A10 NetworksATEN

13F holders, Q1 2025 (March 31)
252holders +33
54new positions
23sold out
7famous investors
$16.34avg. 13F price*

At the end of Q1 2025, 252 institutions reported holding A10 Networks Inc. (ATEN) in their 13F filings, up 33 from Q4 2024. 54 opened new positions and 23 sold out. The largest holders were BlackRock, Inc. ($218.2M), Vanguard Group Inc. ($120.8M) and State Street Corp. ($54.6M). 7 famous investors held it, including Paul Tudor Jones (0.1% of Tudor Investment Corporation's portfolio), Jim Simons / Peter Brown (0.1% of Renaissance Technologies's portfolio) and Mario Gabelli (0.0% of GAMCO Investors's portfolio).

Company
A10 Networks Inc.
CUSIP
002121101
Latest filing quarter
Q2 2026

History

Number of 13F holders

0100200300400 Q1 2024: 181Q1 2024Q2 2024: 218Q2 2024Q3 2024: 207Q3 2024Q4 2024: 219Q4 2024Q1 2025: 252Q1 2025Q2 2025: 229Q2 2025Q3 2025: 236Q3 2025Q4 2025: 242Q4 2025Q1 2026: 264Q1 2026Q2 2026: 310Q2 2026

Total Exit/New Position Q4 2024 → Q1 2025

InstitutionsTotal Value
New Positions54$56.1M
Exits23$31.9M

All 13F filers, Q4 2024 → Q1 2025: 10,948,870 shares bought and 5,606,248 shares sold, net +5,342,622 shares. Counts holders who added, trimmed, opened or closed a position; split-adjusted.

