13F GuideFiling Basics
What is SEC Form 13F? Ultimate Guide to Institutional Equity Filings
Learn how SEC Form 13F filings work, the $100M threshold, 45-day reporting lag, and how to track top hedge fund holdings.
AlphaSMO Research GuideRead Guide
CIK: 0001304229
Total reported value
$691.6M
$691.6M
188 檔
15.0%
According to the latest 13F quarterly dataset, SeaBridge Investment Advisors LLC managed an equity portfolio of $691.6M at the end of Q1 2026, spanning 188 distinct U.S. exchange-listed positions.
In Q1 2026, SeaBridge Investment Advisors LLC adopted a defensive or profit-taking posture, trimming 69 positions and completely liquidating 23 holdings to manage risk exposure.
| # | Ticker | Issuer | Asset Subclass | Weight | Weight Change | Shares Change | 4Q Trend |
|---|---|---|---|---|---|---|---|
| 1 | AAPL | Apple Inc | Stock-Tech | 3.72% | +0.01% | +7.17% | |
| 2 | TSM | Taiwan Semiconductor-sp Adr | Stock-Tech | 3.63% | +0.76% | -11.03% | |
| 3 | VMBS | Vanguard Mortgage-backed Sec | ETF-Other | 3.59% | -0.21% | +2.25% | |
| 4 | IEF | Ishares 7-10 Year Treasury B | ETF-Gov Bonds | 3.36% | -0.16% | +0.57% | |
| 5 | JMBS | Janus Henderson Mortg Backed | ETF-Other | 3.20% | -0.29% | +0.92% | |
| 6 | GOOGL | Alphabet Inc-cl A | Stock-Comm Services | 3.13% | +0.15% | +9.58% | |
| 7 | PFF | Ishares Preferred & Income S | ETF-Other | 3.06% | -0.18% | +15.07% | |
| 8 | MSFT | Microsoft CORP | Stock-Tech | 2.64% | -0.31% | +11.07% | |
| 9 | SPTS | Ss Spdr P St Term Tsy ETF | ETF-Other | 2.44% | -0.23% | -2.82% | |
| 10 | BRK-B | Berkshire Hathaway Inc-cl B | Stock-Other | 2.28% | -0.19% | +13.44% | |
| 11 | JAAA | Janus Henderson Aaa Clo ETF | ETF-Other | 2.09% | +0.02% | +8.95% | |
| 12 | META | Meta Platforms Inc-class A | Stock-Comm Services | 2.00% | -0.65% | +17.71% | |
| 13 | RING | Ishares Msci Global Gold Min | ETF-Commodities | 1.73% | -0.50% | +8.52% | |
| 14 | GOOG | Alphabet Inc-cl C | Stock-Comm Services | 1.65% | +0.03% | -5.09% | |
| 15 | WPM | Wheaton Precious Metals CORP | Stock-Materials | 1.60% | -0.40% | -4.15% | |
| 16 | JPM | Jpmorgan Chase & Co | Stock-Financials | 1.60% | -0.08% | +12.48% | |
| 17 | STX | Seagate Technology Holdings plc | Stock-Tech | 1.44% | +0.92% | -11.94% | |
| 18 | AMGN | Amgen Inc | Stock-Healthcare | 1.41% | -0.16% | +19.90% | |
| 19 | SPOT | Spotify Technology S.A. | Stock-Comm Services | 1.37% | -0.27% | +7.30% | |
| 20 | DFUS | Dimensional US Eq Mkt ETF | ETF-Other | 1.32% | -0.05% | -0.31% | |
| 21 | AMZN | Amazon.com Inc | Stock-Consumer Disc | 1.32% | +0.01% | -3.78% | |
| 22 | EBND | State Street Spdr Bloomberg | ETF-Other | 1.27% | -0.08% | +16.43% | |
| 23 | SPIP | Ss Spdr P Tips ETF | ETF-Other | 1.26% | -0.08% | +1.64% | |
| 24 | IGSB | Ishares 1-5y Inv Grade CORP | ETF-Other | 1.26% | -0.05% | +1.50% | |
| 25 | AVGO | Broadcom Inc | Stock-Tech | 1.25% | +0.08% | -13.28% | |
| 26 | ASML | ASML Holding N.V. | Stock-Tech | 1.23% | +0.39% | -0.24% | |
| 27 | NFLX | Netflix Inc | Stock-Comm Services | 1.14% | -0.40% | +36.55% | |
| 28 | PWR | Quanta Services Inc | Stock-Industrials | 1.14% | -0.14% | +23.90% | |
| 29 | MU | Micron Technology Inc | Stock-Tech | 1.12% | +2.17% | +22.64% | |
| 30 | FERG | Ferguson Enterprises Inc | Stock-Industrials | 1.07% | -0.13% | +16.91% | |
