Harbor Advisory Corp.

In its 13F for Q3 2024 (holdings as of September 30, 2024, filed October 21, 2024), Harbor Advisory Corp. reported 90 stock positions worth $306.4 million. Its top holding was Vanguard S&P 500 ETF (VOO) at 6.1% of the portfolio, followed by Apple (AAPL, 4.0%) and Vanguard Ftse Europe ETF (VGK, 3.9%). Compared with Q2 2024, it opened 8 new positions, sold out of 2, added to 15 and reduced 36. The biggest buy was Chevron (CVX, shares +109%) and the biggest sale Alphabet Class A (GOOGL, shares −1%).

Most Recent 13F
Q2 2026
Location
PORTSMOUTH, NH
CIK
0001100710
Portfolio Value
$306.4M (Q3 2024)
SEC Filing
0001100710-24-000004 ↗ filed Oct 21, 2024

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 $306.4M Q3 2024 Q4 2024: $304.4M Q4 2024 Q1 2025: $297.9M Q1 2025 Q2 2025: $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 90 stocks · $306.4M

VOO Vanguard S&P 500 ETF 6.13% 35,603 $18.8M Reduce -3.3%
AAPL Apple Inc. 3.97% 52,195 $12.2M Reduce -1.2%
VGK Vanguard Ftse Europe ETF 3.95% 170,044 $12.1M Add +1.7%
BRK.B Berkshire Hathaway Inc. Class B 3.89% 25,911 $11.9M Reduce -1.8%
GOOGL Alphabet Inc. Class A 3.75% 69,313 $11.5M Reduce -1.3%
VWO Vanguard Ftse Emerging Marke 3.52% 225,079 $10.8M Reduce -0.6%
SRLN SS Blackstone Sr Loan ETF 3.42% 251,257 $10.5M Reduce -1.5%
IVV iShares Core S&P 500 ETF 3.29% 17,454 $10.1M Add +2.2%
AMZN Amazon.com Inc. 3.05% 50,083 $9.3M Add +0.9%
IJH iShares Core S&P Midcap ETF 2.93% 144,048 $9.0M Reduce -0.3%
BIP Brookfield Infrastructure Pa 2.84% 248,321 $8.7M Reduce -1.9%
IJR iShares Core S&P Small-Cap E 2.66% 69,573 $8.1M Reduce -0.2%
FLRN SS SPDR BB Ig Float RT ETF 2.63% 261,150 $8.1M Add +1.8%
VB Vanguard Most SM-Cap ETF-Usd 2.62% 33,802 $8.0M Add +0.8%
JPM JPMorgan Chase & Co. 2.39% 34,762 $7.3M Reduce -0.6%
EEMS iShares MSCI Emerging MKT SM 2.36% 113,113 $7.2M Add +2.6%
VO Vngrd Mrngstr MD-Cap ETF-Usd 2.21% 25,650 $6.8M Add +1.1%
MSFT Microsoft Corp. 2.20% 15,692 $6.8M Add +1.6%
TMO Thermo Fisher Scientific Inc. 2.09% 10,362 $6.4M Add +0.3%
JNJ Johnson & Johnson 1.91% 36,156 $5.9M Reduce -1.2%
IVOO Vanguard S&P Mid-Cap 400 ETF 1.71% 49,537 $5.2M Reduce -0.2%
PEP Pepsico Inc. 1.66% 29,940 $5.1M Reduce -0.0%
SCZ iShares MSCI Eafe Small-Cap 1.58% 71,523 $4.8M Add +0.7%
ABBV Abbvie Inc. 1.56% 24,145 $4.8M Add +1.1%
VIOO Vanguard S&P Small-Cap 600 E 1.42% 40,128 $4.3M Reduce -0.2%
IBDQ iShares Ibonds Dec 2025 Term 1.33% 162,686 $4.1M No change
IBDT iShares Ibonds Dec 2028 ETF 1.32% 158,558 $4.0M Reduce -7.4%
ABT Abbott Laboratories 1.30% 34,856 $4.0M Reduce -4.7%
SOXX iShares Semiconductor ETF 1.29% 17,105 $3.9M No change
IBDP iShares Ibonds Dec 2024 Term 1.26% 153,173 $3.9M No change
PFE Pfizer Inc. 1.19% 126,272 $3.7M Add +3.0%
IJT iShares S&P Small-Cap 600 GR 1.17% 25,784 $3.6M No change
MRK Merck & Co. Inc. 1.06% 28,536 $3.2M Reduce -0.1%
CVX Chevron Corp. 1.04% 21,568 $3.2M Add +109.3%
XBI SS SPDR S&P Biotech ETF 1.02% 31,525 $3.1M Reduce -0.5%
SPDW Ste STR SPDR PT DW Eu ETF 0.98% 79,855 $3.0M Reduce -0.7%
SPEM State Street SP PTF Em ETF 0.95% 70,249 $2.9M Reduce -1.2%
V Visa Inc. Class A 0.84% 9,336 $2.6M Add +3.9%
