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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 2021

Institutional positions in A10 Networks, Inc. as of Dec 31, 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
176
+26 vs. Q3 2021
Shares held
64.8M
−2.42M (−3.6%) vs. Q3 2021
Total value
$1.07B
+$167.6M (+18.5%) vs. Q3 2021
New holders
42
64 more added
Sold out
16
55 more reduced

1 institution that held it in Q3 2021 haven't filed for Q4 2021 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.

Compare with Q3 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 holdersQ4 2021: 176 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 2021: $1.07B
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 2021

Shares, value and share of portfolio for each institution holding A10 Networks, Inc.; share changes are against Q3 2021.

Institutions holding ATEN in Q4 2021
InstitutionSharesValue% of portfolioChange in sharesAction
Covestor Ltd59$1.00K0.00%+59New
CoreCap Advisors, LLC130$2.00K0.00%+130New
Shore Point Advisors, LLC151$2.00K0.00%+151New
Rockefeller Capital Management L.P.200$3.00K0.00%00.0%Unchanged
TCI Wealth Advisors, Inc.271$4.00K0.00%+231+577.5%Added
Rockbridge Investment Management, LCC241$4.00K0.00%+241New
FMR LLC287$5.00K0.00%00.0%Unchanged
Federated Hermes, Inc.377$6.00K0.00%−2,988−88.8%Reduced
Manchester Capital Management LLC381$6.00K0.00%+244+178.1%Added
NewSquare Capital LLC445$7.00K0.00%−445−50.0%Reduced
Signaturefd, LLC500$8.00K0.00%00.0%Unchanged
Tower Research Capital LLC (TRC)530$9.00K0.00%−1,391−72.4%Reduced
Cutler Group LP826$13.0K0.00%+189+29.7%Added
NEXT Financial Group, Inc1,000$17.0K0.00%+1,000New
Macquarie Group Ltd1,351$22.0K0.00%00.0%Unchanged
Great West Life Assurance Co1,512$25.0K0.00%00.0%Unchanged
Copeland Capital Management, LLC2,282$38.0K0.00%+2,282New
Altshuler Shaham Ltd2,711$45.0K0.00%−2,449−47.5%Reduced
Itau Unibanco Holding S.A.3,317$55.0K0.00%+3,317New
Advisor Group Holdings, Inc.3,448$57.0K0.00%+240+7.5%Added
New York State Teachers Retirement System3,500$58.0K0.00%+3,500New
Psagot Value Holdings Ltd. / (Israel)3,500$58.0K0.01%+3,500New
Marshall Wace, LLP3,705$62.0K0.00%+3,705New
Group One Trading, L.P.4,847$80.0K0.00%−11,648−70.6%Reduced
Ameritas Investment Partners, Inc.4,968$82.0K0.00%00.0%Unchanged
Daiwa Securities Group Inc.6,095$101.0K0.00%+6,095New
State of Wyoming6,277$104.0K0.05%+6,277New
Zurcher Kantonalbank (Zurich Cantonalbank)6,739$112.0K0.00%00.0%Unchanged
The PNC Financial Services Group, Inc.7,113$118.0K0.00%+113+1.6%Added
First Eagle Investment Management, LLC9,165$152.0K0.00%+1,950+27.0%Added
Amalgamated Bank10,145$168.0K0.00%−193−1.9%Reduced
Leonteq Securities AG10,566$175.2K0.01%+10,566New
O'Shaughnessy Asset Management, LLC11,432$190.0K0.00%+1,869+19.5%Added
Teacher Retirement System of Texas11,434$190.0K0.00%+11,434New
Janus Henderson Group PLC11,612$192.0K0.00%+11,612New
Cornerstone Investment Partners, LLC12,000$199.0K0.01%+12,000New
Secure Asset Management, LLC12,907$214.0K0.09%+629+5.1%Added
Royal Bank of Canada13,125$217.0K0.00%+5,952+83.0%Added
ProShare Advisors LLC13,130$218.0K0.00%+13,130New
Wedge Capital Management L L P13,950$231.0K0.00%00.0%Unchanged
Gotham Asset Management, LLC14,725$244.0K0.01%+14,725New
Metropolitan Life Insurance Co14,774$245.0K0.00%+1,115+8.2%Added
Synovus Financial Corp14,800$245.0K0.00%+49+0.3%Added
Engineers Gate Manager LP15,320$254.0K0.01%+4,631+43.3%Added
