SeaBridge Investment Advisors LLC
In its 13F for Q2 2026 (holdings as of June 30, 2026, filed July 17, 2026), SeaBridge Investment Advisors LLC reported 188 stock positions worth $691.6 million. Its top holding was Taiwan Semiconductor-SP ADR (TSM) at 4.4% of the portfolio, followed by Apple (AAPL, 3.7%) and Vanguard Mortgage-Backed Sec (VMBS, 3.4%). Compared with Q1 2026, it opened 15 new positions, sold out of 15, added to 76 and reduced 57. The biggest buy was Micron Technology (MU, shares +0%) and the biggest sale iShares U.S. Home Constructi (ITB, shares −96%).
- Most Recent 13F
- Q2 2026
- Location
- SUMMIT, NJ
- CIK
- 0001304229
- Portfolio Value
- $691.6M (Q2 2026)
- SEC Filing
- 0001304229-26-000004 ↗ filed Jul 17, 2026
Holdings Value
Holdings 188 stocks · $691.6M
| TSM Taiwan Semiconductor-SP ADR | 4.39% | 63,532 | $30.3M | Reduce -0.0% |
| AAPL Apple Inc. | 3.73% | 89,073 | $25.8M | Add +2.7% |
| VMBS Vanguard Mortgage-Backed Sec | 3.38% | 499,622 | $23.4M | Add +10.6% |
| MU Micron Technology Inc. | 3.29% | 19,686 | $22.7M | Add +0.1% |
| GOOGL Alphabet Inc. Class A | 3.28% | 63,546 | $22.7M | Reduce -1.2% |
| IEF iShares 7-10 Year Treasury B | 3.20% | 233,761 | $22.1M | Add +12.4% |
| JMBS Janus Henderson Mortg Backed | 2.91% | 446,615 | $20.1M | Add +6.8% |
| PFF iShares Preferred & Income S | 2.88% | 654,287 | $19.9M | Add +9.8% |
| STX Seagate Technology Holdings | 2.36% | 16,891 | $16.3M | Reduce -22.1% |
| MSFT Microsoft Corp. | 2.33% | 43,132 | $16.1M | Add +2.5% |
| AMD Advanced Micro Devices | 2.31% | 27,450 | $15.9M | Add +0.7% |
| SPTS SS SPDR P St Term TSY ETF | 2.21% | 527,316 | $15.3M | Add +6.5% |
| JAAA Janus Henderson Aaa Clo ETF | 2.11% | 288,801 | $14.6M | Add +17.8% |
| BRK.B Berkshire Hathaway Inc. Class B | 2.09% | 28,886 | $14.5M | Add +2.9% |
| GOOG Alphabet Inc. Class C | 1.68% | 32,890 | $11.6M | Reduce -3.0% |
| ASML ASML Holding NV-NY Reg SHS filed as ASML HLDG NV | 1.62% | 5,639 | $11.2M | Add +2.5% |
| JPM JPMorgan Chase & Co. | 1.52% | 32,167 | $10.5M | Add +0.3% |
| SNDK Sandisk Corp. | 1.41% | 4,283 | $9.7M | Reduce -2.2% |
| META Meta Platforms Inc. Class A | 1.35% | 16,609 | $9.4M | Reduce -19.7% |
| AMZN Amazon.com Inc. | 1.33% | 38,681 | $9.2M | Add +3.3% |
| AVGO Broadcom Inc. | 1.33% | 24,303 | $9.2M | Add +2.0% |
| DFUS Dimensional US Eq MKT ETF | 1.27% | 107,387 | $8.8M | Reduce -2.6% |
| AMGN Amgen Inc. | 1.25% | 23,819 | $8.6M | Add +0.6% |
| RING iShares MSCI Global Gold Min | 1.23% | 132,121 | $8.5M | Add +2.1% |
| IGSB iShares 1-5Y Inv Grade Corp. | 1.21% | 159,641 | $8.4M | Add +12.9% |
| WPM Wheaton Precious Metals Corp. | 1.20% | 73,629 | $8.3M | Add +2.2% |
| EBND State Street SPDR Bloomberg | 1.19% | 393,524 | $8.2M | Add +8.1% |
| SPIP SS SPDR P Tips ETF | 1.18% | 316,529 | $8.1M | Add +10.8% |
| WCC Wesco International Inc. | 1.12% | 22,461 | $7.8M | Add +1.9% |
