- Type / Class
- Equity / Common Stock
- Shares outstanding
- 77,603,290
- Total 13F shares
- 70,356,781
- Share change
- +423,605
- Total reported value
- $1,361,399,966
- Put/Call ratio
- 270%
- Price per share
- $19.35
- Number of holders
- 228
- Value change
- +$12,807,261
- Number of buys
- 115
- Number of sells
- 136
Quarterly Holders Quick Answers
What is CUSIP 002121101?
CUSIP 002121101 identifies ATEN - A10 Networks, Inc. - Common Stock in SEC institutional holdings data.
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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.
| Holder | Source | Role / Reporting | Ownership % | Shares | Holdings Value | 12M Net Δ | As of | Details |
|---|---|---|---|---|---|---|---|---|
| BlackRock, Inc. |
13F
|
Company |
17%
|
13,352,853
|
$218,185,623 | — | 31 Mar 2025 | |
| VANGUARD GROUP INC |
13F
|
Company |
9.5%
|
7,394,304
|
$120,822,927 | — | 31 Mar 2025 | |
| SUMMIT PARTNERS L P |
3/4/5
13F
|
10%+ Owner · Company |
0.24%
from 13F
|
5,388,206
|
$68,484,098 | — | 08 Sep 2022 | |
| STATE STREET CORP |
13F
|
Company |
4.3%
|
3,342,508
|
$54,616,581 | — | 31 Mar 2025 | |
| Legal & General Investment Management Ltd |
13D/G
|
Legal & General Group Plc |
3.1%
|
2,405,702
|
$46,550,093 | $0 | 31 Dec 2021 | |
| MIRAE ASSET GLOBAL ETFS HOLDINGS Ltd. |
13F
|
Company |
3.5%
|
2,682,442
|
$43,839,817 | — | 31 Mar 2025 | |
| Penserra Capital Management LLC |
13F
|
Company |
3.3%
|
2,539,197
|
$41,490,000 | — | 31 Mar 2025 | |
| RENAISSANCE TECHNOLOGIES LLC |
13F
|
Company |
3%
|
2,356,307
|
$38,502,056 | — | 31 Mar 2025 | |
| DIMENSIONAL FUND ADVISORS LP |
13F
|
Company |
2.2%
|
1,737,154
|
$28,386,077 | — | 31 Mar 2025 | |
| FIRST TRUST ADVISORS LP |
13F
|
Company |
2.2%
|
1,734,645
|
$28,344,099 | — | 31 Mar 2025 | |
| GEODE CAPITAL MANAGEMENT, LLC |
13F
|
Company |
2.2%
|
1,732,103
|
$28,309,139 | — | 31 Mar 2025 | |
| Boston Trust Walden Corp |
13F
|
Company |
2.1%
|
1,645,924
|
$26,894,398 | — | 31 Mar 2025 | |
| PRICE T ROWE ASSOCIATES INC /MD/ |
13F
|
Company |
2%
|
1,516,986
|
$24,788,000 | — | 31 Mar 2025 | |
| MORGAN STANLEY |
13F
|
Company |
1.9%
|
1,484,741
|
$24,260,683 | — | 31 Mar 2025 | |
| PUNCH & ASSOCIATES INVESTMENT MANAGEMENT, INC. |
13F
|
Company |
1.8%
|
1,362,331
|
$22,260,489 | — | 31 Mar 2025 | |
| WELLINGTON MANAGEMENT GROUP LLP |
13F
|
Company |
1.5%
|
1,130,119
|
$18,466,145 | — | 31 Mar 2025 | |
| Invesco Ltd. |
13F
|
Company |
1.3%
|
1,045,406
|
$17,081,935 | — | 31 Mar 2025 | |
| ARROWSTREET CAPITAL, LIMITED PARTNERSHIP |
13F
|
Company |
1.2%
|
938,763
|
$15,339,387 | — | 31 Mar 2025 | |
| Bank of New York Mellon Corp |
13F
|
Company |
1.1%
|
842,531
|
$13,766,963 | — | 31 Mar 2025 | |
| GOLDMAN SACHS GROUP INC |
13F
|
Company |
1.1%
|
835,252
|
$13,648,025 | — | 31 Mar 2025 | |
| HARBOR CAPITAL ADVISORS, INC. |
13F
|
Company |
1%
|
808,746
|
$13,215,000 | — | 31 Mar 2025 | |
| NORTHERN TRUST CORP |
13F
|
Company |
0.99%
|
765,722
|
$12,511,897 | — | 31 Mar 2025 | |
| ROYCE & ASSOCIATES LP |
13F
|
Company |
0.91%
|
708,368
|
$11,574,733 | — | 31 Mar 2025 | |
| BARCLAYS PLC |
13F
|
Company |
0.87%
|
675,954
|
$11,045,088 | — | 31 Mar 2025 | |
| CHARLES SCHWAB INVESTMENT MANAGEMENT INC |
13F
|
Company |
0.87%
|
675,676
|
$11,040,546 | — | 31 Mar 2025 | |
| MARSHALL WACE, LLP |
13F
|
Company |
0.75%
|
585,411
|
$9,565,614 | — | 31 Mar 2025 | |
| TWO SIGMA INVESTMENTS, LP |
13F
|
Company |
0.63%
|
491,576
|
