13F

Stock

A10 Networks, Inc.

ATEN · held by 264 managers

Reported value

$1.54B

Holders

264

+53 new · −33 exited

Holders’ est. mark

$277.4M

Price effect on 195 books still in the name

Largest holder

$302.6M

BlackRock, Inc.

Notable conviction

Share of each notable manager’s 13F book.

Holder count by quarter

Who holds it

Notable only
InvestorSharesValueEst. markChange
BlackRock, Inc.13.1M$302.6M$70.5MAdded$72.9M
VANGUARD PORTFOLIO MANAGEMENT LLC3.39M$78.3MHeld
VANGUARD CAPITAL MANAGEMENT LLC3.12M$72.2MHeld
State Street3.09M$71.4M$16.8MAdded$16.3M
Boston Trust Walden Corp2.17M$50.2M$11.8MAdded$7.07M
WELLINGTON MANAGEMENT GROUP LLP2.07M$48M$11MAdded$12.2M
BARCLAYS PLC1.87M$43.3M$10MAdded$10.8M
Renaissance Technologies1.78M$41.3M$9.69MAdded$3.51M
FIRST TRUST ADVISORS LP1.72M$39.8M$9.34MCut−$3.81M
GEODE CAPITAL MANAGEMENT, LLC1.72M$39.7M$9.33MAdded$8.26M
DIMENSIONAL FUND ADVISORS LP1.64M$37.8M$8.88MAdded$8.65M
MIRAE ASSET GLOBAL ETFS HOLDINGS Ltd.1.56M$36M$7.85MAdded$10.3M
ARROWSTREET CAPITAL, LIMITED PARTNERSHIP1.5M$34.6M$5.95MAdded$15.2M
PUNCH & ASSOCIATES INVESTMENT MANAGEMENT, INC.1.46M$33.8M$7.8MAdded$8.36M
TWO SIGMA INVESTMENTS, LP1.32M$30.5M$3.98MAdded$17.5M
GOLDMAN SACHS GROUP INC1.19M$27.4M$5.62MAdded$9.14M
PRUDENTIAL FINANCIAL INC885.2K$20.5M$398.6KAdded$19.2M
Boston Partners815.8K$19M$4.63MAdded$4.2M
ROYCE & ASSOCIATES LP817.4K$18.9M$3.95MAdded$6.03M
MORGAN STANLEY813.1K$18.8M$4.37MAdded$4.57M
CHARLES SCHWAB INVESTMENT MANAGEMENT INC744K$17.2M$3.96MAdded$4.31M
NORTHERN TRUST CORP704.4K$16.3M$3.73MAdded$4.12M
Bank of New York Mellon Corp660.6K$15.3M$3.59MAdded$3.5M
JANE STREET GROUP, LLC595.9K$13.8MNew
DEPRINCE RACE & ZOLLO INC564.8K$13.1MNew
ROYAL BANK OF CANADA536.5K$12.4M$29KAdded$12.3M
Citadel514K$11.9M$825.4KAdded$9.19M
OBERWEIS ASSET MANAGEMENT INC/504.3K$11.7MNew
VANGUARD FIDUCIARY TRUST CO494.4K$11.4MHeld
Impax Asset Management Group plc470K$10.9M$1.95MAdded$4.5M
Aptus Capital Advisors, LLC455K$10.5M$2.45MAdded$2.55M
PRINCIPAL FINANCIAL GROUP INC436.3K$10.1M$2.37MAdded$2.09M
Defiance ETFs, LLC423.1K$9.78M$2.2MCut−$263.8K
MILLENNIUM MANAGEMENT LLC414.9K$9.59M$1.15MAdded$5.84M
PARADIGM CAPITAL MANAGEMENT INC/NY401.4K$9.28M$2.18MAdded$2.18M
Bridge City Capital, LLC400.7K$9.26M$2.06MAdded$2.55M
UBS Group AG390.1K$9.02M$2.12MAdded$1.41M
Russell Investments Group, Ltd.389.8K$9.01M$181.7KAdded$8.42M
BNP PARIBAS FINANCIAL MARKETS389.7K$9.01M$1.14MAdded$5.28M
Invesco Ltd.362.7K$8.38M$1.97MCut−$6.41M
RICE HALL JAMES & ASSOCIATES, LLC336.8K$7.79M$1.72MAdded$2.19M
WELLS FARGO & COMPANY/MN332.5K$7.69M$1.39MAdded$3.16M
CRAWFORD INVESTMENT COUNSEL INC320.6K$7.41M$1.65MAdded$2.05M
JPMORGAN CHASE & CO326.6K$7.3M$1.01MAdded$3.47M
Man Group plc304.4K$7.04M$1.03MAdded$3.67M
Jump Financial, LLC287.5K$6.65MNew
