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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 2021

Institutional positions in A10 Networks, Inc. as of Sep 30, 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
151
+20 vs. Q2 2021
Shares held
67.2M
+1.21M (+1.8%) vs. Q2 2021
Total value
$906.0M
+$162.4M (+21.8%) vs. Q2 2021
New holders
29
51 more added
Sold out
9
52 more reduced

1 institution that held it in Q2 2021 haven't filed for Q3 2021 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.

Compare with Q2 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 holdersQ3 2021: 151 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 2021: $906.0M
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 2021

Shares, value and share of portfolio for each institution holding A10 Networks, Inc.; share changes are against Q2 2021.

Institutions holding ATEN in Q3 2021
InstitutionSharesValue% of portfolioChange in sharesAction
Carroll Financial Associates, Inc.86$1.00K0.00%+86New
TCI Wealth Advisors, Inc.40$1.00K0.00%+40New
Quadrant Capital Group LLC80$1.00K0.00%+80New
Rockefeller Capital Management L.P.200$2.00K0.00%00.0%Unchanged
Manchester Capital Management LLC137$2.00K0.00%+137New
FMR LLC287$4.00K0.00%+74+34.7%Added
Quantbot Technologies LP301$4.00K0.00%+301New
D'Orazio & Associates, Inc.335$5.00K0.00%+35+11.7%Added
Signaturefd, LLC500$7.00K0.00%00.0%Unchanged
Cutler Group LP637$8.00K0.00%+637New
Catalyst Capital Advisors LLC746$10.0K0.00%+746New
NewSquare Capital LLC890$12.0K0.00%00.0%Unchanged
Macquarie Group Ltd1,351$18.0K0.00%00.0%Unchanged
Counterpoint Mutual Funds LLC1,464$20.0K0.02%+247+20.3%Added
Great West Life Assurance Co1,512$21.0K0.00%00.0%Unchanged
Tower Research Capital LLC (TRC)1,921$26.0K0.00%−338−15.0%Reduced
Advisor Group Holdings, Inc.3,208$44.0K0.00%+398+14.2%Added
Federated Hermes, Inc.3,365$46.0K0.00%−4,123−55.1%Reduced
Simplex Trading, LLC4,490$51.0K0.00%00.0%Unchanged
Ameritas Investment Partners, Inc.4,968$67.0K0.00%00.0%Unchanged
Altshuler Shaham Ltd5,160$70.0K0.00%+5,160New
Zurcher Kantonalbank (Zurich Cantonalbank)6,739$91.0K0.00%00.0%Unchanged
The PNC Financial Services Group, Inc.7,000$94.0K0.00%+7,000New
Royal Bank of Canada7,173$97.0K0.00%+2,610+57.2%Added
First Eagle Investment Management, LLC7,215$97.0K0.00%+3,800+111.3%Added
UBS Group AG7,523$102.0K0.00%−59,676−88.8%Reduced
O'Shaughnessy Asset Management, LLC9,563$129.0K0.00%+1,320+16.0%Added
Trexquant Investment LP10,048$135.0K0.01%+10,048New
Amalgamated Bank10,338$139.0K0.00%−529−4.9%Reduced
Engineers Gate Manager LP10,689$144.0K0.01%+10,689New
Man Group plc10,888$147.0K0.00%+682+6.7%Added
Principal Financial Group Inc11,408$154.0K0.00%+11,408New
Secure Asset Management, LLC12,278$166.0K0.08%+767+6.7%Added
Allianz Asset Management GmbH12,876$174.0K0.00%+12,876New
Metropolitan Life Insurance Co13,659$184.1K0.00%−1,358−9.0%Reduced
Wedge Capital Management L L P13,950$188.0K0.00%−4,593−24.8%Reduced
Synovus Financial Corp14,751$200.0K0.00%−4,400−23.0%Reduced
Thompson Siegel & Walmsley LLC14,995$202.0K0.00%−2,529−14.4%Reduced
Lazard Asset Management LLC15,480$208.0K0.00%+3,941+34.2%Added
State of Wisconsin Investment Board15,400$208.0K0.00%+15,400New
Arizona State Retirement System15,799$213.0K0.00%+234+1.5%Added
Group One Trading, L.P.16,495$222.0K0.00%−33,777−67.2%Reduced
STRS Ohio17,700$238.0K0.00%00.0%Unchanged
Tibra Equities Europe Ltd19,400$262.0K0.40%+19,400New
Jane Street Group, LLC19,908$268.0K0.00%−45,681−69.6%Reduced
