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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, Q4 2022

Institutional positions in A10 Networks, Inc. as of Dec 31, 2022. 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
223
+23 vs. Q3 2022
Shares held
65.9M
+678.7K (+1.0%) vs. Q3 2022
Total value
$1.10B
+$229.9M (+26.6%) vs. Q3 2022
New holders
46
64 more added
Sold out
23
88 more reduced

2 institutions that held it in Q3 2022 haven't filed for Q4 2022 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.

Compare with Q3 2022: 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 holdersQ4 2022: 223 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 heldQ4 2022: $1.10B
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, Q4 2022

Shares, value and share of portfolio for each institution holding A10 Networks, Inc.; share changes are against Q3 2022.

Institutions holding ATEN in Q4 2022
InstitutionSharesValue% of portfolioChange in sharesAction
BlackRock Inc.11,587,593$192.7M0.01%+209,363+1.8%Added
Vanguard Group Inc5,694,530$94.7M0.00%−120,053−2.1%Reduced
Summit Partners L P3,877,890$64.5M5.26%−1,500,000−27.9%Reduced
First Trust Advisors LP2,500,828$41.6M0.05%+209,955+9.2%Added
Renaissance Technologies LLC2,484,633$41.3M0.06%−195,900−7.3%Reduced
Mirae Asset Global Investments Co., Ltd.2,327,889$38.7M0.10%+961,915+70.4%Added
State Street Corp2,239,689$37.2M0.00%−246,716−9.9%Reduced
Alliancebernstein L.P.2,188,119$36.4M0.02%−333,019−13.2%Reduced
Bank of New York Mellon Corp1,674,713$27.9M0.01%−304,463−15.4%Reduced
Legal & General Group Plc1,605,040$26.7M0.01%+15,331+1.0%Added
Dimensional Fund Advisors LP1,315,280$21.9M0.01%+83,288+6.8%Added
Millennium Management LLC1,243,680$20.7M0.02%+260,042+26.4%Added
Geode Capital Management, LLC1,150,742$19.1M0.00%+14,855+1.3%Added
Price T Rowe Associates Inc1,066,973$17.7M0.00%+11,959+1.1%Added
Morgan Stanley1,047,197$17.4M0.00%+306,759+41.4%Added
Punch & Associates Investment Management, Inc.959,511$16.0M1.03%+9,261+1.0%Added
Peregrine Capital Management LLC898,889$14.9M0.47%−9,769−1.1%Reduced
Assenagon Asset Management S.A.885,288$14.7M0.06%+860,859+3,523.9%Added
Wells Fargo & Company838,980$14.0M0.00%+5,624+0.7%Added
Impax Asset Management Group plc815,000$13.6M0.06%−185,000−18.5%Reduced
Driehaus Capital Management LLC799,256$13.3M0.20%+365,985+84.5%Added
Ameriprise Financial Inc756,455$12.6M0.00%−107,643−12.5%Reduced
Goldman Sachs Group Inc711,425$11.8M0.00%+188,186+36.0%Added
Charles Schwab Investment Management Inc643,954$10.7M0.00%−1,343−0.2%Reduced
Northern Trust Corp635,462$10.6M0.00%+3,273+0.5%Added
Royce & Associates LP601,894$10.0M0.11%−96,100−13.8%Reduced
Rice Hall James & Associates, LLC591,078$9.83M0.56%−21,356−3.5%Reduced
Invesco Ltd.557,457$9.27M0.00%−115,347−17.1%Reduced
Mesirow Institutional Investment Management, Inc.457,027$7.60M1.00%−355,420−43.7%Reduced
Paradigm Capital Management Inc427,800$7.11M0.47%00.0%Unchanged
Two Sigma Advisers, LP419,700$6.98M0.02%+1,000+0.2%Added
Principal Financial Group Inc407,865$6.78M0.01%−27,319−6.3%Reduced
Nuveen Asset Management, LLC383,356$6.38M0.00%+171,815+81.2%Added
ETF Managers Group, LLC366,853$6.10M0.29%+10,511+2.9%Added
Bridgeway Capital Management, LLC363,200$6.04M0.16%+363,200New
Cubist Systematic Strategies, LLC335,967$5.59M0.05%+296,057+741.8%Added
Hillsdale Investment Management Inc.334,100$5.56M0.47%−60,400−15.3%Reduced
Algert Global LLC321,148$5.34M0.30%+34,450+12.0%Added
Allianz Asset Management GmbH319,374$5.31M0.01%−13,636−4.1%Reduced
SEI Investments Co316,286$5.26M0.01%+15,033+5.0%Added
Two Sigma Investments, LP281,615$4.68M0.02%+281,615New