D. E. Shaw & Co., Inc.263.4K$6.09MNew
PUBLIC SECTOR PENSION INVESTMENT BOARD255.8K$5.91M$1.35MAdded$1.52M
TUDOR INVESTMENT CORP ET AL238.9K$5.52M$1.3MCut−$1.03M
NEW YORK STATE COMMON RETIREMENT FUND235.7K$5.45M$531.3KAdded$3.72M
AMERICAN CENTURY COMPANIES INC222.4K$5.14M$1.21MAdded$1.08M
PEREGRINE CAPITAL MANAGEMENT LLC219.6K$5.08M$1.19MAdded$817.6K
BANK OF AMERICA CORP /DE/206.7K$4.78M$898.5KAdded$1.85M
SUMMIT PARTNERS L P200.1K$4.63M$1.02MAdded$1.31M
RHUMBLINE ADVISERS192.1K$4.44M$1.01MAdded$1.14M
Legal & General Group Plc190.6K$4.41M$1.04MAdded$726.4K
IQ EQ FUND MANAGEMENT (IRELAND) Ltd175.2K$4.05M$951.3KAdded$946K
HSBC HOLDINGS PLC175.8K$4.05M$818.6KAdded$1.32M
VOYA INVESTMENT MANAGEMENT LLC166.5K$3.85M$904KAdded$9.07K
UBS AM, a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC161.6K$3.74M$744.7KAdded$1.31M
Nuveen, LLC158.6K$3.67M$861KAdded$815.7K
Qube Research & Technologies Ltd157.5K$3.64M$855.5KCut−$7.37M
Swiss National Bank142.4K$3.29M$773.2KAdded$773.2K
Banque Cantonale Vaudoise139.5K$3.23M$757.9KAdded$667K
VICTORY CAPITAL MANAGEMENT INC137.4K$3.18M$745.8KAdded$238.2K
Connor, Clark & Lunn Investment Management Ltd.136.3K$3.15M$740.4KCut−$910.4K
STATE BOARD OF ADMINISTRATION OF FLORIDA RETIREMENT SYSTEM129.6K$3M$703.8KAdded$683.7K
Hillsdale Investment Management Inc.127.7K$2.95M$693.2KAdded$590.6K
Creative Planning127.3K$2.94M$374.4KAdded$1.72M
Quantbot Technologies LP124.5K$2.88M$173.3KAdded$2.31M
AMERIPRISE FINANCIAL INC123.5K$2.86M$670.8KAdded$517.9K
SEI INVESTMENTS CO121.2K$2.8M$658.3KAdded$620.9K
TRUIST FINANCIAL CORP115K$2.66M$624.4KAdded$625K
Hennion & Walsh Asset Management, Inc.114.1K$2.64M$558.9KAdded$817.3K
SUSQUEHANNA INTERNATIONAL GROUP, LLP108.2K$2.5M$271.6KAdded$1.62M
Uniplan Investment Counsel, Inc.106.3K$2.46MNew
FEDERATED HERMES, INC.106.3K$2.46M$577KAdded$575K
FRANKLIN RESOURCES INC104K$2.4M$555.8KAdded$593.8K
HEALTHCARE OF ONTARIO PENSION PLAN TRUST FUND98.9K$2.29M$349.5KAdded$1.15M
AEGON ASSET MANAGEMENT UK Plc98.8K$2.28MNew
PDT Partners, LLC98.6K$2.28M$192.6KAdded$1.65M
MARTINGALE ASSET MANAGEMENT L P96.2K$2.22M$522.5KAdded$446.7K
CALIFORNIA STATE TEACHERS RETIREMENT SYSTEM91.5K$2.11M$363.6KAdded$929.8K
Universal- Beteiligungs- und Servicegesellschaft mbH90.2K$2.09M$486.4KCut−$581.7K
JANUS HENDERSON GROUP PLC87.5K$2.02M$175.6KAdded$1.45M
DEUTSCHE BANK AG\80.5K$1.86M$398KAdded$565.3K
CANADA PENSION PLAN INVESTMENT BOARD78.3K$1.81M$425.2KAdded$359.7K
Fisher Asset Management, LLC74.9K$1.73M$404.8KAdded$412.5K
Cresset Asset Management, LLC72.9K$1.68M$393.2KAdded$403.5K
ExodusPoint Capital Management, LP72.4K$1.67MNew
KLP KAPITALFORVALTNING AS69.5K$1.61M$377.4KAdded$377.4K
Brooklyn Investment Group68.9K$1.59M$278.1KAdded$604K
Nilsine Partners, LLC55.9K$1.55M$523.9KAdded$620K
Allianz Asset Management GmbH66K$1.52M$358.1KAdded$337.6K
