$STX
Seagate Technology Holdings PLC Ordinary Shares (Ireland)
XNAS•Technology•Computer Storage Devices
Why is STX down today? It is at $830.11 (-0.90%), and our scanner flagged it 278 times on unusual volume this month. See the catalyst behind the move, real-time alerts the moment STX spikes, and full due diligence on STX — key stats, earnings, dilution and insider activity. Free.
Get free $STX alerts the moment volume spikes
Our scanner flagged $STX 278 times in the last 30 days. Create a free account to track $STX, build a watchlist, and get instant unusual-volume alerts — plus 5 free premium days, no card needed.
No card · 5 premium days · join 800+ traders
Key Stats
- Price
- $830.11
- Change today
- -0.90%
- Previous close
- $837.66
- 52-week range
- $144.75 – $1145.00
- Market cap
- $187.83B
- Dividend yield
- 0.35% ($2.96)
- Institutional own.
- 97.99%
- Total held
- 98.0%
- Tradeable float
- 4.5M 2% of shares · after <1% insiders + 98% institutions
- Short interest
- 7.3M ▲ +12% vs prior · as of 2026-07-15
- Days to cover
- 1.7d
- Avg daily volume
- 4.3M
- Sector
- Technology
- Industry
- Computer Storage Devices
- Exchange
- XNAS
- 5m
- 1.3x
- 15m
- 1.1x
- 1h
- 0.7x
- 1D
- 0.1x
Get free STX + market alerts in your inbox
The top plays and unusual-volume catches our scanner flags, emailed to you. No account needed.
No spam. Unsubscribe anytime. Not investment advice.
Why is $STX down today?
STX is one of today's most active names, trading on unusually heavy volume (live price and day move above). Our scanner has fired 3 unusual-volume and momentum alerts on STX today, peaking at 8.6x its normal volume.
Likely catalystAnnual report (10-K), from the latest SEC filing. Read it →Analyst data via Nasdaq. Not investment advice.
Smart money in $STX
All smart money →- FAFisher Asset Management (Fisher) increased its positionAs of Q2 2026 holdings · filed Aug 4, 2026$1M13F-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
Insiders selling0 buys, 29 sells last 3 months (0/122 over 12 months)Show 12 recent transactionsMinimize 12 recent transactions
| Insider | Action | Shares | % of position | Owns after | Value | Date |
|---|---|---|---|---|---|---|
Mosley William D Officer | Sold (automatic/other) | -13K | sold 4.0% | 313K | $10.1M at $783.84 | Aug 3, 26 |
Mosley William D Officer | Other | 14K | added 4.5% | 326K | $647K at $46.23 | Aug 3, 26 |
Mosley William D Officer | Sold (automatic/other) | -400 | sold 0.1% | 312K | $328K at $819.41 | Aug 3, 26 |
Mosley William D Officer | Sold (automatic/other) | -17K | sold 5.3% | 296K | $13.7M at $820.35 | Aug 3, 26 |
Morris John Christopher Officer | Sold (automatic/other) | -168 | sold 1.4% | 12K | $137K at $817.76 | Aug 3, 26 |
Lee James Ci Officer | Sold (automatic/other) | -694 | sold 67% | 347 | $609K at $877.45 | Jul 30, 26 |
Lee James Ci Officer | Sold (automatic/other) | -542 | sold 35% | 1K | $491K at $905.01 | Jul 23, 26 |
Lee James Ci Officer | Other | 1K | added 100% | 2K | n/a | Jul 22, 26 |
Mosley William D Officer | Sold (automatic/other) | -21K | sold 6.0% | 321K | $18.3M at $887.97 | Jul 1, 26 |
Mosley William D Officer | Other | 14K | added 4.3% | 342K | $647K at $46.23 | Jul 1, 26 |
Mosley William D Officer | Sold (automatic/other) | -1K | sold 0.5% | 319K | $1.4M at $919.64 | Jul 1, 26 |
Mosley William D Officer | Sold (automatic/other) | -8K | sold 2.5% | 312K | $7.2M at $920.57 | Jul 1, 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.
$STX Sentiment
BullishBlend of news sentiment, today’s move, and community votes. Not investment advice.
$STX Activity
News, unusual-volume alerts, AI-trader trades and community chatter — the whole story, newest first.






Stocks similar to STX
Comparable names in computer storage devices, closest in size first.
STX is in these themes
Curated groups STX belongs to. Tap one to see every member with today's move and why the group is moving.
STX stock FAQ
Why is $STX down today?
STX is one of today's most active names, trading on unusually heavy volume (live price and day move above). Our scanner has fired 3 unusual-volume and momentum alerts on STX today, peaking at 8.6x its normal volume.
What is the STX stock price today?
STX last traded at $830.11, down 0.90% on the day. The price and chart above update live during market hours (4 AM to 8 PM ET).
Does STX pay a dividend?
Yes. STX currently has a dividend yield of about 0.35% ($2.96 per share per year). Dividend figures can change; this is not investment advice.
Where can I see live STX alerts?
The STX 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 STX 278 times in the last 30 days.
What exchange is STX on?
STX (Seagate Technology Holdings PLC Ordinary Shares (Ireland)) trades on XNAS, with a market cap of about $187.83B in the COMPUTER STORAGE DEVICES sector.
Is STX 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 STX for yourself. This is not investment advice.
Live data from TheDesperateTrader scanner. Not investment advice.