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SeaBridge Investment Advisors LLC

Updated 3 days ago

Managed by Seabridge Investment Advisors Llc • Latest filing Q3 2026

Portfolio value
$740.3M
Q3 2026
Filings
4
Quarterly 13F history
Top-10 concentration
100.0%
Weight of largest holdings
Annualized return
—
Implied from 13F holdings

Portfolio value history

13F-disclosed portfolio value over 4 quarters

Show data table
PeriodPortfolio value
Q4 2025$605.7M
Q1 2026$591.1M
Q2 2026$691.6M
Q3 2026$740.3M

Top holdings

259 positions as of Q3 2026

View filing
A

APPLE INC

Value
$30.7M
Shares
92.1K
% Port
4.14%
T

TAIWAN SEMICONDUCTOR MANUFAC

Value
$29.3M
Shares
64.2K
% Port
3.95%
M

MICROSOFT CORP

Value
$26.5M
Shares
51.7K
% Port
3.58%
V

VANGUARD SCOTTSDALE FDS

Value
$23.1M
Shares
520.5K
% Port
3.12%
G

ALPHABET INC

Value
$22.1M
Shares
64.1K
% Port
2.98%
M

MICRON TECHNOLOGY INC

Value
$20.1M
Shares
18.9K
% Port
2.72%
E

ISHARES TR

Value
$19.9M
Shares
675.8K
% Port
2.69%
A

ADVANCED MICRO DEVICES INC

Value
$16.3M
Shares
26.7K
% Port
2.20%
B

BERKSHIRE HATHAWAY INC DEL

Value
$15.8M
Shares
31.8K
% Port
2.14%
N

JANUS DETROIT STR TR

Value
$15.8M
Shares
312.7K
% Port
2.13%
S

SEAGATE TECHNOLOGY HLDNGS PL

Value
$15.5M
Shares
16.8K
% Port
2.10%
S

SPDR SERIES TRUST

Value
$15.3M
Shares
532.6K
% Port
2.06%
E

ISHARES TR

Value
$14.2M
Shares
158.6K
% Port
1.91%
M

META PLATFORMS INC

Value
$12.3M
Shares
17.0K
% Port
1.67%
G

ALPHABET INC

Value
$12.1M
Shares
35.5K
% Port
1.64%
J

JANUS DETROIT STR TR

Value
$11.9M
Shares
281.6K
% Port
1.61%
J

JPMORGAN CHASE & CO

Value
$11.6M
Shares
35.2K
% Port
1.57%
L

ELI LILLY & CO

Value
$11.1M
Shares
9.6K
% Port
1.50%
N

NATERA INC

Value
$10.9M
Shares
26.5K
% Port
1.48%
A

AMAZON COM INC

Value
$10.7M
Shares
42.8K
% Port
1.44%

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