$BLLN
BillionToOne, Inc. Class A Common Stock
XNAS•Health Care•Services-Medical Laboratories
Why is BLLN up today? It is at $95.81 (+4.52%), and our scanner flagged it 72 times on unusual volume this month. See the catalyst behind the move, real-time alerts the moment BLLN spikes, and full due diligence on BLLN — key stats, earnings, dilution and insider activity. Free.
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Key Stats
- Price
- $95.81
- Change today
- +4.52%
- Previous close
- $91.67
- 52-week range
- $61.96 – $150.44
- Market cap
- $4.15B
- Shares outstanding
- 47.2M Live vendor count
- Total held
- 39.3%
- Tradeable float
- 28.6M 61% of shares · after 39% insiders + institutional n/a
- Short interest
- 1.9M ▼ -20% vs prior · as of 2026-07-31
- Short % of float
- 6.7%
- Days to cover
- 3.4d
- Avg daily volume
- 480K
- Sector
- Health Care
- Industry
- Services-Medical Laboratories
- Exchange
- XNAS
- 5m
- 2.4x
- 15m
- 2.4x
- 1h
- 1.0x
- 1D
- 0.3x
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Why is $BLLN up today?
Here is the latest on BLLN from our scanner (live price and day move above). We have not detected an unusual-volume catalyst for BLLN today, so it is trading in line with its recent range. The moment our scanner flags unusual activity, the reason will appear here.
Likely catalystBillionToOne, Inc.: Q2 FY2026 results, three months to Jun 30, 2026, from an SEC filing. Read it →Latest filing4Insider trade (Form 4)Aug 12, 2026 · 7 days agoInsiders
8 buys, 27 sells last 3 months (39/48 over 12 months)Show 12 recent transactionsMinimize 12 recent transactions
| Insider | Action | Shares | % of position | Owns after | Value | Date |
|---|---|---|---|---|---|---|
Tsao David Officer | Sold (automatic/other) | -10K 0.02% of company | sold 91% | 1K | $929K at $92.86 | Aug 10, 26 |
Tsao David Officer | Other | 10K 0.02% of company | added 100% | 11K | $28K at $2.80 | Aug 10, 26 |
Ten Bosch John Roderick Officer | Sold (automatic/other) | -1K | sold 4.8% | 28K | $132K at $92.86 | Aug 10, 26 |
Atay Oguzhan Officer | Sold (automatic/other) | -16K 0.03% of company | n/a | n/a | $2.3M at $150.03 | Aug 5, 26 |
Atay Oguzhan Officer | Other | 16K 0.03% of company | n/a | 16K | $44K at $2.80 | Aug 5, 26 |
Atay Oguzhan Officer | Sold (automatic/other) | -33K 0.07% of company | n/a | n/a | $4.3M at $133.00 | Aug 3, 26 |
Atay Oguzhan Officer | Sold (automatic/other) | -13K 0.03% of company | sold 7.1% | 163K | $1.7M at $137.37 | Aug 3, 26 |
Atay Oguzhan Officer | Other | 33K 0.07% of company | n/a | 33K | $91K at $2.80 | Aug 3, 26 |
Sakakibara Shan Riku Officer | Sold (automatic/other) | -4K | sold 2.0% | 200K | $561K at $140.21 | Jul 31, 26 |
Johnson Nancy Joann Officer | Sold (automatic/other) | -14K 0.03% of company | sold 67% | 7K | $1.8M at $126.98 | Jul 16, 26 |
Tsao David Officer | Sold (automatic/other) | -20K 0.04% of company | sold 95% | 1K | $2.5M at $122.84 | Jul 13, 26 |
Tsao David Officer | Other | 20K 0.04% of company | added 100% | 21K | $56K at $2.80 | Jul 13, 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.
$BLLN Sentiment
BullishBlend of news sentiment, today’s move, and community votes. Not investment advice.
$BLLN Activity
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BLLN stock FAQ
Why is $BLLN up today?
Here is the latest on BLLN from our scanner (live price and day move above). We have not detected an unusual-volume catalyst for BLLN today, so it is trading in line with its recent range. The moment our scanner flags unusual activity, the reason will appear here.
What is the BLLN stock price today?
BLLN last traded at $95.81, up 4.52% on the day. The price and chart above update live during market hours (4 AM to 8 PM ET).
Where can I see live BLLN alerts?
The BLLN 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 BLLN 72 times in the last 30 days.
What exchange is BLLN on?
BLLN (BillionToOne, Inc. Class A Common Stock) trades on XNAS, with a market cap of about $4.15B in the SERVICES-MEDICAL LABORATORIES sector.
Is BLLN 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 BLLN for yourself. This is not investment advice.
Live data from TheDesperateTrader scanner. Not investment advice.