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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, Q2 2021

Institutional positions in A10 Networks, Inc. as of Jun 30, 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
132
−2 vs. Q1 2021
Shares held
66.1M
−164.1K (−0.2%) vs. Q1 2021
Total value
$744.2M
+$113.7M (+18.0%) vs. Q1 2021
New holders
18
41 more added
Sold out
20
51 more reduced

Compare with Q1 2021: new holders, sold out and not filed yet

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 holdersQ2 2021: 132 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 heldQ2 2021: $744.2M
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, Q2 2021

Shares, value and share of portfolio for each institution holding A10 Networks, Inc.; share changes are against Q1 2021.

Institutions holding ATEN in Q2 2021
InstitutionSharesValue% of portfolioChange in sharesAction
Summit Partners L P9,560,941$107.7M5.60%00.0%Unchanged
VIEX Capital Advisors, LLC7,691,096$86.6M62.04%00.0%Unchanged
Vanguard Group Inc5,376,131$60.5M0.00%+558,820+11.6%Added
BlackRock Inc.5,356,360$60.3M0.00%−292,661−5.2%Reduced
Alliancebernstein L.P.3,278,111$36.9M0.01%+977,566+42.5%Added
Renaissance Technologies LLC3,067,633$34.5M0.04%−164,800−5.1%Reduced
Legal & General Group Plc2,831,019$31.9M0.01%−855,954−23.2%Reduced
ETF Managers Group, LLC2,411,207$27.4M0.45%−172,619−6.7%Reduced
Royce & Associates LP1,840,456$20.7M0.14%+36,413+2.0%Added
State Street Corp1,829,338$20.6M0.00%+357,761+24.3%Added
Bank of New York Mellon Corp1,541,251$17.4M0.00%+116,336+8.2%Added
Peregrine Capital Management LLC1,365,712$15.4M0.28%−143,224−9.5%Reduced
Jacobs Levy Equity Management, Inc1,297,498$14.6M0.10%+71,640+5.8%Added
First Trust Advisors LP1,203,044$13.5M0.01%−463,734−27.8%Reduced
Geode Capital Management, LLC1,104,131$12.4M0.00%+68,970+6.7%Added
JPMorgan Chase & Co1,078,065$12.1M0.00%+848,779+370.2%Added
Deutsche Bank AG845,041$9.52M0.00%+60,532+7.7%Added
Two Sigma Advisers, LP812,900$9.15M0.02%+83,600+11.5%Added
Dimensional Fund Advisors LP689,360$7.76M0.00%+196,603+39.9%Added
Two Sigma Investments, LP679,370$7.65M0.02%+276,519+68.6%Added
Charles Schwab Investment Management Inc643,833$7.25M0.00%+12,499+2.0%Added
Northern Trust Corp623,522$7.02M0.00%−20,835−3.2%Reduced
Penserra Capital Management LLC612,655$6.90M0.13%−64,295−9.5%Reduced
Assenagon Asset Management S.A.587,116$6.61M0.03%+101,657+20.9%Added
Prudential Financial Inc498,756$5.62M0.01%−150,415−23.2%Reduced
Paradigm Capital Management Inc426,600$4.80M0.23%+100,000+30.6%Added
BNP Paribas Arbitrage, SA382,543$4.31M0.01%−12,271−3.1%Reduced
Hillsdale Investment Management Inc.374,000$4.21M0.34%00.0%Unchanged
Mirae Asset Global Investments Co., Ltd.364,899$4.11M0.01%−401,020−52.4%Reduced
Los Angeles Capital Management LLC330,806$3.73M0.02%−19,940−5.7%Reduced
Morgan Stanley317,096$3.57M0.00%+290,676+1,100.2%Added
Nuveen Asset Management, LLC297,933$3.35M0.00%−4,464−1.5%Reduced
Citigroup Inc295,949$3.33M0.00%+7,958+2.8%Added
Bridge City Capital, LLC292,467$3.29M1.12%−9,973−3.3%Reduced
Walthausen & Co., LLC282,890$3.19M0.70%−31,500−10.0%Reduced
Fuller & Thaler Asset Management, Inc.258,745$2.91M0.02%−6,485−2.4%Reduced
AQR Capital Management LLC234,132$2.64M0.00%−36,554−13.5%Reduced
Globeflex Capital L P223,925$2.52M0.45%+153+0.1%Added
Wells Fargo & Company220,176$2.48M0.00%−59,888−21.4%Reduced
State Board of Administration of Florida Retirement System213,069$2.40M0.00%+170,387+399.2%Added
Russell Investments Group, Ltd.206,123$2.32M0.00%−38,865−15.9%Reduced
New York State Common Retirement Fund194,699$2.19M0.00%+8,397+4.5%Added