| LLY Eli Lilly & Co. | 1.10% | 6,352 | $7.6M | Add +2698.2% |
| SPOT Spotify Technology SA | 1.10% | 16,587 | $7.6M | Reduce -0.5% |
| NTRA Natera Inc. | 1.04% | 26,475 | $7.2M | Add +0.3% |
| PWR Quanta Services Inc. | 1.00% | 9,568 | $6.9M | Reduce -22.3% |
| SARO Standardaero Inc. | 0.98% | 225,832 | $6.8M | Add +48.7% |
| FERG Ferguson Enterprises Inc. | 0.94% | 27,505 | $6.5M | Add +1.5% |
| RTX RTX Corp. | 0.87% | 31,570 | $6.0M | Add +1.4% |
| NVDA Nvidia Corp. | 0.78% | 26,997 | $5.4M | Add +1.7% |
| TEL Te Connectivity PLC | 0.76% | 26,180 | $5.3M | Add +0.3% |
| SPY SS SPDR S&P 500 ETF Trust-US | 0.75% | 6,957 | $5.2M | Add +2.3% |
| IVV iShares Core S&P 500 ETF | 0.75% | 6,931 | $5.2M | Reduce -2.1% |
| NFLX Netflix Inc. | 0.74% | 71,495 | $5.1M | Add +1.6% |
| WMT Walmart Inc. | 0.73% | 44,586 | $5.0M | Add +0.3% |
| GS Goldman Sachs Group Inc. | 0.72% | 4,929 | $5.0M | Add +2.2% |
| HD Home Depot Inc. | 0.71% | 13,903 | $4.9M | Add +15.7% |
| ICLR Icon PLC filed as ICON PUB LTD CO | 0.68% | 26,986 | $4.7M | Add +4.2% |
| PGR Progressive Corp. | 0.63% | 20,046 | $4.4M | Reduce -1.6% |
| EQT Eqt Corp. | 0.63% | 82,138 | $4.4M | Add +2.9% |
| BAC Bank of America Corp. | 0.62% | 75,119 | $4.3M | Reduce -3.0% |
| LOW Lowe's Cos Inc. | 0.61% | 19,155 | $4.2M | Add +0.7% |
| SYK Stryker Corp. | 0.61% | 13,385 | $4.2M | Add +1.3% |
| NVR NVR Inc. | 0.59% | 600 | $4.1M | Add +4.0% |
| MS Morgan Stanley | 0.58% | 19,296 | $4.0M | Add +28.7% |
| BABA Alibaba Group Holding-SP ADR | 0.53% | 38,081 | $3.7M | Reduce -0.9% |
| AR Antero Resources Corp. | 0.52% | 102,484 | $3.6M | Add +2.6% |
| BKNG Booking Holdings Inc. | 0.52% | 20,073 | $3.6M | Add +2.1% |
| MTD Mettler-Toledo International | 0.51% | 2,773 | $3.5M | Reduce -1.1% |
| CNX CNX Resources Corp. | 0.51% | 104,081 | $3.5M | Add +3.0% |
| NVT Nvent Electric PLC | 0.51% | 20,744 | $3.5M | No change |
| MA Mastercard Inc. Class A | 0.51% | 6,826 | $3.5M | Add +1.6% |
| CCJ Cameco Corp. | 0.49% | 33,194 | $3.4M | Reduce -0.3% |
| INTC Intel Corp. | 0.46% | 22,537 | $3.1M | Add +13.6% |
| ITT Itt Inc. | 0.43% | 15,080 | $3.0M | No change |
| ICE Intercontinental Exchange Inc. | 0.43% | 23,926 | $2.9M | Reduce -1.0% |
| FLBR Franklin Ftse Brazil ETF | 0.42% | 135,397 | $2.9M | Add +26.9% |
| ALAB Astera Labs Inc. | 0.40% | 5,761 | $2.8M | Reduce -4.2% |
| AM Antero Midstream Corp. | 0.39% | 118,372 | $2.7M | Reduce -2.1% |
| HUBB Hubbell Inc. | 0.38% | 5,007 | $2.6M | No change |
| IJH iShares Core S&P Midcap ETF | 0.37% | 33,000 | $2.5M | No change |
| VOO Vanguard S&P 500 ETF | 0.37% | 3,693 | $2.5M | Reduce -16.6% |
| SSD Simpson Manufacturing Co. Inc. | 0.35% | 11,688 | $2.4M | Reduce -7.5% |
| COST Costco Wholesale Corp. | 0.33% | 2,461 | $2.3M | Add +0.5% |
| IJR iShares Core S&P Small-Cap E | 0.31% | 14,491 | $2.1M | No change |
