Quanterix Corporation
Quanterix Corporation（QTRX）股东结构
基于 13F 申报与流通股数据，展示机构、内部人与公众持股结构；下方为前十大机构、机构动向与内部人交易。
SEC 13F · FMP · QTRX · 截至 2025年9月30日
股东结构概览
130
机构持有人数
▼ 7 vs Q2
$193.73M
机构持仓总市值
▼ $37.61M vs Q2
47.11M
总流通股
freeFloat 81.42%
35.67M
13F 申报持股数
▲ 889,311 vs Q2
机构持仓% = 13F 持股数 ÷ 总流通股。内部人% = 100 − 自由流通率。散户% = 自由流通率 − 机构%。数据来源：FMP /symbol-positions-summary + /shares-float + SEC EDGAR。
前10大机构持仓
QTRX 最大股东 · 机构持仓
Q3 2025 · SEC 13F
显示前 10 家
| 机构 | 持股数 | 占比 | 权重 | 市值 | 申报日 | 变动 |
|---|---|---|---|---|---|---|
PORTOLAN CAPITAL MANAGEMENT, LLC laboratory analytical instruments | 4.26M | 10.95% | 10.95% | $23.13B | Nov 13, 2025 | ▲ 626.2K |
AMERIPRISE FINANCIAL INC laboratory analytical instruments | 4.24M | 10.91% | 10.91% | $23.04B | Nov 14, 2025 | ▲ 6.6K |
BLACKROCK, INC. laboratory analytical instruments | 3.11M | 8.00% | 8.00% | $16.90B | Nov 12, 2025 | ▲ 188.3K |
VANGUARD GROUP INC laboratory analytical instruments | 2.65M | 6.81% | 6.81% | $14.38B | Nov 7, 2025 | ▲ 118.6K |
INVENOMIC CAPITAL MANAGEMENT LP laboratory analytical instruments | 1.39M | 3.58% | 3.58% | $7.56B | Nov 14, 2025 | ▲ 248.1K |
WILLIAM BLAIR INVESTMENT MANAGEMENT, LLC laboratory analytical instruments | 1.32M | 3.38% | 3.38% | $7.14B | Nov 12, 2025 | ▲ 187.3K |
EASTERLY INVESTMENT PARTNERS LLC laboratory analytical instruments | 1.25M | 3.22% | 3.22% | $6.80B | Nov 12, 2025 | ▲ 168.5K |
MILLENNIUM MANAGEMENT LLC laboratory analytical instruments | 1.21M | 3.11% | 3.11% | $6.57B | Nov 14, 2025 | ▲ 1.20M |
GEODE CAPITAL MANAGEMENT, LLC laboratory analytical instruments | 1.01M | 2.60% | 2.60% | $5.50B | Nov 12, 2025 | ▲ 124.8K |
KENT LAKE PR LLC laboratory analytical instruments | 1.00M | 2.57% | 2.57% | $5.44B | Nov 14, 2025 | ▼ 1.30M |
数据来源：SEC 13F 申报文件。变动标识：isNew / isSoldOut / changeInSharesNumber。
机构仓位变动
Q3 2025 对比上季度
Q3 2025
36
增持
+4.94M 股0
新建仓
首次建仓12
减持
−2.36M 股0
清仓
完全退出净股数变化（前50家）
+2.58M
+4.94M / −2.36M
净新增持仓人
+24
新建 0 个 / 退出 0 个
基于前50家最大机构持仓统计，全市场实际数量可能不同。
内幕交易买卖情绪
QTRX 内幕交易记录
数据来源：SEC Form 4
20
买入笔数
36
卖出笔数
0.56
买卖比
$0M
卖出总金额
最近内幕交易记录
最近10条 · 仅普通股
| 姓名 · 职位 | 日期 | 类型 | 股数 | 价格 | 金额 | 交易后持股 | 申报 |
|---|---|---|---|---|---|---|---|
Miller Michael Francis Chief Technology Officer | May 31, 2026 | Tax Withhold | 39 | $3.06 | $119.34 | 33.8K | Form 4 ↗ |
Sriram Vandana Chief Financial Officer | May 15, 2026 | Tax Withhold | 315 | $2.75 | $866.25 | 30.0K | Form 4 ↗ |
Sriram Vandana Chief Financial Officer | May 15, 2026 | Tax Withhold | 154 | $2.75 | $423.5 | 29.3K | Form 4 ↗ |
Sriram Vandana Chief Financial Officer | May 15, 2026 | Tax Withhold | 79 | $2.75 | $217.25 | 28.9K | Form 4 ↗ |
Miller Michael Francis Chief Technology Officer | May 15, 2026 | Tax Withhold | 249 | $2.75 | $684.75 | 33.7K | Form 4 ↗ |
Miller Michael Francis Chief Technology Officer | May 15, 2026 | Tax Withhold | 111 | $2.75 | $305.25 | 33.1K | Form 4 ↗ |
Miller Michael Francis Chief Technology Officer | May 15, 2026 | Tax Withhold | 41 | $2.75 | $112.75 | 32.9K | Form 4 ↗ |
Miller Michael Francis Chief Technology Officer | May 15, 2026 | Tax Withhold | 41 | $2.75 | $112.75 | 32.8K | Form 4 ↗ |
数据来源：SEC Form 4。买卖方向：acquisitionOrDisposition A=买入，D=卖出。已排除 RSU 归属（M-Exempt）。
关于机构与内部人持股结构
Quanterix Corporation（QTRX）主要由机构投资者持有，机构持股比例约为 75.7%。公司内部人员持股约 18.58%，散户及公众持股约占剩余的 5.70%。
Quanterix Corporation 最大机构股东为 PORTOLAN CAPITAL MANAGEMENT, LLC，截至 September 30, 2025 持有约 4.26 million 股，占总流通股的 10.95%。
目前共有 130 家机构持有 QTRX 股票，合计持仓市值约 $193,729,925，数据来源为最新 SEC 13F 申报。
常见问题
QTRX ownershipQuanterix Corporation（QTRX）主要由机构投资者持有，机构持股约 75.7%。最大股东为 PORTOLAN CAPITAL MANAGEMENT, LLC，持股比例 10.95%。内部人员持股约 18.58%。数据来源 SEC Form 13F，截至 September 30, 2025。