SeaBridge Investment Advisors LLC
In its 13F for Q1 2026 (holdings as of March 31, 2026, filed April 29, 2026), SeaBridge Investment Advisors LLC reported 188 stock positions worth $591.1 million. Its top holding was Apple (AAPL) at 3.7% of the portfolio, followed by Taiwan Semiconductor-SP ADR (TSM, 3.6%) and Vanguard Mortgage-Backed Sec (VMBS, 3.6%). Compared with Q4 2025, it opened 15 new positions, sold out of 23, added to 54 and reduced 71. The biggest buy was iShares U.S. Home Constructi (ITB, shares +1658%) and the biggest sale Invesco S&P 500 Equal Weight (RSP, shares −92%).
- Most Recent 13F
- Q2 2026
- Location
- SUMMIT, NJ
- CIK
- 0001304229
- Portfolio Value
- $591.1M (Q1 2026)
- SEC Filing
- 0001304229-26-000003 ↗ filed Apr 29, 2026
Holdings Value
Holdings 188 stocks · $591.1M
| AAPL Apple Inc. | 3.72% | 86,702 | $22.0M | Add +7.2% |
| TSM Taiwan Semiconductor-SP ADR | 3.63% | 63,547 | $21.5M | Reduce -11.0% |
| VMBS Vanguard Mortgage-Backed Sec | 3.59% | 451,757 | $21.2M | Add +2.3% |
| IEF iShares 7-10 Year Treasury B | 3.36% | 208,041 | $19.9M | Add +0.6% |
| JMBS Janus Henderson Mortg Backed | 3.20% | 418,001 | $18.9M | Add +0.9% |
| GOOGL Alphabet Inc. Class A | 3.13% | 64,325 | $18.5M | Add +9.6% |
| PFF iShares Preferred & Income S | 3.06% | 595,897 | $18.1M | Add +15.1% |
| MSFT Microsoft Corp. | 2.64% | 42,095 | $15.6M | Add +11.1% |
| SPTS SS SPDR P St Term TSY ETF | 2.44% | 495,119 | $14.4M | Reduce -2.8% |
| BRK.B Berkshire Hathaway Inc. Class B | 2.28% | 28,069 | $13.5M | Add +13.4% |
| JAAA Janus Henderson Aaa Clo ETF | 2.09% | 245,182 | $12.3M | Add +8.9% |
| META Meta Platforms Inc. Class A | 2.00% | 20,688 | $11.8M | Add +17.7% |
| RING iShares MSCI Global Gold Min | 1.73% | 129,410 | $10.2M | Add +8.5% |
| GOOG Alphabet Inc. Class C | 1.65% | 33,925 | $9.7M | Reduce -5.1% |
| WPM Wheaton Precious Metals Corp. | 1.60% | 72,058 | $9.4M | Reduce -4.2% |
| JPM JPMorgan Chase & Co. | 1.60% | 32,075 | $9.4M | Add +12.5% |
| STX Seagate Technology Holdings | 1.44% | 21,691 | $8.5M | Reduce -11.9% |
| AMGN Amgen Inc. | 1.41% | 23,669 | $8.3M | Add +19.9% |
| SPOT Spotify Technology SA | 1.37% | 16,667 | $8.1M | Add +7.3% |
| DFUS Dimensional US Eq MKT ETF | 1.32% | 110,308 | $7.8M | Reduce -0.3% |
| AMZN Amazon.com Inc. | 1.32% | 37,444 | $7.8M | Reduce -3.8% |
| EBND State Street SPDR Bloomberg | 1.27% | 364,019 | $7.5M | Add +16.4% |
| SPIP SS SPDR P Tips ETF | 1.26% | 285,808 | $7.4M | Add +1.6% |
| IGSB iShares 1-5Y Inv Grade Corp. | 1.26% | 141,432 | $7.4M | Add +1.5% |
| AVGO Broadcom Inc. | 1.25% | 23,832 | $7.4M | Reduce -13.3% |
| ASML ASML Holding NV-NY Reg SHS filed as ASML HLDG NV | 1.23% | 5,502 | $7.3M | Reduce -0.2% |
| NFLX Netflix Inc. | 1.14% | 70,379 | $6.8M | Add +36.5% |
