# QUANTERIX CORP COM

QUANTERIX CORP COM is a security (CUSIP 74766Q101) tracked across SEC portfolio filings. 133 institutional managers reported $121.1M on Form 13F as of 2026-06-30; 13 registered fund positions totaling $3.2M via N-PORT as of 2026-05-31.

## Summary

- Issuer: QUANTERIX CORP
- Class: COM
- CUSIP: 74766Q101
- Asset category: EC
- 13F holders: 133
- 13F value: $121.1M
- 13F period: 2026-06-30
- N-PORT fund positions: 13
- N-PORT value: $3.2M
- N-PORT report: 2026-05-31

## Top institutional holders (Form 13F)

_Showing 15 of 133 managers by value._

| Manager | Location | Value | Shares |
| --- | --- | --- | --- |
| [VANGUARD GROUP INC](https://search.stillhousedata.com/firm/105958) | Valley Forge, PA | $17.0M | 2,677,833 |
| [First Eagle Investment Management, LLC](https://search.stillhousedata.com/firm/108260) | NEW YORK, NY | $11.9M | 2,753,165 |
| BlackRock, Inc. | New York, NY | $11.5M | 3,277,595 |
| Portolan Capital Management, LLC | Boston, MA | $10.4M | 2,945,823 |
| [Blue Water Life Science Advisors, LP](https://search.stillhousedata.com/firm/306450) | Larkspur, CA | $7.5M | 2,142,147 |
| [WILLIAM BLAIR INVESTMENT MANAGEMENT, LLC](https://search.stillhousedata.com/firm/173961) | CHICAGO, IL | $7.3M | 2,083,699 |
| [Invenomic Capital Management LP](https://search.stillhousedata.com/firm/287617) | BOSTON, MA | $6.8M | 1,932,386 |
| [Kent Lake PR LLC](https://search.stillhousedata.com/firm/299642) | ANASCO, PR | $5.4M | 1,001,000 |
| [GEODE CAPITAL MANAGEMENT, LLC](https://search.stillhousedata.com/firm/115504) | BOSTON, MA | $3.5M | 994,764 |
| STATE STREET CORP | BOSTON, MA | $3.2M | 898,277 |
| [Empire Financial Management Company, LLC](https://search.stillhousedata.com/firm/146097) | NEW YORK, NY | $2.6M | 736,068 |
| MILLENNIUM MANAGEMENT LLC | NEW YORK, NY | $2.4M | 689,167 |
| [MARSHALL WACE, LLP](https://search.stillhousedata.com/firm/160885) | LONDON, X0 | $2.2M | 622,380 |
| MORGAN STANLEY | NEW YORK, NY | $2.1M | 607,856 |
| Tikvah Management LLC | Charlotte, NC | $2.0M | 571,619 |

## Top fund holders (N-PORT)

| Fund | Registrant | Value | % of fund |
| --- | --- | --- | --- |
| [VANGUARD EXTENDED MARKET INDEX FUND](https://search.stillhousedata.com/fund/S000002841) | VANGUARD INDEX FUNDS | $1.7M | 0.21% |
| [VANGUARD RUSSELL 2000 INDEX FUND](https://search.stillhousedata.com/fund/S000030003) | VANGUARD SCOTTSDALE FUNDS | $652K | 0.37% |
| [Master Small Cap Index Series](https://search.stillhousedata.com/fund/S000002716) | Quantitative Master Series LLC | $267K | 0.55% |
| [U.S. MICRO CAP PORTFOLIO](https://search.stillhousedata.com/fund/S000000948) | DFA INVESTMENT DIMENSIONS GROUP INC | $233K | 0.31% |
| [Dunham Small Cap Growth Fund](https://search.stillhousedata.com/fund/S000020973) | Dunham Funds | $176K | 20.49% |
| [VANGUARD BALANCED INDEX FUND](https://search.stillhousedata.com/fund/S000002560) | VANGUARD VALLEY FORGE FUNDS | $86K | 0.01% |
| [VANGUARD INSTITUTIONAL TOTAL STOCK MARKET INDEX FUND](https://search.stillhousedata.com/fund/S000002855) | VANGUARD INSTITUTIONAL INDEX FUNDS | $74K | 0.02% |
| [Invesco NASDAQ Future Gen 200 ETF](https://search.stillhousedata.com/fund/S000077288) | Invesco Exchange-Traded Fund Trust II | $36K | 18.99% |
| [DWS Small Cap Index VIP](https://search.stillhousedata.com/fund/S000006223) | DEUTSCHE DWS INVESTMENTS VIT FUNDS | $22K | 0.52% |
| [TIAA Separate Account VA-1 - Stock Index Account](https://search.stillhousedata.com/fund/S000005098) | TIAA Separate Account VA-1 | $3K | 0.03% |
| Guggenheim Active Allocation Fund | Guggenheim Active Allocation Fund | $1K | 0.02% |
| [Blackstone Alternative Multi-Strategy Fund](https://search.stillhousedata.com/fund/S000045538) | Blackstone Alternative Investment Funds | $-5K | -0.02% |
| Weiss Strategic Interval Fund | Weiss Strategic Interval Fund | $-39K | -0.76% |

## More

- [This page as markdown (for LLM agents)](https://search.stillhousedata.com/security/74766Q101.md)
- [Search all SEC filings, advisers and people on Adviser Search](https://search.stillhousedata.com/)

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Source: public SEC filing data via Adviser Search (https://search.stillhousedata.com).
Agents: this data is also queryable via MCP tools and read-only SQL — see https://search.stillhousedata.com/llms.txt.