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.
13F holders, Q1 2026
Institutional positions in A10 Networks, Inc. as of Mar 31, 2026. 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
- 265
- +28 vs. Q4 2025
- Shares held
- 72.3M
- +9.43M (+15.0%) vs. Q4 2025
- Total value
- $1.67B
- +$559.2M (+50.3%) vs. Q4 2025
- New holders
- 59
- 101 more added
- Sold out
- 31
- 76 more reduced
6 institutions that held it in Q4 2025 haven't filed for Q1 2026 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q4 2025: 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.
| Quarter | Holders | Value |
|---|---|---|
| Q2 2026 | 313 | $2.86B |
| Q1 2026 | 265 | $1.67B |
| Q4 2025 | 243 | $1.24B |
| Q3 2025 | 237 | $1.27B |
| Q2 2025 | 232 | $1.36B |
| Q1 2025 | 253 | $1.15B |
| Q4 2024 | 219 | $1.20B |
| Q3 2024 | 207 | $943.4M |
| Q2 2024 | 218 | $921.8M |
| Q1 2024 | 181 | $928.5M |
| Q4 2023 | 191 | $891.7M |
| Q3 2023 | 193 | $982.7M |
| Q2 2023 | 198 | $953.7M |
| Q1 2023 | 217 | $984.2M |
| Q4 2022 | 223 | $1.10B |
| Q3 2022 | 202 | $866.1M |
| Q2 2022 | 203 | $988.4M |
| Q1 2022 | 195 | $884.4M |
| Q4 2021 | 176 | $1.07B |
| Q3 2021 | 151 | $906.0M |
| Q2 2021 | 132 | $744.2M |
| Q1 2021 | 134 | $630.5M |
Institutions, Q1 2026
Shares, value and share of portfolio for each institution holding A10 Networks, Inc.; share changes are against Q4 2025.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Fifth Third Bancorp | 17,081 | $394.9K | 0.00% | +16,531+3,005.6% | Added |
| Axq Capital, LP | 17,556 | $405.9K | 0.05% | +17,556 | New |
| Commonwealth of Pennsylvania Public School Empls Retrmt Sys | 17,681 | $408.8K | 0.00% | −76−0.4% | Reduced |
| Linden Thomas Advisory Services, LLC | 17,728 | $409.9K | 0.04% | +3,205+22.1% | Added |
| Teachers Retirement System of the State of Kentucky | 17,891 | $414.0K | 0.00% | 00.0% | Unchanged |
| Lazard Asset Management LLC | 17,993 | $416.0K | 0.00% | −10,169−36.1% | Reduced |
| Schonfeld Strategic Advisors LLC | 18,035 | $417.0K | 0.00% | +18,035 | New |
| Pacer Advisors, Inc. | 18,413 | $426.0K | 0.00% | +4,821+35.5% | Added |
| Yousif Capital Management, LLC | 19,049 | $440.4K | 0.01% | −165−0.9% | Reduced |
| Vanguard Investments Australia, Ltd. | 19,665 | $454.7K | 0.00% | +19,665 | New |
| Arizona State Retirement System | 19,701 | $455.5K | 0.00% | −331−1.7% | Reduced |
| Seizert Capital Partners, LLC | 19,747 | $456.6K | 0.02% | 00.0% | Unchanged |
| Gotham Asset Management, LLC | 19,882 | $459.7K | 0.00% | −14,692−42.5% | Reduced |
| Police & Firemen's Retirement System of New Jersey | 20,050 | $463.6K | 0.00% | +1,709+9.3% | Added |
| Captrust Financial Advisors | 20,273 | $468.7K | 0.00% | +20,273 | New |
| New York State Teachers Retirement System | 20,501 | $474.0K | 0.00% | +3,246+18.8% | Added |
| Amalgamated Bank | 20,597 | $476.0K | 0.00% | −389−1.9% | Reduced |
| Weiss Asset Management LP | 21,630 | $500.1K | 0.01% | +21,630 | New |
| Optimize Financial Inc | 23,700 | $547.9K | 0.27% | 00.0% | Unchanged |
| Brevan Howard Capital Management LP | 24,900 | $575.7K | 0.01% | +24,900 | New |
| DZ BANK AG Deutsche Zentral Genossenschafts Bank, Frankfurt am Main | 24,983 | $577.6K | 0.00% | −115,683−82.2% | Reduced |
