QTRX at a glance
Quanterix Corp (QTRX, SEC CIK 1503274) filed its latest 10-K annual report on March 2, 2026, a 10-Q quarterly report on August 10, 2026, an 8-K current report on August 10, 2026 and Form 4 insider filings as recently as October 2, 2026. SignalX summarizes each filing with AI and tracks the company's insider trades and institutional holders.
- For the fiscal year ended December 31, 2025 (FY2025), Quanterix Corp (QTRX) reported revenue of $138.9 million (up 1.1% from FY2024) and a net loss of $107.2 million. Diluted EPS was -$2.51.
- As of June 30, 2026, 23 institutional investment managers tracked by SignalX reported holding Quanterix Corp (QTRX) shares worth $50.5 million in 13F-HR filings.
- In the last 90 days, QTRX insiders reported 2 open-market purchases ($286K) and 0 open-market sales ($0) on Form 4, a net purchase of $286K.
Source: SEC EDGAR (XBRL financial data, 13F-HR and Form 4 filings).
- Revenue · FY2025
- $138.9M
- +1.1% vs prior year
- Insiders · 90 days
- 2 buys · 0 sells
- Net +$286K
- 13F holders
- 23 funds
- $50.5M · −1 vs prior quarter
- Latest 8-K
- Aug 10, 2026
- Item 2.02 · Item 7.01
AI 10-Q Quarterly Report Analysis
Latest 10-Q, quarter ended Jun 30, 2026
Risk Factors
- No material risk-factor changes from the Form 10-K
- No newly added risk factor or triggering event disclosed this quarter
- Regulatory and compliance risks remain as previously described in the Form 10-K
- Operational, competitive, market, and financial risks remain unchanged from the Form 10-K
AI summary of the QTRX 10-Q filed . Generated from the filing text; verify against the original.View on SEC EDGAR10-K vs 10-Q vs 8-K
AI 8-K Current Report Analysis
The most recent material events, by 8-K item
Item 2.02: Results of Operations and Financial Condition
- Q2 fiscal 2026 results for quarter ended June 30, 2026
- Earnings Release issued August 10, 2026
Item 7.01: Regulation FD Disclosure
- Earnings-call slides furnished as Exhibit 99.2 for August 10, 2026
- Jim Gute appointed Chief Commercial Officer, signaling a commercial leadership change
Item EX-99.1: Item EX-99.1
- Q2 revenue $32.9M, up 34% YoY, but below expectations, prompting commercial reorganization and leadership changes
- 2026 revenue outlook cut to $142–148M from $169–174M, signaling continued academic and pharmaceutical market softness
Item 5.07: Submission of Matters to a Vote of Security Holders
- Stockholders re-elected William P. Donnelly and Ivana Magovčević-Liebisch as independent directors through 2027
- Executive compensation received advisory approval, with 27,679,636 votes for and 3,881,516 against
Item 7.01: Regulation FD Disclosure
- Appointment of Mr. Faessler as Chief Financial Officer and Treasurer
- Finance leadership change potentially affecting capital allocation, reporting, and investor communications
Item 5.02: Departure/Appointment of Directors or Principal Officers
- Jason Faessler appointed CFO and Treasurer, starting June 22, 2026, bringing global FP&A and operational finance experience
- Annual base salary $475,000, $200,000 cash sign-on bonus, and annual bonus target up to 50% of base salary
AI summaries of QTRX 8-K current reports filed with the SEC. What 8-K item codes mean
SignalX for QTRX
Don't miss the next QTRX filing
- Alerts as it files. A push when QTRX files an 8-K or an insider trades.
- Fund moves. Which tracked funds opened, added or cut QTRX, by share count.
- Ask anything. An AI agent that reads every QTRX filing and answers with sources.
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Recent Insider Transactions (Form 4)
Latest reported trades by officers, directors and 10% owners
| Insider | Type | Date | Shares | Price |
|---|---|---|---|---|
| Magovcevic-Liebisch Ivana | M | Oct 2, 2026 | 4,224 | - |
| Magovcevic-Liebisch Ivana | M | Oct 2, 2026 | 4,224 | - |
| DONNELLY WILLIAM P | A | Oct 1, 2026 | 6,964 | $3.41 |
| Mendel Scott | A | Oct 1, 2026 | 4,398 | $3.41 |
| Miller Michael Francis | F | Sep 15, 2026 | 25 | $2.72 |
| Miller Michael Francis | M | Sep 15, 2026 | 81 | - |
| Miller Michael Francis | F | Sep 15, 2026 | 41 | $2.72 |
| Miller Michael Francis | M | Sep 15, 2026 | 136 | - |
Financial SummaryXBRL
| Metric | FY2023 | FY2024 | FY2025 |
|---|---|---|---|
| Profitability | |||
| Revenue | - | $137.4M | $138.9M |
| Gross Profit | - | $83.1M | $65.0M |
| Operating Income | - | -$52.6M | -$125.5M |
| Net Income | - | -$38.5M | -$107.2M |
| Gross Margin | - | 60.5% | 46.8% |
| Op. Margin | - | -38.3% | -90.4% |
| Net Margin | - | -28.0% | -77.1% |
| Balance Sheet | |||
| Total Assets | $425.0M | $406.5M | $418.8M |
| Equity | $346.9M | $330.0M | $295.7M |
| ROE | - | -11.7% | -36.2% |
| Per Share | |||
| EPS | - | $-1.00 | $-2.51 |
| Cash Flow | |||
| Operating CF | - | -$35.2M | -$77.2M |
| CapEx | - | $3.4M | $2.6M |
Source: XBRL data in Quanterix Corp (QTRX)'s 10-K filings on SEC EDGAR, in USD. Compare across companies →
13F Fund Holdings: Quarterly Trend
Latest: Q2 2026Aggregate QTRX share value held by 13F filers tracked by SignalX, by quarter.
