NASDAQ: QTRXQuanterix Corp Stock Ownership - Who owns Quanterix?
Insider buying vs selling
Have Quanterix Corp insiders been buying or selling?
Buy
Sell
| Name | Role | Date | Shares | Price | Value |
|---|---|---|---|---|---|
| Vandana Sriram | Chief Financial Officer | 2025-09-12 | 4,150 | $4.79 | $19.88kBuy |
| Masoud Toloue | President CEO | 2025-08-31 | 254 | $4.55 | $1.16kSell |
| Vandana Sriram | Chief Financial Officer | 2025-08-15 | 229 | $4.57 | $1.05kSell |
| Masoud Toloue | President CEO | 2025-08-15 | 1,242 | $4.57 | $5.68kSell |
| Masoud Toloue | President CEO | 2025-07-31 | 254 | $5.94 | $1.51kSell |
| Vandana Sriram | Chief Financial Officer | 2025-07-15 | 229 | $5.49 | $1.26kSell |
| Masoud Toloue | President CEO | 2025-07-15 | 1,242 | $5.49 | $6.82kSell |
| William P. Donnelly | Director | 2025-07-01 | 4,204 | $6.69 | $28.12kBuy |
| Sarah E. Hlavinka | Director | 2025-07-01 | 2,615 | $6.69 | $17.49kBuy |
| David R. Walt | Director | 2025-07-01 | 2,148 | $6.69 | $14.37kBuy |
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Net Insider Buy/Sell (L12M) Ownership
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QTRX Shareholders
What type of owners hold Quanterix Corp stock?
Institutional
Insider
Retail
| Name | Hold | Shares | Value | Type |
|---|---|---|---|---|
| Keith Crandell | 16.72% | 6,492,922 | $34.28M | Insider |
| Ameriprise Financial Inc | 10.91% | 4,236,877 | $22.37M | Institution |
| Portolan Capital Management LLC | 9.36% | 3,633,622 | $19.19M | Institution |
| Blackrock Inc | 7.53% | 2,924,699 | $15.44M | Institution |
| Vanguard Group Inc | 6.51% | 2,528,950 | $13.35M | Institution |
| Kent Lake Pr LLC | 5.93% | 2,301,000 | $12.15M | Institution |
| Bain Capital Venture Investors LLC | 5.50% | 2,136,085 | $11.28M | Insider |
| Biomerieux | 5.29% | 2,055,632 | $10.85M | Insider |
| Flagship Ventures Fund 2004 L P | 5.23% | 2,030,495 | $10.72M | Insider |
| David R. Walt | 4.81% | 1,869,081 | $9.87M | Insider |
QTRX vs Medical Device Stocks
Quanterix Stock Ownership FAQ
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Information is provided 'as-is' and solely for informational purposes and is not advice. WallStreetZen does not bear any responsibility for any losses or damage that may occur as a result of reliance on this data.