Ownership 252 holders

BlackRock, Inc. 0.00% Reduce -1.8% 13,352,853 $218.2M
Vanguard Group Inc. 0.00% Add +0.5% 7,394,304 $120.8M
State Street Corp. 0.00% Add +0.4% 3,342,508 $54.6M
MIRAE ASSET GLOBAL ETFS HOLDINGS Ltd. 0.09% Add +8.2% 2,682,442 $43.8M
Penserra Capital Management LLC 0.74% Add +29.9% 2,539,197 $41.5M
Renaissance Technologies 0.06% Add +21.9% 2,356,307 $38.5M
Dimensional Fund Advisors LP 0.01% Reduce -4.6% 1,737,154 $28.4M
First Trust Advisors LP 0.03% Add +15.5% 1,734,645 $28.3M
Geode Capital Management, LLC 0.00% Add +3.3% 1,732,103 $28.3M
Boston Trust Walden Corp 0.20% New 1,645,924 $26.9M
T. Rowe Price Associates Inc. 0.00% Add +3.3% 1,516,986 $24.8M
Morgan Stanley 0.00% Add +29.0% 1,484,741 $24.3M
Punch & Associates Investment Management, Inc. 1.48% Add +2.0% 1,362,331 $22.3M
Wellington Management Group LLP 0.00% Add +390.9% 1,130,119 $18.5M
Invesco Ltd. 0.00% Add +184.7% 1,045,406 $17.1M
Arrowstreet Capital, Limited Partnership 0.01% Add +280.1% 938,763 $15.3M
Bank of New York Mellon Corp 0.00% Reduce -37.5% 842,531 $13.8M
Goldman Sachs Group Inc. 0.00% Add +6.5% 835,252 $13.6M
Harbor Capital Advisors, Inc. 0.60% Reduce -0.9% 808,746 $13.2M
Northern Trust Corp. 0.00% Add +0.1% 765,722 $12.5M
Royce & Associates LP 0.13% Reduce -22.9% 708,368 $11.6M
Barclays PLC 0.01% Reduce -1.4% 675,954 $11.0M
Charles Schwab Investment Management Inc. 0.00% Add +1.1% 675,676 $11.0M
Marshall Wace, LLP 0.01% Reduce -14.4% 585,411 $9.6M
Two Sigma Investments, LP 0.02% Add +114.1% 491,576 $8.0M
Jacobs Levy Equity Management, Inc. 0.03% Add +27.3% 482,366 $7.9M
Tudor Investment Corporation 0.07% Add +50.0% 448,840 $7.3M
JPMorgan Chase & Co. 0.00% Reduce -8.8% 435,308 $7.1M
Paradigm Capital Management Inc. 0.39% No change 427,800 $7.0M
Bridge City Capital, LLC 2.07% Reduce -18.6% 422,803 $6.9M
Algert Global LLC 0.17% Reduce -4.1% 420,328 $6.9M
Norges Bank 0.00% Add +6.5% 416,672 $6.8M
Principal Financial Group Inc. 0.00% Add +3.0% 416,548 $6.8M
Qube Research & Technologies Ltd 0.01% Add +268.4% 392,173 $6.4M
Citadel Advisors 0.01% Add +0.2% 388,896 $6.4M
Victory Capital Management Inc. 0.01% Add +124.4% 385,332 $6.3M
Peregrine Capital Management LLC 0.21% Reduce -5.2% 384,852 $6.3M
UBS Group AG 0.00% Add +204.7% 369,439 $6.0M
Teacher Retirement System of Texas 0.02% Add +62.6% 362,318 $5.9M
Impax Asset Management Group plc 0.04% Reduce -38.7% 360,000 $5.9M
Rice Hall James & Associates, LLC 0.34% Reduce -6.6% 354,813 $5.8M
Two Sigma Advisers, LP 0.01% Add +69.6% 348,200 $5.7M
Prudential Financial Inc. 0.01% Add +26.4% 344,300 $5.6M
DZ BANK AG Deutsche Zentral Genossenschafts Bank, Frankfurt am Main 0.01% Add +127.9% 320,593 $5.2M
Aptus Capital Advisors, LLC 0.05% New 294,920 $4.8M
Voya Investment Management LLC 0.01% Reduce -11.2% 274,194 $4.5M
Trexquant Investment LP 0.05% Add +26.8% 247,891 $4.1M
Public Sector Pension Investment Board 0.02% Add +27.1% 233,720 $3.8M
Legal & General Group Plc 0.00% Reduce -78.2% 221,273 $3.6M
Sei Investments Co. 0.00% Add +13.4% 221,223 $3.6M
American Century Companies Inc. 0.00% Add +21.7% 216,241 $3.5M
Royal Bank of Canada 0.00% Add +131.3% 213,118 $3.5M
Connor, Clark & Lunn Investment Management Ltd. 0.02% Reduce -38.7% 211,936 $3.5M
Hillsdale Investment Management Inc. 0.17% Add +7.1% 206,200 $3.4M
Informed Momentum Co LLC 0.57% New 202,826 $3.3M
BNP Paribas Financial Markets 0.00% Add +107.8% 202,690 $3.3M
UBS AM, a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC 0.00% Add +5.9% 202,658 $3.3M
Nuveen, LLC 0.00% — 199,651 $3.3M
Allianz Asset Management GmbH 0.00% Add +98.7% 197,881 $3.2M
