SeaBridge Investment Advisors LLC — 13F Holdings & Portfolio
CIK 1304229 · latest 13F-HR filed 2026-04-29
AUM is the long-equity portion reported on Form 13F-HR. Excludes short positions, cash, foreign holdings, and non-13F assets. For informational purposes only — not investment advice.
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AUM
$591.1M
Long-equity book
Holdings
188
Distinct positions
Period
2026-03-31
Filed 2026-04-29
Q/Q Activity
+15 / −23 / ↑62 / ↓62
vs 2025-12-31
Firm Profile & Key People
| Name | Title / Status | Ownership | Type |
|---|
Top Adds (vs prior quarter)
- ISHARES TR$5.5M +1553.2%
- GOLDMAN SACHS GROUP INC$3.4M +541.8%
- QUANTA SVCS INC$2.6M +61.2%
- STANDARDAERO INC$2.3M +135.6%
- MICRON TECHNOLOGY INC$2.1M +45.2%
Top Trims
- INVESCO EXCHANGE TRADED FD T-$12.5M -91.6%
- THERMO FISHER SCIENTIFIC INC-$3.2M -52.8%
- T-MOBILE US INC-$2.9M -93.2%
- MICROSOFT CORP-$2.7M -15.0%
- LIBERTY MEDIA CORP DEL-$2.2M -76.4%
New Positions
- PROGRESSIVE CORP$4.0M
- CAMECO CORP$3.6M
- FRANKLIN TEMPLETON ETF TR$2.5M
- MORGAN STANLEY$2.5M
- URANIUM ENERGY CORP$1.8M
Exited Positions
- ISHARES TR$7.3M
- ISHARES TR$6.4M
- DANAHER CORPORATION$4.5M
- ANHEUSER BUSCH INBEV SA/NV$3.3M
- TCW STRATEGIC INCOME FD INC$3.3M
All Holdings
Rows tagged Call or Put are options positions, not stock. Per SEC Form 13F-HR, Value shows the notional value of the underlying (shares covered × underlying price), not the option premium. Shares is the number of underlying shares covered (divide by 100 for contract count).
| # | Issuer | Symbol | CUSIP | Value | Weight | Shares | Type |
|---|---|---|---|---|---|---|---|
| 1 | APPLE INC | AAPL | 037833100 | $22.0M | 3.72% | 86,702 | SH |
| 2 | TAIWAN SEMICONDUCTOR MANUFAC | TSM | 874039100 | $21.5M | 3.63% | 63,547 | SH |
| 3 | VANGUARD SCOTTSDALE FDS | VMBS | 92206C771 | $21.2M | 3.59% | 451,757 | SH |
| 4 | ISHARES TR | IEF | 464287440 | $19.9M | 3.36% | 208,041 | SH |
| 5 | JANUS DETROIT STR TR | JMBS | 47103U852 | $18.9M | 3.20% | 418,001 | SH |
| 6 | ALPHABET INC | GOOGL | 02079K305 | $18.5M | 3.13% | 64,325 | SH |
| 7 | ISHARES TR | PFF | 464288687 | $18.1M | 3.06% | 595,897 | SH |
| 8 | MICROSOFT CORP | MSFT | 594918104 | $15.6M | 2.64% | 42,095 | SH |
| 9 | SPDR SERIES TRUST | SPTS | 78468R101 | $14.4M | 2.44% | 495,119 | SH |
| 10 | BERKSHIRE HATHAWAY INC DEL | BRK.B | 084670702 | $13.5M | 2.28% | 28,069 | SH |
| 11 | JANUS DETROIT STR TR | JAAA | 47103U845 | $12.3M | 2.09% | 245,182 | SH |
| 12 | META PLATFORMS INC | META | 30303M102 | $11.8M | 2.00% | 20,688 | SH |
| 13 | ISHARES INC | RING | 46434G855 | $10.2M | 1.73% | 129,410 | SH |
| 14 | ALPHABET INC | GOOG | 02079K107 | $9.7M | 1.65% | 33,925 | SH |
| 15 | WHEATON PRECIOUS METALS CORP | WPM | 962879102 | $9.4M | 1.60% | 72,058 | SH |
