Latest Period
Q1 2026
Security Snapshot
A10 Networks Inc - Common Stock Institutional Ownership
CUSIP: 002121101
13F Institutional Holders and Ownership History from Q4 2023 to Q1 2026
Institutions Reporting
6
Shares (Excl. Options)
121,927
Price
$11.57
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- Type / Class
- Equity / Common Stock
- Shares outstanding
- 73,982,687
- Price per share
- $11.57
- All holders as of 31 Mar 2026
- Q1 2026
- Total 13F shares
- 121,927
- Total reported value
- $1,260,751
- Share change
- 0
- Number of holders
- 6
Reported Shares, Excluding Options vs Price
Reported Value, Excluding Options
Total Investors
Key facts
- 002121101 - A10 Networks Inc - Common Stock is tracked under CUSIP 002121101.
- 6 institutions reported positions in Q1 2026.
- 1 significant owner is listed from Schedule 13D/13G reporting.
Change
- Holder count moved from 4 to 6 between Q4 2025 and Q1 2026.
- Reported value moved from $223,684,160 to $1,260,751.
Research use
- You can quickly see who holds this security, then open quarter and manager detail pages for full evidence.
- 13F and Schedule 13D/13G sections are kept together so you can cross-check institutional and beneficial ownership context.
Evidence
Source: SEC Form 13F
Open SEC Evidence
Latest holder context comes from 6 institutions filings for Q1 2026.
Security key
002121101
Latest holder period
Q1 2026
13F holders
6
13D/G owners
1
CIK / CUSIP context first
Broader feeds
Recent Quarterly Holder Reports
Open recent reporting periods for CUSIP 002121101:
Significant Owners of A10 Networks Inc - Common Stock based on Schedule 13D/G filings
| Filer | Ownership | Change % | Holdings Value | Net Change | Nb Shares | Change % | Reporting Name | Report Period |
|---|---|---|---|---|---|---|---|---|
| VANGUARD GROUP INC | 10% | 7,435,260 | The Vanguard Group | 28 Feb 2025 |
As of 31 Mar 2026, 6 institutional investors reported holding 121,927 shares of A10 Networks Inc - Common Stock. This represents 0.16% of the company’s total 73,982,687 outstanding shares.
Institutional Holders of A10 Networks Inc - Common Stock across Reporting Periods
| Period | Reported Shares, Excl. Options | Value, Excl. Options | Value Change | Price (Median) | Investors |
|---|---|---|---|---|---|
| 2026 Q1 | 121,927 | $1,260,751 | $11.57 | 6 | |
| 2025 Q4 | 12,644,667 | $223,684,160 | -$12,537,204 | $17.69 | 4 |
| 2024 Q3 | 3,171,077 | $45,790,352 | +$895,497 | $14.44 | 1 |
| 2024 Q2 | 15,837,093 | $219,343,737 | -$5,151,383 | $13.85 | 2 |
| 2024 Q1 | 16,209,034 | $221,901,675 | -$2,213,673 | $13.69 | 2 |
| 2023 Q4 | 16,370,734 | $215,602,568 | $13.17 | 2 |