Rhumbline Advisers 0.00% Reduce -0.2% 196,387 $3.2M
Summit Partners L P 0.19% Add +7.4% 187,367 $3.1M
Man Group plc 0.01% Add +184.8% 182,868 $3.0M
Wells Fargo & Company 0.00% Add +230.1% 181,710 $3.0M
Jane Street Group, LLC 0.01% Add +120.0% 173,493 $2.8M
Ameriprise Financial Inc. 0.00% Reduce -6.8% 168,538 $2.8M
Lazard Asset Management LLC 0.00% Add +41.2% 166,265 $2.7M
Deutsche Bank AG 0.00% Reduce -4.0% 160,446 $2.6M
Citigroup Inc. 0.00% Reduce -8.4% 152,875 $2.5M
Swiss National Bank 0.00% Reduce -1.6% 143,000 $2.3M
Universal- Beteiligungs- und Servicegesellschaft mbH 0.00% New 139,585 $2.3M
IQ EQ FUND MANAGEMENT (IRELAND) Ltd 0.27% Reduce -3.0% 137,796 $2.3M
State Board of Administration of Florida Retirement System 0.00% Add +17.3% 134,852 $2.2M
Mackenzie Financial Corp. 0.00% Reduce -13.5% 134,265 $2.2M
Bank of America Corp. 0.00% Reduce -29.4% 128,413 $2.1M
Vident Advisory, LLC 0.03% New 126,086 $2.1M
Banque Cantonale Vaudoise 0.09% — 123,203 $2.0M
Susquehanna International Group, LLP 0.00% Add +78.5% 113,452 $1.9M
Canada Pension Plan Investment Board 0.00% Add +165.5% 109,400 $1.8M
Franklin Resources Inc. 0.00% Add +22.2% 108,908 $1.8M
Cubist Systematic Strategies, LLC 0.02% Add +696.5% 103,654 $1.7M
Martingale Asset Management L P 0.04% No change 100,873 $1.6M
Truist Financial Corp. 0.00% New 96,618 $1.6M
New York State Common Retirement Fund 0.00% Reduce -16.1% 91,545 $1.5M
CANADA LIFE ASSURANCE Co 0.00% Reduce -11.6% 88,307 $1.4M
Picton Mahoney Asset Management 0.05% Add +166.2% 85,318 $1.4M
Verity Asset Management, Inc. 0.54% Add +1.7% 81,669 $1.3M
California State Teachers Retirement System 0.00% Add +17.3% 80,683 $1.3M
Wedge Capital Management L L P 0.03% Add +1.6% 80,299 $1.3M
AQR Capital Management 0.00% Reduce -41.6% 78,696 $1.3M
Legato Capital Management LLC 0.17% Reduce -27.8% 75,635 $1.2M
Fisher Asset Management 0.00% Reduce -18.4% 74,940 $1.2M
Intech Investment Management LLC 0.01% Add +81.7% 73,995 $1.2M
Alliancebernstein L.P. 0.00% Reduce -74.2% 71,999 $1.2M
HSBC Holdings PLC 0.00% Reduce -7.2% 71,958 $1.2M
FCG Investment Co 0.72% New 70,357 $1.1M
WINTON GROUP Ltd 0.07% Reduce -9.8% 67,582 $1.1M
Globeflex Capital L P 0.10% No change 65,303 $1.1M
Cresset Asset Management, LLC 0.01% Reduce -4.3% 63,125 $1.0M
Engineers Gate Manager LP 0.02% Add +111.6% 61,945 $1.0M
Millennium Management 0.00% Reduce -77.7% 61,592 $1.0M
LSV Asset Management 0.00% Reduce -29.9% 61,326 $1.0M
Integrated Quantitative Investments LLC 0.49% Reduce -0.1% 60,567 $990K
KLP Kapitalforvaltning As 0.00% No change 60,000 $980K
OMERS ADMINISTRATION Corp 0.01% New 56,500 $923K
Dynamic Technology Lab Private Ltd 0.13% New 54,855 $897K
Thrivent Financial for Lutherans 0.00% Reduce -5.1% 54,129 $884K
Allspring Global Investments Holdings, LLC 0.00% Reduce -8.6% 52,560 $874K
Jump Financial, LLC 0.01% New 53,066 $867K
Russell Investments Group, Ltd. 0.00% Reduce -81.0% 52,425 $861K
State of Tennessee, Department of Treasury 0.00% Add +1.7% 49,791 $814K
Raymond James Financial Inc. 0.00% New 47,624 $778K
Acadian Asset Management LLC 0.00% New 47,313 $771K
Federated Hermes, Inc. 0.00% Add +1.8% 45,488 $743K
Comerica Bank 0.00% Reduce -6.8% 45,459 $743K
Counterpoint Mutual Funds LLC 0.10% New 44,153 $721K
Bryce Point Capital, LLC 0.54% New 41,834 $721K
Y-Intercept (Hong Kong) Ltd 0.05% New 44,003 $719K
GAMCO Investors 0.01% No change 44,000 $719K
Voloridge Investment Management, LLC 0.00% New 43,421 $709K
MetLife Investment Management, LLC 0.00% Reduce -1.3% 42,242 $690K
Haven Private, LLC 0.39% Add +80.1% 42,094 $688K