Susquehanna International Group, LLP185,918$2.09M0.00%−81,454−30.5%Reduced
Parametric Portfolio Associates LLC173,936$1.96M0.00%−8,412−4.6%Reduced
Bank of Montreal169,719$1.95M0.00%+168,020+9,889.3%Added
Jupiter Asset Management Ltd161,441$1.82M0.02%+121,121+300.4%Added
King Luther Capital Management Corp159,000$1.79M0.01%+1,450+0.9%Added
Cooper Creek Partners Management LLC143,240$1.61M0.43%00.0%Unchanged
Millennium Management LLC142,324$1.60M0.00%+142,324New
Citadel Advisors LLC139,742$1.57M0.00%+139,742New
Davide Leone & Partners Investment Co Ltd.136,303$1.53M0.25%+136,303New
Davy Global Fund Management Ltd126,658$1.43M0.22%−115,406−47.7%Reduced
Swiss National Bank126,200$1.42M0.00%+11,700+10.2%Added
Banque Cantonale Vaudoise123,799$1.39M0.06%+45,494+58.1%Added
Goldman Sachs Group Inc120,105$1.35M0.00%−33,426−21.8%Reduced
Rice Hall James & Associates, LLC116,304$1.31M0.05%+116,304New
Teton Advisors, Inc.95,000$1.07M0.14%00.0%Unchanged
Adirondack Research & Management Inc.86,184$970.0K1.13%−17,362−16.8%Reduced
Martingale Asset Management L P85,525$964.0K0.01%+46,496+119.1%Added
California State Teachers Retirement System82,866$933.0K0.00%−7,487−8.3%Reduced
Virginia Retirement Systems Et Al76,900$866.0K0.01%+100+0.1%Added
Cambridge Investment Research Advisors, Inc.69,860$787.0K0.00%−1,345−1.9%Reduced
Gamco Investors, Inc. Et Al69,507$783.0K0.01%−3,000−4.1%Reduced
Worth Venture Partners, LLC68,130$767.0K0.29%+2,748+4.2%Added
UBS Group AG67,199$756.0K0.00%−16,405−19.6%Reduced
Lynrock Lake LP66,666$751.0K0.05%00.0%Unchanged
Rhumbline Advisers66,304$747.0K0.00%−1,094−1.6%Reduced
Jane Street Group, LLC65,589$739.0K0.00%+51,353+360.7%Added
Algert Global LLC65,340$736.0K0.25%−36,170−35.6%Reduced
UBS Asset Management Americas Inc64,796$729.6K0.00%+2,179+3.5%Added
Panagora Asset Management Inc56,940$641.0K0.00%−18,757−24.8%Reduced
DuPont Capital Management Corp54,181$610.0K0.01%00.0%Unchanged
QS Investors, LLC52,700$594.0K0.01%00.0%Unchanged
HRT Financial LP52,538$591.0K0.01%+52,538New
Group One Trading, L.P.50,272$566.0K0.01%−32,245−39.1%Reduced
Bank of America Corp48,780$549.0K0.00%−13,523−21.7%Reduced
Verity Asset Management, Inc.48,346$544.0K0.30%+2,012+4.3%Added
DekaBank Deutsche Girozentrale47,750$532.0K0.00%00.0%Unchanged
Invesco Ltd.47,269$532.0K0.00%+4,113+9.5%Added
Shell Asset Management Co42,483$478.0K0.01%+42,483New
IndexIQ Advisors LLC42,098$474.0K0.02%−1,293−3.0%Reduced
Credit Suisse AG37,016$420.0K0.00%−48,741−56.8%Reduced
Manufacturers Life Insurance Company, The35,516$400.0K0.00%+336+1.0%Added
Vident Investment Advisory, LLC34,245$386.0K0.01%+34,245New
Victory Capital Management Inc34,015$383.0K0.00%−116−0.3%Reduced
American International Group, Inc.33,674$379.0K0.00%−1,249−3.6%Reduced
State of Tennessee, Treasury Department32,399$365.0K0.00%−11,210−25.7%Reduced
US Bancorp30,643$345.0K0.00%+352+1.2%Added
Winton Group Ltd29,442$332.0K0.02%+9,512+47.7%Added
Summit Global Investments26,025$293.0K0.02%−52,100−66.7%Reduced
Voya Investment Management LLC25,673$289.0K0.00%−1,261−4.7%Reduced
Aristides Capital LLC25,000$282.0K0.22%+15,000+150.0%Added
ExodusPoint Capital Management, LP23,123$260.0K0.00%−78,736−77.3%Reduced
Hennion & Walsh Asset Management, Inc.21,434$241.0K0.01%+21,434New
Boothbay Fund Management, LLC19,369$218.0K0.01%+19,369New
Synovus Financial Corp19,151$216.0K0.00%00.0%Unchanged
Sawgrass Asset Management LLC19,075$215.0K0.02%00.0%Unchanged
Wedge Capital Management L L P18,543$209.0K0.00%+18,543New
STRS Ohio17,700$199.0K0.00%+2,600+17.2%Added
Thompson Siegel & Walmsley LLC17,524$197.0K0.00%00.0%Unchanged