Five9 Inc
Ownership
Ownership Structure
Who owns Five9 Inc (FIVN)? This page shows the largest institutions and funds, the ownership structure and the latest insider transactions. 96.0% of the shares are freely tradable; institutional investors hold 105.3%.
Largest Shareholders
Institutions
| Name | Stake (%) | Shares | Change (%) | Date |
|---|---|---|---|---|
| Vanguard Portfolio Management, LLC | 9.48 | 7,083,605 | +5.4 | 06/30/2026 |
| BlackRock Inc | 9.47 | 7,074,625 | +0.4 | 06/30/2026 |
| Voss Capital LLC | 6.51 | 4,865,000 | -16.5 | 06/30/2026 |
| Ameriprise Financial Inc | 5.54 | 4,140,003 | +91.8 | 06/30/2026 |
| Vanguard Capital Management, LLC | 4.43 | 3,312,397 | -0.5 | 06/30/2026 |
| Van Berkom and Associates Inc | 4.16 | 3,110,100 | -53.3 | 06/30/2026 |
| Anson Funds Management LP | 3.35 | 2,499,481 | -40.1 | 06/30/2026 |
| Driehaus Capital Management LLC | 3.03 | 2,265,900 | +0.0 | 06/30/2026 |
Funds
| Name | Stake (%) | Shares | Change (%) | Date |
|---|---|---|---|---|
| iShares Core S&P Small-Cap ETF | 5.95 | 4,448,749 | +0.0 | 09/30/2026 |
| Columbia Seligman Tech & Info A | 2.98 | 2,228,960 | -23.5 | 08/31/2026 |
Largest reported positions according to regulatory filings; stake as a percentage of shares outstanding, change versus the previous filing. Source: fundamentals data.
Insider holdings
| Person | Role | Shares | Value | As of | Type |
|---|---|---|---|---|---|
| Lee Bryan M | Chief Financial Officer | 289,333 | 10,502,788 $ | Sep 8, 2026 | direct |
| Meriweather Tiffany N. | Chief Admin. & Legal Officer | 253,249 | 9,192,939 $ | Sep 8, 2026 | direct |
| Dignan Andy | President | 237,614 | 8,625,388 $ | Sep 17, 2026 | direct |
| Vijayaragavan Niranjan | Chief Technology Officer | 207,734 | 7,540,744 $ | Jul 13, 2026 | direct |
| Hornish Robert | Chief Sales Officer | 121,444 | 4,408,417 $ | Jul 13, 2026 | direct |
| Mansharamani Leena | SVP, Chief Accounting Officer | 51,787 | 1,879,868 $ | Sep 15, 2026 | direct |
Holdings as of each person's most recent SEC Form 4 filing — excluding options and RSUs, which are not shares yet. Holdings may have changed between two filings.
Insiders
Insider Transactions
| Date | Person | Role | Type | Shares | Price | Value |
|---|---|---|---|---|---|---|
| Sep 17, 2026 | Dignan Andy | President | Sell | 6,986 | 35.00 | 244,510 |
| Sep 15, 2026 | Mansharamani Leena | SVP, Chief Accounting Officer | Other | 630 | 0.00 | – |
| Sep 8, 2026 | Lee Bryan M | Chief Financial Officer | Sell | 1,310 | 32.60 | 42,706 |
| Sep 8, 2026 | Dignan Andy | President | Sell | 2,746 | 31.57 | 86,691 |
| Sep 8, 2026 | Meriweather Tiffany N. | Chief Admin. & Legal Officer | Sell | 5,114 | 31.55 | 161,347 |
| Sep 8, 2026 | Mansharamani Leena | SVP, Chief Accounting Officer | Sell | 1,253 | 31.53 | 39,507 |
| Sep 4, 2026 | Lee Bryan M | Chief Financial Officer | Sell | 4,995 | 33.45 | 167,083 |
| Sep 4, 2026 | Lee Bryan M | Chief Financial Officer | Sell | 7,813 | 33.52 | 261,892 |
| Sep 4, 2026 | Lee Bryan M | Chief Financial Officer | Sell | 6,500 | 33.05 | 214,825 |
| Sep 4, 2026 | Dignan Andy | President | Sell | 3,295 | 33.45 | 110,218 |
| Sep 4, 2026 | Dignan Andy | President | Sell | 4,379 | 33.51 | 146,740 |
| Sep 4, 2026 | Dignan Andy | President | Sell | 2,900 | 33.00 | 95,700 |
| Sep 4, 2026 | Meriweather Tiffany N. | Chief Admin. & Legal Officer | Sell | 7,809 | 33.51 | 261,680 |
| Sep 4, 2026 | Meriweather Tiffany N. | Chief Admin. & Legal Officer | Sell | 5,600 | 33.02 | 184,912 |
| Sep 4, 2026 | Mansharamani Leena | SVP, Chief Accounting Officer | Sell | 201 | 33.71 | 6,776 |
| Sep 4, 2026 | Mansharamani Leena | SVP, Chief Accounting Officer | Sell | 2,505 | 33.32 | 83,467 |
| Sep 3, 2026 | Mansharamani Leena | SVP, Chief Accounting Officer | Sell | 100 | 35.05 | 3,505 |
| Sep 3, 2026 | Mansharamani Leena | SVP, Chief Accounting Officer | Sell | 2,558 | 34.19 | 87,458 |
| Aug 28, 2026 | Dignan Andy | President | Sell | 17,767 | 35.03 | 622,378 |
| Jul 13, 2026 | Hornish Robert | Chief Sales Officer | Other | 121,444 | 0.00 | – |
| Jul 13, 2026 | Vijayaragavan Niranjan | Chief Technology Officer | Other | 207,734 | 0.00 | – |
Reportable transactions by officers and major shareholders from SEC Form 4 filings. "Other" includes things like stock grants and option exercises without a buy/sell character. View all insider transactions →
Data as of: October 30, 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.