Arizona State Retirement System15,505$257.0K0.00%−294−1.9%Reduced
Thompson Siegel & Walmsley LLC15,814$262.0K0.00%+819+5.5%Added
Canada Pension Plan Investment Board16,000$265.0K0.00%−40,000−71.4%Reduced
Lazard Asset Management LLC16,563$274.0K0.00%+1,083+7.0%Added
HRT Financial LP17,533$290.0K0.00%+17,533New
Robeco Institutional Asset Management B.V.18,065$300.0K0.00%+18,065New
Fox Run Management, L.L.C.19,302$320.0K0.19%+19,302New
PEAK6 Investments LLC19,444$322.0K0.01%+19,444New
Arrowstreet Capital, Limited Partnership19,941$331.0K0.00%+19,941New
MetLife Investment Management21,038$348.8K0.00%00.0%Unchanged
Simplex Trading, LLC22,347$370.0K0.01%+17,857+397.7%Added
First Quadrant L P22,355$371.0K0.04%+22,355New
PDT Partners, LLC22,791$378.0K0.03%+22,791New
State of Wisconsin Investment Board23,300$386.0K0.00%+7,900+51.3%Added
Voya Investment Management LLC23,742$394.0K0.00%−1,931−7.5%Reduced
US Bancorp23,887$396.0K0.00%−6,612−21.7%Reduced
SG Americas Securities, LLC26,702$443.0K0.00%−19,919−42.7%Reduced
Aristides Capital LLC30,000$497.0K0.29%+5,000+20.0%Added
Manufacturers Life Insurance Company, The31,337$520.0K0.00%−900−2.8%Reduced
American International Group, Inc.31,937$530.0K0.00%−956−2.9%Reduced
Massachusetts Financial Services Co32,766$543.0K0.00%+32,766New
Cascade Investment Advisors, Inc.32,905$545.6K0.32%+32,905New
Quantedge Capital Pte Ltd33,800$560.0K0.24%+33,800New
DuPont Capital Management Corp33,940$563.0K0.02%−13,532−28.5%Reduced
Blueshift Asset Management, LLC33,984$563.0K0.05%+33,984New
UBS Group AG34,138$566.0K0.00%+26,615+353.8%Added
Credit Suisse AG39,499$655.0K0.00%−600−1.5%Reduced
Shell Asset Management Co40,911$678.0K0.01%+188+0.5%Added
Qube Research & Technologies Ltd42,651$707.0K0.01%+22,316+109.7%Added
IndexIQ Advisors LLC43,944$729.0K0.02%−2,840−6.1%Reduced
State of Tennessee, Treasury Department44,845$744.0K0.00%+12,446+38.4%Added
Victory Capital Management Inc47,375$785.0K0.00%+17,827+60.3%Added
Deutsche Bank AG47,579$789.0K0.00%−17,796−27.2%Reduced
DekaBank Deutsche Girozentrale47,750$791.0K0.00%00.0%Unchanged
Allianz Asset Management GmbH49,861$826.0K0.00%+36,985+287.2%Added
Trexquant Investment LP50,670$840.0K0.05%+40,622+404.3%Added
Dynamic Technology Lab Private Ltd50,735$841.0K0.09%+50,735New
Gamco Investors, Inc. Et Al52,500$870.0K0.01%00.0%Unchanged
D. E. Shaw & Co., Inc.54,258$900.0K0.00%+54,258New
Franklin Resources Inc54,353$901.0K0.00%−97−0.2%Reduced
Panagora Asset Management Inc56,254$933.0K0.00%−429−0.8%Reduced
Verity Asset Management, Inc.56,873$943.0K0.56%+6,415+12.7%Added
Bank of America Corp57,347$951.0K0.00%+14,583+34.1%Added
Invesco Ltd.57,883$959.0K0.00%+4,261+7.9%Added
Migdal Insurance & Financial Holdings Ltd.58,154$964.0K0.01%−226,538−79.6%Reduced
STRS Ohio59,100$979.0K0.00%+41,400+233.9%Added
Susquehanna Fundamental Investments, LLC65,444$1.08M0.03%+14,304+28.0%Added
Rhumbline Advisers67,848$1.13M0.00%−1,231−1.8%Reduced
Cambridge Investment Research Advisors, Inc.69,960$1.16M0.01%−700−1.0%Reduced
Gsa Capital Partners LLP70,197$1.16M0.15%+28,009+66.4%Added
Virginia Retirement Systems Et Al71,900$1.19M0.01%−6,000−7.7%Reduced
Hennion & Walsh Asset Management, Inc.75,511$1.25M0.06%+35,182+87.2%Added
Squarepoint Ops LLC75,879$1.26M0.01%+75,879New
Principal Financial Group Inc76,382$1.27M0.00%+64,974+569.5%Added
APG Asset Management N.V.87,600$1.28M0.00%+3,400+4.0%Added
UBS Asset Management Americas Inc77,576$1.29M0.00%−1,705−2.2%Reduced