SeaBridge Investment Advisors
SeaBridge Investment Advisors reported 259 stocks worth $740M in its 13F filing for Q3 2026, filed Oct 30, 2026. Its largest holdings are AAPL (4.1%), TSM (4.0%) and MSFT (3.6%). Compared with Q2 2026, the fund opened new positions in SAP, ELV and DGRO, added to AAPL, TSM and MSFT, trimmed MU, AMD and STX and sold out of SYK, CCJ and FLBR.
Holdings
| # | Stock | Value | Weight | Shares | Change | Shares, 8 qtrs | Held |
|---|---|---|---|---|---|---|---|
| 1 |  AAPL Apple Inc | $30.7M | 4.1% | 92K | +3,008 (+3%) | 8 of 8 | |
| 2 |  TSM Taiwan Semiconductor Mfg Ltd | $29.3M | 4.0% | 64K | +627 (+1%) | 8 of 8 | |
| 3 |  MSFT Microsoft Corp | $26.5M | 3.6% | 52K | +8,581 (+20%) | 8 of 8 | |
| 4 |  VMBS Vanguard Scottsdale Fds | $23.1M | 3.1% | 521K | +21K (+4%) | 8 of 8 | |
| 5 |  GOOGL Alphabet Inc | $22.1M | 3.0% | 64K | +541 (+1%) | 8 of 8 | |
| 6 |  MU Micron Technology Inc | $20.1M | 2.7% | 19K | −777 (−4%) | 8 of 8 | |
| 7 |  PFF Ishares TR | $19.9M | 2.7% | 676K | +22K (+3%) | 8 of 8 | |
| 8 |  AMD Advanced Micro Devices Inc | $16.3M | 2.2% | 27K | −770 (−3%) | 8 of 8 | |
| 9 |  BRK.B Berkshire Hathaway Inc Del | $15.8M | 2.1% | 32K | +2,899 (+10%) | 8 of 8 | |
| 10 |  JAAA Janus Detroit Str TR | $15.8M | 2.1% | 313K | +24K (+8%) | 7 of 8 |
Positions at Sep 30, 2026, as reported. Change is against the fund's Q2 2026 filing; weight is the share of the fund's reported stocks.
Sold out
held in Q2 2026, gone in Q3 2026| Stock | Value last quarter | Shares sold |
|---|---|---|
 SYK Stryker Corporation | $4.2M | 13K |
 CCJ Cameco Corp F | $3.4M | 33K |
 FLBR Franklin Templeton ETF TR | $2.9M | 135K |
 XOM Exxon Mobil Corp | $920K | 6,726 |
 UEC Uranium Energy Corp | $757K | 71K |
🔒 Free account: see all 12.
Reported value
last 8 quartersThe value of the US stocks the fund reported, at quarter end prices. It moves with the market as well as with buying and selling.
Filings for Q3 2026
straight from the SEC| Filed | Form | Quarter | |
|---|---|---|---|
| Oct 30, 2026 | 13F-HR | Q3 2026 | SEC filing ↗ |
Other superinvestors
All hedge fund holdings →SeaBridge Investment Advisors 13F FAQ
What does SeaBridge Investment Advisors own?
SeaBridge Investment Advisors reported 259 stocks worth $740M in its 13F filing for Q3 2026, filed Oct 30, 2026. Its largest holdings are AAPL (4.1%), TSM (4.0%) and MSFT (3.6%). The table above lists every position in the filing (the top 10 without an account).
What did SeaBridge Investment Advisors buy and sell in Q3 2026?
Compared with Q2 2026: 83 new positions, 103 added to, 45 trimmed and 12 sold out. New positions include SAP, ELV and DGRO. It sold all of SYK, CCJ and FLBR.
When will SeaBridge Investment Advisors file its next 13F?
Holdings as of Dec 31, 2026 are due by Feb 15, 2027. The filing appears on this page within minutes of reaching the SEC.
How much is SeaBridge Investment Advisors's portfolio worth?
The Q3 2026 filing reports $740M in US stocks. That leaves out cash, bonds, short positions and most foreign holdings, so the fund's total assets are usually larger.
For informational and educational purposes only. Not investment advice, and not a recommendation to buy or sell any security. Holdings come from the fund's SEC Form 13F filings as reported and show positions at the end of the quarter, up to 45 days before the filing. The fund may have changed its positions since. A 13F leaves out short positions, cash, bonds and most foreign holdings. See all hedge fund holdings.