| 31 | WCC | Wesco International Inc | Stock-Industrials | 1.02% | +0.10% | +20.34% | |
| 32 | RTX | Rtx CORP | Stock-Industrials | 1.02% | -0.15% | +22.45% | |
| 33 | ITB | Ishares U.s. Home Constructi | ETF-Other | 0.98% | -0.94% | +1658.16% | |
| 34 | AMD | Advanced Micro Devices | Stock-Tech | 0.94% | +1.37% | +22.86% | |
| 35 | WMT | Walmart Inc | Stock-Consumer Staples | 0.93% | -0.20% | +18.04% | |
| 36 | TEL | TE Connectivity plc | Stock-Tech | 0.92% | -0.16% | +12.49% | |
| 37 | NTRA | Natera Inc | Stock-Healthcare | 0.89% | +0.15% | +21.14% | |
| 38 | EQT | Eqt CORP | Stock-Energy | 0.86% | -0.23% | +27.44% | |
| 39 | BABA | Alibaba Group Holding-sp Adr | Stock-Consumer Disc | 0.82% | -0.29% | +18.55% | |
| 40 | NVDA | Nvidia CORP | Stock-Tech | 0.78% | — | +2.97% | |
| 41 | IVV | Ishares Core S&p 500 ETF | ETF-Large Cap & Growth | 0.78% | -0.03% | +2.11% | |
| 42 | LOW | Lowe's Cos Inc | Stock-Consumer Disc | 0.76% | -0.15% | +21.67% | |
| 43 | SPY | Ss Spdr S&p 500 ETF Trust-us | ETF-Large Cap & Growth | 0.75% | — | +2.24% | |
| 44 | SYK | Stryker CORP | Stock-Healthcare | 0.73% | -0.12% | +67.55% | |
| 45 | AR | Antero Resources CORP | Stock-Energy | 0.72% | -0.20% | +37.27% | |
| 46 | GS | Goldman Sachs Group Inc | Stock-Financials | 0.69% | +0.03% | +566.80% | |
| 47 | PGR | Progressive CORP | Stock-Financials | 0.68% | -0.05% | — | |
| 48 | HD | Home Depot Inc | Stock-Consumer Disc | 0.67% | +0.04% | -2.07% | |
| 49 | SARO | Standardaero Inc | Stock-Other | 0.66% | +0.32% | +161.63% | |
| 50 | CNX | Cnx Resources CORP | Stock-Energy | 0.66% | -0.15% | +33.88% |
| # | Ticker | Issuer | Weight Change | Shares Change | Action |
|---|---|---|---|---|---|
| 1 | ITB | Ishares U.s. Home Constructi | +0.9% | +1658.16% | Add |
| 2 | GS | Goldman Sachs Group Inc | +0.6% | +566.80% | Add |
| 3 | PWR | Quanta Services Inc | +0.5% | +23.90% | Add |
| 4 | PFF | Ishares Preferred & Income S | +0.4% | +15.07% | Add |
| 5 | SARO | Standardaero Inc | +0.4% | +161.63% | Add |
| 6 | MU | Micron Technology Inc | +0.4% | +22.64% | Add |
| 7 | NFLX | Netflix Inc | +0.3% | +36.55% | Add |
| 8 | AMGN | Amgen Inc | +0.3% | +19.90% | Add |
| 9 | STX | Seagate Technology Holdings plc | +0.3% | -11.94% | Trim |
| 10 | AR | Antero Resources CORP | +0.3% | +37.27% | Add |
| 11 | EQT | Eqt CORP | +0.3% | +27.44% | Add |
| 12 | WCC | Wesco International Inc | +0.3% | +20.34% | Add |
| 13 | RING | Ishares Msci Global Gold Min | +0.3% | +8.52% | Add |
| 14 | SYK | Stryker CORP | +0.3% | +67.55% | Add |
| 15 | ASML | ASML Holding N.V. | +0.3% | -0.24% | Trim |
| 16 | RTX | Rtx CORP | +0.3% | +22.45% | Add |
| 17 | SNDK | Sandisk CORP | +0.2% | -26.93% | Trim |
| 18 | WMT | Walmart Inc | +0.2% | +18.04% | Add |
| 19 | BRK-B | Berkshire Hathaway Inc-cl B | +0.2% | +13.44% | Add |
| 20 | FERG | Ferguson Enterprises Inc | +0.2% | +16.91% | Add |
| 21 | JAAA | Janus Henderson Aaa Clo ETF | +0.2% | +8.95% | Add |
| 22 | CNX | Cnx Resources CORP | +0.2% | +33.88% | Add |
| 23 | MTD | Mettler-toledo International | +0.2% | +60.26% | Add |
| 24 | EBND | State Street Spdr Bloomberg | +0.2% | +16.43% | Add |
| 25 | CF | Cf Industries Holdings Inc | +0.2% | -0.15% | Trim |
| 26 | AMD | Advanced Micro Devices | +0.2% | +22.86% | Add |
