Harbor Advisory Corp.

In its 13F for Q4 2025 (holdings as of December 31, 2025, filed February 6, 2026), Harbor Advisory Corp. reported 78 stock positions worth $330.6 million. Its top holding was Vanguard S&P 500 ETF (VOO) at 6.5% of the portfolio, followed by Alphabet Class A (GOOGL, 6.0%) and First Trust Senior Loan ETF (FTSL, 4.5%). Compared with Q3 2025, it opened 3 new positions, sold out of 5, added to 9 and reduced 44. The biggest buy was iShares Ibonds Dec 2029 Term (IBDU, shares +59%) and the biggest sale an exit from iShares Ibonds Dec 2025 Term (IBDQ).

Most Recent 13F
Q2 2026
Location
PORTSMOUTH, NH
CIK
0001100710
Portfolio Value
$330.6M (Q4 2025)
SEC Filing
0001765380-26-000072 ↗ filed Feb 6, 2026

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 Q2 2025 Q3 2025: $338.2M Q3 2025 Q4 2025: $330.6M $330.6M Q4 2025 Q1 2026: $332.8M Q1 2026 Q2 2026: $373.7M Q2 2026

Holdings 78 stocks · $330.6M

VOO Vanguard S&P 500 ETF 6.54% 34,465 $21.6M Reduce -0.7%
GOOGL Alphabet Inc. Class A 5.98% 63,147 $19.8M Reduce -8.1%
FTSL First Trust Senior Loan ETF 4.53% 326,213 $15.0M Add +5.6%
AMZN Amazon.com Inc. 4.47% 64,015 $14.8M Reduce -4.5%
VGK Vanguard Ftse Europe ETF 4.32% 170,781 $14.3M Reduce -1.8%
VWO Vanguard Ftse Emerging Marke 3.80% 233,793 $12.6M Reduce -3.2%
AAPL Apple Inc. 3.62% 44,037 $12.0M Reduce -7.7%
BRK.B Berkshire Hathaway Inc. Class B 3.62% 23,777 $12.0M Reduce -4.3%
VB Vanguard Most SM-Cap ETF-Usd 3.44% 44,096 $11.4M Add +3.3%
IVV iShares Core S&P 500 ETF 3.36% 16,218 $11.1M Reduce -14.1%
SOXX iShares Semiconductor ETF 3.13% 34,345 $10.3M Reduce -6.8%
VO Vngrd Mrngstr MD-Cap ETF-Usd 3.09% 35,147 $10.2M Add +4.4%
IJR iShares Core S&P Small-Cap E 2.86% 78,704 $9.5M Reduce -5.9%
IJH iShares Core S&P Midcap ETF 2.86% 143,021 $9.4M Reduce -14.4%
BIP Brookfield Infrastructure Pa 2.63% 250,071 $8.7M Reduce -2.6%
JPM JPMorgan Chase & Co. 2.52% 25,861 $8.3M Reduce -11.7%
MSFT Microsoft Corp. 2.39% 16,351 $7.9M Reduce -5.6%
EEMS iShares MSCI Emerging MKT SM 2.28% 111,673 $7.5M Reduce -9.4%
FLRN SS SPDR BB Ig Float RT ETF 2.18% 235,000 $7.2M Reduce -3.0%
JNJ Johnson & Johnson 2.03% 32,490 $6.7M Reduce -5.5%
IVOO Vanguard S&P Mid-Cap 400 ETF 1.67% 49,445 $5.5M No change
IBDT iShares Ibonds Dec 2028 ETF 1.61% 208,749 $5.3M Add +15.1%
SPDW Ste STR SPDR PT DW Eu ETF 1.51% 112,330 $5.0M Reduce -2.0%
SCZ iShares MSCI Eafe Small-Cap 1.49% 63,495 $4.9M Reduce -11.1%
PFE Pfizer Inc. 1.37% 182,357 $4.5M Reduce -4.0%
ABBV Abbvie Inc. 1.35% 19,477 $4.5M Reduce -11.0%
VIOO Vanguard S&P Small-Cap 600 E 1.31% 38,986 $4.3M Reduce -2.6%
SPEM State Street SP PTF Em ETF 1.22% 86,327 $4.0M Reduce -2.9%
PEP Pepsico Inc. 1.21% 27,825 $4.0M Reduce -5.9%
ABT Abbott Laboratories 1.02% 26,866 $3.4M Reduce -6.8%
CSCO Cisco Systems Inc. 1.01% 43,355 $3.3M Reduce -1.4%
