A10 Networks, Inc. (ATEN)
Who owns A10 Networks, Inc. (ATEN)? This page shows the largest institutions and funds, the ownership structure and the latest insider transactions. 98.2% of the shares are freely tradable; institutional investors hold 103.9%.
Ownership Structure
Largest Shareholders
Institutions
| Name | Stake (%) | Shares | Change (%) | Date |
|---|---|---|---|---|
| BlackRock Inc | 18.18 | 13,088,277 | +0.8 | 03/31/2026 |
| Vanguard Group Inc | 10.06 | 7,241,762 | +0.1 | 12/31/2025 |
| Penserra Capital Management, LLC | 4.99 | 3,594,112 | -15.6 | 03/31/2026 |
| Vanguard Portfolio Management, LLC | 4.71 | 3,387,848 | +0.0 | 03/31/2026 |
| Vanguard Capital Management, LLC | 4.33 | 3,121,015 | +0.0 | 03/31/2026 |
| State Street Corp | 4.29 | 3,090,185 | -0.8 | 03/31/2026 |
| BTIM Corp | 3.02 | 2,173,261 | -11.0 | 03/31/2026 |
Funds
| Name | Stake (%) | Shares | Change (%) | Date |
|---|---|---|---|---|
| iShares Core S&P Small-Cap ETF | 6.02 | 4,333,565 | +0.0 | 05/29/2026 |
| Amplify Cybersecurity ETF | 4.38 | 3,153,531 | +0.0 | 05/29/2026 |
| Vanguard Total Stock Mkt Idx Inv | 3.12 | 2,249,609 | +0.1 | 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.