HYBL SS Blackstone High Inc. ETF 0.78% 82,848 $2.4M Reduce -1.4%
CSCO Cisco Systems Inc. 0.78% 44,635 $2.4M Reduce -0.8%
DGRO iShares Core Dividend Growth 0.71% 34,660 $2.2M Reduce -9.0%
LOW Lowe's Cos Inc. 0.69% 7,815 $2.1M No change
EFA iShares MSCI Eafe ETF 0.69% 25,146 $2.1M Reduce -2.5%
XSD SS SPDR S&P Semiconductor 0.62% 7,889 $1.9M Reduce -0.7%
IBB iShares Biotechnology ETF 0.59% 12,404 $1.8M Reduce -3.0%
MCD McDonald's Corp. 0.57% 5,706 $1.7M No change
EEM iShares MSCI Emerging Market 0.54% 36,314 $1.7M No change
HD Home Depot Inc. 0.54% 4,082 $1.7M No change
PFF iShares Preferred & Income S 0.51% 47,262 $1.6M Reduce -9.1%
FNDE Schwab Fndmntl Em MRK Eq ETF 0.51% 48,443 $1.6M No change
MDY State Street SPDR S&P Midcap 0.51% 2,743 $1.6M No change
PG The Procter & Gamble Co. 0.51% 8,956 $1.6M No change
ENB Enbridge Inc. 0.49% 36,626 $1.5M Reduce -12.5%
XOM Exxon Mobil Corp. 0.47% 12,304 $1.4M No change
BIPC Brookfield Infrastructure-A 0.42% 29,931 $1.3M Add +12.9%
IBDR iShares Ibonds Dec 2026 Term 0.42% 53,395 $1.3M No change
GOOG Alphabet Inc. Class C 0.41% 7,450 $1.2M No change
VTI VG Morningstar TS MKT ETF-US 0.35% 3,808 $1.1M Reduce -1.0%
VNQ Vanguard Real Estate ETF 0.33% 10,344 $1.0M Reduce -4.5%
WY Weyerhaeuser Co. 0.32% 29,320 $993K Reduce -8.5%
DIS The Walt Disney Co. filed as DISNEY WALT CO 0.31% 9,767 $939K Reduce -39.6%
VNQI Vanguard GLBL Ex-US Real Est 0.24% 15,960 $749K Reduce -6.4%
BAC Bank of America Corp. filed as BANK AMERICA CORP 0.24% 18,371 $729K Reduce -22.5%
IBDS Ishrs Ibnds Dec 27 Corp. ETF 0.23% 29,545 $720K No change
IBM Intl Business Machines Corp. filed as INTERNATIONAL BUSINESS MACHS 0.22% 3,036 $671K No change
NVDA Nvidia Corp. 0.19% 4,710 $572K No change
KO The Coca-Cola Co. 0.17% 7,092 $510K No change
SPY SS SPDR S&P 500 ETF Trust-US 0.15% 791 $454K No change
AVGO Broadcom Inc. 0.13% 2,370 $409K No change
TDIV FT Nasdaq Tech DVD Index FD 0.13% 5,000 $402K No change
IWF iShares Russell 1000 Growth 0.13% 1,050 $394K No change
ACWX iShares MSCI Acwi Ex US ETF 0.13% 6,775 $388K No change
XSOE Wisdmtree Emerg MKT Ex-St Ow 0.12% 10,745 $355K No change
BKLN Invesco Senior Loan ETF 0.11% 16,549 $348K No change
GE General Electric filed as GE AEROSPACE 0.11% 1,728 $326K No change
PM Philip Morris International 0.10% 2,645 $321K No change
FTSL First Trust Senior Loan ETF 0.09% 6,300 $289K New
SCHD Schwab US DVD Equity ETF 0.09% 3,409 $288K No change
SPYM Ste STR SPDR PT S&P 500 ETF 0.09% 3,936 $266K No change
GWW WW Grainger Inc. filed as GRAINGER W W INC 0.09% 255 $265K New
ASML ASML Holding NV-NY Reg SHS 0.08% 295 $246K New
COST Costco Wholesale Corp. 0.08% 273 $242K New
AMAT Applied Materials Inc. 0.08% 1,150 $232K New
IEMG iShares Core MSCI Emerging 0.07% 3,810 $219K No change
UNH Unitedhealth Group Inc. 0.07% 372 $218K New
ZTS Zoetis Inc. 0.07% 1,090 $213K New
MDLZ Mondelez International Inc. Class A 0.07% 2,882 $212K Reduce -23.9%
IBDU iShares Ibonds Dec 2029 Term 0.07% 8,850 $208K Reduce -50.4%
META Meta Platforms Inc. Class A 0.07% 359 $206K New
EMR Emerson Electric Co. 0.07% 1,832 $200K No change