IBDU iShares Ibonds Dec 2029 Term 0.89% 125,339 $2.9M Add +59.0%
V Visa Inc. Class A 0.84% 7,947 $2.8M Reduce -14.9%
MRK Merck & Co. Inc. 0.78% 24,449 $2.6M Reduce -7.0%
IJT iShares S&P Small-Cap 600 GR 0.74% 17,217 $2.4M Reduce -33.2%
XSD SS SPDR S&P Semiconductor 0.73% 7,548 $2.4M No change
EFA iShares MSCI Eafe ETF 0.71% 24,593 $2.4M Reduce -2.2%
EEM iShares MSCI Emerging Market 0.56% 34,039 $1.9M No change
IBDS Ishrs Ibnds Dec 27 Corp. ETF 0.56% 76,233 $1.9M Add +103.1%
FNDE Schwab Fndmntl Em MRK Eq ETF 0.53% 48,443 $1.7M No change
DGRO iShares Core Dividend Growth 0.51% 24,497 $1.7M Reduce -20.3%
GOOG Alphabet Inc. Class C 0.51% 5,410 $1.7M Reduce -22.5%
LOW Lowe's Cos Inc. 0.51% 7,015 $1.7M Reduce -17.7%
HD Home Depot Inc. 0.50% 4,820 $1.7M Reduce -0.1%
MDY State Street SPDR S&P Midcap 0.50% 2,743 $1.7M No change
IBDR iShares Ibonds Dec 2026 Term 0.50% 67,891 $1.6M Add +6.3%
CVX Chevron Corp. 0.49% 10,588 $1.6M Reduce -2.3%
XOM Exxon Mobil Corp. 0.47% 12,828 $1.5M Add +5.2%
MCD McDonald's Corp. 0.42% 4,532 $1.4M Reduce -13.4%
PG The Procter & Gamble Co. 0.38% 8,806 $1.3M No change
PFF iShares Preferred & Income S 0.35% 36,886 $1.1M Reduce -11.4%
BAC Bank of America Corp. filed as BANK AMERICA CORP 0.34% 20,577 $1.1M No change
VTI VG Morningstar TS MKT ETF-US 0.33% 3,227 $1.1M Reduce -0.5%
IBDV iShares Ibonds Dec 2030 Corp. 0.31% 46,886 $1.0M New
RSP Invesco S&P 500 Equal Weight 0.30% 5,205 $997K No change
BIPC Brookfield Infrastructure-A 0.27% 19,942 $905K Reduce -8.2%
IBM Intl Business Machines Corp. filed as INTERNATIONAL BUSINESS MACHS 0.27% 3,036 $899K No change
SPY SS SPDR S&P 500 ETF Trust-US 0.16% 794 $541K No change
GE General Electric filed as GE AEROSPACE 0.16% 1,728 $532K No change
IWF iShares Russell 1000 Growth 0.15% 1,050 $497K No change
KO The Coca-Cola Co. 0.15% 7,092 $496K No change
AVGO Broadcom Inc. 0.14% 1,370 $474K Reduce -42.2%
ACWX iShares MSCI Acwi Ex US ETF 0.14% 7,000 $470K Add +1.8%
VNQ Vanguard Real Estate ETF 0.14% 5,299 $469K Reduce -10.6%
PM Philip Morris International 0.13% 2,645 $424K No change
XSOE Wisdmtree Emerg MKT Ex-St Ow 0.13% 10,745 $419K No change
VNQI Vanguard GLBL Ex-US Real Est 0.12% 8,745 $401K Reduce -4.2%
SPYM Ste STR SPDR PT S&P 500 ETF 0.10% 3,936 $316K No change
AMAT Applied Materials Inc. 0.09% 1,150 $296K No change
GEV GE Vernova Inc. 0.08% 428 $280K No change
ASML ASML Holding NV-NY Reg SHS 0.08% 257 $275K Reduce -12.9%
GWW WW Grainger Inc. 0.08% 255 $257K No change
IEMG iShares Core MSCI Emerging 0.08% 3,810 $256K No change
TDIV FT Nasdaq Tech DVD Index FD 0.07% 2,500 $242K Reduce -50.0%
SCHD Schwab US DVD Equity ETF 0.07% 8,550 $235K No change
AXP American Express Co. 0.07% 584 $216K New
IEFA iShares Core MSCI Eafe ETF 0.06% 2,352 $210K No change
LLY Eli Lilly & Co. 0.06% 194 $208K New

