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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
BlackRock, Inc.13,058,107$237.0M0.00%−171,606−1.3%Reduced
Vanguard Group Inc7,235,070$131.3M0.00%−92,547−1.3%Reduced
Penserra Capital Management LLC3,658,453$66.4M0.79%−306,536−7.7%Reduced
State Street Corp3,288,187$59.7M0.00%−34,466−1.0%Reduced
Mirae Asset Global ETFs Holdings Ltd.2,699,629$49.0M0.08%+35,381+1.3%Added
Boston Trust Walden Corp2,639,992$47.9M0.35%+477,196+22.1%Added
Renaissance Technologies LLC2,386,787$43.3M0.06%−113,119−4.5%Reduced
Wellington Management Group LLP2,054,213$37.3M0.01%+588,922+40.2%Added
First Trust Advisors LP2,034,271$36.9M0.03%+84,848+4.4%Added
Geode Capital Management, LLC1,767,579$32.1M0.00%−15,978−0.9%Reduced
Dimensional Fund Advisors LP1,633,590$29.6M0.01%−80,456−4.7%Reduced
Price T Rowe Associates Inc1,573,065$28.6M0.00%+68,210+4.5%Added
Punch & Associates Investment Management, Inc.1,431,358$26.0M1.51%+55,469+4.0%Added
Barclays PLC1,365,259$24.8M0.01%+695,150+103.7%Added
Arrowstreet Capital, Limited Partnership1,226,347$22.3M0.01%−80,317−6.1%Reduced
Morgan Stanley755,476$13.7M0.00%−291,943−27.9%Reduced
Invesco Ltd.741,030$13.4M0.00%+144,952+24.3%Added
Northern Trust Corp727,631$13.2M0.00%−27,265−3.6%Reduced
Bank of New York Mellon Corp717,401$13.0M0.00%−16,551−2.3%Reduced
Charles Schwab Investment Management Inc709,212$12.9M0.00%+3,487+0.5%Added
Royce & Associates LP694,828$12.6M0.13%−27,341−3.8%Reduced
Two Sigma Investments, LP683,246$12.4M0.02%+110,082+19.2%Added
Goldman Sachs Group Inc620,182$11.3M0.00%+63,485+11.4%Added
UBS Group AG606,156$11.0M0.00%+215,907+55.3%Added
Qube Research & Technologies Ltd563,476$10.2M0.01%+228,837+68.4%Added
Victory Capital Management Inc467,367$8.48M0.01%+52,393+12.6%Added
Two Sigma Advisers, LP453,400$8.23M0.02%+12,103+2.7%Added
Aptus Capital Advisors, LLC448,423$8.14M0.07%+124,731+38.5%Added
Principal Financial Group Inc421,423$7.65M0.00%+7,788+1.9%Added
Bridge City Capital, LLC419,748$7.62M2.03%+1,817+0.4%Added
Paradigm Capital Management Inc407,000$7.39M0.32%−6,100−1.5%Reduced
JPMorgan Chase & Co380,161$6.90M0.00%+60,372+18.9%Added
Impax Asset Management Group plc360,000$6.53M0.04%00.0%Unchanged
Citadel Advisors LLC350,793$6.37M0.01%+130,207+59.0%Added
Tudor Investment Corp Et Al319,422$5.80M0.04%−84,787−21.0%Reduced
Crawford Investment Counsel Inc286,817$5.21M0.09%+286,817New
Public Sector Pension Investment Board281,460$5.11M0.02%+35,691+14.5%Added
Rice Hall James & Associates, LLC273,797$4.97M0.27%−64,268−19.0%Reduced
Connor, Clark & Lunn Investment Management Ltd.268,944$4.88M0.02%+11,334+4.4%Added
Peregrine Capital Management LLC252,746$4.59M0.14%−119,620−32.1%Reduced
Voya Investment Management LLC248,468$4.51M0.00%−26,258−9.6%Reduced
American Century Companies Inc245,534$4.46M0.00%+9,454+4.0%Added
Davy Global Fund Management Ltd238,252$4.32M0.29%+4,361+1.9%Added
Harbor Capital Advisors, Inc.238,135$4.32M0.34%−590,481−71.3%Reduced
Legal & General Group Plc214,466$3.89M0.00%−778,212−78.4%Reduced
Hussman Strategic Advisors, Inc.210,000$3.81M0.83%+210,000New
Man Group plc206,937$3.76M0.01%+10,799+5.5%Added
Rhumbline Advisers202,075$3.67M0.00%−5,519−2.7%Reduced