GLOBEFLEX CAPITAL L P65.3K$1.51M$354.6KAdded$354.6K
Verity Asset Management, Inc.62.4K$1.44M$338.6KCut−$185.1K
Allspring Global Investments Holdings, LLC55.2K$1.33M$333.5KAdded$470K
ALLIANCEBERNSTEIN L.P.72.6K$1.28M−$0Added$52.8K
Quantinno Capital Management LP55K$1.27M$118.9KAdded$885K
XTX Topco Ltd50.1K$1.16M$236.1KAdded$389.9K
Icahn Capital49.8K$1.15M$209.6KAdded$469.5K
Legato Capital Management LLC48.4K$1.12M$262.8KCut−$298.4K
VANGUARD ASSET MANAGEMENT, Ltd46.6K$1.08MHeld
Squarepoint Ops LLC45.9K$1.06MNew
CITIGROUP INC45.7K$1.06M$248.4KCut−$93.4K
VARCOV Co.44.8K$1.04MNew
MACKENZIE FINANCIAL CORP44.1K$1.02M$230.6KCut−$774.1K
GAMCO INVESTORS, INC. ET AL42.8K$988.4K$232.1KAdded$232.1K
Aquatic Capital Management LLC42.7K$988.1KNew
Illumine Investment Management, LLC42.7K$988K$231.9KAdded$232.7K
Magnetar Financial LLC40.5K$935.3KNew
Amundi40.4K$934.4K$205.7KAdded$264.3K
Zurcher Kantonalbank (Zurich Cantonalbank)39.5K$914.2K$172.3KAdded$352.8K
MetLife Investment Management, LLC38.9K$898.4K$211KAdded$204.9K
RAYMOND JAMES FINANCIAL INC37.8K$875.1K$205.5KCut−$388K
Teton Advisors, LLC36K$832.3K$195.5KAdded$195.5K
Horizon Investments, LLC34.3K$793.3K$186.3KAdded$172.4K
Tidal Investments LLC34K$785.8K$161.6KAdded$259.5K
Illinois Municipal Retirement Fund33.2K$768.3K$180.4KAdded$134.1K
EVERGREEN CAPITAL MANAGEMENT LLC33.1K$765.4K$161.6KAdded$238.9K
Louisiana State Employees Retirement System31.7K$732.9K$172.1KAdded$150.9K
MANUFACTURERS LIFE INSURANCE COMPANY, THE29.5K$682.1K$160.2KAdded$137.9K
Trexquant Investment LP29.3K$677.9K$159.2KCut−$2.43M
Pathstone Holdings, LLC29.1K$673.7K$64.6KAdded$463.2K
nVerses Capital, LLC29.1K$673.2KNew
State of Tennessee, Department of Treasury29.1K$672.5K$94.2KAdded$383.2K
Fidelity28.1K$649.8K$90.8KAdded$354.1K
Vanguard Global Advisers, LLC27.8K$643.7KHeld
Mirae Asset Global Investments Co., Ltd.27.4K$634K$127.8KAdded$217.5K
WINTON GROUP Ltd26.5K$611.7K$143.7KCut−$653.6K
1492 Capital Management LLC26.4K$609.9K$107.4KAdded$259.9K
COOKSON PEIRCE & CO INC25K$578KNew
DZ BANK AG Deutsche Zentral Genossenschafts Bank, Frankfurt am Main25K$577.6K$135.7KCut−$1.91M
Brevan Howard Capital Management LP24.9K$575.7KNew
Optimize Financial Inc23.7K$547.9K$128.7KAdded$128.7K
Weiss Asset Management LP21.6K$500.1KNew
CAPTRUST FINANCIAL ADVISORS20.3K$468.7KNew
Police & Firemen's Retirement System of New Jersey20.1K$463.6K$99.6KAdded$139.1K
Gotham Asset Management, LLC19.9K$459.7K$108KCut−$151.9K
SEIZERT CAPITAL PARTNERS, LLC19.7K$456.6K$107.2KAdded$107.2K
ARIZONA STATE RETIREMENT SYSTEM19.7K$455.5K$107KAdded$101.1K
Vanguard Investments Australia, Ltd.19.7K$454.7KHeld
YOUSIF CAPITAL MANAGEMENT, LLC19K$440.4K$117.5KAdded$114.7K
Schonfeld Strategic Advisors LLC18K$417KNew
LAZARD ASSET MANAGEMENT LLC18K$416K$97.7KCut−$82.2K
