Harbor Advisory Corp.

In its 13F for Q2 2025 (holdings as of June 30, 2025, filed August 12, 2025), Harbor Advisory Corp. reported 81 stock positions worth $313.8 million. Its top holding was Vanguard S&P 500 ETF (VOO) at 6.3% of the portfolio, followed by Amazon.com (AMZN, 4.7%) and First Trust Senior Loan ETF (FTSL, 4.4%). Compared with Q1 2025, it opened 3 new positions, sold out of 5, added to 16 and reduced 30. The biggest buy was First Trust Senior Loan ETF (FTSL, shares +134%) and the biggest sale an exit from SS Blackstone Sr Loan ETF (SRLN).

Most Recent 13F
Q2 2026
Location
PORTSMOUTH, NH
CIK
0001100710
Portfolio Value
$313.8M (Q2 2025)
SEC Filing
0001765380-25-000360 ↗ filed Aug 12, 2025

Holdings Value

0$100.0M$200.0M$300.0M$400.0M Q1 2024: $293.8M Q1 2024 Q2 2024: $289.5M Q2 2024 Q3 2024: $306.4M Q3 2024 Q4 2024: $304.4M Q4 2024 Q1 2025: $297.9M Q1 2025 Q2 2025: $313.8M $313.8M Q2 2025 Q3 2025: $338.2M Q3 2025 Q4 2025: $330.6M Q4 2025 Q1 2026: $332.8M Q1 2026 Q2 2026: $373.7M Q2 2026