| PWR Quanta Services Inc. | 1.14% | 12,309 | $6.8M | Add +23.9% |
| MU Micron Technology Inc. | 1.12% | 19,657 | $6.6M | Add +22.6% |
| FERG Ferguson Enterprises Inc. | 1.07% | 27,108 | $6.3M | Add +16.9% |
| WCC Wesco International Inc. | 1.02% | 22,037 | $6.0M | Add +20.3% |
| RTX RTX Corp. | 1.02% | 31,131 | $6.0M | Add +22.4% |
| ITB iShares U.S. Home Constructi | 0.98% | 64,120 | $5.8M | Add +1658.2% |
| AMD Advanced Micro Devices | 0.94% | 27,254 | $5.5M | Add +22.9% |
| WMT Walmart Inc. | 0.93% | 44,442 | $5.5M | Add +18.0% |
| TEL Te Connectivity PLC | 0.92% | 26,094 | $5.5M | Add +12.5% |
| NTRA Natera Inc. | 0.89% | 26,384 | $5.3M | Add +21.1% |
| EQT Eqt Corp. | 0.86% | 79,847 | $5.1M | Add +27.4% |
| BABA Alibaba Group Holding-SP ADR | 0.82% | 38,424 | $4.8M | Add +18.6% |
| NVDA Nvidia Corp. | 0.78% | 26,554 | $4.6M | Add +3.0% |
| IVV iShares Core S&P 500 ETF | 0.78% | 7,077 | $4.6M | Add +2.1% |
| LOW Lowe's Cos Inc. | 0.76% | 19,032 | $4.5M | Add +21.7% |
| SPY SS SPDR S&P 500 ETF Trust-US | 0.75% | 6,804 | $4.4M | Add +2.2% |
| SYK Stryker Corp. | 0.73% | 13,216 | $4.3M | Add +67.5% |
| AR Antero Resources Corp. | 0.72% | 99,880 | $4.2M | Add +37.3% |
| GS Goldman Sachs Group Inc. | 0.69% | 4,821 | $4.1M | Add +566.8% |
| PGR Progressive Corp. | 0.68% | 20,361 | $4.0M | New |
| HD Home Depot Inc. | 0.67% | 12,013 | $4.0M | Reduce -2.1% |
| SARO Standardaero Inc. | 0.66% | 151,838 | $3.9M | Add +161.6% |
| CNX CNX Resources Corp. | 0.66% | 101,103 | $3.9M | Add +33.9% |
| NVR NVR Inc. | 0.64% | 577 | $3.8M | Add +36.7% |
| ICE Intercontinental Exchange Inc. | 0.64% | 24,158 | $3.8M | Reduce -25.4% |
| BAC Bank of America Corp. filed as BANK AMERICA CORP | 0.64% | 77,413 | $3.8M | Reduce -0.8% |
| CCJ Cameco Corp. | 0.61% | 33,286 | $3.6M | New |
| MTD Mettler-Toledo International | 0.60% | 2,803 | $3.5M | Add +60.3% |
| MA Mastercard Inc. Class A | 0.57% | 6,715 | $3.4M | Reduce -0.5% |
| BKNG Booking Holdings Inc. | 0.56% | 786 | $3.3M | Add +12.9% |
| GDXJ Vaneck Junior Gold Miners | 0.51% | 25,317 | $3.0M | Reduce -0.6% |
| TMO Thermo Fisher Scientific Inc. | 0.49% | 5,846 | $2.9M | Reduce -44.4% |
| ITT Itt Inc. | 0.49% | 15,080 | $2.9M | Reduce -0.1% |
| ICLR Icon PLC | 0.48% | 25,904 | $2.9M | Add +16.4% |
| SNDK Sandisk Corp. | 0.47% | 4,379 | $2.8M | Reduce -26.9% |
| AM Antero Midstream Corp. | 0.47% | 120,928 | $2.8M | Reduce -3.6% |
| VOO Vanguard S&P 500 ETF | 0.45% | 4,428 | $2.6M | Reduce -6.3% |
| VTI VG Morningstar TS MKT ETF-US | 0.43% | 8,002 | $2.6M | Reduce -0.3% |
| FLBR Franklin Ftse Brazil ETF | 0.43% | 106,651 | $2.5M | New |
| MS Morgan Stanley | 0.42% | 14,997 | $2.5M | New |
| HUBB Hubbell Inc. | 0.42% | 5,007 | $2.5M | No change |