| TXN Texas Instruments Inc. | 0.31% | 7,122 | $2.1M | Add +9.2% |
| DE Deere & Co. | 0.30% | 3,260 | $2.1M | Reduce -0.3% |
| VTI VG Morningstar TS MKT ETF-US | 0.30% | 5,582 | $2.1M | Reduce -30.2% |
| RPM RPM International Inc. | 0.29% | 18,184 | $2.0M | Reduce -9.6% |
| BE Bloom Energy Corp. Class A | 0.28% | 6,333 | $1.9M | Reduce -19.4% |
| CF CF Industries Holdings Inc. | 0.28% | 17,684 | $1.9M | No change |
| PSTL Postal Realty Trust Inc. Class A | 0.26% | 72,383 | $1.8M | New |
| TMO Thermo Fisher Scientific Inc. | 0.25% | 3,493 | $1.8M | Reduce -40.3% |
| EWY iShares MSCI South Korea ETF | 0.25% | 8,619 | $1.7M | Add +0.9% |
| DFAC Dimensional US Core Equity 2 | 0.24% | 37,709 | $1.7M | Add +0.2% |
| CAT Caterpillar Inc. | 0.24% | 1,565 | $1.7M | No change |
| XLK SS Technology Select Sector | 0.24% | 8,720 | $1.7M | Reduce -22.2% |
| RF Regions Financial Corp. | 0.24% | 54,647 | $1.7M | Reduce -12.3% |
| IBM Intl Business Machines Corp. filed as INTERNATIONAL BUSINESS MACHS | 0.23% | 5,642 | $1.6M | Add +13.7% |
| JNJ Johnson & Johnson | 0.23% | 6,153 | $1.6M | Add +11.4% |
| IWR iShares Russell Mid-Cap ETF | 0.22% | 14,001 | $1.5M | No change |
| IEFA iShares Core MSCI Eafe ETF | 0.22% | 15,923 | $1.5M | Add +0.9% |
| QQQ Invesco QQQ Trust Series 1 | 0.22% | 2,027 | $1.5M | Reduce -27.6% |
| WFC Wells Fargo & Co. | 0.21% | 17,346 | $1.4M | No change |
| ADP Automatic Data Processing | 0.21% | 6,400 | $1.4M | Add +8.5% |
| KLAC KLA Corp. | 0.20% | 4,630 | $1.4M | Add +0.9% |
| SMH Vaneck Semiconductor ETF | 0.20% | 2,097 | $1.4M | Reduce -5.1% |
| GPN Global Payments Inc. | 0.20% | 18,748 | $1.4M | No change |
| ALL Allstate Corp. | 0.19% | 5,462 | $1.3M | No change |
| EPD Enterprise Products Partners | 0.18% | 34,610 | $1.3M | Reduce -2.8% |
| AIG American International Group | 0.17% | 15,825 | $1.2M | Reduce -8.9% |
| VGSH Vanguard Short-Term Treasury | 0.16% | 19,558 | $1.1M | Add +16.1% |
| ETN Eaton Corp. PLC | 0.16% | 2,523 | $1.1M | Add +31.2% |
Portfolio Sells Q1 2026 → Q2 2026
| ITB iShares U.S. Home Constructi | Reduce -96.2% | 0.04% | −0.95 |
| META Meta Platforms Inc. Class A | Reduce -19.7% | 1.35% | −0.65 |
| GDXJ Vaneck Junior Gold Miners | Sold out | 0.00% | −0.51 |
| BABA Alibaba Group Holding-SP ADR | Reduce -0.9% | 0.53% | −0.29 |
| SPOT Spotify Technology SA | Reduce -0.5% | 1.10% | −0.27 |
| TMO Thermo Fisher Scientific Inc. | Reduce -40.3% | 0.25% | −0.23 |
| ICE Intercontinental Exchange Inc. | Reduce -1.0% | 0.43% | −0.22 |
| UEC Uranium Energy Corp. | Reduce -46.0% | 0.11% | −0.19 |
| PWR Quanta Services Inc. | Reduce -22.3% | 1.00% | −0.15 |
| VTI VG Morningstar TS MKT ETF-US | Reduce -30.2% | 0.30% | −0.14 |
| EFA iShares MSCI Eafe ETF | Sold out | 0.00% | −0.13 |
| CCJ Cameco Corp. | Reduce -0.3% | 0.49% | −0.12 |
| SHY iShares 1-3 Year Treasury Bo | Reduce -37.8% | 0.13% | −0.11 |
