Q2 2026 13F · SEC CIK 1304229

SeaBridge Investment Advisors LLC

Wealth managerFiled 2026-07-17 for Q2 2026. Open the filing ↗ · All SEC filings ↗

Reported 13F value: $691.6M
Reported positions: 188
Top holdings a year, 3 yrs: +16.0%
Assets under management: $771.2M

SeaBridge Investment Advisors LLC is a wealth manager that reported 188 positions worth $691.6M in its Q2 2026 13F, filed 2026-07-17. Its largest holdings were Taiwan Semiconductor Manufac (TSM, 4.4%), Apple Inc (AAPL, 3.7%), Vmbs (VMBS, 3.4%). A portfolio copying its top holdings returned 16.0% a year over the last 3 years, against 20.4% for the S&P 500.

SeaBridge Investment Advisors LLC holdings largest 50 of 188 positions.

Weights are shares of the filer's total reported 13F value, compared with Q1 2026. Share changes may reflect splits; weight changes also reflect price moves. A 13F shows long US-listed positions only, up to 135 days after the fact.

SeaBridge Investment Advisors LLC 13F holdings
Stock	% of 13F value	Q1 2026	Shares	Share change	Reported value
TSMTaiwan Semiconductor Manufac	4.4%	3.6%	63,532	-0.0%	$30.3M
AAPLApple Inc	3.7%	3.7%	89,073	+2.7%	$25.8M
VMBSVmbs	3.4%	3.6%	499,622	+10.6%	$23.4M
MUMicron Technology Inc	3.3%	1.1%	19,686	+0.1%	$22.7M
GOOGLAlphabet Inc	3.3%	3.1%	63,546	-1.2%	$22.7M
IEFiShs 7-10 ys Tsy	3.2%	3.4%	233,761	+12.4%	$22.1M
JMBSJanus Detroit Str Tr	2.9%	3.2%	446,615	+6.8%	$20.1M
PFFIshares Tr	2.9%	3.1%	654,287	+9.8%	$19.9M
STXSeagate Technology Hldngs Pl	2.4%	1.4%	16,891	-22.1%	$16.3M
MSFTMicrosoft Corp	2.3%	2.6%	43,132	+2.5%	$16.1M
AMDAdvanced Micro Devices Inc	2.3%	0.9%	27,450	+0.7%	$15.9M
SPTSSpdr Series Trust	2.2%	2.4%	527,316	+6.5%	$15.3M
JAAAJanus Detroit Str Tr	2.1%	2.1%	288,801	+17.8%	$14.6M
BRK-BBerkshire Hathaway Inc Del	2.1%	2.3%	28,886	+2.9%	$14.5M
GOOGAlphabet Inc	1.7%	1.6%	32,890	-3.1%	$11.6M
ASMLAsml Hldg NV	1.6%	1.2%	5,639	+2.5%	$11.2M
JPMJpmorgan Chase & Co	1.5%	1.6%	32,167	+0.3%	$10.5M
SNDKSandisk Corp	1.4%	—	4,283	—	$9.7M
METAMeta Platforms Inc Class A	1.4%	2.0%	16,609	-19.7%	$9.4M
AMZNAmazon Com Inc Com	1.3%	1.3%	38,681	+3.3%	$9.2M
AVGOBroadcom Inc	1.3%	1.2%	24,303	+2.0%	$9.2M
DFUSDimensional ETF Trust	1.3%	1.3%	107,387	-2.6%	$8.8M
AMGNAmgen Inc Com	1.2%	1.4%	23,819	+0.6%	$8.6M
RINGIshares Msci Global Gold Miners ETF	1.2%	1.7%	132,121	+2.1%	$8.5M
IGSBIshares 1-3 Yr Credit Bond ETF	1.2%	1.3%	159,641	+12.9%	$8.4M
WPMWheaton Precious Metals	1.2%	1.6%	73,629	+2.2%	$8.3M
EBNDSpdr Series Trust	1.2%	1.3%	393,524	+8.1%	$8.2M
SPIPSpdr Series Trust	1.2%	1.3%	316,529	+10.7%	$8.1M
WCCWESCO International Inc	1.1%	1.0%	22,461	+1.9%	$7.8M
LLYLilly Eli & Co	1.1%	—	6,352	—	$7.6M
SPOTSpotify Technology S A	1.1%	1.4%	16,587	-0.5%	$7.6M
NTRANatera Inc Com	1.0%	0.9%	26,475	+0.3%	$7.2M
PWRQuanta Svcs Inc Com	1.0%	1.1%	9,568	-22.3%	$6.9M
SAROStandardaero Inc Com	1.0%	0.7%	225,832	+48.7%	$6.8M
FERGFerguson Enterprises Inc	0.9%	1.1%	27,505	+1.5%	$6.5M
RTXRtx Corporation Com	0.9%	1.0%	31,570	+1.4%	$6.0M
NVDANvidia Corporation Com	0.8%	0.8%	26,997	+1.7%	$5.4M
TELTe Connectivity PLC	0.8%	0.9%	26,180	+0.3%	$5.3M
SPYSpdr S&p 500 ETF Tr	0.8%	0.7%	6,957	+2.2%	$5.2M
IVVIshares Core S&p 500 ETF	0.8%	0.8%	6,931	-2.1%	$5.2M
NFLXNetflix Inc Total	0.7%	1.1%	71,495	+1.6%	$5.1M
WMTWalmart Inc	0.7%	0.9%	44,586	+0.3%	$5.0M
GSGoldman Sachs Group Inc	0.7%	0.7%	4,929	+2.2%	$5.0M
HDHome Depot Inc Com	0.7%	0.7%	13,903	+15.7%	$4.9M
ICLRIcon PLC	0.7%	—	26,986	—	$4.7M
PGRProgressive Corp.	0.6%	0.7%	20,046	-1.5%	$4.4M
EQTEQT Corp	0.6%	0.9%	82,138	+2.9%	$4.4M
BACBank of Amer Corp	0.6%	—	75,119	—	$4.3M
LOWLowes Cos Inc	0.6%	0.8%	19,155	+0.6%	$4.2M
SYKStryker Corporation	0.6%	0.7%	13,385	+1.3%	$4.2M