Linden Thomas Advisory Services, LLC17.7K$409.9K$78.9KAdded$153K
COMMONWEALTH OF PENNSYLVANIA PUBLIC SCHOOL EMPLS RETRMT SYS17.7K$408.8K$96KAdded$94.7K
AXQ CAPITAL, LP17.6K$405.9KNew
FIFTH THIRD BANCORP17.1K$394.9K$2.99KAdded$385.2K
INCEPTIONR LLC16.5K$382.2KNew
OREGON PUBLIC EMPLOYEES RETIREMENT FUND16.3K$377.3K$88.6KAdded$86.8K
INTECH INVESTMENT MANAGEMENT LLC15.8K$364.2K$85.5KCut−$148.2K
CIM INVESTMENT MANAGEMENT INC15.3K$353.6K$58.5KAdded$163K
COMMONWEALTH EQUITY SERVICES, LLC14.8K$341.3K$80.2KCut−$111K
NEUBERGER BERMAN GROUP LLC14.5K$335.5KNew
Vanguard Personalized Indexing Management, LLC14.4K$332.1KNew
Pinnacle Financial Partners, Inc.14.2K$328.6K$77.2KAdded$76.4K
Abel Hall, LLC12.7K$292.8KNew
Cornerstone Investment Partners, LLC12.2K$281.7KNew
BNP PARIBAS ASSET MANAGEMENT Holding S.A.12.1K$279.2K$267.5KAdded$279K
US BANCORP \DE\12K$277.2K$64.9KAdded$65.7K
SIMPLEX TRADING, LLC11.7K$270.9K$8.56KAdded$243K
Empowered Funds, LLC11.7K$270.3KNew
Freestone Grove Partners LP11.6K$268KNew
ProShare Advisors LLC11.2K$258.7K$60.8KAdded$11.3K
Summit Trail Advisors, LLC10.9K$252.3KNew
Impact Partnership Wealth, LLC10.6K$244.4KNew
Campbell & CO Investment Adviser LLC10.6K$244.2KNew
Maryland State Retirement & Pension System10.5K$242.8K$57KAdded$57K
GLENMEDE TRUST CO NA10.4K$240KNew
Pictet Asset Management Holding SA10.3K$237.9KNew
GABELLI FUNDS LLC10K$231.2K$54.3KAdded$54.3K
HOHIMER WEALTH MANAGEMENT, LLC9.65K$223.2K$52.4KAdded$21.9K
M&T Bank Corp9.27K$214.4KNew
Leonteq Securities AG9.23K$213.4K$23.7KAdded$136.1K
Dynamic Technology Lab Private Ltd9.14K$211.3K$49.5KCut−$166.7K
Merit Financial Group, LLC8.81K$203.7KNew
State of Wyoming7.8K$180.3KNew
Tower Research Capital LLC (TRC)7.32K$169.3K$37.4KAdded$47.4K
GAMMA Investing LLC6.61K$152.8K$24KAdded$74.7K
Ameritas Investment Partners, Inc.6.01K$138.9K$32.6KAdded$32.6K
OSAIC HOLDINGS, INC.4.3K$99.5K$3.84KAdded$87K
PNC Financial Services Group, Inc.3.94K$91K$18.7KAdded$30K
Rockefeller Capital Management L.P.3.83K$88.5K$5.3KAdded$71.2K
Penserra Capital Management LLC3.59M$83.1K$19.5KAdded$7.73K
CWM, LLC3.25K$75.1K$70.1KAdded$75K
Parkside Financial Bank & Trust2.41K$55.7K$13.1KAdded$13.1K
TOWARZYSTWO FUNDUSZY INWESTYCYJNYCH PZU SA2.3K$53.2K$12.5KAdded$12.5K
QUADRANT CAPITAL GROUP LLC2.29K$53.1K$4.74KAdded$37.6K
NATIXIS2.26K$52.3K$12.3KAdded$12.1K
GROUP ONE TRADING LLC2.05K$47.4KNew
SIGNATUREFD, LLC1.74K$40.2K$6.66KAdded$18.5K
NISA INVESTMENT ADVISORS, LLC1.59K$36.9K$7.68KAdded$11.8K
HUNTINGTON NATIONAL BANK1.51K$34.9K$8.2KAdded$7.88K
MassMutual Private Wealth & Trust, FSB1.46K$33.6K$7.9KAdded$5.32K
Farther Finance Advisors, LLC1.39K$33.5K$8.91KCut−$6.34K
Salomon & Ludwin, LLC1.32K$31.8K$8.12KAdded$9.53K
Versant Capital Management, Inc1.21K$28K$82Added$27.7K
PRICE T ROWE ASSOCIATES INC /MD/1.07M$24.8K$5.83KCut−$2.38K
