迈阿密国际控股 MIAX
$34.48 −$0.01 (-0.03%)
休市 · Nov 6, 8:10 pm ET · 最新盘后价 $34.48 0.00%
开盘$33.90
昨收$34.49
当日区间$33.76 – $34.79
成交量884.7K
市值$3.45B
市盈率（TTM）11.6
股息率–
股权结构与仓位
谁在持有、谁在做空，以及大资金的流向
机构持股比例83.5%+0.55 个百分点，较上季度
持仓机构数265+5 ，较上季度
内部人近期交易15次买入 / 35次卖出净卖出
空头持仓比例8.03% 占流通股回补天数 3.7 · 截至 15 Oct 2026
卖空成交量占比19.8%近5日成交量平均占比
卖空成交量占当日成交量比例
大单净流入，近20个交易日
大单买入减卖出的净额（美元）。该窗口期内：−$15.69M（10个净流入日，10个净流出日）。
按单量净流入，近20个交易日
超大单/大单近似机构级别交易；中单/小单近似散户级别交易。各档买入减卖出净额，按窗口期累计。
已披露的前五大股东合计持有27.7%的流通股。
最大股东
按投资者类型
过去6次双周报告中（31 Jul 2026至15 Oct 2026），空头持仓占流通股比例已从6.56%升至8.03%。
近期机构持仓变动
| 股东 | 类型 | 期间 | 持股变动 | 新持股比例 |
|---|---|---|---|---|
| BlackRock | Mutual Fund | 2026/Q3 | +1,052,862 | 6.2% |
| Horizon Kinetics Holding Corporation | Mutual Fund | 2026/Q3 | +4,390,624 | 7.9% |
| BlackRock | Mutual Fund | 2026/Q3 | +2,839,074 | 5.1% |
| Vanguard Portfolio Management, LLC | Mutual Fund | 2026/Q3 | +2,411,472 | 3.8% |
| Vanguard Capital Management, LLC | Mutual Fund | 2026/Q3 | +1,863,455 | 3.5% |
| J Digital 6 Cayman Ltd. | Mutual Fund | 2026/Q3 | +1,807,234 | 1.8% |
| Balyasny Asset Management L.P. | Hedge Fund | 2026/Q3 | +1,682,924 | 1.7% |
| T. Rowe Price Group, Inc. | Mutual Fund | 2026/Q3 | +1,572,630 | 5.9% |
| William Blair Investment Management, LLC | Mutual Fund | 2026/Q3 | +1,103,651 | 1.8% |
| Healthcare of Ontario Pension Plan Trust Fund | Government Pension Fund | 2026/Q3 | +799,449 | 1.0% |
| State Street Global Advisors | Mutual Fund | 2026/Q3 | +720,565 | 1.4% |
| Westfield Capital Management Company, L.P. | Mutual Fund | 2026/Q3 | +700,741 | 0.7% |
| Walleye Capital LLC | Hedge Fund | 2026/Q3 | +689,512 | 0.7% |
| NewEdge Advisors, LLC | Mutual Fund | 2026/Q3 | +642,585 | 0.7% |
| Geode Capital Management, LLC | Mutual Fund | 2026/Q3 | +615,898 | 1.4% |
按报告期列出的机构买卖动态，变动幅度从大到小排列。
内部人交易
| 日期 | 内部人 | 职位 | 交易类型 | 股数 | 价格 | 交易后持股 |
|---|---|---|---|---|---|---|
| 21 Oct 2026 | Douglas Schafer | Executive Vice President | Derivative Exercise and Sale | -8,000 | $35.06 | 387,414 |
| 21 Oct 2026 | Barbara Comly | General Counsel | Derivative Exercise and Sale | -12,306 | $35.04 | 800,424 |
| 1 Oct 2026 | Douglas Schafer | Executive Vice President | Intent to Sell (Form 144) | -120,000 | $33.75 | – |
| 24 Sep 2026 | Harish Jayabalan | Executive VP, Chief Information Security Officer & Chief Risk Officer | Derivative Exercise and Retained | +8,333 | $12.00 | 81,738 |
| 15 Sep 2026 | Shelly Brown | Chief Strategy Officer | Automatic Disposition | -21,217 | $38.61 | 279,214 |
| 10 Sep 2026 | Shelly Brown | Chief Strategy Officer | Sale to Issuer | -16,283 | $42.54 | 300,431 |
| 2 Sep 2026 | Thomas Gallagher | Chairperson & CEO | Derivative Exercise and Sale | -47,000 | $42.43 | 1,976,840 |
| 2 Sep 2026 | Thomas Gallagher | Chairperson & CEO | Derivative Exercise and Retained | +42,603 | $22.40 | 1,976,840 |
| 2 Sep 2026 | Edward Deitzel | Executive VP, Chief Regulatory Officer & Chief Compliance Officer | Derivative Exercise and Sale | -11,000 | $42.21 | 110,282 |
| 1 Sep 2026 | Douglas Schafer | Executive Vice President | Derivative Exercise and Sale | -48,000 | $40.48 | 364,116 |
| 1 Sep 2026 | Barbara Comly | General Counsel | Derivative Exercise and Sale | -44,445 | $40.49 | 800,424 |
| 1 Sep 2026 | J. Teekell | Independent Director | Automatic Disposition | -3,000 | $40.89 | 82,920 |
| 1 Sep 2026 | Estate of Byrum W. Teekell | Open Market Disposition | -5,545 | $41.58 | 81,000 | |
| 18 Aug 2026 | Thomas Gallagher | Chairperson & CEO | Open Market Disposition | -149,700 | $41.13 | 1,934,237 |
| 17 Aug 2026 | Thomas Gallagher | Chairperson & CEO | Sale to Issuer | -150,300 | $42.41 | 1,934,237 |
| 17 Aug 2026 | Barbara Comly | General Counsel | Sale to Issuer | -43,420 | $42.41 | 800,424 |
| 16 Aug 2026 | Lance Emmons | Chief Financial Officer | Automatic Disposition | -35,000 | $42.83 | 49,262 |
| 16 Aug 2026 | Cynthia Schwarzkopf | Independent Director | Derivative Exercise and Sale | -5,000 | $42.85 | 83,575 |
| 3 Aug 2026 | Thomas Gallagher | Chairperson & CEO | Derivative Exercise and Sale | -48,334 | $45.69 | 2,234,237 |
| 3 Aug 2026 | Douglas Schafer | Executive Vice President | Derivative Exercise and Sale | -48,000 | $45.71 | 364,116 |
数据来自Form 4/Form 144申报文件。负数为减持（出售、赠予或代扣税款股份），正数为增持。
空头持仓（按报告期）
| 报告日期 | 空头股数 | 占流通股比例 | 回补天数 |
|---|---|---|---|
| 15 Oct 2026 | 7,967,675 | 8.0% | 3.7 |
| 30 Sep 2026 | 8,880,720 | 8.9% | 4.6 |
| 15 Sep 2026 | 6,842,367 | 6.9% | 5.0 |
| 31 Aug 2026 | 6,787,161 | 6.8% | 5.6 |
| 14 Aug 2026 | 7,390,843 | 7.4% | 5.4 |
| 31 Jul 2026 | 6,225,929 | 6.6% | 5.4 |
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