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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, Q3 2025

Institutional positions in A10 Networks, Inc. as of Sep 30, 2025. 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
237
+7 vs. Q2 2025
Shares held
70.2M
−84.3K (−0.1%) vs. Q2 2025
Total value
$1.27B
−$85.8M (−6.3%) vs. Q2 2025
New holders
41
89 more added
Sold out
34
82 more reduced

2 institutions that held it in Q2 2025 haven't filed for Q3 2025 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.

Compare with Q2 2025: 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 holdersQ3 2025: 237 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 heldQ3 2025: $1.27B
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, Q3 2025

Shares, value and share of portfolio for each institution holding A10 Networks, Inc.; share changes are against Q2 2025.

Institutions holding ATEN in Q3 2025
InstitutionSharesValue% of portfolioChange in sharesAction
Alps Advisors Inc26,134$474.3K0.00%+5,246+25.1%Added
Zurcher Kantonalbank (Zurich Cantonalbank)26,620$483.2K0.00%−15,348−36.6%Reduced
Pathstone Holdings, LLC26,734$485.2K0.00%+3,787+16.5%Added
Capstone Investment Advisors, LLC27,719$503.1K0.00%+27,719New
Asset Management One Co.,Ltd.29,689$538.9K0.00%−12,526−29.7%Reduced
Lazard Asset Management LLC31,122$564.9K0.00%−9,546−23.5%Reduced
New York State Teachers Retirement System32,156$584.0K0.00%+577+1.8%Added
Janus Henderson Group PLC32,278$585.7K0.00%00.0%Unchanged
Louisiana State Employees Retirement System33,200$602.6K0.01%−500−1.5%Reduced
State of Tennessee, Treasury Department33,259$603.7K0.00%00.0%Unchanged
Quantbot Technologies LP33,317$604.7K0.02%+33,317New
Manufacturers Life Insurance Company, The33,464$607.4K0.00%−2,974−8.2%Reduced
Russell Investments Group, Ltd.33,618$610.2K0.00%−5,719−14.5%Reduced
Teton Advisors, LLC36,000$653.4K0.40%+36,000New
Brevan Howard Capital Management LP36,045$654.2K0.01%−3,893−9.7%Reduced
Illinois Municipal Retirement Fund38,135$692.1K0.01%+104+0.3%Added
Royal Bank of Canada38,662$702.0K0.00%−22,975−37.3%Reduced
Engineers Gate Manager LP38,790$704.0K0.01%+38,790New
Intech Investment Management LLC39,433$715.7K0.01%−4,917−11.1%Reduced
State of Alaska, Department of Revenue39,519$716.0K0.01%−3,380−7.9%Reduced
Gotham Asset Management, LLC40,145$728.6K0.00%+40,145New
Illumine Investment Management, LLC40,471$734.6K0.52%+2,034+5.3%Added
MetLife Investment Management41,852$759.6K0.00%+41,852New
Gamco Investors, Inc. Et Al42,000$762.3K0.01%−2,000−4.5%Reduced
AQR Capital Management LLC42,458$770.6K0.00%+377+0.9%Added
Mirae Asset Global Investments Co., Ltd.42,564$772.5K0.00%+5,222+14.0%Added
Raymond James Financial Inc43,032$781.0K0.00%−33,528−43.8%Reduced
Creative Planning44,764$812.5K0.00%+23,246+108.0%Added
Allspring Global Investments Holdings, LLC45,195$820.3K0.00%+17,995+66.2%Added
Federated Hermes, Inc.46,178$838.1K0.00%+156+0.3%Added
Amundi46,091$860.5K0.00%00.0%Unchanged
Jennison Associates LLC47,445$861.1K0.00%+47,445New
Nilsine Partners, LLC50,574$917.9K0.08%+50,574New
Y-Intercept (Hong Kong) Ltd51,817$940.5K0.02%+15,415+42.3%Added
Thrivent Financial for Lutherans52,053$945.0K0.00%−949−1.8%Reduced
Comerica Bank56,473$1.02M0.00%+9,307+19.7%Added
SG Americas Securities, LLC61,277$1.11M0.00%+61,277New
Toroso Investments, LLC63,508$1.15M0.00%+35,603+127.6%Added
Globeflex Capital L P65,303$1.19M0.18%00.0%Unchanged
QSV Equity Investors LLC65,479$1.19M1.21%+65,479New
Hennion & Walsh Asset Management, Inc.66,175$1.20M0.04%+19,538+41.9%Added
Susquehanna International Group, LLP66,314$1.20M0.00%−68,818−50.9%Reduced