| 16 | JPMORGAN CHASE & CO | JPM | 46625H100 | $9.4M | 1.60% | 32,075 | SH |
| 17 | SEAGATE TECHNOLOGY HLDNGS PL | STX | G7997R103 | $8.5M | 1.44% | 21,691 | SH |
| 18 | AMGEN INC | AMGN | 031162100 | $8.3M | 1.41% | 23,669 | SH |
| 19 | SPOTIFY TECHNOLOGY S A | SPOT | L8681T102 | $8.1M | 1.37% | 16,667 | SH |
| 20 | DIMENSIONAL ETF TRUST | DFUS | 25434V401 | $7.8M | 1.32% | 110,308 | SH |
| 21 | AMAZON COM INC | AMZN | 023135106 | $7.8M | 1.32% | 37,444 | SH |
| 22 | SPDR SERIES TRUST | EBND | 78464A391 | $7.5M | 1.27% | 364,019 | SH |
| 23 | SPDR SERIES TRUST | SPIP | 78464A656 | $7.4M | 1.26% | 285,808 | SH |
| 24 | ISHARES TR | IGSB | 464288646 | $7.4M | 1.26% | 141,432 | SH |
| 25 | BROADCOM INC | AVGO | 11135F101 | $7.4M | 1.25% | 23,832 | SH |
| 26 | ASML HLDG NV | ASML | N07059210 | $7.3M | 1.23% | 5,502 | SH |
| 27 | NETFLIX INC. | NFLX | 64110L106 | $6.8M | 1.14% | 70,379 | SH |
| 28 | QUANTA SVCS INC | PWR | 74762E102 | $6.8M | 1.14% | 12,309 | SH |
| 29 | MICRON TECHNOLOGY INC | MU | 595112103 | $6.6M | 1.12% | 19,657 | SH |
| 30 | FERGUSON ENTERPRISES INC | FERG | 31488V107 | $6.3M | 1.07% | 27,108 | SH |
| 31 | WESCO INTL INC | WCC | 95082P105 | $6.0M | 1.02% | 22,037 | SH |
| 32 | RTX CORPORATION | RTX | 75513E101 | $6.0M | 1.02% | 31,131 | SH |
| 33 | ISHARES TR | ITB | 464288752 | $5.8M | 0.98% | 64,120 | SH |
| 34 | ADVANCED MICRO DEVICES INC | AMD | 007903107 | $5.5M | 0.94% | 27,254 | SH |
| 35 | WALMART INC | WMT | 931142103 | $5.5M | 0.93% | 44,442 | SH |
| 36 | TE CONNECTIVITY PLC | TEL | G87052109 | $5.5M | 0.92% | 26,094 | SH |
| 37 | NATERA INC | NTRA | 632307104 | $5.3M | 0.89% | 26,384 | SH |
| 38 | EQT CORP | EQT | 26884L109 | $5.1M | 0.86% | 79,847 | SH |
| 39 | ALIBABA GROUP HLDG LTD | BABA | 01609W102 | $4.8M | 0.82% | 38,424 | SH |
| 40 | NVIDIA CORPORATION | NVDA | 67066G104 | $4.6M | 0.78% | 26,554 | SH |
| 41 | ISHARES TR | IVV | 464287200 | $4.6M | 0.78% | 7,077 | SH |
| 42 | LOWES COS INC | LOW | 548661107 | $4.5M | 0.76% | 19,032 | SH |
| 43 | STATE STR SPDR S&P 500 ETF T | SPY | 78462F103 | $4.4M | 0.75% | 6,804 | SH |
| 44 | STRYKER CORPORATION | SYK | 863667101 | $4.3M | 0.73% | 13,216 | SH |
| 45 | ANTERO RESOURCES CORP | AR | 03674X106 | $4.2M | 0.72% | 99,880 | SH |
| 46 | GOLDMAN SACHS GROUP INC | GS | 38141G104 | $4.1M | 0.69% | 4,821 | SH |
| 47 | PROGRESSIVE CORP | PGR | 743315103 | $4.0M | 0.68% | 20,361 | SH |
| 48 | HOME DEPOT INC | HD | 437076102 | $4.0M | 0.67% | 12,013 | SH |
| 49 | STANDARDAERO INC | SARO | 85423L103 | $3.9M | 0.66% | 151,838 | SH |
| 50 | CNX RES CORP | CNX | 12653C108 | $3.9M | 0.66% | 101,103 | SH |
Filing History
| Period | Filed | AUM | Holdings | Accession |
|---|---|---|---|---|
| 2026-03-31 | 2026-04-29 | $591.1M | 188 | 0001304229-26-000003 |
| 2025-12-31 | 2026-01-26 | $605.7M | 196 | 0001304229-26-000001 |