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A10 Networks, Inc.

ATEN
Exchange
NYSE
Industry
Computer Communications Equipment
SEC CIK
0001580808

In the last 90 days, A10 Networks, Inc. insiders filed 0 open-market purchases and 2 sales; 313 institutions reported holding it in 13F filings for Q2 2026, worth $2.86B in total; no superinvestor holds it.

13F holders, Q1 2021

Institutional positions in A10 Networks, Inc. as of Mar 31, 2021. Investment managers with $100 million or more in US stocks report their long positions on Form 13F within 45 days after each quarter ends. How 13F works

Institutional holders
134
No complete 13F data for Q4 2020
Shares held
66.2M
No complete 13F data for Q4 2020
Total value
$630.5M
No complete 13F data for Q4 2020

Holders and value by quarter

Institutions reporting ATEN on Form 13F each quarter since Q1 2021, and the total value they reported. Values are as of each quarter end, so they also move with the share price.

Institutional holdersQ1 2021: 134 institutions
Q1 2021: 134 institutionsQ2 2021: 132 institutionsQ3 2021: 151 institutionsQ4 2021: 176 institutionsQ1 2022: 195 institutionsQ2 2022: 203 institutionsQ3 2022: 202 institutionsQ4 2022: 223 institutionsQ1 2023: 217 institutionsQ2 2023: 198 institutionsQ3 2023: 193 institutionsQ4 2023: 191 institutionsQ1 2024: 181 institutionsQ2 2024: 218 institutionsQ3 2024: 207 institutionsQ4 2024: 219 institutionsQ1 2025: 253 institutionsQ2 2025: 232 institutionsQ3 2025: 237 institutionsQ4 2025: 243 institutionsQ1 2026: 265 institutionsQ2 2026: 313 institutions
Value heldQ1 2021: $630.5M
Q1 2021: $630.5MQ2 2021: $744.2MQ3 2021: $906.0MQ4 2021: $1.07BQ1 2022: $884.4MQ2 2022: $988.4MQ3 2022: $866.1MQ4 2022: $1.10BQ1 2023: $984.2MQ2 2023: $953.7MQ3 2023: $982.7MQ4 2023: $891.7MQ1 2024: $928.5MQ2 2024: $921.8MQ3 2024: $943.4MQ4 2024: $1.20BQ1 2025: $1.15BQ2 2025: $1.36BQ3 2025: $1.27BQ4 2025: $1.24BQ1 2026: $1.67BQ2 2026: $2.86B
Institutions holding ATEN and their total value by quarter
QuarterHoldersValue
Q2 2026313$2.86B
Q1 2026265$1.67B
Q4 2025243$1.24B
Q3 2025237$1.27B
Q2 2025232$1.36B
Q1 2025253$1.15B
Q4 2024219$1.20B
Q3 2024207$943.4M
Q2 2024218$921.8M
Q1 2024181$928.5M
Q4 2023191$891.7M
Q3 2023193$982.7M
Q2 2023198$953.7M
Q1 2023217$984.2M
Q4 2022223$1.10B
Q3 2022202$866.1M
Q2 2022203$988.4M
Q1 2022195$884.4M
Q4 2021176$1.07B
Q3 2021151$906.0M
Q2 2021132$744.2M
Q1 2021134$630.5M

Institutions, Q1 2021

Shares, value and share of portfolio for each institution holding A10 Networks, Inc..

Livermore's 13F data starts with Q1 2021, so Q1 2021 has no change from the previous quarter.

