$KLAC
KLA Corporation Common Stock
XNAS•Technology•Optical Instruments & Lenses
Why is KLAC down today? It is at $185.92 (-0.72%), and our scanner flagged it 445 times on unusual volume this month. See the catalyst behind the move, real-time alerts the moment KLAC spikes, and full due diligence on KLAC — key stats, earnings, dilution and insider activity. Free.
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Key Stats
- Price
- $185.92
- Change today
- -0.72%
- Previous close
- $187.27
- 52-week range
- $83.22 – $307.37
- Market cap
- $254.50B
- P/E ratio
- 8.4
- Dividend yield
- 0.49% ($0.92)
- Institutional own.
- 99.9%
- Total held
- 100.0%
- Tradeable float
- 102K 0% of shares · after <1% insiders + 100% institutions
- Short interest
- 27.0M ▼ -3% vs prior · as of 2026-07-31
- Days to cover
- 2.1d
- Avg daily volume
- 10.9M
- Sector
- Technology
- Industry
- Optical Instruments & Lenses
- Exchange
- XNAS
- 5m
- 0.0x
- 15m
- 0.1x
- 1h
- 0.1x
- 1D
- 0.1x
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Why is $KLAC down today?
KLAC is one of today's most active names, trading on unusually heavy volume (live price and day move above). Our scanner has fired 7 unusual-volume and momentum alerts on KLAC today, peaking at 10.4x its normal volume.
Smart money in $KLAC
All smart money →- CACitadel Advisors (Griffin) increased its positionAs of Q2 2026 holdings · filed Aug 14, 2026$767M13F-HR ↗
- ACAQR Capital Management (Asness) increased its positionAs of Q2 2026 holdings · filed Aug 14, 2026$572M13F-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
16 buys, 51 sells last 3 months (26/60 over 12 months)Show 12 recent transactionsMinimize 12 recent transactions
| Insider | Action | Shares | % of position | Owns after | Value | Date |
|---|---|---|---|---|---|---|
Lorig Brian Officer | Sold (automatic/other) | -60K | sold 43% | 78K | $12.4M at $208.13 | Aug 13, 26 |
Higgins Bren D. Officer | Sold (automatic/other) | -32K | sold 9.3% | 308K | $6.6M at $209.87 | Aug 12, 26 |
Wallace Richard P Officer | Sold (automatic/other) | -88K | sold 10% | 779K | $17.4M at $198.95 | Aug 11, 26 |
Khan Ahmad A. Officer | Sold (automatic/other) | -33K | sold 12% | 238K | $6.6M at $198.95 | Aug 11, 26 |
Wilkinson Mary Beth Officer | Sold (automatic/other) | -2K | sold 4.3% | 37K | $340K at $204.56 | Aug 10, 26 |
Kirloskar Virendra A Officer | Sold (automatic/other) | -529 | sold 3.8% | 13K | $108K at $204.56 | Aug 10, 26 |
Kirloskar Virendra A Officer | Sold (automatic/other) | -521 | sold 3.1% | 16K | $101K at $193.22 | Aug 7, 26 |
Kirloskar Virendra A Officer | Sold (automatic/other) | -2K | sold 15% | 14K | $475K at $197.57 | Aug 7, 26 |
Higgins Bren D. Officer | Sold (automatic/other) | -5K | sold 1.3% | 339K | $876K at $193.22 | Aug 7, 26 |
Lorig Brian Officer | Sold (automatic/other) | -3K | sold 2.1% | 137K | $556K at $193.22 | Aug 7, 26 |
Wilkinson Mary Beth Officer | Sold (automatic/other) | -1K | sold 2.0% | 61K | $233K at $193.22 | Aug 7, 26 |
Wilkinson Mary Beth Officer | Sold (automatic/other) | -22K | sold 36% | 39K | $4.3M at $197.57 | Aug 7, 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.
Dilution watch
UnavailableWe could not reach SEC EDGAR, so the dilution check did not run for $KLAC. This is not a clean result: there may be an offering, a registration or a shelf on file that we were unable to read. Check it yourself on SEC EDGAR before trading it.
$KLAC Sentiment
BullishBlend of news sentiment, today’s move, and community votes. Not investment advice.
$KLAC Activity
News, unusual-volume alerts, AI-trader trades and community chatter - the whole story, newest first.



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KLAC stock FAQ
Why is $KLAC down today?
KLAC is one of today's most active names, trading on unusually heavy volume (live price and day move above). Our scanner has fired 7 unusual-volume and momentum alerts on KLAC today, peaking at 10.4x its normal volume.
What is the KLAC stock price today?
KLAC last traded at $185.92, down 0.72% on the day. The price and chart above update live during market hours (4 AM to 8 PM ET).
Does KLAC pay a dividend?
Yes. KLAC currently has a dividend yield of about 0.49% ($0.92 per share per year). Dividend figures can change; this is not investment advice.
Where can I see live KLAC alerts?
The KLAC 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 KLAC 445 times in the last 30 days.
What exchange is KLAC on?
KLAC (KLA Corporation Common Stock) trades on XNAS, with a market cap of about $254.50B in the OPTICAL INSTRUMENTS & LENSES sector.
Is KLAC 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 KLAC for yourself. This is not investment advice.
Live data from TheDesperateTrader scanner. Not investment advice.