| Cookson Peirce & Co Inc | 25,000 | $578.0K | 0.02% | +25,000 | New |
| 1492 Capital Management LLC | 26,378 | $609.9K | 0.23% | +6,596+33.3% | Added |
| Winton Group Ltd | 26,457 | $611.7K | 0.02% | −45,070−63.0% | Reduced |
| Mirae Asset Global Investments Co., Ltd. | 27,422 | $634.0K | 0.00% | +3,879+16.5% | Added |
| Vanguard Global Advisers, LLC | 27,840 | $643.7K | 0.00% | +27,840 | New |
| FMR LLC | 28,106 | $649.8K | 0.00% | +11,390+68.1% | Added |
| Unique Wealth Strategies, LLC | 28,208 | $652.2K | 0.27% | +28,208 | New |
| State of Tennessee, Treasury Department | 29,086 | $672.5K | 0.00% | +12,500+75.4% | Added |
| nVerses Capital, LLC | 29,119 | $673.2K | 0.61% | +29,119 | New |
| Pathstone Holdings, LLC | 29,138 | $673.7K | 0.00% | +17,239+144.9% | Added |
| Trexquant Investment LP | 29,323 | $677.9K | 0.00% | −146,415−83.3% | Reduced |
| Manufacturers Life Insurance Company, The | 29,501 | $682.1K | 0.00% | −1,261−4.1% | Reduced |
| Louisiana State Employees Retirement System | 31,700 | $732.9K | 0.01% | −1,200−3.6% | Reduced |
| Evergreen Capital Management LLC | 33,106 | $765.4K | 0.02% | +3,344+11.2% | Added |
| Illinois Municipal Retirement Fund | 33,229 | $768.3K | 0.01% | −2,619−7.3% | Reduced |
| Toroso Investments, LLC | 33,989 | $785.8K | 0.00% | +4,235+14.2% | Added |
| Horizon Investments, LLC | 34,314 | $793.3K | 0.01% | −786−2.2% | Reduced |
| Teton Advisors, LLC | 36,000 | $832.3K | 0.59% | 00.0% | Unchanged |
| Raymond James Financial Inc | 37,849 | $875.1K | 0.00% | −33,550−47.0% | Reduced |
| MetLife Investment Management | 38,856 | $898.4K | 0.00% | −346−0.9% | Reduced |
| Zurcher Kantonalbank (Zurich Cantonalbank) | 39,540 | $914.2K | 0.00% | +7,806+24.6% | Added |
| Amundi | 40,416 | $934.4K | 0.00% | +2,532+6.7% | Added |
| Magnetar Financial LLC | 40,453 | $935.3K | 0.01% | +40,453 | New |
| Gsa Capital Partners LLP | 40,988 | $948.0K | 0.06% | +7,656+23.0% | Added |
| Illumine Investment Management, LLC | 42,732 | $988.0K | 0.76% | +35+0.1% | Added |
| Aquatic Capital Management LLC | 42,737 | $988.1K | 0.03% | +42,737 | New |
| Gamco Investors, Inc. Et Al | 42,750 | $988.4K | 0.01% | 00.0% | Unchanged |
| Mackenzie Financial Corp | 44,129 | $1.02M | 0.00% | −56,142−56.0% | Reduced |
| VARCOV Co. | 44,778 | $1.04M | 0.39% | +44,778 | New |
| Citigroup Inc | 45,743 | $1.06M | 0.00% | −19,321−29.7% | Reduced |
| Squarepoint Ops LLC | 45,864 | $1.06M | 0.00% | +45,864 | New |
| Vanguard Asset Management, Ltd | 46,610 | $1.08M | 0.00% | +46,610 | New |
| State of Alaska, Department of Revenue | 47,065 | $1.09M | 0.01% | −1,227−2.5% | Reduced |
| Thrivent Financial for Lutherans | 47,723 | $1.10M | 0.00% | −1,563−3.2% | Reduced |
| Legato Capital Management LLC | 48,392 | $1.12M | 0.10% | −31,723−39.6% | Reduced |
| AQR Capital Management LLC | 49,846 | $1.15M | 0.00% | +11,240+29.1% | Added |
| XTX Topco Ltd | 50,129 | $1.16M | 0.02% | +6,652+15.3% | Added |
| SG Americas Securities, LLC | 54,521 | $1.26M | 0.00% | +3,073+6.0% | Added |
| Quantinno Capital Management LP | 55,029 | $1.27M | 0.00% | +33,136+151.4% | Added |
| Alliancebernstein L.P. | 72,558 | $1.28M | 0.00% | +2,987+4.3% | Added |
