Tenable Holdings Inc (TENB)
Technology
Software - Infrastructure
32.60 $
+0.3%
vs. previous close
Closing price · As of: 31. Jul 2026
Who owns Tenable Holdings Inc (TENB)? This page shows the largest institutions and funds, the ownership structure and the latest insider transactions. 98.6% of the shares are freely tradable; institutional investors hold 113.3%.
Ownership Structure
Institutional ownership
Share of the stock held by institutional investors (funds, banks, insurers) according to regulatory filings.
113.3%
Insiders
Share of the stock held by the executives, founders and major shareholders of the company itself.
1.4%
Float
Share of stock freely tradable on the market — not locked up in the hands of founders, insiders, or major shareholders.
98.6%
Short % of float
Shares sold short as a percentage of the freely tradable float — high values signal many bets on falling prices.
12.3%
Shares Outstanding
Total number of shares issued. Price times share count gives market cap.
110Mio.
Largest Shareholders
Institutions
| Name | Stake (%) | Shares | Change (%) | Date |
|---|---|---|---|---|
| Vanguard Group Inc | 13.99 | 15,427,510 | +3.1 | 12/31/2025 |
| BlackRock Inc | 12.24 | 13,497,402 | +5.5 | 03/31/2026 |
| Vanguard Portfolio Management, LLC | 8.74 | 9,632,968 | +0.0 | 03/31/2026 |
| Ameriprise Financial Inc | 7.71 | 8,499,447 | +29.5 | 03/31/2026 |
| Vanguard Capital Management, LLC | 4.85 | 5,347,521 | +0.0 | 03/31/2026 |
| Shapiro Capital Management Co Inc | 3.76 | 4,150,152 | +43.5 | 03/31/2026 |
| RGM Capital LLC | 3.69 | 4,071,191 | -8.9 | 12/31/2025 |
Funds
| Name | Stake (%) | Shares | Change (%) | Date |
|---|---|---|---|---|
| Columbia Seligman Tech & Info A | 4.92 | 5,420,327 | +13.8 | 04/30/2026 |
| Columbia Seligman Technology Growth | 4.32 | 4,762,227 | +24.4 | 03/31/2026 |
| Vanguard Total Stock Mkt Idx Inv | 3.45 | 3,805,353 | +0.3 | 04/30/2026 |
Largest reported positions according to regulatory filings; stake as a percentage of shares outstanding, change versus the previous filing. Source: fundamentals data.
Data as of: July 31, 2026 · Source: fundamental data & SEC filings (annual and quarterly reports, 10-K/10-Q)
Note: pure fact-based analysis, not investment advice and not a solicitation to buy or sell. All figures without guarantee.