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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; 312 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: 312 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 2026312$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
Summit Partners L P9,560,941$91.9M14.66%––
VIEX Capital Advisors, LLC7,691,096$73.9M54.84%––
BlackRock Inc.5,649,021$54.3M0.00%––
Vanguard Group Inc4,817,311$46.3M0.00%––
Legal & General Group Plc3,686,973$35.4M0.01%––
Renaissance Technologies LLC3,232,433$31.1M0.04%––
ETF Managers Group, LLC2,583,826$23.9M0.42%––
Alliancebernstein L.P.2,300,545$22.1M0.01%––
Royce & Associates LP1,804,043$17.3M0.12%––
First Trust Advisors LP1,666,778$16.0M0.02%––
Peregrine Capital Management LLC1,508,936$14.5M0.27%––
State Street Corp1,471,577$14.1M0.00%––
Bank of New York Mellon Corp1,424,915$13.7M0.00%––
Jacobs Levy Equity Management, Inc1,225,858$11.8M0.09%––
Geode Capital Management, LLC1,035,161$9.95M0.00%––
Deutsche Bank AG784,509$7.54M0.00%––
Mirae Asset Global Investments Co., Ltd.765,919$7.36M0.03%––
Two Sigma Advisers, LP729,300$7.01M0.02%––
Penserra Capital Management LLC676,950$6.50M0.12%––
Prudential Financial Inc649,171$6.24M0.01%––
Northern Trust Corp644,357$6.19M0.00%––
Charles Schwab Investment Management Inc631,334$6.07M0.00%––
Dimensional Fund Advisors LP492,757$4.73M0.00%––
Assenagon Asset Management S.A.485,459$4.67M0.02%––
Arrowstreet Capital, Limited Partnership437,136$4.20M0.01%––
Two Sigma Investments, LP402,851$3.87M0.01%––
BNP Paribas Arbitrage, SA394,814$3.79M0.01%––
Hillsdale Investment Management Inc.374,000$3.59M0.30%––
Los Angeles Capital Management LLC350,746$3.37M0.02%––
Paradigm Capital Management Inc326,600$3.14M0.16%––
Walthausen & Co., LLC314,390$3.02M0.64%––
Nuveen Asset Management, LLC302,397$2.91M0.00%––
Bridge City Capital, LLC302,440$2.91M0.96%––
Citigroup Inc287,991$2.77M0.00%––
Wells Fargo & Company280,064$2.69M0.00%––
AQR Capital Management LLC270,686$2.60M0.00%––
Susquehanna International Group, LLP267,372$2.57M0.00%––
Fuller & Thaler Asset Management, Inc.265,230$2.55M0.02%––
Migdal Insurance & Financial Holdings Ltd.248,008$2.38M0.02%––
Russell Investments Group, Ltd.244,988$2.35M0.00%––
Davy Global Fund Management Ltd242,064$2.33M0.41%––
JPMorgan Chase & Co229,286$2.20M0.00%––
Globeflex Capital L P223,772$2.15M0.39%––
New York State Common Retirement Fund186,302$1.79M0.00%––
Parametric Portfolio Associates LLC182,348$1.75M0.00%––
Mackay Shields LLC172,000$1.65M0.01%––
Roumell Asset Management, LLC166,208$1.60M2.31%––
King Luther Capital Management Corp157,550$1.51M0.01%––
Goldman Sachs Group Inc153,531$1.48M0.00%––
Cooper Creek Partners Management LLC143,240$1.38M0.39%––
California Public Employees Retirement System124,700$1.20M0.00%––
Cornercap Investment Counsel Inc123,530$1.19M0.13%––
EVR Research LP114,994$1.10M0.84%––
Swiss National Bank114,500$1.10M0.00%––
Adirondack Research & Management Inc.103,546$995.0K1.18%––
ExodusPoint Capital Management, LP101,859$979.0K0.02%––
Algert Global LLC101,510$976.0K0.31%––
Teton Advisors, Inc.95,000$913.0K0.13%––
California State Teachers Retirement System90,353$868.0K0.00%––
Credit Suisse AG85,757$824.0K0.00%––
UBS Group AG83,604$803.0K0.00%––
Group One Trading, L.P.82,517$793.0K0.02%––
Banque Cantonale Vaudoise78,305$753.0K0.04%––
Summit Global Investments78,125$751.0K0.05%––
Virginia Retirement Systems Et Al76,800$738.0K0.01%––
Panagora Asset Management Inc75,697$727.0K0.00%––
Gamco Investors, Inc. Et Al72,507$697.0K0.01%––
Cambridge Investment Research Advisors, Inc.71,205$684.0K0.00%––
Rhumbline Advisers67,398$648.0K0.00%––
Lynrock Lake LP66,666$641.0K0.04%––
Worth Venture Partners, LLC65,382$628.0K0.31%––
UBS Asset Management Americas Inc62,617$601.8K0.00%––
Bank of America Corp62,303$599.0K0.00%––
Healthcare of Ontario Pension Plan Trust Fund54,300$522.0K0.00%––
DuPont Capital Management Corp54,181$521.0K0.01%––
Barclays PLC53,875$517.0K0.00%––
QS Investors, LLC52,700$507.0K0.01%––
Verity Asset Management, Inc.46,334$445.0K0.27%––
DekaBank Deutsche Girozentrale47,750$435.0K0.00%––
State of Tennessee, Treasury Department43,609$419.0K0.00%––
IndexIQ Advisors LLC43,391$417.0K0.01%––
Invesco Ltd.43,156$415.0K0.00%––
State Board of Administration of Florida Retirement System42,682$410.0K0.00%––
HighTower Advisors, LLC41,319$397.0K0.00%––
Jupiter Asset Management Ltd40,320$387.0K0.00%––
Martingale Asset Management L P39,029$376.0K0.00%––
Manufacturers Life Insurance Company, The35,180$338.0K0.00%––
American International Group, Inc.34,923$336.0K0.00%––
Victory Capital Management Inc34,131$328.0K0.00%––
US Bancorp30,291$291.0K0.00%––
Dynamic Technology Lab Private Ltd27,041$260.0K0.03%––
Voya Investment Management LLC26,934$259.0K0.00%––
Morgan Stanley26,420$254.0K0.00%––
Horizon Investment Services, LLC26,449$254.0K0.14%––
Man Group plc26,305$253.0K0.00%––
MetLife Investment Management23,276$223.7K0.00%––
Winton Group Ltd19,930$192.0K0.01%––
Synovus Financial Corp19,151$184.0K0.00%––
Sawgrass Asset Management LLC19,075$183.0K0.01%––
Thompson Siegel & Walmsley LLC17,524$168.0K0.00%––