| RSP Invesco S&P 500 Equal Weight | Reduce -43.1% | 0.10% | −0.09 |
| MTD Mettler-Toledo International | Reduce -1.1% | 0.51% | −0.09 |
| VOO Vanguard S&P 500 ETF | Reduce -16.6% | 0.37% | −0.08 |
| AM Antero Midstream Corp. | Reduce -2.1% | 0.39% | −0.08 |
| XOM Exxon Mobil Corp. | Reduce -5.9% | 0.13% | −0.07 |
| ITA iShares U.S. Aerospace & Def | Reduce -36.9% | 0.10% | −0.06 |
| AGI Alamos Gold Inc. Class A | Reduce -0.5% | 0.09% | −0.06 |
| QQQ Invesco QQQ Trust Series 1 | Reduce -27.6% | 0.22% | −0.06 |
| DFUS Dimensional US Eq MKT ETF | Reduce -2.6% | 1.27% | −0.05 |
| AIG American International Group | Reduce -8.9% | 0.17% | −0.05 |
| PGR Progressive Corp. | Reduce -1.6% | 0.63% | −0.05 |
| TYL Tyler Technologies Inc. | Reduce -0.3% | 0.13% | −0.05 |
| RPM RPM International Inc. | Reduce -9.6% | 0.29% | −0.05 |
| KBE SS SPDR S&P Bank ETF | Sold out | 0.00% | −0.04 |
| XLV SS Health Care Select Sector | Reduce -25.7% | 0.10% | −0.04 |
| EPD Enterprise Products Partners | Reduce -2.8% | 0.18% | −0.04 |
| FNLC First Bancorp Inc. | Sold out | 0.00% | −0.04 |
| XLE SS Energy Select Sector | Reduce -9.9% | 0.09% | −0.04 |
| PSQ Proshares Short QQQ | Sold out | 0.00% | −0.04 |
| VCIT Vanguard Int-Term Corporate | Sold out | 0.00% | −0.04 |
| XLF SS Financial Select Sector | Sold out | 0.00% | −0.04 |
| RF Regions Financial Corp. | Reduce -12.3% | 0.24% | −0.04 |
| ET Energy Transfer LP | Sold out | 0.00% | −0.04 |
| GDX Vaneck Gold Miners ETF | Sold out | 0.00% | −0.04 |
| TMUS T-Mobile US Inc. | Sold out | 0.00% | −0.04 |
| GLD SPDR Gold Shares | Sold out | 0.00% | −0.04 |
| GFI Gold Fields Ltd.-Spons ADR | Sold out | 0.00% | −0.03 |
| OR Or Royalties Inc. | Reduce -0.6% | 0.08% | −0.03 |
| XHB SS SPDR S&P Homebldrs ETF | Sold out | 0.00% | −0.03 |
| UBER Uber Technologies Inc. | Sold out | 0.00% | −0.03 |
| HHH Howard Hughes Holdings Inc. | Sold out | 0.00% | −0.03 |
| XOP SS SPDR S&P Og Exp & Prod | Reduce -29.0% | 0.04% | −0.03 |
| IVV iShares Core S&P 500 ETF | Reduce -2.1% | 0.75% | −0.03 |
| TPR Tapestry Inc. | Reduce -39.7% | 0.04% | −0.03 |
| LEN Lennar Corp. Class A | Reduce -14.6% | 0.10% | −0.03 |
| VWO Vanguard Ftse Emerging Marke | Reduce -24.8% | 0.07% | −0.03 |
| BAC Bank of America Corp. | Reduce -3.0% | 0.62% | −0.02 |
Portfolio Buys Q1 2026 → Q2 2026
| MU Micron Technology Inc. | Add +0.1% | 3.29% | +2.16 |
| AMD Advanced Micro Devices | Add +0.7% | 2.31% | +1.37 |
| LLY Eli Lilly & Co. | Add +2698.2% | 1.10% | +1.07 |
| ASML ASML Holding NV-NY Reg SHS | Add +2.5% | 1.62% | +0.39 |
| SARO Standardaero Inc. | Add +48.7% | 0.98% | +0.31 |
| INTC Intel Corp. | Add +13.6% | 0.46% | +0.31 |
| PSTL Postal Realty Trust Inc. Class A | New | 0.26% | +0.26 |
| ICLR Icon PLC | Add +4.2% | 0.68% | +0.19 |
| MS Morgan Stanley | Add +28.7% | 0.58% | +0.17 |
| NTRA Natera Inc. | Add +0.3% | 1.04% | +0.15 |