What SeaBridge Investment Advisors LLC bought and sold in Q2 2026, against Q1 2026.

New positions

Q1 2026's filing was too long to tell new positions apart.

Added to

SARO Standardaero Inc Com+48.7% shares
JAAA Janus Detroit Str Tr+17.8% shares
HD Home Depot Inc Com+15.7% shares
IGSB Ishares 1-3 Yr Credit Bond ETF+12.9% shares
IEF iShs 7-10 ys Tsy+12.4% shares
SPIP Spdr Series Trust+10.7% shares
VMBS Vmbs+10.6% shares
PFF Ishares Tr+9.8% shares

Reduced

PWR Quanta Svcs Inc Com-22.3% shares
STX Seagate Technology Hldngs Pl-22.1% shares
META Meta Platforms Inc Class A-19.7% shares

Left the top 50

Share counts compared with the Q1 2026 13F; a split also changes share counts. The latest filing lists more than 50 positions, so a position that left the top 50 may still be held.

How the holdings did against the S&P 500.

1 year: +10.4% /yr; S&P 500 +20.1%
3 years: +16.0% /yr; S&P 500 +20.4%
5 years: +8.3% /yr; S&P 500 +11.6%

A portfolio of the filer's 20 largest 13F positions, weighted by value and rebuilt each quarter on the day the filing became public. 13Fs show long US-listed positions only, so this is an estimate of the stock picks, not the fund's reported returns.

Reported 13F value by quarter.

13F value by quarter
Quarter	13F value	Positions
Q2 2026	$691.6M	188
Q1 2026	$591.1M	188
Q4 2025	$605.7M	196
Q3 2025	$616.2M	203
Q2 2025	$537.9M	196
Q1 2025	$463.0M	197
Q4 2024	$478.1M	202
Q3 2024	$408.7M	150
Q2 2024	$385.6M	149
Q1 2024	$379.3M	144
Q4 2023	$343.7M	150
Q3 2023	$303.5M	133

Questions about SeaBridge Investment Advisors LLC's portfolio

What stocks does SeaBridge Investment Advisors LLC own?

SeaBridge Investment Advisors LLC's latest 13F, for Q2 2026 and filed Jul 17, 2026, lists 188 positions worth $691.6M. The largest are Taiwan Semiconductor Manufac (TSM) at 4.4%, Apple Inc (AAPL) at 3.7%, Vmbs (VMBS) at 3.4%, Micron Technology Inc (MU) at 3.3% and Alphabet Inc (GOOGL) at 3.3%.

What did SeaBridge Investment Advisors LLC buy last quarter?

In Q2 2026, SeaBridge Investment Advisors LLC added Standardaero Inc Com (SARO) (+48.7% shares), Janus Detroit Str Tr (JAAA) (+17.8% shares) and Home Depot Inc Com (HD) (+15.7% shares), compared with its Q1 2026 filing.

What did SeaBridge Investment Advisors LLC sell last quarter?

In Q2 2026, SeaBridge Investment Advisors LLC cut from its top 50 Ishares Tr (ITB), cut from its top 50 Alibaba Group Hldg Ltd (BABA), cut from its top 50 Antero Resources Corp (AR), cut from its top 50 Cnx Res Corp (CNX), Quanta Svcs Inc Com (PWR) (-22.3% shares), Seagate Technology Hldngs Pl (STX) (-22.1% shares) and Meta Platforms Inc Class A (META) (-19.7% shares), compared with its Q1 2026 filing.

How has SeaBridge Investment Advisors LLC's portfolio performed?

A portfolio copying SeaBridge Investment Advisors LLC's 20 largest 13F holdings each quarter, from the day each filing was public, returned +16.0% a year over the last 3 years, against +20.4% for the S&P 500. Over 1 year: +10.4% against +20.1%. Over 5 years: +8.3% a year against +11.6%.

When is SeaBridge Investment Advisors LLC's next 13F filing due?

13F filings are due 45 days after each quarter ends. SeaBridge Investment Advisors LLC's filing for the quarter ending Sep 30, 2026 is due by Nov 14, 2026; this page updates the day after it is published.

How much money does SeaBridge Investment Advisors LLC manage?

SeaBridge Investment Advisors LLC reported $771.2M of regulatory assets under management on its latest SEC Form ADV. Its 13F, which covers only US-listed stocks and options, totals $691.6M.