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; 321 institutions reported holding it in 13F filings for Q2 2026, worth $3.25B in total; no superinvestor holds it.
13F holders, Q2 2026
Institutional positions in A10 Networks, Inc. as of Jun 30, 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
- 321
- +60 vs. Q1 2026
- Shares held
- 93.4M
- +21.3M (+29.5%) vs. Q1 2026
- Total value
- $3.25B
- +$1.58B (+94.7%) vs. Q1 2026
- New holders
- 87
- 92 more added
- Sold out
- 27
- 101 more reduced
4 institutions that held it in Q1 2026 haven't filed for Q2 2026 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q1 2026: 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 | 321 | $3.25B |
| Q1 2026 | 265 | $1.67B |
| Q4 2025 | 243 | $1.25B |
| Q3 2025 | 237 | $1.28B |
| Q2 2025 | 232 | $1.36B |
| Q1 2025 | 253 | $1.16B |
| Q4 2024 | 219 | $1.20B |
| Q3 2024 | 207 | $948.1M |
| Q2 2024 | 218 | $925.1M |
| Q1 2024 | 181 | $967.4M |
| Q4 2023 | 191 | $915.3M |
| Q3 2023 | 193 | $982.7M |
| Q2 2023 | 198 | $953.7M |
| Q1 2023 | 217 | $984.2M |
| Q4 2022 | 223 | $1.10B |
| Q3 2022 | 202 | $866.3M |
| Q2 2022 | 203 | $989.8M |
| Q1 2022 | 195 | $897.8M |
| Q4 2021 | 176 | $1.08B |
| Q3 2021 | 151 | $906.0M |
| Q2 2021 | 132 | $747.3M |
| Q1 2021 | 134 | $888.4M |
Institutions, Q2 2026
Shares, value and share of portfolio for each institution holding A10 Networks, Inc.; share changes are against Q1 2026.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| BlackRock, Inc. | 13,568,496 | $506.9M | 0.01% | +480,219+3.7% | Added |
| Vanguard Portfolio Management LLC | 3,462,058 | $129.3M | 0.01% | +74,210+2.2% | Added |
| First Trust Advisors LP | 3,244,739 | $121.2M | 0.07% | +1,524,922+88.7% | Added |
| State Street Corp | 3,082,631 | $115.2M | 0.00% | −7,554−0.2% | Reduced |
| Vanguard Capital Management LLC | 3,071,071 | $114.7M | 0.00% | −49,944−1.6% | Reduced |
| Penserra Capital Management LLC | 3,068,045 | $114.6M | 0.88% | −526,067−14.6% | Reduced |
| Boston Trust Walden Corp | 2,416,808 | $90.3M | 0.69% | +243,547+11.2% | Added |
| Linden Advisors LP | – | $84.1M | 0.44% | – | New |
| Wellington Management Group LLP | 1,959,853 | $73.2M | 0.01% | −114,658−5.5% | Reduced |
| FMR LLC | 1,433,878 | $72.2M | 0.00% | +1,405,772+5,001.7% | Added |
| Geode Capital Management, LLC | 1,813,638 | $67.8M | 0.00% | +96,232+5.6% | Added |
| D. E. Shaw & Co., Inc. | 547,577 | $67.3M | 0.04% | +284,190+107.9% | Added |
| Goldman Sachs Group Inc | 1,784,946 | $66.7M | 0.01% | +598,203+50.4% | Added |
| Dimensional Fund Advisors LP | 1,599,129 | $59.7M | 0.01% | −36,818−2.3% | Reduced |
| Renaissance Technologies LLC | 1,520,287 | $56.8M | 0.08% | −264,700−14.8% | Reduced |
| Arrowstreet Capital, Limited Partnership | 1,437,650 | $53.7M | 0.02% | −59,494−4.0% | Reduced |
| Mirae Asset Global ETFs Holdings Ltd. | 1,426,608 | $53.3M | 0.06% | −129,568−8.3% | Reduced |
| Citadel Advisors LLC | 93,240 | $51.0M | 0.03% | −420,780−81.9% | Reduced |
| Invesco Ltd. | 1,243,053 | $46.4M | 0.00% | +880,381+242.7% | Added |
| Wolverine Asset Management LLC | – | $46.2M | 0.60% | – | New |
| Punch & Associates Investment Management, Inc. | 1,188,747 | $44.4M | 2.20% | −271,163−18.6% | Reduced |
