Quanterix Corp (NASDAQ:QTRX) showed up in the 13F filings of 126 institutional investors as of March 2026.
| Owner Name | Date | Shares Held | Change (QoQ) | Change (%) | Value (USD) |
|---|---|---|---|---|---|
| Ameriprise Financial Inc | 31 Mar, 2026 | 3,542,374 | -1,453,699 | -29.10% | $12,469,155.00 |
| BlackRock, Inc. | 31 Mar, 2026 | 3,277,595 | -98,315 | -2.91% | $11,537,134.00 |
| Portolan Capital Management, LLC | 31 Mar, 2026 | 2,945,823 | -1,579,730 | -34.91% | $10,369,297.00 |
| First Eagle Investment Management, LLC | 31 Mar, 2026 | 2,600,174 | 2,068,747 | 389.28% | $9,152,612.00 |
| Blue Water Life Science Advisors, LP | 31 Mar, 2026 | 2,142,147 | 2,142,147 | 0.00% | $7,540,357.00 |
| WILLIAM BLAIR INVESTMENT MANAGEMENT, LLC | 31 Mar, 2026 | 2,083,699 | 37,250 | 1.82% | $7,334,620.00 |
| Invenomic Capital Management LP | 31 Mar, 2026 | 1,932,386 | 427,178 | 28.38% | $6,801,999.00 |
| VANGUARD CAPITAL MANAGEMENT LLC | 31 Mar, 2026 | 1,784,613 | 1,784,613 | 0.00% | $6,281,838.00 |
| LEVIN CAPITAL STRATEGIES, L.P. | 31 Mar, 2026 | 1,464,052 | 1,464,052 | 0.00% | $5,153,463.00 |
| GEODE CAPITAL MANAGEMENT, LLC | 31 Mar, 2026 | 994,764 | -79,203 | -7.37% | $3,502,527.00 |
| Trium Capital LLP | 31 Mar, 2026 | 994,217 | 176,766 | 21.62% | $3,499,644.00 |
| State Street Corp | 31 Mar, 2026 | 898,277 | 4,876 | 0.55% | $3,161,935.00 |
| Empire Financial Management Company, LLC | 31 Mar, 2026 | 736,068 | 118,238 | 19.14% | $2,590,959.00 |
| MILLENNIUM MANAGEMENT LLC | 31 Mar, 2026 | 689,167 | 286,536 | 71.17% | $2,425,868.00 |
| ENVESTNET ASSET MANAGEMENT INC | 31 Mar, 2026 | 682,711 | 430,500 | 170.69% | $2,403,143.00 |
| Russell Investments Group, Ltd. | 31 Mar, 2026 | 641,981 | 385,841 | 150.64% | $2,259,773.00 |
| MARSHALL WACE, LLP | 31 Mar, 2026 | 622,380 | 467,211 | 301.10% | $2,190,778.00 |
| Williams Jones Wealth Management, LLC. | 31 Mar, 2026 | 613,439 | -25,500 | -3.99% | $2,159,305.00 |
| Morgan Stanley | 31 Mar, 2026 | 607,856 | -215,142 | -26.14% | $2,139,655.00 |
| VANGUARD PORTFOLIO MANAGEMENT LLC | 31 Mar, 2026 | 576,600 | 576,600 | 0.00% | $2,029,632.00 |