the manager's long equity holdings as of the quarter end.
80
Positions
$338.15M
Total AUM (reported)
3.70M
Total Shares
Allocation by class
COM$90.35M26.7%
S&P 500 ETF SHS$21.24M6.3%
CAP STK CL A$16.70M4.9%
SENIOR LN FD$14.16M4.2%
FTSE EUROPE ETF$13.88M4.1%
FTSE EMR MKT ETF$13.09M3.9%
CORE S&P500 ETF$12.64M3.7%
Portfolio Concentration
Top 3$52.66M15.6%
4–10$89.32M26.4%
11–25$115.30M34.1%
Rest$80.87M23.9%
Top 3 weight
15.6%
Top 10 weight
42.0%
Voting Authority Distribution
Total shares with voting rights: 3.70M
Sole
Full voting authority
0.00
shares
% of voting shares0.0%
Shared
Joint voting authority
0.00
shares
% of voting shares0.0%
None
No voting authority
3.70M
shares
% of voting shares100.0%
Investment Discretion (by position count)
Sole80
Shared0
Other0
Dominant voting typeNone · 100.0% of voting shares
Institutional Holdings80
Rows:
VANGUARD INDEX FDS
SOLEShares34.69K
TypeSH
Market value$21.24M
6.28%
Sole
0.00
Shared
0.00
None
34.69K
ALPHABET INC
SOLEShares68.71K
TypeSH
Market value$16.70M
4.94%
Sole
0.00
Shared
0.00
None
68.71K
AMAZON COM INC
SOLEShares67.01K
TypeSH
Market value$14.71M
4.35%
Sole
0.00
Shared
0.00
None
67.01K
FIRST TR EXCHANGE-TRADED FD
SOLEShares308.96K
TypeSH
Market value$14.16M
4.19%
Sole
0.00
Shared
0.00
None
308.96K
VANGUARD INTL EQUITY INDEX F
SOLEShares173.97K
TypeSH
Market value$13.88M
4.11%
Sole
0.00
Shared
0.00
None
173.97K
VANGUARD INTL EQUITY INDEX F
SOLEShares241.53K
TypeSH
Market value$13.09M
3.87%
Sole
0.00
Shared
0.00
None
241.53K
ISHARES TR
SOLEShares18.88K
TypeSH
Market value$12.64M
3.74%
Sole
0.00
Shared
0.00
None
18.88K
BERKSHIRE HATHAWAY INC DEL
SOLEShares24.86K
TypeSH
Market value$12.50M
3.70%
Sole
0.00
Shared
0.00
None
24.86K
APPLE INC
SOLEShares47.69K
TypeSH
Market value$12.14M
3.59%
Sole
0.00
Shared
0.00
None
47.69K
ISHARES TR
SOLEShares167.11K
TypeSH
Market value$10.91M
3.23%
Sole
0.00
Shared
0.00
None
167.11K
VANGUARD INDEX FDS
SOLEShares42.70K
TypeSH
Market value$10.86M
3.21%
Sole
0.00
Shared
0.00
None
42.70K
ISHARES TR
SOLEShares36.87K
TypeSH
Market value$10.00M
2.96%
Sole
0.00
Shared
0.00
None
36.87K
ISHARES TR
SOLEShares83.61K
TypeSH
Market value$9.94M
2.94%
Sole
0.00
Shared
0.00
None
83.61K
VANGUARD INDEX FDS
SOLEShares33.66K
TypeSH
Market value$9.89M
2.92%
Sole
0.00
Shared
0.00
None
33.66K
JPMORGAN CHASE & CO.
