A10 Networks
ATEN · NYSE
$24.63−$0.05 (−0.20%)TodayMarket closed ·
Prev close $24.68
Who owns ATEN
Largest institutional holders, from their latest 13F filings
The 10 largest institutions hold 49.7% of ATEN’s shares.
- BlackRock Institutional Trust Company, N.A.16.8%
- Vanguard Portfolio Management, LLC4.8%
- First Trust Advisors L.P.4.5%
- State Street Investment Management (US)4.3%
- Next 6 largest institutions19.3%
- All other shareholders50.3%
| Holder | Shares | % of shares |
|---|---|---|
| BlackRock Institutional Trust Company, N.A. | 12.06M | 16.76% |
| Vanguard Portfolio Management, LLC | 3.46M | 4.81% |
| First Trust Advisors L.P. | 3.24M | 4.51% |
| State Street Investment Management (US) | 3.08M | 4.28% |
| Vanguard Capital Management, LLC | 3.07M | 4.27% |
| Penserra Capital Management LLC | 3.07M | 4.26% |
| Boston Trust Walden Company | 2.42M | 3.36% |
| Wellington Management Company, LLP | 1.96M | 2.72% |
| Geode Capital Management, L.L.C. | 1.81M | 2.52% |
| Dimensional Fund Advisors, L.P. | 1.60M | 2.22% |
Largest mutual fund holders
| Holder | Shares | % of shares |
|---|---|---|
| iShares Core S&P Small-Cap ETF | 4.39M | 6.10% |
| Amplify Cybersecurity ETF | 2.80M | 3.88% |
| Vanguard Total Stock Market Index Fund | 2.18M | 3.03% |
| iShares Russell 2000 ETF | 1.88M | 2.61% |
| First Trust Nasdaq Cybersecurity ETF | 1.83M | 2.54% |
Insider trades
Form 4 filings by officers, directors and large holders
Over the last 6 months, insiders sold $1.13M (3 trades) of ATEN on the open market, with no buys.
| Insider | Type | Shares | Value |
|---|---|---|---|
| Caron Michelle Elizabeth | Tax withholding | 1.74K | $49.14K |
| Henry Mary C | Award | 7.98K | — |
| Wolf Dana Elizabeth | Sale | 2.65K | $68.02K |
| Weber Robert Scott | Sale | 14.09K | $392.44K |
| Weber Robert Scott | Tax withholding | 1.90K | $68.86K |
| Caron Michelle Elizabeth | Tax withholding | 760 | $21.30K |
| Weber Robert Scott | Tax withholding | 1.93K | $54.10K |
| Trivedi Dhrupad | Tax withholding | 32.86K | $921.01K |
| Caron Michelle Elizabeth | Tax withholding | 748 | $20.20K |
| Weber Robert Scott | Tax withholding | 1.93K | $52.11K |
Short interest
Settled Sep 30, 2026
- Shares short
- 9.76M
- Days to cover
- 7.30
- % of shares outstanding
- 13.56%
- Average daily volume
- 1.34M
- Change since last report
- +0.5%
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