| SPCX Space Exploration Techn Class A | New | 0.14% | +0.14 |
| WCC Wesco International Inc. | Add +1.9% | 1.12% | +0.10 |
| TXN Texas Instruments Inc. | Add +9.2% | 0.31% | +0.09 |
| KLAC KLA Corp. | Add +0.9% | 0.20% | +0.09 |
| AVGO Broadcom Inc. | Add +2.0% | 1.33% | +0.08 |
| EWY iShares MSCI South Korea ETF | Add +0.9% | 0.25% | +0.07 |
| SPHR Sphere Entertainment Co. | New | 0.06% | +0.06 |
| IWM iShares Russell 2000 ETF | Add +57.8% | 0.15% | +0.06 |
| HPE Hewlett Packard Enterprise | New | 0.05% | +0.05 |
| NBIS Nebius Group NV | New | 0.05% | +0.05 |
| MRVL Marvell Technology Inc. | New | 0.05% | +0.05 |
| PG The Procter & Gamble Co. | New | 0.05% | +0.05 |
| LMT Lockheed Martin Corp. | New | 0.04% | +0.04 |
| EWJ iShares MSCI Japan ETF | New | 0.04% | +0.04 |
| LRCX Lam Research Corp. | Add +1.6% | 0.09% | +0.04 |
| HD Home Depot Inc. | Add +15.7% | 0.71% | +0.04 |
| ETN Eaton Corp. PLC | Add +31.2% | 0.16% | +0.04 |
| NEE Nextera Energy Inc. | Add +97.4% | 0.10% | +0.04 |
| ADI Analog Devices Inc. | New | 0.03% | +0.03 |
| SYY Sysco Corp. | New | 0.03% | +0.03 |
| BNY Bank of New York Mellon Corp. | New | 0.03% | +0.03 |
| IEMG iShares Core MSCI Emerging | New | 0.03% | +0.03 |
| A Agilent Technologies Inc. | New | 0.03% | +0.03 |
| GS Goldman Sachs Group Inc. | Add +2.2% | 0.72% | +0.03 |
| DIA SS SPDR Dow Jones Indus Avg | New | 0.03% | +0.03 |
| VGT Vanguard Info Tech ETF | Add +12.9% | 0.12% | +0.03 |
| IBM Intl Business Machines Corp. | Add +13.7% | 0.23% | +0.03 |
| CSCO Cisco Systems Inc. | Add +0.7% | 0.09% | +0.02 |
| JAAA Janus Henderson Aaa Clo ETF | Add +17.8% | 2.11% | +0.02 |
| KO The Coca-Cola Co. | Add +30.6% | 0.10% | +0.02 |
| ABBV Abbvie Inc. | Add +30.2% | 0.07% | +0.02 |
| GE General Electric | Add +1.0% | 0.13% | +0.02 |
| AMZN Amazon.com Inc. | Add +3.3% | 1.33% | +0.01 |
| GEV GE Vernova Inc. | Add +2.6% | 0.09% | +0.01 |
| MDB Mongodb Inc. | Add +6.9% | 0.06% | +0.01 |
| C Citigroup Inc. | Add +0.5% | 0.15% | +0.01 |
| GPC Genuine Parts Co. | Add +16.7% | 0.06% | +0.01 |
| ADP Automatic Data Processing | Add +8.5% | 0.21% | +0.00 |
| AAPL Apple Inc. | Add +2.7% | 3.73% | +0.00 |
| SPY SS SPDR S&P 500 ETF Trust-US | Add +2.3% | 0.75% | +0.00 |
All Filings
| Quarter | Positions | 13F Reported Value | Top Holdings |
|---|---|---|---|
| Q2 2026 | 188 | $691.6M | TSM, AAPL, VMBS, MU, GOOGL |
| Q1 2026 | 188 | $591.1M | AAPL, TSM, VMBS, IEF, JMBS |
| Q4 2025 | 196 | $605.7M | AAPL, TSM, VMBS, IEF, JMBS |
| Q3 2025 | 203 | $616.2M | IEF, VMBS, AAPL, TSM, MSFT |
| Q2 2025 | 196 | $537.9M | GOVT, MSFT, AAPL, TSM, VMBS |
| Q1 2025 | 197 | $463.0M | GOVT, AAPL, MSFT, SPTS, VMBS |
| Q4 2024 | 202 | $478.1M | SCHR, AAPL, MSFT, TSM, GOVT |
| Q3 2024 | 150 | $408.7M | AAPL, SCHR, MSFT, GOVT, TSM |
| Q2 2024 | 149 | $385.6M | MSFT, AAPL, TSM, GOVT, GOOGL |
| Q1 2024 | 144 | $379.3M | MSFT, GOVT, AAPL, TSM, GOOGL |