$TECX
Tectonic Therapeutic, Inc. Common Stock
XNAS
Why is TECX up today? It is at $30.08 (+1.76%), and our scanner flagged it 9 times on unusual volume this month. See the catalyst behind the move, real-time alerts the moment TECX spikes, and full due diligence on TECX — key stats, earnings, dilution and insider activity. Free.
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Key Stats
- Price
- $30.08
- Change today
- +1.76%
- Previous close
- $29.56
- 52-week range
- $14.38 – $39.53
- Market cap
- $558M
- Institutional own.
- 77.00%
- Total held
- 100.0%
- Short interest
- 1.9M ▼ -9% vs prior · as of 2026-07-15
- Days to cover
- 7.6d
- Avg daily volume
- 352K
- Exchange
- XNAS
- 5m
- 1.3x
- 15m
- 1.2x
- 1h
- 0.9x
- 1D
- 0.0x
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Why is $TECX up today?
Here is the latest on TECX from our scanner (live price and day move above). We have not detected an unusual-volume catalyst for TECX today, so it is trading in line with its recent range. The moment our scanner flags unusual activity, the reason will appear here.
Analyst data via Nasdaq. Not investment advice.
Smart money in $TECX
All smart money →- FAFisher Asset Management (Fisher) opened a new positionAs of Q2 2026 holdings · filed Aug 4, 2026$657K13F-HR ↗
From SEC 13F quarterly holdings (position as of quarter-end, not a transaction date or price) and dated 13D/13G stake filings. Not investment advice.
Insiders
0 buys, 2 sells last 3 months (12/13 over 12 months)Show 12 recent transactionsMinimize 12 recent transactions
| Insider | Action | Shares | % of position | Owns after | Value | Date |
|---|---|---|---|---|---|---|
Mcnamara Peter Officer | Sold (automatic/other) | -172 | sold 0.3% | 55K | $6K at $35.00 | Jun 30, 26 |
Mcnamara Peter Officer | Other | 172 | added 0.3% | 55K | $3K at $14.71 | Jun 30, 26 |
Reicin Alise Officer | Sold (automatic/other) | -924 | sold 0.3% | 311K | $28K at $30.34 | Jun 20, 26 |
Ruddy Marcella K. Officer | Sold (automatic/other) | -1K | sold 1.5% | 68K | $32K at $30.00 | May 4, 26 |
Ruddy Marcella K. Officer | Sold (automatic/other) | -1K | sold 1.4% | 69K | $31K at $31.05 | Apr 1, 26 |
Mcnamara Peter Officer | Sold (automatic/other) | -6K 0.03% of company | sold 10% | 55K | $188K at $30.00 | Mar 6, 26 |
Mcnamara Peter Officer | Other | 3K 0.01% of company | added 4.6% | 62K | $6K at $2.38 | Mar 6, 26 |
Ruddy Marcella K. Officer | Sold (automatic/other) | -10K 0.05% of company | sold 13% | 70K | $300K at $30.00 | Mar 6, 26 |
Ruddy Marcella K. Officer | Acquired (grant/award) | +27K 0.1% of company | added 50% | 80K | n/a | Mar 4, 26 |
Lochner Daniel Officer | Acquired (grant/award) | +27K 0.1% of company | added 83% | 59K | n/a | Mar 4, 26 |
Mcnamara Peter Officer | Acquired (grant/award) | +23K 0.1% of company | added 61% | 60K | n/a | Mar 4, 26 |
Mcnamara Peter Officer | Sold (automatic/other) | -2K | sold 2.7% | 59K | $41K at $25.00 | Mar 4, 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.
$TECX Sentiment
BullishBlend of news sentiment, today’s move, and community votes. Not investment advice.
$TECX Activity
News, unusual-volume alerts, AI-trader trades and community chatter — the whole story, newest first.

TECX stock FAQ
Why is $TECX up today?
Here is the latest on TECX from our scanner (live price and day move above). We have not detected an unusual-volume catalyst for TECX 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 TECX stock price today?
TECX last traded at $30.08, up 1.76% on the day. The price and chart above update live during market hours (4 AM to 8 PM ET).
Where can I see live TECX alerts?
The TECX 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 TECX 9 times in the last 30 days.
What exchange is TECX on?
TECX (Tectonic Therapeutic, Inc. Common Stock) trades on XNAS, with a market cap of about $558M.
Is TECX 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 TECX for yourself. This is not investment advice.
Live data from TheDesperateTrader scanner. Not investment advice.