Quarterly totals table
| Quarter | Funds | Total value |
|---|---|---|
| Q2 2026 | 23 | $50.5M |
| Q1 2026 | 24 | $47.3M |
| Q4 2025 | 24 | $98.7M |
| Q3 2025 | 22 | $86.8M |
| Q2 2025 | 23 | $94.1M |
| Q1 2025 | 22 | $69.3M |
| Q4 2024 | 19 | $112.0M |
| Q3 2024 | 15 | $84.2M |
- AQR Capital Management+1.26M (+1496%)
- BlackRock+357.8K (+11%)
- Citadel Advisors LLC+168.7K (+277%)
- Invesco Ltd+44.7K (+38%)
- State Street Corp+34.0K (+4%)
- Ameriprise Financial−2.55M (-72%)
- Millennium Management−648.5K (-94%)
- Morgan Stanley−160.2K (-26%)
- Vanguard Portfolio Management LLC−87.0K (-15%)
- Goldman Sachs Group−58.1K (-22%)
- D.E. Shaw & Co+17.7K
- Renaissance Technologies LLC−136.2K
- Two Sigma Investments−35.2K
Source: 13F-HR filings on SEC EDGAR (aggregated from 172 fund-quarter rows). Reflects only 13F filers tracked by SignalX, not the full institutional ownership universe. How 13F filings work
QTRX filing archive
AI analysis pages for each 10-K, 10-Q and 8-K
10-Q quarterly reports
Latest 2026 SEC Filings: 10-K, 10-Q, 8-K & Form 4
| Form | Filing date | Period | Analysis | SEC |
|---|---|---|---|---|
| 4 | Oct 2, 2026 | - | - | - |
| 4 | Oct 2, 2026 | - | - | - |
| 4 | Oct 2, 2026 | - | - | - |
| 4 | Sep 17, 2026 | - | - | - |
| 4 | Sep 16, 2026 | - | - | - |
| 4 | Sep 1, 2026 | - | - | - |
| 4 | Aug 20, 2026 | - | - | - |
| 4 | Aug 19, 2026 | - | - | - |
| 4 | Aug 17, 2026 | - | - | - |
| 4 | Aug 14, 2026 | - | - | - |
| 10-Q | Aug 10, 2026 | Jun 30, 2026 | Analysis | |
| 8-K | Aug 10, 2026 | - | Analysis | - |
| SC 13G | Aug 6, 2026 | - | - | |
| 4 | Aug 4, 2026 | - | - | - |
| 4 | Jul 16, 2026 | - | - | - |
| 4 | Jul 16, 2026 | - | - | - |
| 4 | Jul 9, 2026 | - | - | - |
| 4 | Jul 9, 2026 | - | - | - |
| 4 | Jul 2, 2026 | - | - | - |
| 4 | Jul 2, 2026 | - | - | - |
| 4 | Jun 23, 2026 | - | - | - |
| 4 | Jun 16, 2026 | - | - | - |
| 4 | Jun 12, 2026 | - | - | - |
| 8-K | Jun 10, 2026 | - | Analysis | |
| 8-K | Jun 9, 2026 | - | Analysis |
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QTRX SEC filings: frequently asked questions
Are QTRX insiders buying or selling?
In the last 90 days, Quanterix Corp (QTRX) officers, directors and 10% owners reported 2 open-market purchases worth $286,354 by 1 insider and no open-market sales on Form 4. Many insider sales are pre-planned or for taxes, so purchases usually carry more information.
Which institutions hold QTRX stock?
As of June 30, 2026, the largest Quanterix Corp (QTRX) holders among the 13F filers tracked by SignalX were BlackRock ($15.7 million), Vanguard Capital Management LLC ($7.8 million), AQR Capital Management ($5.8 million), Ameriprise Financial ($4.3 million), State Street Corp ($4.0 million). 13F-HR reports are filed up to 45 days after each quarter ends.
What was QTRX's revenue in fiscal year 2025?
For the fiscal year ended December 31, 2025 (FY2025), Quanterix Corp (QTRX) reported revenue of $138.9 million (up 1.1% from FY2024) and a net loss of $107.2 million. Diluted EPS was -$2.51. The figures come from the XBRL data in the 10-K.
What did QTRX report in its latest 8-K?
Quanterix Corp (QTRX) filed an 8-K on August 10, 2026 reporting Item 2.02 (Results of Operations and Financial Condition) and Item 7.01 (Regulation FD Disclosure). Q2 fiscal 2026 results for quarter ended June 30, 2026.
What are the latest QTRX SEC filings?
Quanterix Corp (QTRX) filed its latest 10-K annual report on March 2, 2026, a 10-Q quarterly report on August 10, 2026, an 8-K current report on August 10, 2026 and a Form 4 insider filing on October 2, 2026.
What is QTRX's SEC CIK number?
Quanterix Corp (QTRX)'s SEC Central Index Key (CIK) is 1503274. EDGAR lists every QTRX filing under that number.
Ask anything about QTRX
The research agent reads QTRX's filings, financials, insider trades and 13F holders, then answers with sources.