$8,032,352 | — | 31 Mar 2025 | |
| JACOBS LEVY EQUITY MANAGEMENT, INC |
13F
|
Company |
0.62%
|
482,366
|
$7,881,860 | — | 31 Mar 2025 | |
| TUDOR INVESTMENT CORP ET AL |
13F
|
Company |
0.58%
|
448,840
|
$7,334,046 | — | 31 Mar 2025 | |
| JPMORGAN CHASE & CO |
13F
|
Company |
0.56%
|
435,308
|
$7,112,934 | — | 31 Mar 2025 | |
| PARADIGM CAPITAL MANAGEMENT INC/NY |
13F
|
Company |
0.55%
|
427,800
|
$6,990,252 | — | 31 Mar 2025 | |
| Bridge City Capital, LLC |
13F
|
Company |
0.54%
|
422,803
|
$6,908,601 | — | 31 Mar 2025 | |
| ALGERT GLOBAL LLC |
13F
|
Company |
0.54%
|
420,328
|
$6,868,000 | — | 31 Mar 2025 | |
| PRINCIPAL FINANCIAL GROUP INC |
13F
|
Company |
0.54%
|
416,548
|
$6,806,394 | — | 31 Mar 2025 | |
| Qube Research & Technologies Ltd |
13F
|
Company |
0.51%
|
392,173
|
$6,408,107 | — | 31 Mar 2025 | |
| CITADEL ADVISORS LLC |
13F
|
Company |
0.5%
|
388,896
|
$6,354,561 | — | 31 Mar 2025 | |
| VICTORY CAPITAL MANAGEMENT INC |
13F
|
Company |
0.5%
|
385,332
|
$6,296,325 | — | 31 Mar 2025 | |
| PEREGRINE CAPITAL MANAGEMENT LLC |
13F
|
Company |
0.5%
|
384,852
|
$6,288,482 | — | 31 Mar 2025 | |
| UBS Group AG |
13F
|
Company |
0.48%
|
369,439
|
$6,036,633 | — | 31 Mar 2025 | |
| TEACHER RETIREMENT SYSTEM OF TEXAS |
13F
|
Company |
0.47%
|
362,318
|
$5,920,276 | — | 31 Mar 2025 | |
| Impax Asset Management Group plc |
13F
|
Company |
0.46%
|
360,000
|
$5,882,400 | — | 31 Mar 2025 | |
| RICE HALL JAMES & ASSOCIATES, LLC |
13F
|
Company |
0.46%
|
354,813
|
$5,797,644 | — | 31 Mar 2025 | |
| TWO SIGMA ADVISERS, LP |
13F
|
Company |
0.45%
|
348,200
|
$5,689,588 | — | 31 Mar 2025 | |
| PRUDENTIAL FINANCIAL INC |
13F
|
Company |
0.44%
|
344,300
|
$5,625,862 | — | 31 Mar 2025 | |
| DZ BANK AG Deutsche Zentral Genossenschafts Bank, Frankfurt am Main |
13F
|
Company |
0.41%
|
320,593
|
$5,238,489 | — | 31 Mar 2025 | |
| Aptus Capital Advisors, LLC |
13F
|
Company |
0.38%
|
294,920
|
$4,818,993 | — | 31 Mar 2025 | |
| VOYA INVESTMENT MANAGEMENT LLC |
13F
|
Company |
0.35%
|
274,194
|
$4,480,330 | — | 31 Mar 2025 | |
| Robert D. Cochran |
3/4/5
|
EVP Legal & Corp Collaboration |
—
class O/S missing
|
344,161
|
$4,374,286 | — | 27 Jun 2022 | |
| Trexquant Investment LP |
13F
|
Company |
0.32%
|
247,891
|
$4,050,539 | — | 31 Mar 2025 | |
| Peter Y. Chung |
3/4/5
|
Director |
—
class O/S missing
|
200,065
|
$3,877,260 | — | 17 Apr 2025 |
Institutional Holders of A10 Networks, Inc. - Common Stock (ATEN) as of Q2 2025
As of 30 Jun 2025,
A10 Networks, Inc. - Common Stock (ATEN) was held by
228 institutional
shareholders
that filed Form 13F with the SEC.
Together, they reported ownership of
70,356,781 shares.
The largest 10 holders included
BlackRock, Inc., VANGUARD GROUP INC, Penserra Capital Management LLC, STATE STREET CORP, MIRAE ASSET GLOBAL ETFS HOLDINGS Ltd., RENAISSANCE TECHNOLOGIES LLC, Boston Trust Walden Corp, FIRST TRUST ADVISORS LP, GEODE CAPITAL MANAGEMENT, LLC, and DIMENSIONAL FUND ADVISORS LP.
This page lists
228
institutional shareholders reporting positions in this security
for the Q2 2025 filing period.
| Investor | Option | Weight % | Change % | Value $ | * Price | Shares | Share Change | Activity | Report Period |
|---|
Compare Q2 2025 vs Q1 2025 Across Filers
Q1 2025 holders
250
Q2 2025 holders
228
Holder diff
-22
| Investor | Q1 2025 Shares | Q2 2025 Shares | Share Diff | Share Chg % | Q1 2025 Value $ | Q2 2025 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.