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 |
|---|---|---|---|---|---|
| Summit Global Investments | 63,936 | $1.48M | 0.09% | −3,614−5.4% | Reduced |
| Verity Asset Management, Inc. | 62,353 | $1.44M | 0.60% | −29,603−32.2% | Reduced |
| Great West Life Assurance Co | 59,168 | $1.37M | 0.00% | −3,777−6.0% | Reduced |
| Allspring Global Investments Holdings, LLC | 55,218 | $1.33M | 0.00% | +5,671+11.4% | Added |
| Alliancebernstein L.P. | 72,558 | $1.28M | 0.00% | +2,987+4.3% | Added |
| Quantinno Capital Management LP | 55,029 | $1.27M | 0.00% | +33,136+151.4% | Added |
| SG Americas Securities, LLC | 54,521 | $1.26M | 0.00% | +3,073+6.0% | Added |
| XTX Topco Ltd | 50,129 | $1.16M | 0.02% | +6,652+15.3% | Added |
| AQR Capital Management LLC | 49,846 | $1.15M | 0.00% | +11,240+29.1% | Added |
| Legato Capital Management LLC | 48,392 | $1.12M | 0.10% | −31,723−39.6% | Reduced |
| Thrivent Financial for Lutherans | 47,723 | $1.10M | 0.00% | −1,563−3.2% | Reduced |
| State of Alaska, Department of Revenue | 47,065 | $1.09M | 0.01% | −1,227−2.5% | Reduced |
| Vanguard Asset Management, Ltd | 46,610 | $1.08M | 0.00% | +46,610 | New |
| Squarepoint Ops LLC | 45,864 | $1.06M | 0.00% | +45,864 | New |
| Citigroup Inc | 45,743 | $1.06M | 0.00% | −19,321−29.7% | Reduced |
| VARCOV Co. | 44,778 | $1.04M | 0.39% | +44,778 | New |
| Mackenzie Financial Corp | 44,129 | $1.02M | 0.00% | −56,142−56.0% | Reduced |
| Gamco Investors, Inc. Et Al | 42,750 | $988.4K | 0.01% | 00.0% | Unchanged |
| Aquatic Capital Management LLC | 42,737 | $988.1K | 0.03% | +42,737 | New |
| Illumine Investment Management, LLC | 42,732 | $988.0K | 0.76% | +35+0.1% | Added |
| Gsa Capital Partners LLP | 40,988 | $948.0K | 0.06% | +7,656+23.0% | Added |
| Magnetar Financial LLC | 40,453 | $935.3K | 0.01% | +40,453 | New |
| Amundi | 40,416 | $934.4K | 0.00% | +2,532+6.7% | Added |
| Zurcher Kantonalbank (Zurich Cantonalbank) | 39,540 | $914.2K | 0.00% | +7,806+24.6% | Added |
| MetLife Investment Management | 38,856 | $898.4K | 0.00% | −346−0.9% | Reduced |
| Raymond James Financial Inc | 37,849 | $875.1K | 0.00% | −33,550−47.0% | Reduced |
| Teton Advisors, LLC | 36,000 | $832.3K | 0.59% | 00.0% | Unchanged |
| Horizon Investments, LLC | 34,314 | $793.3K | 0.01% | −786−2.2% | Reduced |
| Toroso Investments, LLC | 33,989 | $785.8K | 0.00% | +4,235+14.2% | Added |
| Illinois Municipal Retirement Fund | 33,229 | $768.3K | 0.01% | −2,619−7.3% | Reduced |
| Evergreen Capital Management LLC | 33,106 | $765.4K | 0.02% | +3,344+11.2% | Added |
| Louisiana State Employees Retirement System | 31,700 | $732.9K | 0.01% | −1,200−3.6% | Reduced |
| Manufacturers Life Insurance Company, The | 29,501 | $682.1K | 0.00% | −1,261−4.1% | Reduced |
| Trexquant Investment LP | 29,323 | $677.9K | 0.00% | −146,415−83.3% | Reduced |
| Pathstone Holdings, LLC | 29,138 | $673.7K | 0.00% | +17,239+144.9% | Added |
| nVerses Capital, LLC | 29,119 | $673.2K | 0.61% | +29,119 | New |
| State of Tennessee, Treasury Department | 29,086 | $672.5K | 0.00% | +12,500+75.4% | Added |
| Unique Wealth Strategies, LLC | 28,208 | $652.2K | 0.27% | +28,208 | New |
| FMR LLC | 28,106 | $649.8K | 0.00% | +11,390+68.1% | Added |
| Vanguard Global Advisers, LLC | 27,840 | $643.7K | 0.00% | +27,840 | New |
| Mirae Asset Global Investments Co., Ltd. | 27,422 | $634.0K | 0.00% | +3,879+16.5% | Added |
| Winton Group Ltd | 26,457 | $611.7K | 0.02% | −45,070−63.0% | Reduced |
| 1492 Capital Management LLC | 26,378 | $609.9K | 0.23% | +6,596+33.3% | Added |
| Cookson Peirce & Co Inc | 25,000 | $578.0K | 0.02% | +25,000 | New |
| DZ BANK AG Deutsche Zentral Genossenschafts Bank, Frankfurt am Main | 24,983 | $577.6K | 0.00% | −115,683−82.2% | Reduced |
| Brevan Howard Capital Management LP | 24,900 | $575.7K | 0.01% | +24,900 | New |
| Optimize Financial Inc | 23,700 | $547.9K | 0.27% | 00.0% | Unchanged |
| Weiss Asset Management LP | 21,630 | $500.1K | 0.01% | +21,630 | New |
| Amalgamated Bank | 20,597 | $476.0K | 0.00% | −389−1.9% | Reduced |
