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; 312 institutions reported holding it in 13F filings for Q2 2026, worth $2.86B in total; no superinvestor holds it.
13F holders, Q3 2021
Institutional positions in A10 Networks, Inc. as of Sep 30, 2021. 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
- 151
- +20 vs. Q2 2021
- Shares held
- 67.2M
- +1.21M (+1.8%) vs. Q2 2021
- Total value
- $906.0M
- +$162.4M (+21.8%) vs. Q2 2021
- New holders
- 29
- 51 more added
- Sold out
- 9
- 52 more reduced
1 institution that held it in Q2 2021 haven't filed for Q3 2021 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q2 2021: 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 | 312 | $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, Q3 2021
Shares, value and share of portfolio for each institution holding A10 Networks, Inc.; share changes are against Q2 2021.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Summit Partners L P | 9,560,941 | $128.9M | 4.45% | 00.0% | Unchanged |
| VIEX Capital Advisors, LLC | 7,691,096 | $103.7M | 69.09% | 00.0% | Unchanged |
| Vanguard Group Inc | 5,476,226 | $73.8M | 0.00% | +100,095+1.9% | Added |
| BlackRock Inc. | 4,544,300 | $61.3M | 0.00% | −812,060−15.2% | Reduced |
| Alliancebernstein L.P. | 3,769,272 | $50.8M | 0.02% | +491,161+15.0% | Added |
| Renaissance Technologies LLC | 2,931,336 | $39.5M | 0.05% | −136,297−4.4% | Reduced |
| Legal & General Group Plc | 2,770,574 | $37.3M | 0.01% | −60,445−2.1% | Reduced |
| First Trust Advisors LP | 2,284,261 | $30.8M | 0.03% | +1,081,217+89.9% | Added |
| ETF Managers Group, LLC | 2,061,551 | $27.6M | 0.52% | −349,656−14.5% | Reduced |
| State Street Corp | 1,902,401 | $25.6M | 0.00% | +73,063+4.0% | Added |
| Royce & Associates LP | 1,557,091 | $21.0M | 0.16% | −283,365−15.4% | Reduced |
| Bank of New York Mellon Corp | 1,516,453 | $20.4M | 0.00% | −24,798−1.6% | Reduced |
| Jacobs Levy Equity Management, Inc | 1,269,342 | $17.1M | 0.12% | −28,156−2.2% | Reduced |
| Peregrine Capital Management LLC | 1,132,325 | $15.3M | 0.32% | −233,387−17.1% | Reduced |
| Geode Capital Management, LLC | 1,114,333 | $15.0M | 0.00% | +10,202+0.9% | Added |
| JPMorgan Chase & Co | 885,821 | $11.9M | 0.00% | −192,244−17.8% | Reduced |
| Two Sigma Advisers, LP | 825,400 | $11.1M | 0.03% | +12,500+1.5% | Added |
| Dimensional Fund Advisors LP | 806,962 | $10.9M | 0.00% | +117,602+17.1% | Added |
| Two Sigma Investments, LP | 624,068 | $8.41M | 0.02% | −55,302−8.1% | Reduced |
| Penserra Capital Management LLC | 622,287 | $8.39M | 0.17% | +9,632+1.6% | Added |
| Charles Schwab Investment Management Inc | 620,669 | $8.37M | 0.00% | −23,164−3.6% | Reduced |
| Northern Trust Corp | 606,062 | $8.17M | 0.00% | −17,460−2.8% | Reduced |
| Assenagon Asset Management S.A. | 584,792 | $7.88M | 0.03% | −2,324−0.4% | Reduced |
| Mirae Asset Global Investments Co., Ltd. | 553,847 | $7.47M | 0.02% | +188,948+51.8% | Added |
| Rice Hall James & Associates, LLC | 501,226 | $6.76M | 0.25% | +384,922+331.0% | Added |
| BNP Paribas Arbitrage, SA | 499,775 | $6.74M | 0.02% | +117,232+30.6% | Added |
| Paradigm Capital Management Inc | 426,600 | $5.75M | 0.30% | 00.0% | Unchanged |
| Prudential Financial Inc | 417,091 | $5.62M | 0.01% | −81,665−16.4% | Reduced |
| Millennium Management LLC | 408,630 | $5.51M | 0.01% | +266,306+187.1% | Added |
| Morgan Stanley | 376,453 | $5.07M | 0.00% | +59,357+18.7% | Added |
| Hillsdale Investment Management Inc. | 374,000 | $5.04M | 0.39% | 00.0% | Unchanged |
| Bank of Montreal | 344,140 | $4.67M | 0.00% | +174,421+102.8% | Added |
| EAM Investors, LLC | 311,218 | $4.20M | 0.71% | +311,218 | New |
| Nuveen Asset Management, LLC | 280,376 | $3.88M | 0.00% | −17,557−5.9% | Reduced |
| Parametric Portfolio Associates LLC | 287,097 | $3.87M | 0.00% | +113,161+65.1% | Added |
| Migdal Insurance & Financial Holdings Ltd. | 284,692 | $3.82M | 0.04% | +284,692 | New |
| Los Angeles Capital Management LLC | 268,725 | $3.62M | 0.02% | −62,081−18.8% | Reduced |
| Citigroup Inc | 267,716 | $3.61M | 0.00% | −28,233−9.5% | Reduced |
| Fuller & Thaler Asset Management, Inc. | 257,670 | $3.47M | 0.02% | −1,075−0.4% | Reduced |