| Allspring Global Investments Holdings, LLC | 55,218 | $1.33M | 0.00% | +5,671+11.4% | Added |
| Great West Life Assurance Co | 59,168 | $1.37M | 0.00% | −3,777−6.0% | Reduced |
| Verity Asset Management, Inc. | 62,353 | $1.44M | 0.60% | −29,603−32.2% | Reduced |
| Summit Global Investments | 63,936 | $1.48M | 0.09% | −3,614−5.4% | Reduced |
| Globeflex Capital L P | 65,303 | $1.51M | 0.23% | 00.0% | Unchanged |
| Allianz Asset Management GmbH | 65,955 | $1.52M | 0.00% | −1,160−1.7% | Reduced |
| Nilsine Partners, LLC | 55,864 | $1.55M | 0.12% | +3,471+6.6% | Added |
| Skopos Labs, Inc. | 68,949 | $1.59M | 0.05% | +14,095+25.7% | Added |
| KLP Kapitalforvaltning AS | 69,500 | $1.61M | 0.01% | 00.0% | Unchanged |
| ExodusPoint Capital Management, LP | 72,385 | $1.67M | 0.02% | +72,385 | New |
| Cresset Asset Management, LLC | 72,854 | $1.68M | 0.01% | +445+0.6% | Added |
| Fisher Asset Management, LLC | 74,886 | $1.73M | 0.00% | +329+0.4% | Added |
| Canada Pension Plan Investment Board | 78,300 | $1.81M | 0.00% | −3,700−4.5% | Reduced |
| Deutsche Bank AG | 80,525 | $1.86M | 0.00% | +7,237+9.9% | Added |
| Janus Henderson Group PLC | 87,505 | $2.02M | 0.00% | +55,227+171.1% | Added |
| Universal- Beteiligungs- und Servicegesellschaft mbH | 90,219 | $2.09M | 0.00% | −60,247−40.0% | Reduced |
| California State Teachers Retirement System | 91,451 | $2.11M | 0.00% | +24,489+36.6% | Added |
| Martingale Asset Management L P | 96,223 | $2.22M | 0.06% | −4,287−4.3% | Reduced |
| PDT Partners, LLC | 98,626 | $2.28M | 0.13% | +63,154+178.0% | Added |
| Kames Capital plc | 98,800 | $2.28M | 0.03% | +98,800 | New |
| Healthcare of Ontario Pension Plan Trust Fund | 98,907 | $2.29M | 0.00% | +34,551+53.7% | Added |
| Franklin Resources Inc | 103,999 | $2.40M | 0.00% | +1,642+1.6% | Added |
| Federated Hermes, Inc. | 106,267 | $2.46M | 0.00% | −115−0.1% | Reduced |
| Uniplan Investment Counsel, Inc. | 106,268 | $2.46M | 0.25% | +106,268 | New |
| Susquehanna International Group, LLP | 108,222 | $2.50M | 0.00% | +58,209+116.4% | Added |
| Hennion & Walsh Asset Management, Inc. | 114,096 | $2.64M | 0.09% | +11,177+10.9% | Added |
| Truist Financial Corp | 115,015 | $2.66M | 0.00% | +270.0% | Added |
| SEI Investments Co | 121,241 | $2.80M | 0.00% | −2,115−1.7% | Reduced |
| Ameriprise Financial Inc | 123,539 | $2.86M | 0.00% | −8,645−6.5% | Reduced |
| Quantbot Technologies LP | 124,535 | $2.88M | 0.12% | +92,625+290.3% | Added |
| Creative Planning | 127,268 | $2.94M | 0.00% | +58,319+84.6% | Added |
| Hillsdale Investment Management Inc. | 127,661 | $2.95M | 0.08% | −5,800−4.3% | Reduced |
| State Board of Administration of Florida Retirement System | 129,607 | $3.00M | 0.01% | −1,134−0.9% | Reduced |
| Connor, Clark & Lunn Investment Management Ltd. | 136,346 | $3.15M | 0.01% | −93,314−40.6% | Reduced |
| Victory Capital Management Inc | 137,352 | $3.18M | 0.00% | −28,697−17.3% | Reduced |
| Banque Cantonale Vaudoise | 139,472 | $3.23M | 0.12% | −5,140−3.6% | Reduced |
| Swiss National Bank | 142,400 | $3.29M | 0.00% | 00.0% | Unchanged |
| Qube Research & Technologies Ltd | 157,546 | $3.64M | 0.01% | −465,120−74.7% | Reduced |
| Nuveen, LLC | 158,571 | $3.67M | 0.00% | −2,561−1.6% | Reduced |