| New York State Teachers Retirement System | 20,501 | $474.0K | 0.00% | +3,246+18.8% | Added |
| Captrust Financial Advisors | 20,273 | $468.7K | 0.00% | +20,273 | New |
| Police & Firemen's Retirement System of New Jersey | 20,050 | $463.6K | 0.00% | +1,709+9.3% | Added |
| Gotham Asset Management, LLC | 19,882 | $459.7K | 0.00% | −14,692−42.5% | Reduced |
| Seizert Capital Partners, LLC | 19,747 | $456.6K | 0.02% | 00.0% | Unchanged |
| Arizona State Retirement System | 19,701 | $455.5K | 0.00% | −331−1.7% | Reduced |
| Vanguard Investments Australia, Ltd. | 19,665 | $454.7K | 0.00% | +19,665 | New |
| Yousif Capital Management, LLC | 19,049 | $440.4K | 0.01% | −165−0.9% | Reduced |
| Pacer Advisors, Inc. | 18,413 | $426.0K | 0.00% | +4,821+35.5% | Added |
| Schonfeld Strategic Advisors LLC | 18,035 | $417.0K | 0.00% | +18,035 | New |
| Lazard Asset Management LLC | 17,993 | $416.0K | 0.00% | −10,169−36.1% | Reduced |
| Teachers Retirement System of the State of Kentucky | 17,891 | $414.0K | 0.00% | 00.0% | Unchanged |
| Linden Thomas Advisory Services, LLC | 17,728 | $409.9K | 0.04% | +3,205+22.1% | Added |
| Commonwealth of Pennsylvania Public School Empls Retrmt Sys | 17,681 | $408.8K | 0.00% | −76−0.4% | Reduced |
| Axq Capital, LP | 17,556 | $405.9K | 0.05% | +17,556 | New |
| Fifth Third Bancorp | 17,081 | $394.9K | 0.00% | +16,531+3,005.6% | Added |
| Inceptionr LLC | 16,531 | $382.2K | 0.09% | +16,531 | New |
| Oregon Public Employees Retirement Fund | 16,318 | $377.3K | 0.00% | −100−0.6% | Reduced |
| Intech Investment Management LLC | 15,752 | $364.2K | 0.00% | −13,214−45.6% | Reduced |
| Cim Investment Mangement Inc | 15,292 | $353.6K | 0.09% | +4,521+42.0% | Added |
| Commonwealth Equity Services, LLC | 14,763 | $341.3K | 0.00% | −10,806−42.3% | Reduced |
| Neuberger Berman Group LLC | 14,512 | $335.5K | 0.00% | +14,512 | New |
| JustInvest LLC | 14,366 | $332.1K | 0.00% | +14,366 | New |
| Pinnacle Financial Partners, Inc. | 14,209 | $328.6K | 0.00% | −42−0.3% | Reduced |
| Abel Hall, LLC | 12,663 | $292.8K | 0.06% | +12,663 | New |
| Cornerstone Investment Partners, LLC | 12,183 | $281.7K | 0.01% | +12,183 | New |
| BNP PARIBAS ASSET MANAGEMENT Holding S.A. | 12,078 | $279.2K | 0.00% | +500+4.3% | Added |
| US Bancorp | 11,988 | $277.2K | 0.00% | +34+0.3% | Added |
| Simplex Trading, LLC | 11,717 | $270.9K | 0.01% | +10,141+643.5% | Added |
| Empowered Funds, LLC | 11,689 | $270.3K | 0.00% | +11,689 | New |
| Freestone Grove Partners LP | 11,591 | $268.0K | 0.00% | +11,591 | New |
| ProShare Advisors LLC | 11,188 | $258.7K | 0.00% | −2,795−20.0% | Reduced |
| Summit Trail Advisors, LLC | 10,913 | $252.3K | 0.00% | +10,913 | New |
| Impact Partnership Wealth, LLC | 10,573 | $244.4K | 0.03% | +10,573 | New |
| Campbell & CO Investment Adviser LLC | 10,561 | $244.2K | 0.01% | +10,561 | New |
| Maryland State Retirement & Pension System | 10,502 | $242.8K | 0.00% | 00.0% | Unchanged |
| Glenmede Trust Co NA | 10,382 | $240.0K | 0.00% | +10,382 | New |
| LSV Asset Management | 10,400 | $240.0K | 0.00% | 00.0% | Unchanged |
| Pictet Asset Management Holding SA | 10,290 | $237.9K | 0.00% | +10,290 | New |
| Gabelli Funds LLC | 10,000 | $231.2K | 0.00% | 00.0% | Unchanged |
| Hohimer Wealth Management, LLC | 9,654 | $223.2K | 0.03% | −1,727−15.2% | Reduced |
| M&T Bank Corp | 9,273 | $214.4K | 0.00% | +9,273 | New |
| Leonteq Securities AG | 9,229 | $213.4K | 0.01% | +4,862+111.3% | Added |
| Dynamic Technology Lab Private Ltd | 9,140 | $211.3K | 0.03% | −12,207−57.2% | Reduced |
| Merit Financial Group, LLC | 8,810 | $203.7K | 0.00% | +8,810 | New |
| State of Wyoming | 7,799 | $180.3K | 0.02% | +7,799 | New |
| Tower Research Capital LLC (TRC) | 7,321 | $169.3K | 0.00% | +433+6.3% | Added |
| GAMMA Investing LLC | 6,608 | $152.8K | 0.01% | +2,197+49.8% | Added |
| Ameritas Investment Partners, Inc. | 6,009 | $138.9K | 0.00% | 00.0% | Unchanged |
| Nkcfo LLC | 5,000 | $116.0K | 0.03% | +5,000 | New |
| Advisor Group Holdings, Inc. | 4,302 | $99.5K | 0.00% | +3,595+508.5% | Added |