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铁木制药 IRWD

美股市值排名 #3428药品制造-专科与仿制
$4.39 +$0.36 (+8.93%)
休市 · Nov 6, 8:20 pm ET · 最新盘后价 $4.36 -0.68%
开盘$4.26
昨收$4.03
当日区间$4.10 – $4.44
成交量3.96M
市值$726.77M
市盈率（TTM）4.9
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98.8%-1.38 个百分点，较上季度
持仓机构数264+5 ，较上季度
内部人近期交易29次买入 / 21次卖出净买入
空头持仓比例9.61% 占流通股回补天数 8.0 · 截至 15 Oct 2026
卖空成交量占比17.0%近5日成交量平均占比

卖空成交量占当日成交量比例

7%13%20%27%Sep '26Oct '26Nov '26

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：−$1.72M（5个净流入日，15个净流出日）。

按单量净流入，近20个交易日

−$963.6K超大单−$759.3K大单−$1.9M中单−$1.7M小单

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35.3%的流通股。

最大股东

  • BlackRock10.77%
  • Armistice Capital LLC8.43%
  • Sarissa Capital Management LP5.56%
  • State Street Global Advisors5.33%
  • Bank of America Corporation5.26%
  • Renaissance Technologies Corp.4.84%
  • Vanguard Capital Management, LLC4.63%
  • AQR Capital Management3.81%

按投资者类型

  • Mutual Fund58.43%
  • Hedge Fund29.20%
  • Public Company8.71%
  • Individual/Insider3.24%
  • Private Company0.86%
  • Government Pension Fund0.77%
  • Bank/Investment Bank0.28%
  • Family Office/Trust0.20%

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10.05%降至9.61%。

近期机构持仓变动

股东类型期间持股变动新持股比例
CWA Asset Management Group, LLC Mutual Fund 2026/Q3 +208,277 0.3%
Nuveen Asset Management LLC Insurance Company 2026/Q3 +313,518 0.2%
BlackRock Mutual Fund 2026/Q3 +4,425,627 10.8%
Mackenzie Financial Corporation Mutual Fund 2026/Q3 +1,807,459 1.4%
State Street Global Advisors Mutual Fund 2026/Q3 +1,352,657 5.3%
Wells Fargo & Company Public Company 2026/Q3 +1,147,348 0.7%
Morgan Stanley Public Company 2026/Q3 +1,039,251 0.9%
Goldman Sachs Asset Management, L.P. Mutual Fund 2026/Q3 +619,531 0.8%
Hudson River Trading LLC Private Company 2026/Q3 +577,337 0.3%
Vanguard Capital Management, LLC Mutual Fund 2026/Q3 +562,759 4.6%
Dimensional Fund Advisors Mutual Fund 2026/Q3 +440,836 1.5%
Jacobs Levy Equity Management Inc Mutual Fund 2026/Q3 +433,487 2.5%
Citadel Advisors LLC Hedge Fund 2026/Q3 +384,127 0.3%
Voya Investment Management LLC Mutual Fund 2026/Q3 +338,631 0.3%
O'Shaughnessy Asset Management, LLC Mutual Fund 2026/Q3 +310,668 0.3%

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
23 Sep 2026 Michael Shetzline Former Chief Medical Officer, Senior VP and Head of Research & Drug Development Intent to Sell (Form 144) -83,306 $4.53 –
14 Sep 2026 Alexander Denner Independent Director Other Acquisition +3,694 – 327,549
19 Jul 2026 Jeffrey Silber Chief Medical Officer, Head of Research & Drug Development Other Acquisition +137,036 – 137,036
6 Jul 2026 Ronald Silver Senior VP, Interim CFO, Corporate Controller & Chief Accounting Officer Automatic Disposition -127,890 $4.52 2,235
15 Jun 2026 Jay Shepard Independent Director Other Acquisition +63,481 – 235,036
15 Jun 2026 Mark Currie Independent Director Other Acquisition +63,481 – 676,900
15 Jun 2026 Catherine Moukheibir Independent Director Other Acquisition +63,481 – 181,425
15 Jun 2026 Julie McHugh Independent Chairperson Other Acquisition +63,481 – 250,749
15 Jun 2026 Julie McHugh Independent Chairperson Automatic Disposition -21,571 $3.73 250,749
15 Jun 2026 Marla Kessler Independent Director Other Acquisition +63,481 – 229,364
15 Jun 2026 Jon Duane Independent Director Other Acquisition +63,481 – 253,820
15 Jun 2026 Alexander Denner Independent Director Other Acquisition +67,546 – 323,855
18 May 2026 Ronald Silver Senior VP, Interim CFO, Corporate Controller & Chief Accounting Officer Other Acquisition +25,000 – 311,445
16 Mar 2026 Sarissa Capital Management LP Open Market Disposition -6,730,800 $3.31 9,188,635
12 Mar 2026 Alexander Denner Independent Director Other Acquisition +4,451 – 256,309
9 Mar 2026 Thomas McCourt Chief Executive Officer Other Acquisition +409,836 – 1,038,128
9 Mar 2026 Michael Shetzline Former Chief Medical Officer, Senior VP and Head of Research & Drug Development Other Acquisition +136,612 – 281,293
9 Mar 2026 Ronald Silver Senior VP, Interim CFO, Corporate Controller & Chief Accounting Officer Other Acquisition +163,934 – 286,445
9 Mar 2026 John Minardo Chief Legal Officer Other Acquisition +136,612 – 271,868
9 Mar 2026 Gregory Martini Former Senior VP, CFO & Investor Relations Other Acquisition +136,612 – 219,945

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 15,887,553 9.6% 8.0
30 Sep 2026 15,567,942 9.4% 6.2
15 Sep 2026 18,728,986 11.3% 13.1
31 Aug 2026 17,654,677 10.7% 11.9
14 Aug 2026 18,066,382 10.9% 6.4
31 Jul 2026 16,542,403 10.0% 10.0

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