- Type / Class
- Equity / Common Stock
- Shares outstanding
- 77,603,290
- Total 13F shares
- 2,321,610
- Share change
- +2,321,610
- Total reported value
- $34,917,000
- Price per share
- $15.04
- Number of holders
- 11
- Value change
- +$34,917,000
- Number of buys
- 11
Quarterly Holders Quick Answers
What is CUSIP 002121101?
CUSIP 002121101 identifies ATEN - A10 Networks, Inc. - Common Stock in SEC institutional holdings data.
Need full ownership history?
Open the full security ownership history page.
Related Filing Research
- Latest 13F filings for newly reported positions.
- Latest Schedule 13D/13G reports for ownership changes outside 13F cadence.
- Latest 10-Q/10-K reports for financial context tied to this issuer.
- Recent insider transactions for executive and insider activity.
- SEC investors directory and top value investors for manager drilldown.
- Back to full security ownership history.
Explore More Reporting Periods
Jump to adjacent filing periods for faster comparison and easier crawl discovery.
- Newer quarter: Q2 2014
Recent filing periods for CUSIP 002121101:
Top shareholders of ATEN - A10 Networks, Inc. - Common Stock (13F + 13D/G + 3/4/5)
Grouped by holder across the latest SEC ownership disclosures. Ownership % is shown only when it is directly reported or safely comparable across share classes.
Methodology: rows are grouped by holder and ranked by the holder's primary source value. — indicates unavailable or non-comparable values; "mixed-class rows" means the latest filing spans non-comparable classes.
No top shareholder records were found across 13F, 13D/G, and Forms 3/4/5 for this issuer.
Institutional Holders of A10 Networks, Inc. - Common Stock (ATEN) as of Q1 2014
As of 31 Mar 2014,
A10 Networks, Inc. - Common Stock (ATEN) was held by
11 institutional
shareholders
that filed Form 13F with the SEC.
Together, they reported ownership of
2,321,610 shares.
The largest 10 holders included
NEXT CENTURY GROWTH INVESTORS LLC, WALL STREET ASSOCIATES, Citadel Advisors LLC, BROOKSIDE CAPITAL MANAGEMENT LLC, Independence Capital Asset Partners, LLC, EMERALD ADVISERS INC/PA, EMERALD MUTUAL FUND ADVISERS TRUST, Laurion Capital Management LP, Pine River Capital Management L.P., and MAZAMA CAPITAL MANAGEMENT INC.
This page lists
11
institutional shareholders reporting positions in this security
for the Q1 2014 filing period.
| Investor | Option | Weight % | Change % | Value $ | * Price | Shares | Share Change | Activity | Report Period |
|---|
Compare Q1 2014 vs Q4 2025 Across Filers
Q4 2025 holders
240
Q1 2014 holders
11
Holder diff
-229
| Investor | Q4 2025 Shares | Q1 2014 Shares | Share Diff | Share Chg % | Q4 2025 Value $ | Q1 2014 Value $ | Value Diff $ | Value Chg % |
|---|
Trend: ostatnie 8 kwartałów (+ wybrane okresy porównania).
Quarterly Holders Trend
Quarterly Value Trend
Quarterly Shares Trend
* Reported Price is the price of the security as of the portfolio date. This value is significant in that it is the last known price at which the security was still held.
An asterisk sign (*) next to the price indicates that the price is likely invalid.
An asterisk sign (*) next to the price indicates that the price is likely invalid.