奥马达健康 OMDA
$15.09 −$3.86 (-20.37%)
休市 · Nov 6, 11:50 pm ET · 最新盘后价 $15.25 +1.06%
开盘$16.00
昨收$18.95
当日区间$14.75 – $16.28
成交量4.72M
市值$935.52M
市盈率（TTM）28.4
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95.3%-0.88 个百分点，较上季度
持仓机构数196+8 ，较上季度
内部人近期交易12次买入 / 38次卖出净卖出
空头持仓比例13.63% 占流通股回补天数 6.7 · 截至 15 Oct 2026
卖空成交量占比25.7%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：−$4.68M（8个净流入日，12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31.8%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12.84%升至13.63%。
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 | +1,445,608 | 6.0% |
| Wasatch Advisors LP | Mutual Fund | 2026/Q3 | +435,277 | 0.7% |
| Nuveen Asset Management LLC | Insurance Company | 2026/Q3 | +717,125 | 1.2% |
| Morgan Stanley | Public Company | 2026/Q3 | +1,333,034 | 4.5% |
| American Century Investment Management | Mutual Fund | 2026/Q3 | +1,222,367 | 6.0% |
| Oberweis Asset Management, Inc. | Mutual Fund | 2026/Q3 | +1,048,800 | 1.7% |
| D. E. Shaw & Co., L.P. | Hedge Fund | 2026/Q3 | +1,047,066 | 2.0% |
| Teachers Insurance and Annuity Association-College Retirement Equities Fund | Mutual Fund | 2026/Q3 | +875,823 | 1.5% |
| Arrowstreet Capital, Limited Partnership | Mutual Fund | 2026/Q3 | +752,561 | 1.4% |
| Millennium Management LLC | Hedge Fund | 2026/Q3 | +620,062 | 2.8% |
| Citadel Advisors LLC | Hedge Fund | 2026/Q3 | +355,513 | 0.8% |
| Jane Street Group, LLC | Private Company | 2026/Q3 | +333,618 | 0.5% |
| BlackRock | Mutual Fund | 2026/Q3 | +317,516 | 3.6% |
| JPMorgan Chase & Co. | Public Company | 2026/Q3 | +262,180 | 0.5% |
| Vanguard Portfolio Management, LLC | Mutual Fund | 2026/Q3 | +233,754 | 0.8% |
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 |
|---|---|---|---|---|---|---|
| 4 Oct 2026 | Jonathan Root | Independent Director | Other Acquisition | +694 | – | 12,396 |
| 4 Oct 2026 | Jeryl Hilleman | Independent Chairperson & Lead Director | Other Acquisition | +1,214 | – | 13,531 |
| 4 Oct 2026 | Trevor Fetter | Independent Director | Other Acquisition | +751 | – | 12,521 |
| 4 Oct 2026 | Julie Klapstein | Independent Director | Other Acquisition | +549 | – | 12,080 |
| 30 Sep 2026 | Sean Duffy | Chief Executive Officer | Derivative Exercise and Sale | -17,258 | $20.90 | 851,659 |
| 9 Sep 2026 | Sean Duffy | Chief Executive Officer | Open Market Disposition | -14,960 | $22.59 | 851,659 |
| 9 Sep 2026 | Steven Cook | Chief Financial Officer | Automatic Disposition | -6,800 | $22.52 | 13,177 |
| 9 Sep 2026 | Wei-Li Shao | President | Open Market Disposition | -4,036 | $22.53 | 9,420 |
| 8 Sep 2026 | Craig Gracey | Chief Accounting Officer | Automatic Disposition | -644 | $21.73 | 1,030 |
| 4 Sep 2026 | Sean Duffy | Chief Executive Officer | Sale to Issuer | -4,422 | $22.77 | 866,619 |
| 4 Sep 2026 | Steven Cook | Chief Financial Officer | Sale to Issuer | -2,010 | $22.77 | 15,994 |
| 4 Sep 2026 | Wei-Li Shao | President | Sale to Issuer | -1,843 | $22.77 | 13,456 |
| 31 Aug 2026 | Sean Duffy | Chief Executive Officer | Sale to Issuer | -9,885 | $22.84 | 861,996 |
| 31 Aug 2026 | Sean Duffy | Chief Executive Officer | Derivative Exercise and Sale | -21,572 | $24.27 | 861,996 |
| 31 Aug 2026 | Steven Cook | Chief Financial Officer | Sale to Issuer | -4,493 | $22.84 | 4,701 |
| 31 Aug 2026 | Craig Gracey | Chief Accounting Officer | Sale to Issuer | -385 | $22.84 | 1,675 |
| 31 Aug 2026 | Wei-Li Shao | President | Sale to Issuer | -6,180 | $22.84 | 10,365 |
| 26 Aug 2026 | Steven Cook | Chief Financial Officer | Derivative Exercise and Sale | -1,108 | $25.00 | 187,209 |
| 11 Aug 2026 | Wei-Li Shao | President | Automatic Disposition | -9,418 | $25.02 | 1 |
| 10 Aug 2026 | Steven Cook | Chief Financial Officer | Derivative Exercise and Sale | -16,842 | $25.03 | 187,209 |
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 | 8,346,222 | 13.6% | 6.7 |
| 30 Sep 2026 | 7,452,573 | 12.2% | 4.4 |
| 15 Sep 2026 | 7,470,777 | 12.2% | 5.9 |
| 31 Aug 2026 | 5,742,536 | 9.4% | 6.5 |
| 14 Aug 2026 | 5,887,161 | 9.6% | 3.1 |
| 31 Jul 2026 | 7,630,720 | 12.8% | 5.9 |
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