Tenable Holdings Inc (TENB)
Who owns Tenable Holdings Inc (TENB)? This page shows the largest institutions and funds, the ownership structure and the latest insider transactions. 98.8% of the shares are freely tradable; institutional investors hold 113.3%.
Ownership Structure
Largest Shareholders
Institutions
| Name | Stake (%) | Shares | Change (%) | Date |
|---|---|---|---|---|
| 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 |
| Arrowstreet Capital Limited Partnership | 3.38 | 3,732,271 | +175.1 | 03/31/2026 |
| FMR Inc | 3.24 | 3,570,579 | +139.9 | 03/31/2026 |
Funds
| Name | Stake (%) | Shares | Change (%) | Date |
|---|---|---|---|---|
| Columbia Seligman Tech & Info A | 8.33 | 9,203,857 | +3.7 | 06/30/2026 |
| Columbia Seligman Technology Growth | 8.33 | 9,203,857 | +93.3 | 06/30/2026 |
| Vanguard Morn Total Stk Mkt Idx Investor | 3.18 | 3,507,611 | -7.2 | 06/30/2026 |
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.