| NVT Nvent Electric PLC | 0.42% | 20,744 | $2.5M | Reduce -0.1% |
| COST Costco Wholesale Corp. | 0.41% | 2,449 | $2.4M | Reduce -0.5% |
| CF CF Industries Holdings Inc. | 0.39% | 17,684 | $2.3M | Reduce -0.1% |
| IJH iShares Core S&P Midcap ETF | 0.38% | 33,000 | $2.2M | Reduce -38.4% |
| SSD Simpson Manufacturing Co. Inc. | 0.37% | 12,632 | $2.2M | No change |
| RPM RPM International Inc. | 0.34% | 20,104 | $2.0M | Reduce -0.1% |
| DE Deere & Co. | 0.31% | 3,270 | $1.8M | Reduce -55.0% |
| IJR iShares Core S&P Small-Cap E | 0.30% | 14,491 | $1.8M | No change |
| UEC Uranium Energy Corp. | 0.30% | 131,337 | $1.8M | New |
| RF Regions Financial Corp. | 0.28% | 62,341 | $1.6M | Reduce -0.0% |
| QQQ Invesco QQQ Trust Series 1 | 0.27% | 2,801 | $1.6M | Reduce -9.1% |
| XLK SS Technology Select Sector | 0.25% | 11,203 | $1.5M | Reduce -22.8% |
| DFAC Dimensional US Core Equity 2 | 0.25% | 37,626 | $1.5M | Add +0.2% |
| IEFA iShares Core MSCI Eafe ETF | 0.24% | 15,782 | $1.4M | No change |
| SHY iShares 1-3 Year Treasury Bo | 0.24% | 17,194 | $1.4M | Reduce -12.9% |
| WFC Wells Fargo & Co. | 0.23% | 17,346 | $1.4M | Reduce -4.1% |
| IWR iShares Russell Mid-Cap ETF | 0.23% | 14,001 | $1.4M | No change |
| JNJ Johnson & Johnson | 0.23% | 5,523 | $1.4M | No change |
| EPD Enterprise Products Partners | 0.23% | 35,606 | $1.3M | No change |
| AIG American International Group | 0.22% | 17,372 | $1.3M | No change |
| TXN Texas Instruments Inc. | 0.21% | 6,522 | $1.3M | Reduce -0.9% |
| GPN Global Payments Inc. | 0.21% | 18,748 | $1.3M | No change |
| XOM Exxon Mobil Corp. | 0.21% | 7,147 | $1.2M | Add +7.5% |
| IBM Intl Business Machines Corp. filed as INTERNATIONAL BUSINESS MACHS | 0.20% | 4,963 | $1.2M | Add +14.2% |
| ADP Automatic Data Processing | 0.20% | 5,900 | $1.2M | No change |
| RSP Invesco S&P 500 Equal Weight | 0.19% | 5,965 | $1.1M | Reduce -91.6% |
| ALL Allstate Corp. | 0.19% | 5,462 | $1.1M | No change |
| CAT Caterpillar Inc. | 0.19% | 1,565 | $1.1M | No change |
| BE Bloom Energy Corp. Class A | 0.18% | 7,852 | $1.1M | No change |
| TYL Tyler Technologies Inc. | 0.18% | 3,083 | $1.1M | New |
| EWY iShares MSCI South Korea ETF | 0.18% | 8,539 | $1.1M | Reduce -0.5% |
| VGSH Vanguard Short-Term Treasury | 0.17% | 16,848 | $986K | No change |
Portfolio Sells Q4 2025 → Q1 2026
| RSP Invesco S&P 500 Equal Weight | Reduce -91.6% | 0.19% | −2.06 |
| IVW iShares S&P 500 Growth ETF | Sold out | 0.00% | −1.20 |
| IEV iShares Europe ETF | Sold out | 0.00% | −1.06 |
| DHR Danaher Corp. | Sold out | 0.00% | −0.74 |
| BUD Anheuser-Busch Inbev-SPN ADR | Sold out | 0.00% | −0.55 |
| TSI TCW Strategic Income Fund | Sold out | 0.00% | −0.54 |
| TMO Thermo Fisher Scientific Inc. | Reduce -44.4% | 0.49% | −0.52 |
