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Livermore
ZHEN

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; 313 institutions reported holding it in 13F filings for Q2 2026, worth $2.86B in total; no superinvestor holds it.

Q2 2026 vs. Q1 2026

How the institutions holding A10 Networks, Inc. changed between Q1 2026 and Q2 2026.

All holders in Q2 2026All holders in Q1 2026

13F holders of ATEN: Q1 2026 compared with Q2 2026
MeasureQ1 2026Of which not filed for Q2 2026Q2 2026Change
Holders2653313+51
Shares72.3M159.7K76.5M+4.37M (+6.0%)
Value$1.67B$3.69M$2.86B+$1.19B (+71.4%)

3 institutions that held it in Q1 2026 haven't filed for Q2 2026 yet. Not filing isn't selling, so the changes leave them out.

New holders (78)

Institutions that held A10 Networks, Inc. at the end of Q2 2026 but not at the end of Q1 2026.

Institutions new to ATEN in Q2 2026
InstitutionSharesValue% of portfolio
Nomura Asset Management International Inc.896,517$33.5M0.05%
Loomis Sayles & Co L P884,023$33.0M0.04%
Acadian Asset Management LLC455,769$17.0M0.02%
Wasatch Advisors Inc416,114$15.5M0.10%
Ceredex Value Advisors LLC387,750$14.5M0.41%
Envestnet Asset Management Inc247,901$9.26M0.00%
Portolan Capital Management, LLC226,920$8.48M0.32%
EAM Investors, LLC188,768$7.05M0.63%
Credit Agricole S A138,000$5.16M0.01%
4D Advisors, LLC135,000$5.04M1.94%
CBOE Vest Financial, LLC66,670$2.49M0.03%
Numerai GP LLC62,047$2.32M0.19%
MML Investors Services, LLC43,183$1.61M0.00%
Stifel Financial Corp40,370$1.51M0.00%
Susquehanna Fundamental Investments, LLC37,489$1.40M0.03%
LPL Financial LLC33,811$1.26M0.00%
Jupiter Topco LLC32,278$1.21M0.00%
Platinum Investment Management Ltd28,630$1.07M0.26%
Neo Ivy Capital Management28,494$1.06M0.25%
Sig Brokerage, LP27,838$1.04M0.17%
Level Four Advisory Services, LLC27,689$1.03M0.03%
Norges Bank26,272$981.5K0.00%
Cetera Investment Advisers19,779$738.9K0.00%
Baader Bank INC17,500$653.8K0.05%
Capital Fund Management S.A.17,387$649.6K0.00%
Horizon Investment Services, LLC17,102$638.9K0.18%
Benjamin Edwards Inc16,980$634.3K0.01%
Massar Capital Management, LP16,336$610.3K0.21%
GWN Securities Inc.16,202$605.3K0.10%
CIBC Bancorp USA Inc.15,547$580.8K0.00%
Teacher Retirement System of Texas14,780$552.2K0.00%
Y-Intercept (Hong Kong) Ltd13,816$516.2K0.01%
Park Avenue Securities LLC13,429$502.0K0.00%
Procyon Private Wealth Partners, LLC12,561$469.3K0.02%
Mercer Global Advisors Inc10,824$404.4K0.00%
USS Investment Management Ltd10,700$399.9K0.00%
Entropy Technologies, LP10,553$394.3K0.02%
Diametric Capital, LP9,972$372.6K0.04%
Quadrature Capital Ltd9,173$342.7K0.00%
State of Wisconsin Investment Board9,138$341.4K0.00%
Swiss Life Asset Management Ltd8,939$334.0K0.00%
Mutual of America Capital Management LLC8,246$308.1K0.00%
GW Henssler & Associates Ltd8,062$301.2K0.01%
LeConte Wealth Management, LLC7,757$289.8K0.16%
Fox Run Management, L.L.C.7,617$284.6K0.05%
Xponance, Inc.7,280$272.0K0.00%
Pinnacle Associates Ltd7,111$265.7K0.00%
Graham Capital Management, L.P.6,960$260.0K0.01%
Sawgrass Asset Management LLC6,741$251.8K0.03%
Baird Financial Group, Inc.6,734$251.6K0.00%
Robeco Institutional Asset Management B.V.6,381$238.4K0.00%
Personal Cfo Solutions, LLC6,282$234.7K0.03%
Grantham, Mayo, Van Otterloo & Co. LLC6,258$233.8K0.00%
Kingdom Financial Group LLC.6,254$233.6K0.06%
denkapparat Operations GmbH6,156$230.0K0.08%
Bank of Montreal6,152$229.8K0.00%
Wealth Enhancement Advisory Services, LLC5,865$218.0K0.00%
Concurrent Investment Advisors, LLC5,659$211.4K0.00%
Sequoia Financial Advisors, LLC5,467$204.2K0.00%
Wiley Bros.-Aintree Capital, LLC5,465$204.2K0.00%
USA Financial Formulas1,758$65.7K0.01%
Spire Wealth Management1,510$56.4K0.00%
Transamerica Financial Advisors, Inc.707$26.4K0.00%
Asset Management One Co.,Ltd.652$24.4K0.00%
Persistent Asset Partners Ltd599$22.4K0.01%
Fulcrum Asset Management LLP166$6.03K0.00%
Clearstead Advisors, LLC129$4.82K0.00%
Raffa Wealth Management, LLC109$4.07K0.00%
IFP Advisors, Inc40$1.49K0.00%
Plante Moran Financial Advisors, LLC30$1.12K0.00%
Horizon Financial Services, LLC18$6720.00%
Ares Financial Consulting, LLC17$6350.00%
Optiver Holding B.V.16$5980.00%
JFS Wealth Advisors, LLC15$5610.00%
Davis Capital Management4$1490.00%
Harbour Investments, Inc.2$750.00%
Capital Advisors, Ltd. LLC13$00.00%
Evolution Advisers, Inc.11$00.00%