Institutions holding ATEN in Q1 2021
InstitutionSharesValue% of portfolioChange in sharesAction
FMR LLC213$2.00K0.00%––
D'Orazio & Associates, Inc.300$3.00K0.00%––
Signaturefd, LLC500$5.00K0.00%––
NewSquare Capital LLC890$9.00K0.00%––
Cutler Group LP1,137$10.0K0.00%––
Retirement Group, LLC1,050$10.0K0.00%––
Macquarie Group Ltd1,351$13.0K0.00%––
Great West Life Assurance Co1,512$14.0K0.00%––
Bank of Montreal1,699$16.0K0.00%––
Tower Research Capital LLC (TRC)4,442$43.0K0.00%––
Ameritas Investment Partners, Inc.4,968$48.0K0.00%––
Zurcher Kantonalbank (Zurich Cantonalbank)6,739$65.0K0.00%––
Royal Bank of Canada6,987$67.0K0.00%––
Federated Hermes, Inc.7,034$68.0K0.00%––
Aristides Capital LLC10,000$96.0K0.09%––
Adalta Capital Management LLC10,000$96.0K0.06%––
Metropolitan Life Insurance Co10,098$97.0K0.00%––
Quadrature Capital Ltd10,582$102.0K0.00%––
HighVista Strategies LLC10,700$103.0K0.08%––
Lazard Asset Management LLC11,539$110.0K0.00%––
SG Americas Securities, LLC11,963$115.0K0.00%––
Simplex Trading, LLC11,969$115.0K0.01%––
Gotham Asset Management, LLC12,676$122.0K0.01%––
Principal Financial Group Inc13,102$126.0K0.00%––
Jane Street Group, LLC14,236$137.0K0.00%––
Arizona State Retirement System14,514$139.0K0.00%––
STRS Ohio15,100$145.0K0.00%––
ProShare Advisors LLC16,010$154.0K0.00%––
Bayesian Capital Management, LP16,000$154.0K0.04%––
SEI Investments Co15,927$156.0K0.00%––
Cubist Systematic Strategies, LLC16,946$163.0K0.00%––
Thompson Siegel & Walmsley LLC17,524$168.0K0.00%––
Paloma Partners Management Co17,497$168.0K0.00%––
Advisor Group Holdings, Inc.17,494$168.0K0.00%––
Sawgrass Asset Management LLC19,075$183.0K0.01%––
Synovus Financial Corp19,151$184.0K0.00%––
Winton Group Ltd19,930$192.0K0.01%––
MetLife Investment Management23,276$223.7K0.00%––
Man Group plc26,305$253.0K0.00%––
Morgan Stanley26,420$254.0K0.00%––
Horizon Investment Services, LLC26,449$254.0K0.14%––
Voya Investment Management LLC26,934$259.0K0.00%––
Dynamic Technology Lab Private Ltd27,041$260.0K0.03%––
US Bancorp30,291$291.0K0.00%––
Victory Capital Management Inc34,131$328.0K0.00%––
American International Group, Inc.34,923$336.0K0.00%––
Manufacturers Life Insurance Company, The35,180$338.0K0.00%––
Martingale Asset Management L P39,029$376.0K0.00%––
Jupiter Asset Management Ltd40,320$387.0K0.00%––
HighTower Advisors, LLC41,319$397.0K0.00%––
State Board of Administration of Florida Retirement System42,682$410.0K0.00%––
Invesco Ltd.43,156$415.0K0.00%––
IndexIQ Advisors LLC43,391$417.0K0.01%––
State of Tennessee, Treasury Department43,609$419.0K0.00%––
DekaBank Deutsche Girozentrale47,750$435.0K0.00%––
Verity Asset Management, Inc.46,334$445.0K0.27%––
QS Investors, LLC52,700$507.0K0.01%––
Barclays PLC53,875$517.0K0.00%––
DuPont Capital Management Corp54,181$521.0K0.01%––
Healthcare of Ontario Pension Plan Trust Fund54,300$522.0K0.00%––
Bank of America Corp62,303$599.0K0.00%––
UBS Asset Management Americas Inc62,617$601.8K0.00%––
Worth Venture Partners, LLC65,382$628.0K0.31%––
Lynrock Lake LP66,666$641.0K0.04%––
Rhumbline Advisers67,398$648.0K0.00%––
Cambridge Investment Research Advisors, Inc.71,205$684.0K0.00%––
Gamco Investors, Inc. Et Al72,507$697.0K0.01%––
Panagora Asset Management Inc75,697$727.0K0.00%––
Virginia Retirement Systems Et Al76,800$738.0K0.01%––
Summit Global Investments78,125$751.0K0.05%––
Banque Cantonale Vaudoise78,305$753.0K0.04%––
Group One Trading, L.P.82,517$793.0K0.02%––
UBS Group AG83,604$803.0K0.00%––
Credit Suisse AG85,757$824.0K0.00%––
California State Teachers Retirement System90,353$868.0K0.00%––
Teton Advisors, Inc.95,000$913.0K0.13%––
Algert Global LLC101,510$976.0K0.31%––
ExodusPoint Capital Management, LP101,859$979.0K0.02%––
Adirondack Research & Management Inc.103,546$995.0K1.18%––
Swiss National Bank114,500$1.10M0.00%––
EVR Research LP114,994$1.10M0.84%––
Cornercap Investment Counsel Inc123,530$1.19M0.13%––
California Public Employees Retirement System124,700$1.20M0.00%––
Cooper Creek Partners Management LLC143,240$1.38M0.39%––
Goldman Sachs Group Inc153,531$1.48M0.00%––
King Luther Capital Management Corp157,550$1.51M0.01%––
Roumell Asset Management, LLC166,208$1.60M2.31%––
Mackay Shields LLC172,000$1.65M0.01%––
Parametric Portfolio Associates LLC182,348$1.75M0.00%––
New York State Common Retirement Fund186,302$1.79M0.00%––
Globeflex Capital L P223,772$2.15M0.39%––
JPMorgan Chase & Co229,286$2.20M0.00%––
Davy Global Fund Management Ltd242,064$2.33M0.41%––
Russell Investments Group, Ltd.244,988$2.35M0.00%––
Migdal Insurance & Financial Holdings Ltd.248,008$2.38M0.02%––
Fuller & Thaler Asset Management, Inc.265,230$2.55M0.02%––
Susquehanna International Group, LLP267,372$2.57M0.00%––
AQR Capital Management LLC270,686$2.60M0.00%––
Wells Fargo & Company280,064$2.69M0.00%––
Citigroup Inc287,991$2.77M0.00%––