| TMUS T-Mobile US Inc. | Reduce -93.4% | 0.04% | −0.47 |
| IVE iShares S&P 500 Value ETF | Sold out | 0.00% | −0.44 |
| KWEB Kranesh Csi China Internet | Sold out | 0.00% | −0.41 |
| FWONK Liberty Media Corp. Class C | Reduce -72.7% | 0.11% | −0.35 |
| EMXC iShares MSCI Emr MRK Ex Chna | Sold out | 0.00% | −0.32 |
| AVGO Broadcom Inc. | Reduce -13.3% | 1.25% | −0.32 |
| WRB WR Berkley Corp. | Reduce -73.2% | 0.11% | −0.32 |
| FXI iShares China Large-Cap ETF | Sold out | 0.00% | −0.31 |
| NRG NRG Energy Inc. | Reduce -86.3% | 0.04% | −0.28 |
| DE Deere & Co. | Reduce -55.0% | 0.31% | −0.25 |
| ICE Intercontinental Exchange Inc. | Reduce -25.4% | 0.64% | −0.22 |
| IJH iShares Core S&P Midcap ETF | Reduce -38.4% | 0.38% | −0.21 |
| GOOG Alphabet Inc. Class C | Reduce -5.1% | 1.65% | −0.21 |
| EWJ iShares MSCI Japan ETF | Sold out | 0.00% | −0.17 |
| AMZN Amazon.com Inc. | Reduce -3.8% | 1.32% | −0.16 |
| ILF iShares Latin America 40 ETF | Sold out | 0.00% | −0.13 |
| SNPS Synopsys Inc. | Sold out | 0.00% | −0.13 |
| URI United Rentals Inc. | Reduce -52.8% | 0.08% | −0.10 |
| XLK SS Technology Select Sector | Reduce -22.8% | 0.25% | −0.09 |
| DNOW Dnow Inc. | Sold out | 0.00% | −0.09 |
| GDX Vaneck Gold Miners ETF | Reduce -70.8% | 0.04% | −0.08 |
| BAC Bank of America Corp. | Reduce -0.8% | 0.64% | −0.07 |
| MA Mastercard Inc. Class A | Reduce -0.5% | 0.57% | −0.07 |
| ALAB Astera Labs Inc. | Reduce -0.1% | 0.11% | −0.05 |
| V Visa Inc. Class A | Reduce -29.4% | 0.09% | −0.05 |
| WFC Wells Fargo & Co. | Reduce -4.1% | 0.23% | −0.04 |
| PFE Pfizer Inc. | Sold out | 0.00% | −0.04 |
| AMAT Applied Materials Inc. | Sold out | 0.00% | −0.04 |
| VOO Vanguard S&P 500 ETF | Reduce -6.3% | 0.45% | −0.04 |
| PG The Procter & Gamble Co. | Sold out | 0.00% | −0.04 |
| MUB iShares National Muni Bond E | Reduce -30.1% | 0.10% | −0.04 |
| PLTR Palantir Technologies Inc. Class A | Sold out | 0.00% | −0.04 |
| VGK Vanguard Ftse Europe ETF | Reduce -37.8% | 0.07% | −0.04 |
| QQQ Invesco QQQ Trust Series 1 | Reduce -9.1% | 0.27% | −0.04 |
| SNV Synovus Financial Corp. | Sold out | 0.00% | −0.04 |
| IEMG iShares Core MSCI Emerging | Sold out | 0.00% | −0.04 |
| IBIT iShares Bitcoin Trust ETF | Sold out | 0.00% | −0.04 |
| A Agilent Technologies Inc. | Sold out | 0.00% | −0.04 |
| BNY Bank of New York Mellon Corp. | Sold out | 0.00% | −0.03 |
| BND Vanguard Total Bond Market | Sold out | 0.00% | −0.03 |
| DFUS Dimensional US Eq MKT ETF | Reduce -0.3% | 1.32% | −0.03 |
| SHY iShares 1-3 Year Treasury Bo | Reduce -12.9% | 0.24% | −0.03 |
| HD Home Depot Inc. | Reduce -2.1% | 0.67% | −0.03 |
Portfolio Buys Q4 2025 → Q1 2026
| ITB iShares U.S. Home Constructi | Add +1658.2% | 0.98% | +0.92 |
| PGR Progressive Corp. | New | 0.68% | +0.68 |