| Two Sigma Investments, LP | 1,124,963 | $42.0M | 0.03% | −195,026−14.8% | Reduced |
| Prudential Financial Inc | 1,048,320 | $39.2M | 0.04% | +163,113+18.4% | Added |
| Tenor Capital Management Co., L.P. | – | $36.4M | 0.51% | – | New |
| UBS Group AG | 736,554 | $36.0M | 0.01% | +346,499+88.8% | Added |
| Barclays PLC | 962,382 | $36.0M | 0.01% | −912,120−48.7% | Reduced |
| Morgan Stanley | 908,083 | $33.9M | 0.00% | +94,996+11.7% | Added |
| Nomura Asset Management International Inc. | 896,517 | $33.5M | 0.05% | +896,517 | New |
| Price T Rowe Associates Inc | 894,398 | $33.4M | 0.00% | −178,440−16.6% | Reduced |
| Loomis Sayles & Co L P | 884,023 | $33.0M | 0.04% | +884,023 | New |
| BNP Paribas Arbitrage, SA | 573,164 | $30.8M | 0.02% | +183,452+47.1% | Added |
| Boston Partners | 802,469 | $30.0M | 0.03% | −13,321−1.6% | Reduced |
| Charles Schwab Investment Management Inc | 761,676 | $28.5M | 0.00% | +17,708+2.4% | Added |
| Northern Trust Corp | 756,476 | $28.3M | 0.00% | +52,072+7.4% | Added |
| Bank of New York Mellon Corp | 1,559,883 | $26.1M | 0.00% | +899,244+136.1% | Added |
| Davidson Kempner Capital Management LP | – | $25.4M | 0.41% | – | New |
| Royce & Associates LP | 597,646 | $22.3M | 0.18% | −219,784−26.9% | Reduced |
| Oberweis Asset Management Inc | 552,000 | $20.6M | 0.43% | +47,700+9.5% | Added |
| Vanguard Fiduciary Trust Co | 511,169 | $19.1M | 0.00% | +16,736+3.4% | Added |
| Absolute Investment Advisers LLC | 11,000,000 | $18.6M | 1.80% | +11,000,000 | New |
| Royal Bank of Canada | 463,003 | $17.3M | 0.00% | −73,458−13.7% | Reduced |
| Bank of America Corp | 461,387 | $17.2M | 0.00% | +254,717+123.2% | Added |
| Aptus Capital Advisors, LLC | 457,762 | $17.1M | 0.12% | +2,760+0.6% | Added |
| Acadian Asset Management LLC | 455,769 | $17.0M | 0.02% | +455,769 | New |
| Principal Financial Group Inc | 446,423 | $16.7M | 0.01% | +10,144+2.3% | Added |
| Defiance ETFs, LLC | 412,194 | $15.7M | 0.22% | −10,944−2.6% | Reduced |
| Wasatch Advisors Inc | 416,114 | $15.5M | 0.10% | +416,114 | New |
| Impax Asset Management Group plc | 410,000 | $15.3M | 0.10% | −60,000−12.8% | Reduced |
| Capstone Investment Advisors, LLC | – | $15.3M | 0.11% | – | New |
| Ceredex Value Advisors LLC | 387,750 | $14.5M | 0.41% | +387,750 | New |
| Paradigm Capital Management Inc | 384,700 | $14.4M | 0.39% | −16,700−4.2% | Reduced |
| JPMorgan Chase & Co | 283,306 | $13.3M | 0.00% | −43,340−13.3% | Reduced |
| Wells Fargo & Company | 329,534 | $12.3M | 0.00% | −3,000−0.9% | Reduced |
| Jump Financial, LLC | 324,417 | $12.1M | 0.11% | +36,959+12.9% | Added |
| Silverback Asset Management LLC | – | $11.5M | 1.45% | – | New |
| Bridge City Capital, LLC | 296,239 | $11.1M | 2.53% | −104,444−26.1% | Reduced |
| Crawford Investment Counsel Inc | 295,532 | $11.0M | 0.18% | −25,090−7.8% | Reduced |
| Envestnet Asset Management Inc | 247,901 | $9.26M | 0.00% | +247,901 | New |
| Public Sector Pension Investment Board | 247,318 | $9.24M | 0.02% | −8,469−3.3% | Reduced |
| Rice Hall James & Associates, LLC | 245,117 | $9.16M | 0.45% | −91,707−27.2% | Reduced |
| Nuveen, LLC | 236,607 | $8.84M | 0.00% | +78,036+49.2% | Added |
