Quanterix Corp (NASDAQ:QTRX) has 128 institutional investors that have filed 13F reports for the period ending December 2025.
| Owner Name | Date | Shares Held | Change (QoQ) | Change (%) | Value (USD) |
|---|---|---|---|---|---|
| Ameriprise Financial Inc | 31 Dec, 2025 | 4,996,073 | 752,561 | 17.73% | $31,775,037.00 |
| Portolan Capital Management, LLC | 31 Dec, 2025 | 4,525,553 | 265,702 | 6.24% | $28,782,517.00 |
| Ameriprise Financial Inc | 31 Dec, 2025 | 3,542,374 | -1,453,699 | -29.10% | $12,469,155.00 |
| BlackRock, Inc. | 31 Dec, 2025 | 3,375,910 | 262,930 | 8.45% | $21,470,788.00 |
| BlackRock, Inc. | 31 Dec, 2025 | 3,277,595 | -98,315 | -2.91% | $11,537,134.00 |
| Portolan Capital Management, LLC | 31 Dec, 2025 | 2,945,823 | -1,579,730 | -34.91% | $10,369,297.00 |
| VANGUARD GROUP INC | 31 Dec, 2025 | 2,677,833 | 30,318 | 1.15% | $17,031,018.00 |
| First Eagle Investment Management, LLC | 31 Dec, 2025 | 2,600,174 | 2,068,747 | 389.28% | $9,152,612.00 |
| Blue Water Life Science Advisors, LP | 31 Dec, 2025 | 2,142,147 | 2,142,147 | 0.00% | $7,540,357.00 |
| WILLIAM BLAIR INVESTMENT MANAGEMENT, LLC | 31 Dec, 2025 | 2,083,699 | 37,250 | 1.82% | $7,334,620.00 |
| WILLIAM BLAIR INVESTMENT MANAGEMENT, LLC | 31 Dec, 2025 | 2,046,449 | 731,169 | 55.59% | $13,015,416.00 |
| Invenomic Capital Management LP | 31 Dec, 2025 | 1,932,386 | 427,178 | 28.38% | $6,801,999.00 |
| VANGUARD CAPITAL MANAGEMENT LLC | 31 Dec, 2025 | 1,784,613 | 1,784,613 | 0.00% | $6,281,838.00 |
| Invenomic Capital Management LP | 31 Dec, 2025 | 1,505,208 | 112,203 | 8.05% | $9,573,123.00 |
| LEVIN CAPITAL STRATEGIES, L.P. | 31 Dec, 2025 | 1,464,052 | 1,464,052 | 0.00% | $5,153,463.00 |
| GEODE CAPITAL MANAGEMENT, LLC | 31 Dec, 2025 | 1,073,967 | 62,077 | 6.13% | $6,832,078.00 |
| GEODE CAPITAL MANAGEMENT, LLC | 31 Dec, 2025 | 994,764 | -79,203 | -7.37% | $3,502,527.00 |
| State Street Corp | 31 Dec, 2025 | 898,277 | 4,876 | 0.55% | $3,161,935.00 |
| State Street Corp | 31 Dec, 2025 | 893,401 | 73,867 | 9.01% | $5,682,030.00 |
| Morgan Stanley | 31 Dec, 2025 | 822,998 | 16,735 | 2.08% | $5,234,270.00 |