A10 Networks (ATEN)
Protects and accelerates application traffic across enterprise, service-provider, cloud, and AI infrastructure.
$26.70
After hours0.00 (0.00%)
At close$26.70(−0.89%)
Something off on this page? Send us feedback.
13F · 13D/G · Form 4
| Institutions | ≈ 105.18% | 76.37M shares | |
|---|---|---|---|
| 317 holders · as of Jun 30, 2026 · largest filers plus last quarter's tail | |||
| Insiders | 6.06% | 4.40M shares | |
| 10 holders · as of Aug 25, 2026 | |||
| Strategic holders | 13.34% | 9.68M shares | |
| 1 holder · as of May 9, 2022 | |||
| Adds to | 124.58% | ||
72.61M company shares as of Sep 22, 2026 · institutions as of Jun 30, 2026 · holders as of their latest filing
This quarter's institutional total failed a plausibility check; shown: the largest filers plus last quarter's remainder.
These groups come from separate filings that can overlap, so they add to 124.58%; nothing is left for Other.
13F, as of Jun 30, 2026
317 holders · 76.37M shares · 81 new positions · 173 increased · 101 reduced · 34 closed
| Holder | Shares | % outstanding | Chg q/q | Filed |
|---|---|---|---|---|
| BlackRock, Inc. | 13.57M | 18.69% | +480.2K | Aug 7, 2026 |
| Vanguard Portfolio Management LLC | 3.46M | 4.77% | +74.2K | Aug 13, 2026 |
| First Trust Advisors LP | 3.24M | 4.47% | +1.52M | Aug 11, 2026 |
| State Street Corp | 3.08M | 4.25% | −7.6K | Aug 7, 2026 |
| Vanguard Capital Management LLC | 3.07M | 4.23% | −49.9K | Aug 13, 2026 |
| Penserra Capital Management LLC | 3.07M | 4.23% | −526.1K | Aug 13, 2026 |
| Boston Trust Walden Corp | 2.42M | 3.33% | +243.5K | Jul 24, 2026 |
| Wellington Management Group LLP | 1.96M | 2.70% | −114.7K | Aug 14, 2026 |
13D/G · 5% or more, as filed
| Holder | % of class | Shares | Form | Filed |
|---|---|---|---|---|
| First Trust Portfolios L.P. | 6.68% | 4.81M | 13G | Jul 30, 2026 |
| Vanguard Capital Management | 5.09% | 3.65M | 13G | Apr 29, 2026 |
Form 4
Latest trades
| Date | Insider | Type | Shares | Avg price | Owned after |
|---|---|---|---|---|---|
| Aug 25, 2026 | Dana Elizabeth Wolfdirector | Sale | 2,652 | $25.65 | 57,409 |
| Aug 11, 2026 | Robert Scott Weberofficer: General Counsel | Sale | 14,086 | $27.86 | 50,586 |
| May 5, 2026 | Eric Singerdirector | Sale | 24,698 | $27.21 | 68,806 |
| Feb 12, 2026 | Dhrupad Trivedidirector, officer: Chief Executive Officer | Sale | 33,333 | $20.56 | 615,415 |
| Feb 11, 2026 | Dhrupad Trivedidirector, officer: Chief Executive Officer | Sale | 33,333 | $20.69 | 648,748 |
| Feb 13, 2026 | Dhrupad Trivedidirector, officer: Chief Executive Officer | Sale | 33,334 | $20.55 | 713,597 |
House and Senate disclosures
Not reported.