SOLEShares29.29K
TypeSH
Market value$9.24M
2.73%
Sole
0.00
Shared
0.00
None
29.29K
MICROSOFT CORP
SOLEShares17.32K
TypeSH
Market value$8.97M
2.65%
Sole
0.00
Shared
0.00
None
17.32K
BROOKFIELD INFRAST PARTNERS
SOLEShares256.80K
TypeSH
Market value$8.45M
2.50%
Sole
0.00
Shared
0.00
None
256.80K
ISHARES INC
SOLEShares123.30K
TypeSH
Market value$8.37M
2.48%
Sole
0.00
Shared
0.00
None
123.30K
SPDR SERIES TRUST
SOLEShares242.15K
TypeSH
Market value$7.47M
2.21%
Sole
0.00
Shared
0.00
None
242.15K
JOHNSON & JOHNSON
SOLEShares34.39K
TypeSH
Market value$6.38M
1.89%
Sole
0.00
Shared
0.00
None
34.39K
ISHARES TR
SOLEShares71.41K
TypeSH
Market value$5.48M
1.62%
Sole
0.00
Shared
0.00
None
71.41K
VANGUARD ADMIRAL FDS INC
SOLEShares49.45K
TypeSH
Market value$5.46M
1.61%
Sole
0.00
Shared
0.00
None
49.45K
ABBVIE INC
SOLEShares21.88K
TypeSH
Market value$5.07M
1.50%
Sole
0.00
Shared
0.00
None
21.88K
SPDR INDEX SHS FDS
SOLEShares114.58K
TypeSH
Market value$4.90M
1.45%
Sole
0.00
Shared
0.00
None
114.58K
PFIZER INC
SOLEShares189.92K
TypeSH
Market value$4.84M
1.43%
Sole
0.00
Shared
0.00
None
189.92K
| Issuer | Class | Shares | Type | Value / Portfolio % | Voting — Sole | Shared | None |
|---|---|---|---|---|---|---|---|
VANGUARD INDEX FDSSOLE | S&P 500 ETF SHS | 34.69K | SH | $21.24M 6.28% | 0.00 | 0.00 | 34.69K |
ALPHABET INCSOLE | CAP STK CL A | 68.71K | SH | $16.70M 4.94% | 0.00 | 0.00 | 68.71K |
AMAZON COM INCSOLE | COM | 67.01K | SH | $14.71M 4.35% | 0.00 | 0.00 | 67.01K |
FIRST TR EXCHANGE-TRADED FDSOLE | SENIOR LN FD | 308.96K | SH | $14.16M 4.19% | 0.00 | 0.00 | 308.96K |
VANGUARD INTL EQUITY INDEX FSOLE | FTSE EUROPE ETF | 173.97K | SH | $13.88M 4.11% | 0.00 | 0.00 | 173.97K |
VANGUARD INTL EQUITY INDEX FSOLE | FTSE EMR MKT ETF | 241.53K | SH | $13.09M 3.87% | 0.00 | 0.00 | 241.53K |
ISHARES TRSOLE | CORE S&P500 ETF | 18.88K | SH | $12.64M 3.74% | 0.00 | 0.00 | 18.88K |
BERKSHIRE HATHAWAY INC DELSOLE | CL B NEW | 24.86K | SH | $12.50M 3.70% | 0.00 | 0.00 | 24.86K |
APPLE INCSOLE | COM | 47.69K | SH | $12.14M 3.59% | 0.00 | 0.00 | 47.69K |
ISHARES TRSOLE | CORE S&P MCP ETF | 167.11K | SH | $10.91M 3.23% | 0.00 | 0.00 | 167.11K |
VANGUARD INDEX FDSSOLE | SMALL CP ETF | 42.70K | SH | $10.86M 3.21% | 0.00 | 0.00 | 42.70K |
ISHARES TRSOLE | ISHARES SEMICDTR | 36.87K | SH | $10.00M 2.96% | 0.00 | 0.00 | 36.87K |
ISHARES TRSOLE | CORE S&P SCP ETF | 83.61K | SH | $9.94M 2.94% | 0.00 | 0.00 | 83.61K |
VANGUARD INDEX FDSSOLE | MID CAP ETF | 33.66K | SH | $9.89M 2.92% | 0.00 | 0.00 | 33.66K |
JPMORGAN CHASE & CO.SOLE | COM | 29.29K | SH | $9.24M 2.73% | 0.00 | 0.00 | 29.29K |
MICROSOFT CORPSOLE | COM | 17.32K | SH | $8.97M 2.65% | 0.00 | 0.00 | 17.32K |
BROOKFIELD INFRAST PARTNERSSOLE | LP INT UNIT | 256.80K | SH | $8.45M 2.50% | 0.00 | 0.00 | 256.80K |
ISHARES INCSOLE | EM MKT SM-CP ETF | 123.30K | SH | $8.37M 2.48% | 0.00 | 0.00 | 123.30K |
SPDR SERIES TRUSTSOLE | BLOOMBERG INVT | 242.15K | SH | $7.47M 2.21% | 0.00 | 0.00 | 242.15K |
JOHNSON & JOHNSONSOLE | COM | 34.39K | SH | $6.38M 1.89% | 0.00 | 0.00 | 34.39K |
ISHARES TRSOLE | EAFE SML CP ETF | 71.41K | SH | $5.48M 1.62% | 0.00 | 0.00 | 71.41K |
VANGUARD ADMIRAL FDS INCSOLE | MIDCP 400 IDX | 49.45K | SH | $5.46M 1.61% | 0.00 | 0.00 | 49.45K |
ABBVIE INCSOLE | COM | 21.88K | SH | $5.07M 1.50% | 0.00 | 0.00 | 21.88K |
SPDR INDEX SHS FDSSOLE | PORTFOLIO DEVLPD | 114.58K | SH | $4.90M 1.45% | 0.00 | 0.00 | 114.58K |
PFIZER INCSOLE | COM | 189.92K | SH | $4.84M 1.43% | 0.00 | 0.00 | 189.92K |
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