Tidal Investments LLC 0.01% Reduce -6.7% 41,442 $677K
State of Alaska, Department of Revenue 0.01% Reduce -2.5% 40,833 $667K
Illinois Municipal Retirement Fund 0.01% Add +9.1% 39,193 $640K
New York State Teachers Retirement System 0.00% No change 39,058 $638K
STRS Ohio 0.00% Reduce -4.4% 38,700 $632K
Commonwealth Equity Services, LLC 0.00% New 37,649 $615K
Meritage Portfolio Management 0.04% Reduce -0.5% 37,208 $608K
Corebridge Financial, Inc. 0.00% Reduce -1.9% 37,110 $606K
Mirae Asset Global Investments Co., Ltd. 0.00% Reduce -2.9% 36,201 $606K
Verition Fund Management LLC 0.00% Reduce -29.6% 36,073 $589K
Teton Advisors, Inc. 0.38% No change 36,000 $588K
Manufacturers Life Insurance Company, The 0.00% Add +38.0% 35,701 $583K
Louisiana State Employees Retirement System 0.01% Reduce -2.8% 34,700 $567K
Amundi 0.00% Reduce -1.8% 35,305 $556K
Janus Henderson Group PLC 0.00% Add +21.0% 32,278 $540K
Nebula Research & Development LLC 0.05% New 32,796 $536K
Aviva PLC 0.00% Reduce -6.5% 32,377 $529K
XTX Topco Ltd 0.03% New 31,621 $517K
Pacer Advisors, Inc. 0.00% Add +215.2% 28,725 $469K
Hennion & Walsh Asset Management, Inc. 0.02% Add +112.9% 28,639 $468K
Schonfeld Strategic Advisors LLC 0.00% Reduce -10.6% 27,900 $456K
Yousif Capital Management, LLC 0.01% Reduce -1.7% 27,463 $449K
US Bancorp \de 0.00% Reduce -7.6% 26,509 $433K
Squarepoint Ops LLC 0.00% Reduce -79.4% 24,747 $404K
Optimize Financial Inc. 0.15% New 23,700 $387K
Teachers Retirement System of the State of Kentucky 0.00% No change 21,503 $352K
Maryland State Retirement & Pension System 0.01% Reduce -14.0% 21,455 $351K
Arizona State Retirement System 0.00% Reduce -1.3% 21,169 $346K
Amalgamated Bank 0.00% Reduce -3.3% 20,921 $342K
Robeco Institutional Asset Management B.V. 0.00% Add +50.3% 20,592 $336K
Zurcher Kantonalbank (Zurich Cantonalbank) 0.00% Reduce -14.9% 20,441 $334K
Alps Advisors Inc. 0.00% New 20,240 $331K
Petrus Trust Company, LTA 0.03% New 20,201 $330K
Gsa Capital Partners LLP 0.03% Reduce -70.7% 19,729 $322K
Campbell & CO Investment Adviser LLC 0.02% New 19,214 $314K
Point72 Asia (Singapore) Pte. Ltd. 0.08% Add +38.0% 18,729 $306K
Jefferies Financial Group Inc. 0.01% New 18,700 $306K
AXA S.A. 0.00% Reduce -44.1% 18,069 $295K
Assenagon Asset Management S.A. 0.00% New 18,065 $295K
Commonwealth of Pennsylvania Public School Empls Retrmt SYS 0.00% Add +11.9% 17,635 $288K
LPL Financial LLC 0.00% New 17,429 $285K
Quadrature Capital Ltd 0.01% New 17,387 $284K
Seizert Capital Partners, LLC 0.01% Reduce -19.2% 17,192 $281K
Twinbeech Capital LP 0.01% New 17,037 $278K
Quantedge Capital Pte Ltd 0.09% Reduce -77.7% 17,000 $278K
Oregon Public Employees Retirement Fund 0.01% Reduce -2.3% 16,918 $276K
ProShare Advisors LLC 0.00% Reduce -21.8% 16,746 $274K
Shell Asset Management Co. 0.01% Reduce -1.2% 16,521 $270K
Pathstone Holdings, LLC 0.00% New 15,968 $261K
Police & Firemen's Retirement System of New Jersey 0.00% Add +9.0% 15,868 $259K
Creative Planning 0.00% Add +33.4% 15,822 $259K
Cibc World Markets Corp. 0.00% New 15,730 $257K
Hohimer Wealth Management, LLC 0.05% Reduce -4.4% 14,984 $245K
Synovus Financial Corp. 0.00% Add +0.3% 14,105 $230K
Dark Forest Capital Management LP 0.01% New 13,953 $228K
Linden Thomas Advisory Services, LLC 0.03% Add +7.9% 13,155 $215K
Virtu Financial LLC 0.01% New 12,931 $211K
Quantinno Capital Management LP 0.00% New 12,803 $209K
CenterBook Partners LP 0.01% New 12,621 $206K
Bank of Montreal 0.00% New 11,752 $192K
DRW Securities, LLC 0.02% New 11,505 $188K
Sawgrass Asset Management LLC 0.02% Reduce -1.6% 11,404 $186K
Pictet Asset Management Holding SA 0.00% New 11,163 $182K