Assenagon Asset Management S.A.200,510$3.64M0.01%+200,510New
Bank of America Corp198,498$3.60M0.00%+61,650+45.0%Added
Wells Fargo & Company190,329$3.45M0.00%−48,117−20.2%Reduced
Summit Partners L P187,367$3.40M0.37%00.0%Unchanged
Prudential Financial Inc186,534$3.39M0.00%−100,855−35.1%Reduced
Marshall Wace, LLP175,083$3.18M0.00%−442,588−71.7%Reduced
Hillsdale Investment Management Inc.172,700$3.13M0.09%−4,400−2.5%Reduced
Nuveen, LLC164,395$2.98M0.00%−3,968−2.4%Reduced
HRT Financial LP156,985$2.85M0.01%+156,985New
BNP Paribas Arbitrage, SA155,165$2.82M0.00%+88,169+131.6%Added
Franklin Resources Inc153,027$2.82M0.00%+43,388+39.6%Added
October Effect Ltd153,490$2.79M3.07%+153,490New
Universal- Beteiligungs- und Servicegesellschaft mbH147,247$2.67M0.00%+5,444+3.8%Added
Banque Cantonale Vaudoise146,812$2.67M0.10%+20,997+16.7%Added
Millennium Management LLC144,845$2.63M0.00%+51,718+55.5%Added
Ameriprise Financial Inc141,971$2.58M0.00%−6,667−4.5%Reduced
DZ BANK AG Deutsche Zentral Genossenschafts Bank, Frankfurt am Main140,666$2.55M0.00%00.0%Unchanged
Swiss National Bank139,800$2.54M0.00%−1,400−1.0%Reduced
UBS Asset Management Americas Inc136,287$2.47M0.00%−163,192−54.5%Reduced
Trexquant Investment LP133,813$2.43M0.03%+133,813New
State Board of Administration of Florida Retirement System130,741$2.37M0.00%−3,079−2.3%Reduced
SEI Investments Co126,266$2.29M0.00%−59,927−32.2%Reduced
Voloridge Investment Management, LLC121,990$2.21M0.01%−17,217−12.4%Reduced
Wedge Capital Management L L P119,015$2.16M0.04%+27,514+30.1%Added
ExodusPoint Capital Management, LP107,364$1.95M0.03%+107,364New
Mackenzie Financial Corp102,676$1.86M0.00%−127,835−55.5%Reduced
Martingale Asset Management L P101,293$1.84M0.05%−642−0.6%Reduced
New York State Common Retirement Fund97,845$1.78M0.00%00.0%Unchanged
Teacher Retirement System of Texas96,906$1.76M0.01%+10,396+12.0%Added
Truist Financial Corp93,121$1.69M0.00%−1,518−1.6%Reduced
Verity Asset Management, Inc.91,400$1.66M0.54%+2,795+3.2%Added
Canada Pension Plan Investment Board85,300$1.55M0.00%−13,200−13.4%Reduced
HSBC Holdings PLC83,459$1.49M0.00%+32,936+65.2%Added
Citigroup Inc80,472$1.46M0.00%−34,901−30.3%Reduced
California State Teachers Retirement System80,099$1.45M0.00%+40.0%Added
Great West Life Assurance Co80,265$1.45M0.00%+3,049+3.9%Added
Legato Capital Management LLC75,635$1.37M0.15%00.0%Unchanged
Cresset Asset Management, LLC72,307$1.31M0.01%+942+1.3%Added
Deutsche Bank AG71,399$1.30M0.00%+8,481+13.5%Added
Winton Group Ltd70,766$1.28M0.05%+215+0.3%Added
Jacobs Levy Equity Management, Inc70,739$1.28M0.01%−407,774−85.2%Reduced
Alliancebernstein L.P.69,738$1.27M0.00%−2,152−3.0%Reduced
Fisher Asset Management, LLC69,682$1.26M0.00%−5,258−7.0%Reduced
Summit Global Investments68,731$1.25M0.07%+68,731New
KLP Kapitalforvaltning AS68,500$1.24M0.00%+10,400+17.9%Added
Jane Street Group, LLC68,404$1.24M0.00%+68,404New
Allianz Asset Management GmbH67,115$1.22M0.00%−37,129−35.6%Reduced
Susquehanna International Group, LLP66,314$1.20M0.00%−68,818−50.9%Reduced
Hennion & Walsh Asset Management, Inc.66,175$1.20M0.04%+19,538+41.9%Added
QSV Equity Investors LLC65,479$1.19M1.21%+65,479New
Globeflex Capital L P65,303$1.19M0.18%00.0%Unchanged
Toroso Investments, LLC63,508$1.15M0.00%+35,603+127.6%Added