| 27 | VMBS | Vanguard Mortgage-backed Sec | +0.2% | +2.25% | Add |
| 28 | LOW | Lowe's Cos Inc | +0.1% | +21.67% | Add |
| 29 | WPM | Wheaton Precious Metals CORP | +0.1% | -4.15% | Trim |
| 30 | NVR | Nvr Inc | +0.1% | +36.73% | Add |
| 31 | AM | Antero Midstream CORP | +0.1% | -3.58% | Trim |
| 32 | GOOGL | Alphabet Inc-cl A | +0.1% | +9.58% | Add |
| 33 | AAPL | Apple Inc | +0.1% | +7.17% | Add |
| 34 | XOM | Exxon Mobil CORP | +0.1% | +7.51% | Add |
| 35 | JPM | Jpmorgan Chase & Co | +0.1% | +12.48% | Add |
| 36 | META | Meta Platforms Inc-class A | +0.1% | +17.71% | Add |
| 37 | JMBS | Janus Henderson Mortg Backed | +0.1% | +0.92% | Add |
| 38 | IEF | Ishares 7-10 Year Treasury B | +0.1% | +0.57% | Add |
| 39 | ETN | Eaton Corporation plc | +0.1% | +117.29% | Add |
| 40 | BE | Bloom Energy Corp- A | +0.1% | — | Unchanged |
| 41 | NVT | nVent Electric plc | +0.1% | -0.08% | Trim |
| 42 | NTRA | Natera Inc | +0.1% | +21.14% | Add |
| 43 | COST | Costco Wholesale CORP | +0.1% | -0.45% | Trim |
| 44 | ITT | Itt Inc | +0.1% | -0.08% | Trim |
| 45 | SPIP | Ss Spdr P Tips ETF | +0.1% | +1.64% | Add |
| 46 | HUBB | Hubbell Inc | +0.1% | — | Unchanged |
| 47 | TSM | Taiwan Semiconductor-sp Adr | +0.1% | -11.03% | Trim |
| 48 | TEL | TE Connectivity plc | +0.1% | +12.49% | Add |
| 49 | CVX | Chevron CORP | 0% | +2.22% | Add |
| 50 | EWY | Ishares Msci South Korea ETF | 0% | -0.48% | Trim |
According to official SEC Form 13F filings, SeaBridge Investment Advisors LLC reported a total U.S. public equity portfolio value of $691.6M across 188 disclosed positions in Q1 2026.
Expert Analysis & Guides for Tracking Wall Street Smart Money Movements
Learn how SEC Form 13F filings work, the $100M threshold, 45-day reporting lag, and how to track top hedge fund holdings.
In terms of portfolio concentration, the top 5 core holdings (including AAPL, TSM, VMBS) accounted for 15.0% of total reported equity market value during Q1 2026.
Top New Position Initiated
PGR
市值: $4.0M
Top Position Liquidated / Trimmed
IVW
前期市值: $7.3M
During Q1 2026, SeaBridge Investment Advisors LLC's top holdings by market value included AAPL (3.7%)、TSM (3.6%)、VMBS (3.6%). The largest single position, AAPL, represented 3.7% of total portfolio value.
In Q1 2026, SeaBridge Investment Advisors LLC made 161 total portfolio adjustments, initiating 15 new buys, adding to 54 positions, trimming 69 holdings, and fully liquidating 23 stocks.
All holding records on this page are fetched directly from the U.S. Securities and Exchange Commission (SEC) EDGAR system (Form 13F-HR). AlphaSMO parses CUSIP identifiers and formats data into Schema.org-compliant datasets.
Understand SEC Form 4 insider disclosures for corporate officers, directors, and 10% owners to track executive transactions.
Understand Rule 144 restricted stock sale notices to spot planned insider liquidations before market sell pressure arrives.
Explore the 5% beneficial ownership threshold, 13D vs 13G filing differences, and recent SEC accelerated deadline rules.
Best practices for analyzing 13F quarterly changes without getting misled by stock splits, options, or market valuation drift.
Learn how AlphaSMO's flagship signal detects high-conviction stocks where 13F hedge funds and corporate insiders buy at the same time.