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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 2022

Institutional positions in A10 Networks, Inc. as of Mar 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
195
+20 vs. Q4 2021
Shares held
63.4M
−1.37M (−2.1%) vs. Q4 2021
Total value
$884.4M
−$188.6M (−17.6%) vs. Q4 2021
New holders
31
76 more added
Sold out
11
79 more reduced

1 institution that held it in Q4 2021 haven't filed for Q1 2022 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.

Compare with Q4 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 holdersQ1 2022: 195 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 2022: $884.4M
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 2022

Shares, value and share of portfolio for each institution holding A10 Networks, Inc.; share changes are against Q4 2021.

Institutions holding ATEN in Q1 2022
InstitutionSharesValue% of portfolioChange in sharesAction
Summit Partners L P8,877,890$123.8M5.49%+16,949+0.2%Added
Vanguard Group Inc5,393,017$75.2M0.00%−302,424−5.3%Reduced
BlackRock Inc.4,580,966$63.9M0.00%+163,954+3.7%Added
Renaissance Technologies LLC2,855,060$39.8M0.05%−99,773−3.4%Reduced
Alliancebernstein L.P.2,828,560$39.5M0.02%−666,508−19.1%Reduced
First Trust Advisors LP2,475,183$34.5M0.04%−1,232,231−33.2%Reduced
Legal & General Group Plc2,124,115$29.6M0.01%−281,587−11.7%Reduced
Bank of New York Mellon Corp1,971,858$27.5M0.01%+148,301+8.1%Added
State Street Corp1,750,229$24.4M0.00%+26,989+1.6%Added
Millennium Management LLC1,736,860$24.2M0.03%−14,474−0.8%Reduced
Geode Capital Management, LLC1,018,422$14.2M0.00%−65,149−6.0%Reduced
JPMorgan Chase & Co1,014,465$14.2M0.00%+105,120+11.6%Added
MESIROW FINANCIAL INVESTMENT MANAGEMENT - Equity & Fixed Income1,004,840$14.0M1.55%+263,732+35.6%Added
Dimensional Fund Advisors LP977,818$13.6M0.00%+97,751+11.1%Added
Peregrine Capital Management LLC924,171$12.9M0.31%−32,000−3.3%Reduced
Punch & Associates Investment Management, Inc.919,334$12.8M0.73%+919,334New
Royce & Associates LP837,794$11.7M0.10%−60,000−6.7%Reduced
Mirae Asset Global Investments Co., Ltd.835,392$11.7M0.02%+140,724+20.3%Added
VIEX Capital Advisors, LLC828,577$11.6M22.30%00.0%Unchanged
Two Sigma Advisers, LP745,900$10.4M0.03%−237,000−24.1%Reduced
Ameriprise Financial Inc682,331$9.52M0.00%+8,206+1.2%Added
Goldman Sachs Group Inc630,148$8.79M0.00%−50,879−7.5%Reduced
Rice Hall James & Associates, LLC615,842$8.59M0.34%+1,202+0.2%Added
Prudential Financial Inc587,672$8.20M0.01%+91,477+18.4%Added
Intrinsic Edge Capital Management LLC573,333$8.00M0.63%−140,643−19.7%Reduced
Northern Trust Corp560,983$7.83M0.00%−22,823−3.9%Reduced
Charles Schwab Investment Management Inc538,458$7.51M0.00%−79,821−12.9%Reduced
Deutsche Bank AG490,347$6.84M0.00%+442,768+930.6%Added
Hillsdale Investment Management Inc.453,000$6.32M0.41%+20,000+4.6%Added
Paradigm Capital Management Inc427,800$5.97M0.32%+1,200+0.3%Added
Assenagon Asset Management S.A.416,733$5.81M0.02%+1,326+0.3%Added
Penserra Capital Management LLC415,977$5.80M0.14%−31,424−7.0%Reduced
Allianz Asset Management GmbH386,597$5.39M0.00%+336,736+675.3%Added
SEI Investments Co380,368$5.29M0.01%−15,830−4.0%Reduced
Jupiter Asset Management Ltd371,991$5.19M0.06%−45,003−10.8%Reduced
HRT Financial LP365,894$5.10M0.04%+348,361+1,986.9%Added
BNP Paribas Arbitrage, SA353,746$4.93M0.01%−226,740−39.1%Reduced
Two Sigma Investments, LP340,269$4.75M0.01%−301,373−47.0%Reduced
Parametric Portfolio Associates LLC339,320$4.73M0.00%−12,253−3.5%Reduced
ETF Managers Group, LLC328,698$4.59M0.09%−1,296,198−79.8%Reduced
Jacobs Levy Equity Management, Inc320,474$4.47M0.03%−200,286−38.5%Reduced
Allspring Global Investments Holdings, LLC296,602$4.14M0.01%−225,754−43.2%Reduced