Portfolio Sells Q2 2024 → Q3 2024

GOOGL Alphabet Inc. Class A Reduce -1.3% 3.75% −0.67
SRLN SS Blackstone Sr Loan ETF Reduce -1.5% 3.42% −0.26
DIS The Walt Disney Co. Reduce -39.6% 0.31% −0.25
VOO Vanguard S&P 500 ETF Reduce -3.3% 6.13% −0.22
MRK Merck & Co. Inc. Reduce -0.1% 1.06% −0.16
IBDT iShares Ibonds Dec 2028 ETF Reduce -7.4% 1.32% −0.14
AGG iShares Core U.S. Aggregate Sold out 0.00% −0.14
BAC Bank of America Corp. Reduce -22.5% 0.24% −0.09
IBDU iShares Ibonds Dec 2029 Term Reduce -50.4% 0.07% −0.07
IEFA iShares Core MSCI Eafe ETF Sold out 0.00% −0.07
XSD SS SPDR S&P Semiconductor Reduce -0.7% 0.62% −0.06
PFF iShares Preferred & Income S Reduce -9.1% 0.51% −0.05
JPM JPMorgan Chase & Co. Reduce -0.6% 2.39% −0.05
DGRO iShares Core Dividend Growth Reduce -9.0% 0.71% −0.05
HYBL SS Blackstone High Inc. ETF Reduce -1.4% 0.78% −0.04
PEP Pepsico Inc. Reduce -0.0% 1.66% −0.04
ENB Enbridge Inc. Reduce -12.5% 0.49% −0.03
IBB iShares Biotechnology ETF Reduce -3.0% 0.59% −0.02
MDLZ Mondelez International Inc. Class A Reduce -23.9% 0.07% −0.02
ABT Abbott Laboratories Reduce -4.7% 1.30% −0.02
EFA iShares MSCI Eafe ETF Reduce -2.5% 0.69% −0.01
VTI VG Morningstar TS MKT ETF-US Reduce -1.0% 0.35% −0.00
XBI SS SPDR S&P Biotech ETF Reduce -0.5% 1.02% +0.00
SPDW Ste STR SPDR PT DW Eu ETF Reduce -0.7% 0.98% +0.00
VNQI Vanguard GLBL Ex-US Real Est Reduce -6.4% 0.24% +0.01
IVOO Vanguard S&P Mid-Cap 400 ETF Reduce -0.2% 1.71% +0.01
WY Weyerhaeuser Co. Reduce -8.5% 0.32% +0.01
IJH iShares Core S&P Midcap ETF Reduce -0.3% 2.93% +0.01
VNQ Vanguard Real Estate ETF Reduce -4.5% 0.33% +0.02
SPEM State Street SP PTF Em ETF Reduce -1.2% 0.95% +0.02
CSCO Cisco Systems Inc. Reduce -0.8% 0.78% +0.04
VIOO Vanguard S&P Small-Cap 600 E Reduce -0.2% 1.42% +0.05
JNJ Johnson & Johnson Reduce -1.2% 1.91% +0.06
IJR iShares Core S&P Small-Cap E Reduce -0.2% 2.66% +0.09
VWO Vanguard Ftse Emerging Marke Reduce -0.6% 3.52% +0.09
AAPL Apple Inc. Reduce -1.2% 3.97% +0.13
BRK.B Berkshire Hathaway Inc. Class B Reduce -1.8% 3.89% +0.19
BIP Brookfield Infrastructure Pa Reduce -1.9% 2.84% +0.44

Portfolio Buys Q2 2024 → Q3 2024

CVX Chevron Corp. Add +109.3% 1.04% +0.48
ABBV Abbvie Inc. Add +1.1% 1.56% +0.14
TMO Thermo Fisher Scientific Inc. Add +0.3% 2.09% +0.12
BIPC Brookfield Infrastructure-A Add +12.9% 0.42% +0.12
FTSL First Trust Senior Loan ETF New 0.09% +0.09
VB Vanguard Most SM-Cap ETF-Usd Add +0.8% 2.62% +0.09
VGK Vanguard Ftse Europe ETF Add +1.7% 3.95% +0.09
VO Vngrd Mrngstr MD-Cap ETF-Usd Add +1.1% 2.21% +0.09
GWW WW Grainger Inc. New 0.09% +0.09
ASML ASML Holding NV-NY Reg SHS New 0.08% +0.08
COST Costco Wholesale Corp. New 0.08% +0.08
AMAT Applied Materials Inc. New 0.08% +0.08
UNH Unitedhealth Group Inc. New 0.07% +0.07
ZTS Zoetis Inc. New 0.07% +0.07
SCZ iShares MSCI Eafe Small-Cap Add +0.7% 1.58% +0.07
META Meta Platforms Inc. Class A New 0.07% +0.07
IVV iShares Core S&P 500 ETF Add +2.2% 3.29% +0.06
EEMS iShares MSCI Emerging MKT SM Add +2.6% 2.36% +0.03
V Visa Inc. Class A Add +3.9% 0.84% +0.02
PFE Pfizer Inc. Add +3.0% 1.19% +0.01
FLRN SS SPDR BB Ig Float RT ETF Add +1.8% 2.63% −0.10
MSFT Microsoft Corp. Add +1.6% 2.20% −0.18
AMZN Amazon.com Inc. Add +0.9% 3.05% −0.27

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