Deprince Race & Zollo Inc266,679$4.43M0.10%+266,679New
1492 Capital Management LLC250,559$4.17M2.70%−2,202−0.9%Reduced
Bridge City Capital, LLC237,608$3.95M2.03%−1,683−0.7%Reduced
Russell Investments Group, Ltd.201,446$3.35M0.01%+61,323+43.8%Added
New York State Common Retirement Fund199,824$3.32M0.00%−37,306−15.7%Reduced
Citadel Advisors LLC199,370$3.32M0.00%−84,683−29.8%Reduced
Los Angeles Capital Management LLC189,941$3.16M0.02%−23,402−11.0%Reduced
Lewis Capital Management, LLC186,467$3.10M4.75%−1,590−0.8%Reduced
Bank of America Corp184,529$3.07M0.00%+131,615+248.7%Added
Penserra Capital Management LLC184,401$3.07M0.07%−97,860−34.7%Reduced
Norges Bank183,800$3.06M0.00%+183,800New
Allspring Global Investments Holdings, LLC181,052$3.01M0.01%−22,459−11.0%Reduced
Rhumbline Advisers179,288$2.98M0.00%−315−0.2%Reduced
EAM Investors, LLC178,160$2.96M0.61%+178,160New
Jane Street Group, LLC165,323$2.75M0.01%+165,323New
Hennion & Walsh Asset Management, Inc.160,965$2.68M0.17%+9,465+6.2%Added
Swiss National Bank156,400$2.60M0.00%+3,600+2.4%Added
BNP Paribas Arbitrage, SA150,096$2.50M0.01%−48,880−24.6%Reduced
Davy Global Fund Management Ltd146,413$2.43M0.50%−20,128−12.1%Reduced
EAM Global Investors LLC142,147$2.36M0.61%+142,147New
Martingale Asset Management L P140,639$2.34M0.05%−4,490−3.1%Reduced
Tudor Investment Corp Et Al138,227$2.30M0.06%+138,227New
Healthcare of Ontario Pension Plan Trust Fund137,000$2.28M0.01%+75,000+121.0%Added
Oberweis Asset Management Inc131,200$2.18M0.46%+20,800+18.8%Added
Deutsche Bank AG129,303$2.15M0.00%+18,182+16.4%Added
Fuller & Thaler Asset Management, Inc.127,757$2.13M0.01%−60,758−32.2%Reduced
Squarepoint Ops LLC124,960$2.08M0.02%+124,960New
Prudential Financial Inc121,017$2.01M0.00%−152,490−55.8%Reduced
Citigroup Inc119,796$1.99M0.00%−5,790−4.6%Reduced
Balyasny Asset Management LLC118,236$1.97M0.01%+118,236New
Public Sector Pension Investment Board116,252$1.93M0.02%−5,221−4.3%Reduced
Banque Cantonale Vaudoise111,979$1.86M0.10%−2,518−2.2%Reduced
Putnam Investments LLC110,049$1.83M0.00%−16,252−12.9%Reduced
Jupiter Asset Management Ltd106,475$1.77M0.03%−265,083−71.3%Reduced
Fisher Asset Management, LLC101,482$1.69M0.00%+80.0%Added
Barclays PLC100,486$1.67M0.00%−34,486−25.6%Reduced
JPMorgan Chase & Co99,733$1.66M0.00%−45,817−31.5%Reduced
Globeflex Capital L P97,873$1.63M0.21%−1,551−1.6%Reduced
Graham Capital Management, L.P.94,248$1.57M0.06%+94,248New
Victory Capital Management Inc93,269$1.55M0.00%+25,427+37.5%Added
Assetmark, Inc88,806$1.48M0.01%+3,888+4.6%Added
Legato Capital Management LLC83,492$1.39M0.27%+83,492New
California State Teachers Retirement System81,827$1.36M0.00%+334+0.4%Added
Engineers Gate Manager LP78,316$1.30M0.08%+78,316New
Arrowstreet Capital, Limited Partnership77,432$1.29M0.00%+77,432New
Great West Life Assurance Co76,013$1.26M0.00%+4,780+6.7%Added
Ergoteles LLC71,623$1.19M0.04%+71,623New
Merit Financial Group, LLC71,036$1.18M0.04%+71,036New
Gilder Gagnon Howe & Co LLC70,696$1.18M0.02%+70,696New
Commonwealth of Pennsylvania Public School Empls Retrmt Sys68,387$1.14M0.01%+8,007+13.3%Added
Aristides Capital LLC66,101$1.10M0.68%−22,217−25.2%Reduced
Trexquant Investment LP65,696$1.09M0.03%+7,858+13.6%Added
Thrivent Financial for Lutherans65,545$1.09M0.00%−2,959−4.3%Reduced
Verity Asset Management, Inc.60,380$1.00M0.86%−6,313−9.5%Reduced
Jump Financial, LLC56,204$934.7K0.05%+56,204New
Teton Advisors, Inc.56,000$931.3K0.24%−15,000−21.1%Reduced
Cornercap Investment Counsel Inc54,855$912.2K0.16%+54,855New
Voya Investment Management LLC53,281$886.1K0.00%+11,268+26.8%Added
Credit Suisse AG52,540$873.7K0.00%−2,820−5.1%Reduced