Allianz Asset Management GmbH67,115$1.22M0.00%−37,129−35.6%Reduced
Jane Street Group, LLC68,404$1.24M0.00%+68,404New
KLP Kapitalforvaltning AS68,500$1.24M0.00%+10,400+17.9%Added
Summit Global Investments68,731$1.25M0.07%+68,731New
Fisher Asset Management, LLC69,682$1.26M0.00%−5,258−7.0%Reduced
Alliancebernstein L.P.69,738$1.27M0.00%−2,152−3.0%Reduced
Jacobs Levy Equity Management, Inc70,739$1.28M0.01%−407,774−85.2%Reduced
Winton Group Ltd70,766$1.28M0.05%+215+0.3%Added
Deutsche Bank AG71,399$1.30M0.00%+8,481+13.5%Added
Cresset Asset Management, LLC72,307$1.31M0.01%+942+1.3%Added
Legato Capital Management LLC75,635$1.37M0.15%00.0%Unchanged
Great West Life Assurance Co80,265$1.45M0.00%+3,049+3.9%Added
California State Teachers Retirement System80,099$1.45M0.00%+40.0%Added
Citigroup Inc80,472$1.46M0.00%−34,901−30.3%Reduced
HSBC Holdings PLC83,459$1.49M0.00%+32,936+65.2%Added
Canada Pension Plan Investment Board85,300$1.55M0.00%−13,200−13.4%Reduced
Verity Asset Management, Inc.91,400$1.66M0.54%+2,795+3.2%Added
Truist Financial Corp93,121$1.69M0.00%−1,518−1.6%Reduced
Teacher Retirement System of Texas96,906$1.76M0.01%+10,396+12.0%Added
New York State Common Retirement Fund97,845$1.78M0.00%00.0%Unchanged
Martingale Asset Management L P101,293$1.84M0.05%−642−0.6%Reduced
Mackenzie Financial Corp102,676$1.86M0.00%−127,835−55.5%Reduced
ExodusPoint Capital Management, LP107,364$1.95M0.03%+107,364New
Wedge Capital Management L L P119,015$2.16M0.04%+27,514+30.1%Added
Voloridge Investment Management, LLC121,990$2.21M0.01%−17,217−12.4%Reduced
SEI Investments Co126,266$2.29M0.00%−59,927−32.2%Reduced
State Board of Administration of Florida Retirement System130,741$2.37M0.00%−3,079−2.3%Reduced
Trexquant Investment LP133,813$2.43M0.03%+133,813New
UBS Asset Management Americas Inc136,287$2.47M0.00%−163,192−54.5%Reduced
Swiss National Bank139,800$2.54M0.00%−1,400−1.0%Reduced
DZ BANK AG Deutsche Zentral Genossenschafts Bank, Frankfurt am Main140,666$2.55M0.00%00.0%Unchanged
Ameriprise Financial Inc141,971$2.58M0.00%−6,667−4.5%Reduced
Millennium Management LLC144,845$2.63M0.00%+51,718+55.5%Added
Banque Cantonale Vaudoise146,812$2.67M0.10%+20,997+16.7%Added
Universal- Beteiligungs- und Servicegesellschaft mbH147,247$2.67M0.00%+5,444+3.8%Added
October Effect Ltd153,490$2.79M3.07%+153,490New
Franklin Resources Inc153,027$2.82M0.00%+43,388+39.6%Added
BNP Paribas Arbitrage, SA155,165$2.82M0.00%+88,169+131.6%Added
HRT Financial LP156,985$2.85M0.01%+156,985New
Nuveen, LLC164,395$2.98M0.00%−3,968−2.4%Reduced
Hillsdale Investment Management Inc.172,700$3.13M0.09%−4,400−2.5%Reduced
Marshall Wace, LLP175,083$3.18M0.00%−442,588−71.7%Reduced
Prudential Financial Inc186,534$3.39M0.00%−100,855−35.1%Reduced
Summit Partners L P187,367$3.40M0.37%00.0%Unchanged
Wells Fargo & Company190,329$3.45M0.00%−48,117−20.2%Reduced
Bank of America Corp198,498$3.60M0.00%+61,650+45.0%Added
Assenagon Asset Management S.A.200,510$3.64M0.01%+200,510New
Rhumbline Advisers202,075$3.67M0.00%−5,519−2.7%Reduced
Man Group plc206,937$3.76M0.01%+10,799+5.5%Added
Hussman Strategic Advisors, Inc.210,000$3.81M0.83%+210,000New
Legal & General Group Plc214,466$3.89M0.00%−778,212−78.4%Reduced
Harbor Capital Advisors, Inc.238,135$4.32M0.34%−590,481−71.3%Reduced
Davy Global Fund Management Ltd238,252$4.32M0.29%+4,361+1.9%Added
American Century Companies Inc245,534$4.46M0.00%+9,454+4.0%Added
Voya Investment Management LLC248,468$4.51M0.00%−26,258−9.6%Reduced
Peregrine Capital Management LLC252,746$4.59M0.14%−119,620−32.1%Reduced
Connor, Clark & Lunn Investment Management Ltd.268,944$4.88M0.02%+11,334+4.4%Added
Rice Hall James & Associates, LLC273,797$4.97M0.27%−64,268−19.0%Reduced