$QTRX
Quanterix Corporation Common Stock
XNAS
Why is QTRX up today? It is at $2.65 (+2.62%), and our scanner flagged it 40 times on unusual volume this month. See the catalyst behind the move, real-time alerts the moment QTRX spikes, and full due diligence on QTRX — key stats, earnings, dilution and insider activity. Free.
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Key Stats
- Price
- $2.65
- Change today
- +2.62%
- Previous close
- $2.58
- 52-week range
- $2.15 – $8.77
- Market cap
- $123M
- Institutional own.
- 70.95%
- Total held
- 71.0%
- Tradeable float
- 13.7M 29% of shares · after <1% insiders + 71% institutions
- Short interest
- 4.7M ▲ +5% vs prior · as of 2026-08-14
- Short % of float
- 34.5%
- Days to cover
- 4.3d
- Avg daily volume
- 813K
- Exchange
- XNAS
- 5m
- 0.4x
- 15m
- 0.5x
- 1h
- 0.5x
- 1D
- 0.2x
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Why is $QTRX up today?
QTRX is one of today's most active names, trading on unusually heavy volume (live price and day move above). Our scanner has fired 2 unusual-volume and momentum alerts on QTRX today, peaking at 3.6x its normal volume. A recent catalyst in the news: “Global Multiplex Assays Market 2026 Edition - Consumables Dominate Multiplex Assays with 68% Market Share.” Early read: bullish.
Likely catalystQuanterix Corp: Q2 FY2026 results, three months to Jun 30, 2026, from an SEC filing. Read it →Latest filing4Insider trade (Form 4)Sep 1, 2026 · 2 days agoAnalyst data via Nasdaq. Not investment advice.
Insiders
2 open-market buys4 buys, 7 sells last 3 months (24/32 over 12 months)Show 12 recent transactionsMinimize 12 recent transactions
| Insider | Action | Shares | % of position | Owns after | Value | Date |
|---|---|---|---|---|---|---|
Miller Michael Francis Officer | Sold (automatic/other) | -48 | sold 0.1% | 37K | $128 at $2.67 | Aug 31, 26 |
Miller Michael Francis Officer | Other | 159 | added 0.4% | 37K | n/a | Aug 31, 26 |
Elliott Jeffrey Thomas Director | Other | 4K | added 35% | 15K | n/a | Aug 19, 26 |
Donnelly William P Director | Other | 3K | added 1.8% | 162K | n/a | Aug 17, 26 |
Miller Michael Francis Officer | Sold (automatic/other) | -467 | sold 1.3% | 36K | $1K at $2.59 | Aug 15, 26 |
Miller Michael Francis Officer | Other | 2K | added 4.3% | 37K | n/a | Aug 15, 26 |
Donnelly William P Director | Bought (open market) | +72K 0.2% of company | added 100% | 99K | $212K at $2.93 | Aug 13, 26 |
Donnelly William P Director | Bought (open market) | +27K 0.06% of company | n/a | 27K | $75K at $2.75 | Aug 12, 26 |
Miller Michael Francis Officer | Sold (automatic/other) | -39 | sold 0.1% | 36K | $136 at $3.48 | Jul 31, 26 |
Miller Michael Francis Officer | Other | 130 | added 0.4% | 36K | n/a | Jul 31, 26 |
Miller Michael Francis Officer | Sold (automatic/other) | -467 | sold 1.3% | 35K | $2K at $4.24 | Jul 15, 26 |
Miller Michael Francis Officer | Other | 2K | added 4.5% | 36K | n/a | Jul 15, 26 |
Recent Form-4 filings via Nasdaq. Open-market buys are the signal worth watching. Grants and automatic (10b5-1) sells are routine. “% of position” is the share of that insider’s own holding the trade moved. Not investment advice.
$QTRX Sentiment
BullishBlend of news sentiment, today’s move, and community votes. Not investment advice.
$QTRX Activity
News, unusual-volume alerts, AI-trader trades and community chatter - the whole story, newest first.
QTRX stock FAQ
Why is $QTRX up today?
QTRX is one of today's most active names, trading on unusually heavy volume (live price and day move above). Our scanner has fired 2 unusual-volume and momentum alerts on QTRX today, peaking at 3.6x its normal volume. A recent catalyst in the news: “Global Multiplex Assays Market 2026 Edition - Consumables Dominate Multiplex Assays with 68% Market Share.” Early read: bullish.
What is the QTRX stock price today?
QTRX last traded at $2.65, up 2.62% on the day. The price and chart above update live during market hours (4 AM to 8 PM ET).
Where can I see live QTRX alerts?
The QTRX Live Alerts panel on this page streams real-time unusual volume (RVOL), momentum, halt and 200-EMA alerts from our scanner the moment they fire. Our scanner has flagged QTRX 40 times in the last 30 days.
What exchange is QTRX on?
QTRX (Quanterix Corporation Common Stock) trades on XNAS, with a market cap of about $123M.
Is QTRX good for day trading?
That depends on your strategy and risk. Day traders look for volume, volatility and a clear trend. Use the live chart, RVOL alerts and 200-EMA context on this page to judge QTRX for yourself. This is not investment advice.
Live data from TheDesperateTrader scanner. Not investment advice.