Portfolio Sells Q3 2025 → Q4 2025

IBDQ iShares Ibonds Dec 2025 Term Sold out 0.00% −1.21
IVV iShares Core S&P 500 ETF Reduce -14.1% 3.36% −0.38
IJH iShares Core S&P Midcap ETF Reduce -14.4% 2.86% −0.37
IJT iShares S&P Small-Cap 600 GR Reduce -33.2% 0.74% −0.34
MSFT Microsoft Corp. Reduce -5.6% 2.39% −0.26
NVDA Nvidia Corp. Sold out 0.00% −0.26
JPM JPMorgan Chase & Co. Reduce -11.7% 2.52% −0.21
EEMS iShares MSCI Emerging MKT SM Reduce -9.4% 2.28% −0.20
ABBV Abbvie Inc. Reduce -11.0% 1.35% −0.15
SCZ iShares MSCI Eafe Small-Cap Reduce -11.1% 1.49% −0.13
ABT Abbott Laboratories Reduce -6.8% 1.02% −0.12
LOW Lowe's Cos Inc. Reduce -17.7% 0.51% −0.12
DGRO iShares Core Dividend Growth Reduce -20.3% 0.51% −0.10
V Visa Inc. Class A Reduce -14.9% 0.84% −0.10
AVGO Broadcom Inc. Reduce -42.2% 0.14% −0.09
BRK.B Berkshire Hathaway Inc. Class B Reduce -4.3% 3.62% −0.08
META Meta Platforms Inc. Class A Sold out 0.00% −0.08
IJR iShares Core S&P Small-Cap E Reduce -5.9% 2.86% −0.08
HD Home Depot Inc. Reduce -0.1% 0.50% −0.08
TDIV FT Nasdaq Tech DVD Index FD Reduce -50.0% 0.07% −0.07
EMR Emerson Electric Co. Sold out 0.00% −0.07
VWO Vanguard Ftse Emerging Marke Reduce -3.2% 3.80% −0.07
COST Costco Wholesale Corp. Sold out 0.00% −0.06
PFE Pfizer Inc. Reduce -4.0% 1.37% −0.06
MCD McDonald's Corp. Reduce -13.4% 0.42% −0.05
PFF iShares Preferred & Income S Reduce -11.4% 0.35% −0.04
FLRN SS SPDR BB Ig Float RT ETF Reduce -3.0% 2.18% −0.03
PEP Pepsico Inc. Reduce -5.9% 1.21% −0.02
VNQ Vanguard Real Estate ETF Reduce -10.6% 0.14% −0.02
CVX Chevron Corp. Reduce -2.3% 0.49% −0.01
SPEM State Street SP PTF Em ETF Reduce -2.9% 1.22% −0.01
VNQI Vanguard GLBL Ex-US Real Est Reduce -4.2% 0.12% −0.01
ASML ASML Holding NV-NY Reg SHS Reduce -12.9% 0.08% −0.00
VIOO Vanguard S&P Small-Cap 600 E Reduce -2.6% 1.31% +0.00
BIPC Brookfield Infrastructure-A Reduce -8.2% 0.27% +0.01
GOOG Alphabet Inc. Class C Reduce -22.5% 0.51% +0.01
VTI VG Morningstar TS MKT ETF-US Reduce -0.5% 0.33% +0.01
EFA iShares MSCI Eafe ETF Reduce -2.2% 0.71% +0.02
AAPL Apple Inc. Reduce -7.7% 3.62% +0.03
SPDW Ste STR SPDR PT DW Eu ETF Reduce -2.0% 1.51% +0.06
AMZN Amazon.com Inc. Reduce -4.5% 4.47% +0.12
CSCO Cisco Systems Inc. Reduce -1.4% 1.01% +0.12
MRK Merck & Co. Inc. Reduce -7.0% 0.78% +0.13
BIP Brookfield Infrastructure Pa Reduce -2.6% 2.63% +0.13
JNJ Johnson & Johnson Reduce -5.5% 2.03% +0.15
SOXX iShares Semiconductor ETF Reduce -6.8% 3.13% +0.17
VGK Vanguard Ftse Europe ETF Reduce -1.8% 4.32% +0.21
VOO Vanguard S&P 500 ETF Reduce -0.7% 6.54% +0.26
GOOGL Alphabet Inc. Class A Reduce -8.1% 5.98% +1.04

Portfolio Buys Q3 2025 → Q4 2025

IBDU iShares Ibonds Dec 2029 Term Add +59.0% 0.89% +0.34
FTSL First Trust Senior Loan ETF Add +5.6% 4.53% +0.34
IBDV iShares Ibonds Dec 2030 Corp. New 0.31% +0.31
IBDS Ishrs Ibnds Dec 27 Corp. ETF Add +103.1% 0.56% +0.29
IBDT iShares Ibonds Dec 2028 ETF Add +15.1% 1.61% +0.24
VB Vanguard Most SM-Cap ETF-Usd Add +3.3% 3.44% +0.23
VO Vngrd Mrngstr MD-Cap ETF-Usd Add +4.4% 3.09% +0.16
AXP American Express Co. New 0.07% +0.07
LLY Eli Lilly & Co. New 0.06% +0.06
XOM Exxon Mobil Corp. Add +5.2% 0.47% +0.06
IBDR iShares Ibonds Dec 2026 Term Add +6.3% 0.50% +0.04
ACWX iShares MSCI Acwi Ex US ETF Add +1.8% 0.14% +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