13F 申報指南13F 觀念全攻略
什麼是 SEC Form 13F 申報？美股機構大戶持股全攻略
完整解讀 Form 13F 申報規範、1 億美元門檻與 45 天延遲申報機制，學會如何追蹤頂級對沖基金與機構法人持倉動向。
AlphaSMO 權威研究指南閱讀專題
CIK: 0001304229
申報總市值
US$6.9億
US$6.9億
188 檔
15.0%
根據最新整理的 13F 季度數據集，SeaBridge Investment Advisors LLC 於 Q1 2026 結束時的管理資產規模為 US$6.9億。該機構在本季度申報了 188 檔美股持倉，呈現出該時期的主要投資地圖。
SeaBridge Investment Advisors LLC 在 Q1 2026 的調整主要集中於風險出清，清倉與減碼部位合計達 92 檔，反映機構對當前市場環境或個別公司估值採取較為保留之看法。
檢視投資組合結構，前 5 大主力部位（包含 AAPL, TSM, VMBS）占據了總市值的 15.0%，展現出該機構在 Q1 2026 的重點資金聚焦與風險分佈特徵。
| # | 代號 | 標的名稱 | 資產子類別 | 佔比 | 佔比變動 | 持倉量變化 | 4Q Trend |
|---|---|---|---|---|---|---|---|
| 1 | AAPL | Apple Inc | 股票-科技 | 3.72% | +0.01% | +7.17% | |
| 2 | TSM | Taiwan Semiconductor-sp Adr | 股票-科技 | 3.63% | +0.76% | -11.03% | |
| 3 | VMBS | Vanguard Mortgage-backed Sec | ETF-其他 | 3.59% | -0.21% | +2.25% | |
| 4 | IEF | Ishares 7-10 Year Treasury B | ETF-政府公債 | 3.36% | -0.16% | +0.57% | |
| 5 | JMBS | Janus Henderson Mortg Backed | ETF-其他 | 3.20% | -0.29% | +0.92% | |
| 6 | GOOGL | Alphabet Inc-cl A | 股票-通訊服務 | 3.13% | +0.15% | +9.58% | |
| 7 | PFF | Ishares Preferred & Income S | ETF-其他 | 3.06% | -0.18% | +15.07% | |
| 8 | MSFT | Microsoft CORP | 股票-科技 | 2.64% | -0.31% | +11.07% | |
| 9 | SPTS | Ss Spdr P St Term Tsy ETF | ETF-其他 | 2.44% | -0.23% | -2.82% | |
| 10 | BRK-B | Berkshire Hathaway Inc-cl B | 股票-其他 | 2.28% | -0.19% | +13.44% | |
| 11 | JAAA | Janus Henderson Aaa Clo ETF | ETF-其他 | 2.09% | +0.02% | +8.95% | |
| 12 | META | Meta Platforms Inc-class A | 股票-通訊服務 | 2.00% | -0.65% | +17.71% | |
| 13 | RING | Ishares Msci Global Gold Min | ETF-避險與商品 | 1.73% | -0.50% | +8.52% | |
| 14 | GOOG | Alphabet Inc-cl C | 股票-通訊服務 | 1.65% | +0.03% | -5.09% | |
| 15 | WPM | Wheaton Precious Metals CORP | 股票-原物料 | 1.60% | -0.40% | -4.15% | |
| 16 | JPM | Jpmorgan Chase & Co | 股票-金融 | 1.60% | -0.08% | +12.48% | |
| 17 | STX | Seagate Technology Holdings plc | 股票-科技 | 1.44% | +0.92% | -11.94% | |
| 18 | AMGN | Amgen Inc | 股票-醫療保健 | 1.41% | -0.16% | +19.90% | |
| 19 | SPOT | Spotify Technology S.A. | 股票-通訊服務 | 1.37% | -0.27% | +7.30% | |
| 20 | DFUS | Dimensional US Eq Mkt ETF | ETF-其他 | 1.32% | -0.05% | -0.31% | |
| 21 | AMZN | Amazon.com Inc | 股票-循環性消費 | 1.32% | +0.01% | -3.78% | |
| 22 | EBND | State Street Spdr Bloomberg | ETF-其他 | 1.27% | -0.08% | +16.43% | |
| 23 | SPIP | Ss Spdr P Tips ETF | ETF-其他 | 1.26% | -0.08% | +1.64% | |
| 24 | IGSB | Ishares 1-5y Inv Grade CORP | ETF-其他 | 1.26% | -0.05% | +1.50% | |
| 25 | AVGO | Broadcom Inc | 股票-科技 | 1.25% | +0.08% | -13.28% | |
| 26 | ASML | ASML Holding N.V. | 股票-科技 | 1.23% | +0.39% | -0.24% | |
| 27 | NFLX | Netflix Inc | 股票-通訊服務 | 1.14% | -0.40% | +36.55% | |
| 28 | PWR | Quanta Services Inc | 股票-工業 | 1.14% | -0.14% | +23.90% | |