| CCJ Cameco Corp. | New | 0.61% | +0.61 |
| GS Goldman Sachs Group Inc. | Add +566.8% | 0.69% | +0.59 |
| PWR Quanta Services Inc. | Add +23.9% | 1.14% | +0.45 |
| FLBR Franklin Ftse Brazil ETF | New | 0.43% | +0.43 |
| MS Morgan Stanley | New | 0.42% | +0.42 |
| PFF iShares Preferred & Income S | Add +15.1% | 3.06% | +0.41 |
| SARO Standardaero Inc. | Add +161.6% | 0.66% | +0.39 |
| MU Micron Technology Inc. | Add +22.6% | 1.12% | +0.37 |
| NFLX Netflix Inc. | Add +36.5% | 1.14% | +0.35 |
| AMGN Amgen Inc. | Add +19.9% | 1.41% | +0.34 |
| EQT Eqt Corp. | Add +27.4% | 0.86% | +0.31 |
| AR Antero Resources Corp. | Add +37.3% | 0.72% | +0.30 |
| UEC Uranium Energy Corp. | New | 0.30% | +0.30 |
| WCC Wesco International Inc. | Add +20.3% | 1.02% | +0.28 |
| RING iShares MSCI Global Gold Min | Add +8.5% | 1.73% | +0.28 |
| SYK Stryker Corp. | Add +67.5% | 0.73% | +0.28 |
| RTX RTX Corp. | Add +22.4% | 1.02% | +0.25 |
| WMT Walmart Inc. | Add +18.0% | 0.93% | +0.24 |
| BRK.B Berkshire Hathaway Inc. Class B | Add +13.4% | 2.28% | +0.22 |
| FERG Ferguson Enterprises Inc. | Add +16.9% | 1.07% | +0.22 |
| JAAA Janus Henderson Aaa Clo ETF | Add +8.9% | 2.09% | +0.21 |
| CNX CNX Resources Corp. | Add +33.9% | 0.66% | +0.20 |
| MTD Mettler-Toledo International | Add +60.3% | 0.60% | +0.20 |
| TYL Tyler Technologies Inc. | New | 0.18% | +0.18 |
| EBND State Street SPDR Bloomberg | Add +16.4% | 1.27% | +0.17 |
| VMBS Vanguard Mortgage-Backed Sec | Add +2.3% | 3.59% | +0.15 |
| AMD Advanced Micro Devices | Add +22.9% | 0.94% | +0.15 |
| LOW Lowe's Cos Inc. | Add +21.7% | 0.76% | +0.14 |
| IHE iShares US Pharmaceuticals E | New | 0.14% | +0.14 |
| NVR NVR Inc. | Add +36.7% | 0.64% | +0.14 |
| FN Fabrinet | New | 0.13% | +0.13 |
| NP Neptune Insurance Holdi Class A | New | 0.10% | +0.10 |
| MOG.A Moog Inc. Class A | New | 0.10% | +0.10 |
| GOOGL Alphabet Inc. Class A | Add +9.6% | 3.13% | +0.10 |
| AAPL Apple Inc. | Add +7.2% | 3.72% | +0.09 |
| META Meta Platforms Inc. Class A | Add +17.7% | 2.00% | +0.09 |
| JPM JPMorgan Chase & Co. | Add +12.5% | 1.60% | +0.08 |
| IEF iShares 7-10 Year Treasury B | Add +0.6% | 3.36% | +0.08 |
| XOM Exxon Mobil Corp. | Add +7.5% | 0.21% | +0.07 |
| JMBS Janus Henderson Mortg Backed | Add +0.9% | 3.20% | +0.07 |
| ETN Eaton Corp. PLC | Add +117.3% | 0.12% | +0.07 |
| NTRA Natera Inc. | Add +21.1% | 0.89% | +0.07 |
| SPIP SS SPDR P Tips ETF | Add +1.6% | 1.26% | +0.05 |
| TEL Te Connectivity PLC | Add +12.5% | 0.92% | +0.05 |
| IRM Iron Mountain Inc. | New | 0.05% | +0.05 |
| IGSB iShares 1-5Y Inv Grade Corp. | Add +1.5% | 1.26% | +0.04 |
| CVX Chevron Corp. | Add +2.2% | 0.14% | +0.04 |
| PSQ Proshares Short QQQ | New | 0.04% | +0.04 |
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 |