Who Owns QUANTERIX CORP (QTRX)? -- Institutional Holders (2026-06-30)
163 institutions reported holding $129.8M of QUANTERIX CORP (QTRX) in SEC 13F filings for 2026-06-30. Largest institutional holders: BlackRock, Inc. ($15.7M), Blue Water Life Science Advisors, LP ($15.0M), First Eagle Investment Management, LLC ($11.9M), VANGUARD GROUP INC ($11.2M), Portolan Capital Management, LLC ($8.2M). Source: SEC Form 13F.
| Rank | Institution | Value | Shares | Change |
|---|
| 1 | BlackRock, Inc. | $15.7M | 3.6M | Added |
| 2 | Blue Water Life Science Advisors, LP | $15.0M | 3.5M | Added |
| 3 | First Eagle Investment Management, LLC | $11.9M | 2.8M | Added |
| 4 | VANGUARD GROUP INC | $11.2M | 2.6M | Trimmed |
| 5 | Portolan Capital Management, LLC | $8.2M | 1.9M | Trimmed |
| 6 | Lionhunter Capital Management, LLC | $6.5M | 1.5M | New |
| 7 | AQR CAPITAL MANAGEMENT LLC | $5.8M | 1.3M | Added |
| 8 | GEODE CAPITAL MANAGEMENT, LLC | $4.9M | 1.1M | Added |
| 9 | AMERIPRISE FINANCIAL INC | $4.3M | 987,424 | Trimmed |
| 10 | MARSHALL WACE, LLP | $4.2M | 973,872 | Added |
| 11 | STATE STREET CORP | $4.0M | 932,307 | Added |
| 12 | Tikvah Management LLC | $2.5M | 571,555 | Trimmed |
| 13 | JACOBS LEVY EQUITY MANAGEMENT, INC | $2.1M | 487,600 | New |
| 14 | MORGAN STANLEY | $1.9M | 447,688 | Trimmed |
| 15 | JANE STREET GROUP, LLC | $1.9M | 433,350 | Added |
| 16 | GSA CAPITAL PARTNERS LLP | $1.8M | 410,252 | Added |
| 17 | TUDOR INVESTMENT CORP ET AL | $1.7M | 400,402 | Added |
| 18 | DIMENSIONAL FUND ADVISORS LP | $1.7M | 397,833 | Trimmed |
| 19 | NORTHERN TRUST CORP | $1.5M | 337,227 | Trimmed |
| 20 | CHARLES SCHWAB INVESTMENT MANAGEMENT INC | $1.3M | 310,701 | Trimmed |
| 21 | Sixth Street Partners Management Company, L.P. | $1.3M | 310,701 | New |
| 22 | UBS Group AG | $1.2M | 281,978 | Trimmed |
| 23 | Balyasny Asset Management L.P. | $1.1M | 260,000 | New |
| 24 | Nuveen, LLC | $1.0M | 232,592 | Added |
| 25 | CITADEL ADVISORS LLC | $992,460 | 229,736 | Added |
Source: SEC Form 13F filings · as of 2026-06-30