| 29 | MU | Micron Technology Inc | 股票-科技 | 1.12% | +2.17% | +22.64% | |
| 30 | FERG | Ferguson Enterprises Inc | 股票-工業 | 1.07% | -0.13% | +16.91% | |
| 31 | WCC | Wesco International Inc | 股票-工業 | 1.02% | +0.10% | +20.34% | |
| 32 | RTX | Rtx CORP | 股票-工業 | 1.02% | -0.15% | +22.45% | |
| 33 | ITB | Ishares U.s. Home Constructi | ETF-其他 | 0.98% | -0.94% | +1658.16% | |
| 34 | AMD | Advanced Micro Devices | 股票-科技 | 0.94% | +1.37% | +22.86% | |
| 35 | WMT | Walmart Inc | 股票-非循環性消費 | 0.93% | -0.20% | +18.04% | |
| 36 | TEL | TE Connectivity plc | 股票-科技 | 0.92% | -0.16% | +12.49% | |
| 37 | NTRA | Natera Inc | 股票-醫療保健 | 0.89% | +0.15% | +21.14% | |
| 38 | EQT | Eqt CORP | 股票-能源 | 0.86% | -0.23% | +27.44% | |
| 39 | BABA | Alibaba Group Holding-sp Adr | 股票-循環性消費 | 0.82% | -0.29% | +18.55% | |
| 40 | NVDA | Nvidia CORP | 股票-科技 | 0.78% | — | +2.97% | |
| 41 | IVV | Ishares Core S&p 500 ETF | ETF-大型股與成長 | 0.78% | -0.03% | +2.11% | |
| 42 | LOW | Lowe's Cos Inc | 股票-循環性消費 | 0.76% | -0.15% | +21.67% | |
| 43 | SPY | Ss Spdr S&p 500 ETF Trust-us | ETF-大型股與成長 | 0.75% | — | +2.24% | |
| 44 | SYK | Stryker CORP | 股票-醫療保健 | 0.73% | -0.12% | +67.55% | |
| 45 | AR | Antero Resources CORP | 股票-能源 | 0.72% | -0.20% | +37.27% | |
| 46 | GS | Goldman Sachs Group Inc | 股票-金融 | 0.69% | +0.03% | +566.80% | |
| 47 | PGR | Progressive CORP | 股票-金融 | 0.68% | -0.05% | — | |
| 48 | HD | Home Depot Inc | 股票-循環性消費 | 0.67% | +0.04% | -2.07% | |
| 49 | SARO | Standardaero Inc | 股票-其他 | 0.66% | +0.32% | +161.63% | |
| 50 | CNX | Cnx Resources CORP | 股票-能源 | 0.66% | -0.15% | +33.88% |
| # | 代號 | 標的名稱 | 佔比變動 | 持倉量變化 | 異動類型 |
|---|---|---|---|---|---|
| 1 | ITB | Ishares U.s. Home Constructi | +0.9% | +1658.16% | 加碼 |
| 2 | GS | Goldman Sachs Group Inc | +0.6% | +566.80% | 加碼 |
| 3 | PWR | Quanta Services Inc | +0.5% | +23.90% | 加碼 |
| 4 | PFF | Ishares Preferred & Income S | +0.4% | +15.07% | 加碼 |
| 5 | SARO | Standardaero Inc | +0.4% | +161.63% | 加碼 |
| 6 | MU | Micron Technology Inc | +0.4% | +22.64% | 加碼 |
| 7 | NFLX | Netflix Inc | +0.3% | +36.55% | 加碼 |
| 8 | AMGN | Amgen Inc | +0.3% | +19.90% | 加碼 |
| 9 | STX | Seagate Technology Holdings plc | +0.3% | -11.94% | 減碼 |
| 10 | AR | Antero Resources CORP | +0.3% | +37.27% | 加碼 |
| 11 | EQT | Eqt CORP | +0.3% | +27.44% | 加碼 |
| 12 | WCC | Wesco International Inc | +0.3% | +20.34% | 加碼 |
| 13 | RING | Ishares Msci Global Gold Min | +0.3% | +8.52% | 加碼 |
| 14 | SYK | Stryker CORP | +0.3% | +67.55% | 加碼 |
| 15 | ASML | ASML Holding N.V. | +0.3% | -0.24% | 減碼 |
| 16 | RTX | Rtx CORP | +0.3% | +22.45% | 加碼 |
| 17 | SNDK | Sandisk CORP | +0.2% | -26.93% | 減碼 |
| 18 | WMT | Walmart Inc | +0.2% | +18.04% | 加碼 |