Sold out (27)

Institutions that held A10 Networks, Inc. at the end of Q1 2026 and filed for Q2 2026 without it.

Institutions that sold out of ATEN in Q2 2026
InstitutionShares, Q1 2026Value, Q1 2026
Deprince Race & Zollo Inc564,800$13.1M
HRT Financial LP320,380$7.41M
Man Group plc304,441$7.04M
Banque Cantonale Vaudoise139,472$3.23M
Hillsdale Investment Management Inc.127,661$2.95M
Quantbot Technologies LP124,535$2.88M
Healthcare of Ontario Pension Plan Trust Fund98,907$2.29M
Squarepoint Ops LLC45,864$1.06M
VARCOV Co.44,778$1.04M
Mackenzie Financial Corp44,129$1.02M
Gsa Capital Partners LLP40,988$948.0K
Magnetar Financial LLC40,453$935.3K
Horizon Investments, LLC34,314$793.3K
Trexquant Investment LP29,323$677.9K
Seizert Capital Partners, LLC19,747$456.6K
Schonfeld Strategic Advisors LLC18,035$417.0K
Inceptionr LLC16,531$382.2K
Dynamic Technology Lab Private Ltd9,140$211.3K
Nkcfo LLC5,000$116.0K
Quadrant Capital Group LLC2,295$53.1K
Natixis2,260$52.3K
Aster Capital Management (DIFC) Ltd760$12.4K
Sound Income Strategies, LLC265$6.38K
MAI Capital Management122$2.82K
Root Financial Partners, LLC100$2.31K
Golden State Equity Partners82$1.90K
Elequin Capital LP21$486

Not filed for Q2 2026 yet (3)

Institutions that held A10 Networks, Inc. at the end of Q1 2026 and haven't filed a 13F for Q2 2026. Not filing isn't selling, so they aren't counted as sold out.

Institutions holding ATEN in Q1 2026 that haven't filed for Q2 2026
InstitutionShares, Q1 2026Value, Q1 2026
Janus Henderson Group PLC87,505$2.02M
Skopos Labs, Inc.68,949$1.59M
CWM, LLC3,246$75.1K