13F filer

Harbor Investment Advisory

As of Sep 30, 2026 Filed Oct 13, 2026 CIK 1468792 SEC filings ↗

13F Value

$1.47B

Positions

1,437

Top Position

MAR12.9%

Top 5

31.3%

Latest filing changes

vs Jun 30, 2026

1 NVDA NVIDIA +16.6%+$3.0M

2 MSFT Microsoft +3.9%+$1.9M

3 RSP Invesco S&P 500 Equal Weight ETF +11.9%+$1.8M

4 BIL State Street(R) SPDR(R) Bloomberg 1-3 Month T-Bill ETF +15.2%+$1.5M

5 GS Goldman Sachs Group +25.6%+$1.4M

Holdings1,437

#							Trend (4Q)
1	MAR Marriott International	12.9%	$189.2M	-0.0%	531.9K	13.8%		Common Stock
2	AAPL Apple	7.2%	$105.5M	-0.3%	316.8K	6.4%		Common Stock
3	AMZN Amazon	3.9%	$57.7M	+0.9%	231.5K	3.8%		Common Stock
4	GOOGL Alphabet Class A Filing details 02079K305 Sep 30, 2026 167,535 reported quantity $57,645,544 reported value	3.9%	$57.6M	-1.4%	167.5K	4.2%		Common Stock
5	MSFT Microsoft	3.4%	$50.0M	+3.9%	97.4K	2.4%		Common Stock
6	BRK.B Berkshire Hathaway Class B Filing details 084670702 Sep 30, 2026 63,200 reported quantity $31,470,428 reported value	2.1%	$31.5M	-1.3%	63.2K	2.2%		Common Stock
7	GOOG Alphabet Class C	1.5%	$21.4M	-2.0%	62.8K	1.6%		Common Stock
8	NVDA NVIDIA	1.5%	$21.4M	+16.6%	93.7K	1.1%		Common Stock
9	JPM JPMorgan Chase	1.3%	$19.4M	+1.7%	58.7K	1.3%		Common Stock
10	IVV iShares Core S&P 500 ETF	1.3%	$18.9M	-0.3%	24.7K	1.3%		ETF
11	VTI Vanguard Morningstar Total Stock Market Index Fund — ETF Shares	1.2%	$17.8M	-0.0%	47.4K	1.2%		ETF
12	VUG Vanguard Morningstar Growth Index Fund — ETF Shares	1.2%	$17.5M	-3.9%	194.5K	1.2%	—	ETF
13	VTV Vanguard Morningstar Value Index Fund — ETF Shares	1.2%	$17.2M	+6.7%	79.6K	1.1%		ETF
14	RSP Invesco S&P 500 Equal Weight ETF	1.2%	$17.0M	+11.9%	81.8K	1.1%		ETF
15	VOO Vanguard 500 Index Fund — ETF Shares	1.1%	$15.6M	+1.5%	22.3K	1.1%		ETF
16	GLDM World Gold Tr	1.0%	$14.8M	+1.3%	180.4K	1.0%		Trust
17	MA Mastercard	1.0%	$14.4M	-0.0%	26.1K	0.9%		Common Stock
18	V Visa	1.0%	$14.2M	-1.8%	39.4K	1.0%		Common Stock
19	IWN iShares Russell 2000 Value ETF	0.8%	$12.1M	-4.0%	57.7K	0.9%		ETF
20	LLY Eli Lilly	0.8%	$11.8M	+0.0%	10.2K	0.8%		Common Stock

Change compares with the prior filing. Prior % is the share of the portfolio in that filing. Trend shows the quantity held in each of the last four filings: green rose, red fell, grey unchanged.

Exited in Latest Filing36

#	Holding	Prior %	Prior Value	Change	Prior Quantity	Trend (4Q)	Type

Compared with the immediately prior published filing (Jun 30, 2026). Prior values are shown for context and are not included in current totals.