开盘$1.74
昨收$1.67
当日区间$1.68 – $1.82
成交量5.63M
市值$291.12M
市盈率（TTM）–
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77.1%+1.23 个百分点，较上季度
持仓机构数244+0 ，较上季度
内部人近期交易22次买入 / 28次卖出净卖出
空头持仓比例26.28% 占流通股回补天数 15.3 · 截至 15 Oct 2026
卖空成交量占比12.9%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：+$1.49M（14个净流入日，6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29.2%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26.70%降至26.28%。
近期机构持仓变动
| 股东 | 类型 | 期间 | 持股变动 | 新持股比例 |
|---|---|---|---|---|
| Pinnacle Associates, Ltd. | Mutual Fund | 2026/Q3 | +1,916,783 | 1.4% |
| Nuveen Asset Management LLC | Insurance Company | 2026/Q3 | +1,038,899 | 1.7% |
| Aigh Capital Management, LLC | Hedge Fund | 2026/Q3 | +7,271,000 | 4.4% |
| Needham Investment Management, LLC | Mutual Fund | 2026/Q3 | +3,525,200 | 2.1% |
| Medina Value Partners, LLC | Hedge Fund | 2026/Q3 | +3,279,375 | 2.0% |
| BlackRock | Mutual Fund | 2026/Q3 | +2,752,009 | 8.2% |
| Acadian Asset Management LLC | Mutual Fund | 2026/Q3 | +2,682,326 | 1.7% |
| Goldman Sachs Asset Management, L.P. | Mutual Fund | 2026/Q3 | +1,899,587 | 1.3% |
| State Street Global Advisors | Mutual Fund | 2026/Q3 | +1,788,024 | 8.0% |
| Balyasny Asset Management L.P. | Hedge Fund | 2026/Q3 | +1,743,802 | 1.1% |
| Archon Capital Management LLC | Hedge Fund | 2026/Q3 | +1,200,000 | 1.1% |
| PanAgora Asset Management, Inc. | Mutual Fund | 2026/Q3 | +1,173,903 | 0.7% |
| Teachers Insurance and Annuity Association-College Retirement Equities Fund | Mutual Fund | 2026/Q3 | +1,086,070 | 1.8% |
| Vanguard Capital Management, LLC | Mutual Fund | 2026/Q3 | +1,054,865 | 4.7% |
| JPMorgan Chase & Co. | Public Company | 2026/Q3 | +877,212 | 0.6% |
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 |
|---|---|---|---|---|---|---|
| 16 Sep 2026 | Jeffrey Graves | Chief Executive Officer | Open Market Disposition | -42,686 | $3.55 | 1,231,596 |
| 16 Sep 2026 | Phyllis Nordstrom | Executive VP, CFO & Chief Administrative Officer | Open Market Disposition | -30,000 | $3.58 | 715,871 |
| 7 Sep 2026 | Charles Hull | Co-Founder, Executive VP, CTO of Regenerative Medicine & Director Emeritus | Sale to Issuer | -4,943 | $3.38 | 513,577 |
| 7 Sep 2026 | Jeffrey Graves | Chief Executive Officer | Sale to Issuer | -39,959 | $3.38 | 1,274,282 |
| 7 Sep 2026 | Phyllis Nordstrom | Executive VP, CFO & Chief Administrative Officer | Sale to Issuer | -47,396 | $3.38 | 745,871 |
| 7 Sep 2026 | Andrew Wright | Senior VP of General Counsel & Corporate Secretary | Sale to Issuer | -5,818 | $3.38 | 136,963 |
| 7 Sep 2026 | Reji Puthenveetil | Executive VP of Additive Solutions & Chief Commercial Officer | Sale to Issuer | -15,984 | $3.38 | 486,144 |
| 7 Sep 2026 | Joseph Zuiker | Executive Vice President of Engineering & Operations | Sale to Issuer | -6,689 | $3.38 | 271,362 |
| 19 Aug 2026 | Jeffrey Graves | Chief Executive Officer | Open Market Disposition | -115,500 | $3.26 | 1,314,241 |
| 13 May 2026 | Jim Kever | Independent Director | Other Acquisition | +45,731 | – | 560,650 |
| 13 May 2026 | Thomas Erickson | Independent Director | Other Acquisition | +45,731 | – | 395,178 |
| 13 May 2026 | Kevin Moore | Independent Director | Other Acquisition | +45,731 | – | 317,427 |
| 13 May 2026 | Charles McClure | Independent Chairperson | Other Acquisition | +45,731 | – | 227,848 |
| 13 May 2026 | John Tracy | Independent Director | Other Acquisition | +45,731 | – | 226,442 |
| 13 May 2026 | Malissia Clinton | Independent Director | Other Acquisition | +45,731 | – | 200,669 |
| 13 May 2026 | Vasant Padmanabhan | Independent Director | Other Acquisition | +45,731 | – | 192,915 |
| 13 May 2026 | Claudia Drayton | Independent Director | Other Acquisition | +45,731 | – | 174,369 |
| 13 Apr 2026 | Charles Hull | Co-Founder, Executive VP, CTO of Regenerative Medicine & Director Emeritus | Sale to Issuer | -4,102 | $1.98 | 518,520 |
| 13 Apr 2026 | Jeffrey Graves | Chief Executive Officer | Sale to Issuer | -30,500 | $1.98 | 1,429,741 |
| 13 Apr 2026 | Phyllis Nordstrom | Executive VP, CFO & Chief Administrative Officer | Sale to Issuer | -1,626 | $1.98 | 793,267 |
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 | 43,657,910 | 26.3% | 15.3 |
| 30 Sep 2026 | 43,767,924 | 26.3% | 17.2 |
| 15 Sep 2026 | 43,937,708 | 26.4% | 21.3 |
| 31 Aug 2026 | 43,721,595 | 26.3% | 22.7 |
| 14 Aug 2026 | 43,582,815 | 26.2% | 8.2 |
| 31 Jul 2026 | 43,619,761 | 26.7% | 22.1 |
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