Algert Global LLC292,871$4.09M0.27%+164,524+128.2%Added
Nuveen Asset Management, LLC280,322$3.96M0.00%+20,728+8.0%Added
Citadel Advisors LLC273,018$3.81M0.00%+42,422+18.4%Added
Impax Asset Management Group plc250,000$3.49M0.01%+250,000New
ExodusPoint Capital Management, LP245,796$3.43M0.05%+126,923+106.8%Added
AQR Capital Management LLC238,752$3.33M0.01%−4,106−1.7%Reduced
Bridge City Capital, LLC231,621$3.23M1.51%−1,163−0.5%Reduced
Fuller & Thaler Asset Management, Inc.223,185$3.11M0.02%−35,710−13.8%Reduced
Citigroup Inc221,859$3.10M0.00%−20,733−8.5%Reduced
Los Angeles Capital Management LLC213,405$2.98M0.01%+4,357+2.1%Added
Susquehanna International Group, LLP209,546$2.92M0.00%+105,034+100.5%Added
Acadian Asset Management LLC204,457$2.85M0.01%+72,050+54.4%Added
Tudor Investment Corp Et Al204,064$2.85M0.07%−26,161−11.4%Reduced
Morgan Stanley201,641$2.81M0.00%+72,653+56.3%Added
New York State Common Retirement Fund198,405$2.77M0.00%−3,331−1.7%Reduced
Connor, Clark & Lunn Investment Management Ltd.196,884$2.75M0.01%−86,955−30.6%Reduced
Lewis Capital Management, LLC176,856$2.47M2.80%+2,562+1.5%Added
Jane Street Group, LLC165,381$2.31M0.00%+165,381New
EAM Investors, LLC153,913$2.15M0.40%−149,826−49.3%Reduced
Walthausen & Co., LLC148,190$2.07M0.58%+15,820+12.0%Added
Banque Cantonale Vaudoise145,004$2.02M0.09%+115+0.1%Added
Swiss National Bank137,500$1.92M0.00%+9,300+7.3%Added
Rafferty Asset Management, LLC137,209$1.91M0.01%−18,109−11.7%Reduced
State Board of Administration of Florida Retirement System129,488$1.81M0.00%−26,260−16.9%Reduced
Russell Investments Group, Ltd.128,954$1.80M0.00%−14,077−9.8%Reduced
Martingale Asset Management L P128,484$1.79M0.03%−14,300−10.0%Reduced
Davy Global Fund Management Ltd127,791$1.78M0.29%+25,629+25.1%Added
AXA S.A.126,500$1.76M0.01%+126,500New
Wells Fargo & Company119,097$1.66M0.00%−15,546−11.5%Reduced
Barclays PLC115,202$1.61M0.00%+1,047+0.9%Added
Jennison Associates LLC112,102$1.56M0.00%+16,471+17.2%Added
Pinz Capital Management, LP111,242$1.55M0.97%+111,242New
Putnam Investments LLC106,930$1.49M0.00%−7,998−7.0%Reduced
EAM Global Investors LLC106,702$1.49M0.27%−126,098−54.2%Reduced
Squarepoint Ops LLC106,360$1.48M0.01%+30,481+40.2%Added
UBS Asset Management Americas Inc100,309$1.40M0.00%+22,733+29.3%Added
Globeflex Capital L P99,424$1.39M0.28%−45,575−31.4%Reduced
First Eagle Investment Management, LLC97,533$1.36M0.00%+88,368+964.2%Added
Qube Research & Technologies Ltd93,953$1.31M0.01%+51,302+120.3%Added
Teton Advisors, Inc.91,000$1.27M0.22%00.0%Unchanged
Advisor Resource Council90,278$1.26M0.38%−36,967−29.1%Reduced
Hennion & Walsh Asset Management, Inc.88,948$1.24M0.07%+13,437+17.8%Added
Worth Venture Partners, LLC84,545$1.18M0.55%+1,416+1.7%Added
Dark Forest Capital Management LP83,552$1.17M0.27%+83,552New
Susquehanna Fundamental Investments, LLC79,644$1.11M0.02%+14,200+21.7%Added
Verity Asset Management, Inc.78,427$1.09M0.70%+21,554+37.9%Added
California State Teachers Retirement System75,222$1.05M0.00%−6,070−7.5%Reduced
Victory Capital Management Inc73,285$1.05M0.00%+25,910+54.7%Added
Kent Lake Capital LLC75,000$1.05M0.65%+75,000New
Gsa Capital Partners LLP72,654$1.01M0.14%+2,457+3.5%Added
Cubist Systematic Strategies, LLC72,405$1.01M0.01%−66,414−47.8%Reduced
D. E. Shaw & Co., Inc.70,430$982.0K0.00%+16,172+29.8%Added
Aristides Capital LLC70,419$982.0K0.67%+40,419+134.7%Added
PDT Partners, LLC69,643$972.0K0.08%+46,852+205.6%Added
Lynrock Lake LP66,666$930.0K0.05%−26,943−28.8%Reduced
Rhumbline Advisers66,672$930.0K0.00%−1,176−1.7%Reduced
Cambridge Investment Research Advisors, Inc.66,610$929.0K0.00%−3,350−4.8%Reduced
Virginia Retirement Systems Et Al65,200$910.0K0.01%−6,700−9.3%Reduced