Holdings 81 stocks · $313.8M

VOO Vanguard S&P 500 ETF 6.29% 34,775 $19.8M Reduce -0.8%
AMZN Amazon.com Inc. 4.70% 67,273 $14.8M Reduce -1.5%
FTSL First Trust Senior Loan ETF 4.39% 300,170 $13.8M Add +134.4%
VGK Vanguard Ftse Europe ETF 4.27% 172,802 $13.4M Add +0.3%
GOOGL Alphabet Inc. Class A 3.94% 70,120 $12.4M Add +1.1%
BRK.B Berkshire Hathaway Inc. Class B 3.89% 25,152 $12.2M Reduce -1.0%
IVV iShares Core S&P 500 ETF 3.79% 19,154 $11.9M No change
VWO Vanguard Ftse Emerging Marke 3.72% 235,870 $11.7M Reduce -0.0%
AAPL Apple Inc. 3.20% 48,921 $10.0M Reduce -3.8%
VB Vanguard Most SM-Cap ETF-Usd 3.14% 41,533 $9.8M Add +3.4%
IJH iShares Core S&P Midcap ETF 3.12% 158,120 $9.8M Add +2.7%
VO Vngrd Mrngstr MD-Cap ETF-Usd 2.90% 32,504 $9.1M Add +3.8%
JPM JPMorgan Chase & Co. 2.89% 31,328 $9.1M Reduce -6.9%
SOXX iShares Semiconductor ETF 2.82% 37,040 $8.8M Add +107.6%
MSFT Microsoft Corp. 2.76% 17,401 $8.7M Add +6.7%
IJR iShares Core S&P Small-Cap E 2.73% 78,537 $8.6M Add +3.8%
BIP Brookfield Infrastructure Pa 2.72% 255,115 $8.5M Add +1.5%
EEMS iShares MSCI Emerging MKT SM 2.50% 120,843 $7.8M Add +1.5%
FLRN SS SPDR BB Ig Float RT ETF 2.35% 239,360 $7.4M Reduce -3.0%
JNJ Johnson & Johnson 1.69% 34,646 $5.3M Reduce -2.0%
IVOO Vanguard S&P Mid-Cap 400 ETF 1.65% 49,459 $5.2M Reduce -0.2%
SCZ iShares MSCI Eafe Small-Cap 1.58% 68,419 $5.0M Add +2.3%
SPDW Ste STR SPDR PT DW Eu ETF 1.48% 114,675 $4.6M Reduce -0.4%
PFE Pfizer Inc. 1.47% 189,962 $4.6M Add +183.6%
ABBV Abbvie Inc. 1.38% 23,412 $4.3M Reduce -0.5%
ABT Abbott Laboratories 1.33% 30,745 $4.2M Reduce -4.9%
IBDT iShares Ibonds Dec 2028 ETF 1.30% 160,860 $4.1M No change
IBDQ iShares Ibonds Dec 2025 Term 1.30% 162,106 $4.1M No change
VIOO Vanguard S&P Small-Cap 600 E 1.29% 40,057 $4.1M Reduce -0.2%
PEP Pepsico Inc. 1.23% 29,226 $3.9M Reduce -1.9%
SPEM State Street SP PTF Em ETF 1.21% 89,055 $3.8M Reduce -0.9%
IJT iShares S&P Small-Cap 600 GR 1.09% 25,784 $3.4M No change
V Visa Inc. Class A 1.06% 9,336 $3.3M No change
CSCO Cisco Systems Inc. 0.97% 43,955 $3.0M Reduce -0.7%
EFA iShares MSCI Eafe ETF 0.72% 25,146 $2.2M No change
DGRO iShares Core Dividend Growth 0.68% 33,534 $2.1M Reduce -3.3%
MRK Merck & Co. Inc. 0.66% 26,305 $2.1M Reduce -7.8%
XSD SS SPDR S&P Semiconductor 0.62% 7,556 $1.9M Reduce -4.2%
LOW Lowe's Cos Inc. 0.60% 8,523 $1.9M No change
IBDU iShares Ibonds Dec 2029 Term 0.59% 78,820 $1.8M Add +6.0%
MCD McDonald's Corp. 0.53% 5,706 $1.7M No change
EEM iShares MSCI Emerging Market 0.53% 34,539 $1.7M Reduce -0.1%
HD Home Depot Inc. 0.53% 4,524 $1.7M Add +10.8%
FNDE Schwab Fndmntl Em MRK Eq ETF 0.51% 48,443 $1.6M No change
MDY State Street SPDR S&P Midcap 0.50% 2,743 $1.6M No change
CVX Chevron Corp. 0.49% 10,742 $1.5M Reduce -2.8%
PG The Procter & Gamble Co. 0.45% 8,806 $1.4M Reduce -1.7%
IBDR iShares Ibonds Dec 2026 Term 0.44% 57,391 $1.4M No change
XOM Exxon Mobil Corp. 0.42% 12,194 $1.3M No change
PFF iShares Preferred & Income S 0.41% 41,623 $1.3M Reduce -0.6%
GOOG Alphabet Inc. Class C 0.40% 7,130 $1.3M Reduce -4.0%
VTI VG Morningstar TS MKT ETF-US 0.32% 3,277 $996K Reduce -1.8%
BAC Bank of America Corp. filed as BANK AMERICA CORP 0.31% 20,577 $974K Add +21.5%
RSP Invesco S&P 500 Equal Weight 0.30% 5,205 $946K No change
IBM Intl Business Machines Corp. filed as INTERNATIONAL BUSINESS MACHS 0.29% 3,036 $895K No change
IBDS Ishrs Ibnds Dec 27 Corp. ETF 0.27% 35,033 $850K No change
BIPC Brookfield Infrastructure-A 0.26% 19,760 $822K Reduce -22.4%
NVDA Nvidia Corp. 0.24% 4,710 $744K No change
AVGO Broadcom Inc. 0.21% 2,370 $653K No change
DIS The Walt Disney Co. filed as DISNEY WALT CO 0.21% 5,246 $651K Reduce -33.5%
VNQ Vanguard Real Estate ETF 0.17% 6,074 $541K Reduce -32.2%
KO The Coca-Cola Co. 0.16% 7,092 $502K No change
VNQI Vanguard GLBL Ex-US Real Est 0.16% 10,835 $500K Reduce -10.1%
SPY SS SPDR S&P 500 ETF Trust-US 0.16% 791 $489K No change
PM Philip Morris International 0.15% 2,645 $482K No change
TDIV FT Nasdaq Tech DVD Index FD 0.14% 5,000 $451K No change
IWF iShares Russell 1000 Growth 0.14% 1,050 $446K No change
GE General Electric filed as GE AEROSPACE 0.14% 1,728 $445K No change
ACWX iShares MSCI Acwi Ex US ETF 0.13% 6,875 $419K No change
XSOE Wisdmtree Emerg MKT Ex-St Ow 0.12% 10,745 $370K No change
WY Weyerhaeuser Co. 0.09% 11,405 $293K Reduce -45.8%
SPYM Ste STR SPDR PT S&P 500 ETF 0.09% 3,936 $286K No change
SCHD Schwab US DVD Equity ETF 0.09% 10,227 $271K No change
GWW WW Grainger Inc. filed as GRAINGER W W INC 0.08% 255 $265K No change
META Meta Platforms Inc. Class A 0.08% 359 $265K No change
EMR Emerson Electric Co. 0.08% 1,832 $244K No change
ASML ASML Holding NV-NY Reg SHS 0.08% 295 $236K New
IEMG iShares Core MSCI Emerging 0.07% 3,810 $229K No change
GEV GE Vernova Inc. 0.07% 428 $226K New
COST Costco Wholesale Corp. 0.07% 227 $225K No change
AMAT Applied Materials Inc. 0.07% 1,150 $211K New