| 19 | BRK-B | Berkshire Hathaway Inc-cl B | +0.2% | +13.44% | 加碼 |
| 20 | FERG | Ferguson Enterprises Inc | +0.2% | +16.91% | 加碼 |
| 21 | JAAA | Janus Henderson Aaa Clo ETF | +0.2% | +8.95% | 加碼 |
| 22 | CNX | Cnx Resources CORP | +0.2% | +33.88% | 加碼 |
| 23 | MTD | Mettler-toledo International | +0.2% | +60.26% | 加碼 |
| 24 | EBND | State Street Spdr Bloomberg | +0.2% | +16.43% | 加碼 |
| 25 | CF | Cf Industries Holdings Inc | +0.2% | -0.15% | 減碼 |
| 26 | AMD | Advanced Micro Devices | +0.2% | +22.86% | 加碼 |
| 27 | VMBS | Vanguard Mortgage-backed Sec | +0.2% | +2.25% | 加碼 |
| 28 | LOW | Lowe's Cos Inc | +0.1% | +21.67% | 加碼 |
| 29 | WPM | Wheaton Precious Metals CORP | +0.1% | -4.15% | 減碼 |
| 30 | NVR | Nvr Inc | +0.1% | +36.73% | 加碼 |
| 31 | AM | Antero Midstream CORP | +0.1% | -3.58% | 減碼 |
| 32 | GOOGL | Alphabet Inc-cl A | +0.1% | +9.58% | 加碼 |
| 33 | AAPL | Apple Inc | +0.1% | +7.17% | 加碼 |
| 34 | XOM | Exxon Mobil CORP | +0.1% | +7.51% | 加碼 |
| 35 | JPM | Jpmorgan Chase & Co | +0.1% | +12.48% | 加碼 |
| 36 | META | Meta Platforms Inc-class A | +0.1% | +17.71% | 加碼 |
| 37 | JMBS | Janus Henderson Mortg Backed | +0.1% | +0.92% | 加碼 |
| 38 | IEF | Ishares 7-10 Year Treasury B | +0.1% | +0.57% | 加碼 |
| 39 | ETN | Eaton Corporation plc | +0.1% | +117.29% | 加碼 |
| 40 | BE | Bloom Energy Corp- A | +0.1% | — | 不變 |
| 41 | NVT | nVent Electric plc | +0.1% | -0.08% | 減碼 |
| 42 | NTRA | Natera Inc | +0.1% | +21.14% | 加碼 |
| 43 | COST | Costco Wholesale CORP | +0.1% | -0.45% | 減碼 |
| 44 | ITT | Itt Inc | +0.1% | -0.08% | 減碼 |
| 45 | SPIP | Ss Spdr P Tips ETF | +0.1% | +1.64% | 加碼 |
| 46 | HUBB | Hubbell Inc | +0.1% | — | 不變 |
| 47 | TSM | Taiwan Semiconductor-sp Adr | +0.1% | -11.03% | 減碼 |
| 48 | TEL | TE Connectivity plc | +0.1% | +12.49% | 加碼 |
| 49 | CVX | Chevron CORP | 0% | +2.22% | 加碼 |
| 50 | EWY | Ishares Msci South Korea ETF | 0% | -0.48% | 減碼 |
根據 SEC 官方 Form 13F 申報備案，SeaBridge Investment Advisors LLC 在 Q1 2026 季度的美股持倉總市值約為 US$6.9億，共申報了 188 個公開持股部位。
在 Q1 2026 季度，SeaBridge Investment Advisors LLC 按市值排列的前三大核心持股分別為：AAPL (3.7%)、TSM (3.6%)、VMBS (3.6%)。其中最大持股部位 AAPL 佔據整體投資組合約 3.7% 的權重。
精選 AlphaSMO 大戶持股與內部人交易深度分析，提升投資決策勝率
完整解讀 Form 13F 申報規範、1 億美元門檻與 45 天延遲申報機制，學會如何追蹤頂級對沖基金與機構法人持倉動向。
本季最大新建倉標的
PGR
市值: US$403.6萬
本季最大獲利了結 / 清倉標的
IVW
前期市值: US$728.8萬
在 Q1 2026 季度中，SeaBridge Investment Advisors LLC 共進行了 161 項持倉異動，包含新建倉 15 個部位、加碼 54 個部位、減碼 69 個部位以及清倉 23 個部位。 其中最大新建倉標的為 PGR。 本季清倉部位包含 IVW。
本頁面所有持股數據均直接同步自美國證券交易委員會（SEC）EDGAR 官方系統之 13F-HR / 13F-HR/A 季度申報文件。AlphaSMO 透過機器解析 CUSIP 與個股對照，提供 100% 精準對齊的歷史時序數據集，並支援 Schema.org 結構化資料格式。
解析公司高管、董事與 10% 大股東之 Form 4 內部人交易申報，掌握高管自家股票買賣第一手訊號。
深入剖析 5% 股益申報門檻、13D 與 13G 之差異，以及最新 SEC 申報時程規範，洞察機構法人的激進投資動向。