Kemnay Advisory Services Inc.830$19.2KNew
Steigerwald, Gordon & Koch Inc.800$18.5K$4.34KAdded$4.34K
Sterling Capital Management LLC756$17.5K$4.11KCut−$759
NORTHWESTERN MUTUAL WEALTH MANAGEMENT CO728$16.8K$3.95KAdded$3.95K
Federation des caisses Desjardins du Quebec671$15.5K$543Added$13.7K
JONES FINANCIAL COMPANIES LLLP668$14.9K$3.11KAdded$3.11K
SBI Securities Co., Ltd.636$14.7K$3.45KAdded$3.33K
UMB Bank, n.a.590$13.6K$2.72KAdded$4.78K
Allworth Financial LP541$12.5K$1.28KAdded$8.33K
Aster Capital Management (DIFC) Ltd760$12.4K−$1.03KCut−$13.7K
Smartleaf Asset Management LLC419$9.37K$1.86KCut−$3.76K
WealthCollab, LLC390$9.02K$2.12KAdded$2.12K
Marquette Asset Management, LLC382$8.83K$1.18KAdded$4.99K
Cassaday & Co Wealth Management LLC380$8.79KNew
Pinnacle Wealth Planning Services, Inc.371$8.58K$1.62KAdded$3.31K
BARROW HANLEY MEWHINNEY & STRAUSS LLC349$8.07KNew
Bell Investment Advisors, Inc331$7.65KNew
LOS ANGELES CAPITAL MANAGEMENT LLC327$7.56K$1.78KAdded$1.78K
First Pacific Financial321$7.42K$1.24KAdded$3.37K
HRT FINANCIAL LP320.4K$7.41KNew
Arax Advisory Partners1.34K$6.45K−$2.38KAdded$3.18K
Sound Income Strategies, LLC265$6.38K$1.78KAdded$1.81K
Parallel Advisors, LLC267$6.17K$722Added$3.82K
EverSource Wealth Advisors, LLC235$5.43K$1.02KAdded$2.13K
ASSETMARK, INC220$5.09K$890Added$2.19K
HARBOR CAPITAL ADVISORS, INC.187.1K$4.33K$1.02KAdded$478
PUBLIC EMPLOYEES RETIREMENT SYSTEM OF OHIO184$4.25KNew
BESSEMER GROUP INC171.2K$3.96K$930Added$930
ROTHSCHILD INVESTMENT LLC171$3.95K$489Added$2.36K
Allianz SE150$3.47KNew
Keating Financial Advisory Services, Inc.126$2.91KNew
MAI Capital Management122$2.82K$661Cut−$3.29K
Private Wealth Management Group, LLC112$2.59K$608Added$608
Root Financial Partners, LLC100$2.31KNew
Aventura Private Wealth, LLC97$2.24K$527Cut−$1.29K
Golden State Equity Partners82$1.9KNew
Summit Global Investments63.9K$1.48K$347Added$283
CANADA LIFE ASSURANCE Co59.2K$1.37K$323Added$256
SG Americas Securities, LLC54.5K$1.26K$280Added$351
FARMERS & MERCHANTS INVESTMENTS INC50$1.16K$271Added$271
Thrivent Financial for Lutherans47.7K$1.1K$259Added$231
State of Alaska, Department of Revenue47.1K$1.09K$255Added$233
GSA CAPITAL PARTNERS LLP41K$948$181Added$358
Investors Portfolio Services LLC34$939New
SouthState Bank Corp34$787$185Added$185
Caitong International Asset Management Co., Ltd30$694New
Bare Financial Services, Inc29$670New
Bruce G. Allen Investments, LLC26$601$136Added$159
Essential Partners LLC23$532$125Added$125
Elequin Capital, LP21$486New
AMALGAMATED BANK20.6K$476$112Added$105

Who left

Positions as of Q1 2026. 13F filings arrive up to 45 days after quarter-end and omit shorts. Values are quarter-end marks, as filed. Estimated mark is the price effect on shares still held — not realized P&L or investment advice.