Cim Investment Management Inc. 0.04% Reduce -2.3% 11,144 $182K
Bridgefront Capital, LLC 0.05% New 10,943 $179K
Freestone Grove Partners LP 0.00% Add +1.5% 10,858 $177K
Mutual of America Capital Management LLC 0.00% Reduce -4.0% 10,732 $175K
GW Henssler & Associates Ltd. 0.01% Reduce -2.1% 10,650 $174K
Meeder Asset Management Inc. 0.01% No change 9,905 $162K
Ameritas Investment Partners, Inc. 0.00% No change 7,021 $115K
FMR LLC 0.00% Add +134.2% 6,672 $109K
Quantbot Technologies LP 0.00% Reduce -86.9% 6,357 $104K
AlphaQuest LLC 0.01% Reduce -89.5% 5,403 $88K
KBC Group NV 0.00% Add +3.1% 5,254 $86K
Cwm, LLC 0.00% Add +45.6% 4,644 $76K
Leonteq Securities AG 0.01% Reduce -5.5% 4,328 $71K
PNC Financial Services Group, Inc. 0.00% Reduce -19.6% 3,400 $56K
Caitong International Asset Management Co., Ltd 0.04% New 3,391 $55K
GAMMA Investing LLC 0.00% Add +24.8% 3,064 $50K
State of Wyoming 0.01% Reduce -85.5% 3,032 $50K
Group One Trading LLC 0.00% New 2,900 $47K
Natixis 0.00% New 2,713 $45K
Sunbelt Securities, Inc. 0.00% Reduce -0.1% 2,709 $44K
Vestcor Inc 0.00% New 2,709 $44K
Tower Research Capital LLC (TRC) 0.00% Add +230.0% 2,673 $44K
Towarzystwo Funduszy Inwestycyjnych Pzu SA 0.01% No change 2,000 $33K
Advisors Asset Management, Inc. 0.00% Reduce -15.6% 1,848 $30K
Aster Capital Management (DIFC) Ltd 0.00% New 1,278 $27K
MassMutual Private Wealth & Trust, FSB 0.00% Reduce -22.2% 1,602 $26K
Signaturefd, LLC 0.00% Add +9.4% 1,392 $23K
Creative Financial Designs Inc. 0.00% Add +0.3% 1,015 $17K
Bartlett & Co. Wealth Management LLC 0.00% No change 1,000 $16K
Quadrant Capital Group LLC 0.00% Add +4.6% 913 $15K
Blue Trust, Inc. 0.00% New 906 $15K
CIBC Private Wealth Group LLC 0.00% New 943 $14K
Farther Finance Advisors, LLC 0.00% Add +980.3% 821 $14K
SBI Securities Co., Ltd. 0.00% Reduce -21.3% 766 $13K
Northwestern Mutual Wealth Management Co. 0.00% No change 728 $12K
Covestor Ltd 0.01% Reduce -16.1% 533 $9K
Fifth Third Bancorp 0.00% Add +34.4% 528 $9K
Smartleaf Asset Management LLC 0.00% Reduce -19.1% 446 $7K
Danske Bank A/S 0.00% No change 400 $7K
WealthCollab, LLC 0.00% No change 390 $6K
Quarry LP 0.00% Reduce -60.8% 313 $5K
Nisa Investment Advisors, LLC 0.00% Reduce -11.5% 284 $5K
Parallel Advisors, LLC 0.00% Add +9.8% 246 $4K
Hantz Financial Services, Inc. 0.00% New 218 $4K
UMB Bank, n.a. 0.00% No change 222 $4K
Brooklyn Investment Group 0.00% New 204 $3K
Bessemer Group Inc. 0.00% Reduce -58.2% 185 $3K
Coldstream Capital Management Inc. 0.00% New 181 $3K
Lindbrook Capital, LLC 0.00% Add +18.5% 160 $3K
EverSource Wealth Advisors, LLC 0.00% Add +143.1% 141 $2K
Jones Financial Companies LLLP 0.00% No change 112 $2K
Private Wealth Management Group, LLC 0.00% No change 112 $2K
Rothschild Investment LLC 0.00% Add +90.0% 95 $2K
SVB Wealth LLC 0.00% New 75 $1K
Sterling Capital Management LLC 0.00% No change 73 $1K
Huntington National Bank 0.00% Reduce -54.9% 69 $1K
Allworth Financial LP 0.00% New 69 $1K
Parkside Financial Bank & Trust 0.00% Add +100.0% 60 $982
Assetmark, Inc. 0.00% No change 60 $980
Farmers & Merchants Investments Inc. 0.00% No change 50 $817
Private Wealth Asset Management, LLC 0.00% — 43 $703
SouthState Bank Corp 0.00% New 34 $556
Hexagon Capital Partners LLC 0.00% New 25 $409
Stephens Consulting, LLC 0.00% New 20 $327
IFP Advisors, Inc 0.00% No change 12 $196
Garde Capital, Inc. 0.00% New 5 $82
Larson Financial Group LLC 0.00% No change 4 $65
True Wealth Design, LLC 0.00% Reduce -80.0% 1 $17

"% of holder's portfolio" is ATEN's weight in each manager's 13F, not the share of A10 Networks Inc. the manager owns.