Now Live: Cboe Europe real-time data for all major European stocks.
United States
closing in 55m
Main market

STOCKS is currently active.
Closing in 55 minutes

15:04
00:00
09:30
16:00
23:59

Trading Hours (Monday - Friday):

Pre-market
04:00 - 09:30
Main market
09:30 - 16:00
Post-market
16:00 - 20:00
All times are displayed in the America/New_York timezone (EDT, UTC-04:00).
24.94000 USD
0.61
2.39%
Last update May 21, 4:29 PM BST
Market closed
Day range
24.375
25.5
Previous close
25.55000
Open
25.5
Access this stock data via API
Subscribe
Tenable Holdings Inc.
24.94
0.61
2.39%

Holders

Fund holders

Name Date reported Shares Value % Held
Columbia Fd.s Series TRT II-Columbia Seligman Technology and Informati Feb 28, 2026 3.8M 97.6M 3.5%
VANGUARD INDEX FUNDS-Vanguard Total Stock Market Index Fund Dec 31, 2025 3.8M 97.5M 3.5%
VANGUARD WORLD FUND-Vanguard Information Technology Index Fund Feb 28, 2026 3.0M 77.5M 2.8%
iShares Trust-iShares Russell 2000 ETF Mar 31, 2026 2.9M 73.6M 2.6%
Amplify ETF Trust-Amplify Cybersecurity ETF Dec 31, 2025 2.8M 70.3M 2.5%
VANGUARD INDEX FUNDS-Vanguard Small-Cap Index Fund Dec 31, 2025 2.7M 69.0M 2.5%
First TRT Exch-Trd Fd. II-First TRT NASDAQ Cybersecurity ETF Apr 30, 2026 2.3M 59.8M 2.1%
GLOBAL X FUNDS-Global X Cybersecurity ETF Apr 30, 2026 1.8M 45.6M 1.6%
VANGUARD INDEX FUNDS-Vanguard Small-Cap Growth Index Fund Dec 31, 2025 1.5M 38.9M 1.4%
Fidelity Covington Trust-Fidelity Enhanced Small Cap ETF Apr 30, 2026 1.4M 36.0M 1.3%
Access Holders data via our API — starting from the Ultra plan (individual) and the Enterprise plan (business) and above.
Market closed

Pre-market opens in 11 hours 10 minutes
Main market opens in 11 hours 55 minutes

20:04
00:00
08:00
16:30
23:59

Trading Hours (Monday - Friday):

Pre-market
07:15 - 08:00
Main market
08:00 - 16:30
Post-market
16:30 - 17:15
All times are displayed in the Europe/London timezone (BST, UTC+01:00).