Portfolio Sells Q1 2025 → Q2 2025

SRLN SS Blackstone Sr Loan ETF Sold out 0.00% −1.93
TMO Thermo Fisher Scientific Inc. Sold out 0.00% −1.87
XBI SS SPDR S&P Biotech ETF Sold out 0.00% −0.80
HYBL SS Blackstone High Inc. ETF Sold out 0.00% −0.72
BRK.B Berkshire Hathaway Inc. Class B Reduce -1.0% 3.89% −0.65
AAPL Apple Inc. Reduce -3.8% 3.20% −0.59
IBB iShares Biotechnology ETF Sold out 0.00% −0.50
JNJ Johnson & Johnson Reduce -2.0% 1.69% −0.28
ABBV Abbvie Inc. Reduce -0.5% 1.38% −0.27
PEP Pepsico Inc. Reduce -1.9% 1.23% −0.27
FLRN SS SPDR BB Ig Float RT ETF Reduce -3.0% 2.35% −0.20
MRK Merck & Co. Inc. Reduce -7.8% 0.66% −0.20
CVX Chevron Corp. Reduce -2.8% 0.49% −0.13
WY Weyerhaeuser Co. Reduce -45.8% 0.09% −0.11
ABT Abbott Laboratories Reduce -4.9% 1.33% −0.11
VNQ Vanguard Real Estate ETF Reduce -32.2% 0.17% −0.10
PG The Procter & Gamble Co. Reduce -1.7% 0.45% −0.07
DIS The Walt Disney Co. Reduce -33.5% 0.21% −0.05
BIPC Brookfield Infrastructure-A Reduce -22.4% 0.26% −0.05
DGRO iShares Core Dividend Growth Reduce -3.3% 0.68% −0.04
PFF iShares Preferred & Income S Reduce -0.6% 0.41% −0.03
VIOO Vanguard S&P Small-Cap 600 E Reduce -0.2% 1.29% −0.01
VNQI Vanguard GLBL Ex-US Real Est Reduce -10.1% 0.16% −0.00
VTI VG Morningstar TS MKT ETF-US Reduce -1.8% 0.32% +0.01
IVOO Vanguard S&P Mid-Cap 400 ETF Reduce -0.2% 1.65% +0.01
GOOG Alphabet Inc. Class C Reduce -4.0% 0.40% +0.01
EEM iShares MSCI Emerging Market Reduce -0.1% 0.53% +0.02
SPEM State Street SP PTF Em ETF Reduce -0.9% 1.21% +0.03
CSCO Cisco Systems Inc. Reduce -0.7% 0.97% +0.06
SPDW Ste STR SPDR PT DW Eu ETF Reduce -0.4% 1.48% +0.07
XSD SS SPDR S&P Semiconductor Reduce -4.2% 0.62% +0.09
JPM JPMorgan Chase & Co. Reduce -6.9% 2.89% +0.12
VWO Vanguard Ftse Emerging Marke Reduce -0.0% 3.72% +0.13
VOO Vanguard S&P 500 ETF Reduce -0.8% 6.29% +0.25
AMZN Amazon.com Inc. Reduce -1.5% 4.70% +0.34

Portfolio Buys Q1 2025 → Q2 2025

FTSL First Trust Senior Loan ETF Add +134.4% 4.39% +2.43
SOXX iShares Semiconductor ETF Add +107.6% 2.82% +1.69
PFE Pfizer Inc. Add +183.6% 1.47% +0.90
MSFT Microsoft Corp. Add +6.7% 2.76% +0.70
GOOGL Alphabet Inc. Class A Add +1.1% 3.94% +0.34
EEMS iShares MSCI Emerging MKT SM Add +1.5% 2.50% +0.27
BIP Brookfield Infrastructure Pa Add +1.5% 2.72% +0.21
VGK Vanguard Ftse Europe ETF Add +0.3% 4.27% +0.21
VO Vngrd Mrngstr MD-Cap ETF-Usd Add +3.8% 2.90% +0.18
SCZ iShares MSCI Eafe Small-Cap Add +2.3% 1.58% +0.16
VB Vanguard Most SM-Cap ETF-Usd Add +3.4% 3.14% +0.15
IJH iShares Core S&P Midcap ETF Add +2.7% 3.12% +0.11
IJR iShares Core S&P Small-Cap E Add +3.8% 2.73% +0.08
ASML ASML Holding NV-NY Reg SHS New 0.08% +0.08
BAC Bank of America Corp. Add +21.5% 0.31% +0.07
GEV GE Vernova Inc. New 0.07% +0.07
AMAT Applied Materials Inc. New 0.07% +0.07
HD Home Depot Inc. Add +10.8% 0.53% +0.03
IBDU iShares Ibonds Dec 2029 Term Add +6.0% 0.59% +0.01

All Filings

QuarterPositions13F Reported ValueTop Holdings
Q2 2026 82$373.7MVOO, IJH, GOOGL, VGK, IJR
Q1 2026 79$332.8MVOO, GOOGL, FTSL, VGK, IJH
Q4 2025 78$330.6MVOO, GOOGL, FTSL, AMZN, VGK
Q3 2025 80$338.2MVOO, GOOGL, AMZN, FTSL, VGK
Q2 2025 81$313.8MVOO, AMZN, FTSL, VGK, GOOGL
Q1 2025 83$297.9MVOO, BRK.B, AMZN, VGK, AAPL
Q4 2024 86$304.4MVOO, GOOGL, AAPL, BRK.B, IVV
Q3 2024 90$306.4MVOO, AAPL, VGK, BRK.B, GOOGL
Q2 2024 84$289.5MVOO, GOOGL, VGK, AAPL, BRK.B
Q1 2024 86$293.8MVOO, VGK, BRK.B, GOOGL, SRLN