| American Century Companies Inc | 234,381 | $8.76M | 0.00% | +12,012+5.4% | Added |
| Picton Mahoney Asset Management | 5,000,000 | $8.51M | 0.08% | +5,000,000 | New |
| Portolan Capital Management, LLC | 226,920 | $8.48M | 0.32% | +226,920 | New |
| Peregrine Capital Management LLC | 201,952 | $7.54M | 0.25% | −17,667−8.0% | Reduced |
| Summit Partners L P | 200,065 | $7.47M | 1.23% | 00.0% | Unchanged |
| Legal & General Group Plc | 189,446 | $7.08M | 0.00% | −1,170−0.6% | Reduced |
| EAM Investors, LLC | 188,768 | $7.05M | 0.63% | +188,768 | New |
| Millennium Management LLC | 175,579 | $6.90M | 0.00% | −239,341−57.7% | Reduced |
| Connor, Clark & Lunn Investment Management Ltd. | 178,808 | $6.68M | 0.01% | +42,462+31.1% | Added |
| Rhumbline Advisers | 172,167 | $6.43M | 0.00% | −19,943−10.4% | Reduced |
| Bessemer Group Inc | 171,223 | $6.40M | 0.01% | 00.0% | Unchanged |
| Ameriprise Financial Inc | 168,623 | $6.30M | 0.00% | +45,084+36.5% | Added |
| Uniplan Investment Counsel, Inc. | 161,381 | $6.03M | 0.57% | +55,113+51.9% | Added |
| UBS Asset Management Americas Inc | 159,216 | $5.95M | 0.00% | −2,338−1.4% | Reduced |
| Davy Global Fund Management Ltd | 158,843 | $5.93M | 0.38% | −16,351−9.3% | Reduced |
| SEI Investments Co | 151,678 | $5.67M | 0.00% | +30,437+25.1% | Added |
| Deutsche Bank AG | 87,103 | $5.63M | 0.00% | +6,578+8.2% | Added |
| Creative Planning | 149,624 | $5.59M | 0.00% | +22,356+17.6% | Added |
| Harbor Capital Advisors, Inc. | 147,669 | $5.52M | 0.38% | −39,461−21.1% | Reduced |
| Voya Investment Management LLC | 143,421 | $5.36M | 0.00% | −23,057−13.8% | Reduced |
| Hennion & Walsh Asset Management, Inc. | 141,978 | $5.30M | 0.15% | +27,882+24.4% | Added |
| Truist Financial Corp | 138,302 | $5.17M | 0.01% | +23,287+20.2% | Added |
| Credit Agricole S A | 138,000 | $5.16M | 0.01% | +138,000 | New |
| Swiss National Bank | 136,700 | $5.11M | 0.00% | −5,700−4.0% | Reduced |
| 4D Advisors, LLC | 135,000 | $5.04M | 1.94% | +135,000 | New |
| Russell Investments Group, Ltd. | 134,991 | $5.04M | 0.00% | −254,789−65.4% | Reduced |
| Citigroup Inc | 128,365 | $4.80M | 0.00% | +82,622+180.6% | Added |
| Victory Capital Management Inc | 122,942 | $4.59M | 0.00% | −14,410−10.5% | Reduced |
| Tudor Investment Corp Et Al | 120,260 | $4.49M | 0.02% | −118,597−49.7% | Reduced |
| State Board of Administration of Florida Retirement System | 114,819 | $4.29M | 0.01% | −14,788−11.4% | Reduced |
| Federated Hermes, Inc. | 114,416 | $4.27M | 0.01% | +8,149+7.7% | Added |
| Warberg Asset Management LLC | – | $4.25M | 1.26% | – | New |
| PDT Partners, LLC | 111,226 | $4.16M | 0.22% | +12,600+12.8% | Added |
| Universal- Beteiligungs- und Servicegesellschaft mbH | 104,707 | $3.91M | 0.01% | +14,488+16.1% | Added |
| Brevan Howard Capital Management LP | 102,085 | $3.81M | 0.05% | +77,185+310.0% | Added |
| Franklin Resources Inc | 99,729 | $3.73M | 0.00% | −4,270−4.1% | Reduced |
| HSBC Holdings PLC | 94,437 | $3.53M | 0.00% | −81,343−46.3% | Reduced |
| Jane Street Group, LLC | 93,880 | $3.51M | 0.00% | −502,068−84.2% | Reduced |
| AQR Capital Management LLC | 83,207 | $3.11M | 0.00% | +33,361+66.9% | Added |