Qube Research & Technologies Ltd20,335$274.0K0.00%+20,335New
MetLife Investment Management21,038$283.6K0.00%+8,729+70.9%Added
Summit Global Investments22,725$306.0K0.02%−3,300−12.7%Reduced
Aristides Capital LLC25,000$337.0K0.25%00.0%Unchanged
Voya Investment Management LLC25,673$346.0K0.00%00.0%Unchanged
Sawgrass Asset Management LLC25,875$349.0K0.04%+6,800+35.6%Added
Victory Capital Management Inc29,548$398.0K0.00%−4,467−13.1%Reduced
US Bancorp30,499$411.0K0.00%−144−0.5%Reduced
Cubist Systematic Strategies, LLC30,747$414.0K0.01%+30,747New
Manufacturers Life Insurance Company, The32,237$435.0K0.00%−3,279−9.2%Reduced
State of Tennessee, Treasury Department32,399$437.0K0.00%00.0%Unchanged
American International Group, Inc.32,893$443.0K0.00%−781−2.3%Reduced
Winton Group Ltd38,970$525.0K0.03%+9,528+32.4%Added
Credit Suisse AG40,099$540.0K0.00%+3,083+8.3%Added
Hennion & Walsh Asset Management, Inc.40,329$544.0K0.03%+18,895+88.2%Added
Adirondack Research & Management Inc.40,636$548.0K0.67%−45,548−52.8%Reduced
Shell Asset Management Co40,723$549.0K0.01%−1,760−4.1%Reduced
Barclays PLC42,157$569.0K0.00%+31,430+293.0%Added
Gsa Capital Partners LLP42,188$569.0K0.06%+42,188New
Bank of America Corp42,764$576.0K0.00%−6,016−12.3%Reduced
SG Americas Securities, LLC46,621$628.0K0.00%+46,621New
DekaBank Deutsche Girozentrale47,750$631.0K0.00%00.0%Unchanged
IndexIQ Advisors LLC46,784$631.0K0.02%+4,686+11.1%Added
DuPont Capital Management Corp47,472$640.0K0.02%−6,709−12.4%Reduced
Verity Asset Management, Inc.50,458$680.0K0.44%+2,112+4.4%Added
Susquehanna Fundamental Investments, LLC51,140$689.0K0.01%+51,140New
Gamco Investors, Inc. Et Al52,500$708.0K0.01%−17,007−24.5%Reduced
Invesco Ltd.53,622$723.0K0.00%+6,353+13.4%Added
ExodusPoint Capital Management, LP53,676$724.0K0.01%+30,553+132.1%Added
Franklin Resources Inc54,450$734.0K0.00%+54,450New
Canada Pension Plan Investment Board56,000$755.0K0.00%+56,000New
Panagora Asset Management Inc56,683$764.0K0.00%−257−0.5%Reduced
Deutsche Bank AG65,375$881.0K0.00%−779,666−92.3%Reduced
Rhumbline Advisers69,079$931.0K0.00%+2,775+4.2%Added
Cambridge Investment Research Advisors, Inc.70,660$952.0K0.00%+800+1.1%Added
APG Asset Management N.V.84,200$979.0K0.00%+84,200New
Citadel Advisors LLC72,938$984.0K0.00%−66,804−47.8%Reduced
Connor, Clark & Lunn Investment Management Ltd.75,267$1.01M0.01%+75,267New
Virginia Retirement Systems Et Al77,900$1.05M0.01%+1,000+1.3%Added
UBS Asset Management Americas Inc79,281$1.07M0.00%+14,485+22.4%Added
California State Teachers Retirement System80,248$1.08M0.00%−2,618−3.2%Reduced
Worth Venture Partners, LLC81,765$1.10M0.50%+13,635+20.0%Added
Lynrock Lake LP93,609$1.26M0.08%+26,943+40.4%Added
Teton Advisors, Inc.95,000$1.28M0.19%00.0%Unchanged
Davide Leone & Partners Investment Co Ltd.97,303$1.31M0.37%−39,000−28.6%Reduced
SEI Investments Co99,599$1.34M0.00%+85,120+587.9%Added
Algert Global LLC103,687$1.40M0.19%+38,347+58.7%Added
King Luther Capital Management Corp109,000$1.47M0.01%−50,000−31.4%Reduced
Susquehanna International Group, LLP112,976$1.52M0.00%−72,942−39.2%Reduced
Banque Cantonale Vaudoise121,615$1.64M0.07%−2,184−1.8%Reduced
Aviva PLC124,737$1.68M0.01%+124,737New
Swiss National Bank128,200$1.73M0.00%+2,000+1.6%Added
Davy Global Fund Management Ltd135,424$1.83M0.28%+8,766+6.9%Added
Cooper Creek Partners Management LLC143,240$1.93M0.26%00.0%Unchanged
MESIROW FINANCIAL INVESTMENT MANAGEMENT - Equity & Fixed Income152,450$2.06M0.24%+152,450New