| EAM Global Investors LLC | 232,800 | $3.14M | 0.74% | +232,800 | New |
| Bridge City Capital, LLC | 230,717 | $3.11M | 1.41% | −61,750−21.1% | Reduced |
| Goldman Sachs Group Inc | 230,077 | $3.10M | 0.00% | +109,972+91.6% | Added |
| Russell Investments Group, Ltd. | 211,730 | $2.85M | 0.00% | +5,607+2.7% | Added |
| New York State Common Retirement Fund | 201,760 | $2.72M | 0.00% | +7,061+3.6% | Added |
| Jupiter Asset Management Ltd | 201,447 | $2.71M | 0.03% | +40,006+24.8% | Added |
| Walthausen & Co., LLC | 186,780 | $2.52M | 0.64% | −96,110−34.0% | Reduced |
| State Board of Administration of Florida Retirement System | 175,854 | $2.37M | 0.00% | −37,215−17.5% | Reduced |
| Martingale Asset Management L P | 173,089 | $2.33M | 0.03% | +87,564+102.4% | Added |
| Wells Fargo & Company | 164,142 | $2.21M | 0.00% | −56,034−25.4% | Reduced |
| Globeflex Capital L P | 162,304 | $2.19M | 0.48% | −61,621−27.5% | Reduced |
| AQR Capital Management LLC | 158,101 | $2.13M | 0.00% | −76,031−32.5% | Reduced |
| MESIROW FINANCIAL INVESTMENT MANAGEMENT - Equity & Fixed Income | 152,450 | $2.06M | 0.24% | +152,450 | New |
| Cooper Creek Partners Management LLC | 143,240 | $1.93M | 0.26% | 00.0% | Unchanged |
| Davy Global Fund Management Ltd | 135,424 | $1.83M | 0.28% | +8,766+6.9% | Added |
| Swiss National Bank | 128,200 | $1.73M | 0.00% | +2,000+1.6% | Added |
| Aviva PLC | 124,737 | $1.68M | 0.01% | +124,737 | New |
| Banque Cantonale Vaudoise | 121,615 | $1.64M | 0.07% | −2,184−1.8% | Reduced |
| Susquehanna International Group, LLP | 112,976 | $1.52M | 0.00% | −72,942−39.2% | Reduced |
| King Luther Capital Management Corp | 109,000 | $1.47M | 0.01% | −50,000−31.4% | Reduced |
| Algert Global LLC | 103,687 | $1.40M | 0.19% | +38,347+58.7% | Added |
| SEI Investments Co | 99,599 | $1.34M | 0.00% | +85,120+587.9% | Added |
| Davide Leone & Partners Investment Co Ltd. | 97,303 | $1.31M | 0.37% | −39,000−28.6% | Reduced |
| Teton Advisors, Inc. | 95,000 | $1.28M | 0.19% | 00.0% | Unchanged |
| Lynrock Lake LP | 93,609 | $1.26M | 0.08% | +26,943+40.4% | Added |
| Worth Venture Partners, LLC | 81,765 | $1.10M | 0.50% | +13,635+20.0% | Added |
| California State Teachers Retirement System | 80,248 | $1.08M | 0.00% | −2,618−3.2% | Reduced |
| UBS Asset Management Americas Inc | 79,281 | $1.07M | 0.00% | +14,485+22.4% | Added |
| Virginia Retirement Systems Et Al | 77,900 | $1.05M | 0.01% | +1,000+1.3% | Added |
| Connor, Clark & Lunn Investment Management Ltd. | 75,267 | $1.01M | 0.01% | +75,267 | New |
| Citadel Advisors LLC | 72,938 | $984.0K | 0.00% | −66,804−47.8% | Reduced |
| APG Asset Management N.V. | 84,200 | $979.0K | 0.00% | +84,200 | New |
| Cambridge Investment Research Advisors, Inc. | 70,660 | $952.0K | 0.00% | +800+1.1% | Added |
| Rhumbline Advisers | 69,079 | $931.0K | 0.00% | +2,775+4.2% | Added |
| Deutsche Bank AG | 65,375 | $881.0K | 0.00% | −779,666−92.3% | Reduced |
| Panagora Asset Management Inc | 56,683 | $764.0K | 0.00% | −257−0.5% | Reduced |
| Canada Pension Plan Investment Board | 56,000 | $755.0K | 0.00% | +56,000 | New |
| Franklin Resources Inc | 54,450 | $734.0K | 0.00% | +54,450 | New |
| ExodusPoint Capital Management, LP | 53,676 | $724.0K | 0.01% | +30,553+132.1% | Added |
| Invesco Ltd. | 53,622 | $723.0K | 0.00% | +6,353+13.4% | Added |
| Gamco Investors, Inc. Et Al | 52,500 | $708.0K | 0.01% | −17,007−24.5% | Reduced |
| Susquehanna Fundamental Investments, LLC | 51,140 | $689.0K | 0.01% | +51,140 | New |
| Verity Asset Management, Inc. | 50,458 | $680.0K | 0.44% | +2,112+4.4% | Added |
| DuPont Capital Management Corp | 47,472 | $640.0K | 0.02% | −6,709−12.4% | Reduced |
| DekaBank Deutsche Girozentrale | 47,750 | $631.0K | 0.00% | 00.0% | Unchanged |
| IndexIQ Advisors LLC | 46,784 | $631.0K | 0.02% | +4,686+11.1% | Added |
| SG Americas Securities, LLC | 46,621 | $628.0K | 0.00% | +46,621 | New |
| Bank of America Corp | 42,764 | $576.0K | 0.00% | −6,016−12.3% | Reduced |
| Barclays PLC | 42,157 | $569.0K | 0.00% | +31,430+293.0% | Added |
| Gsa Capital Partners LLP | 42,188 | $569.0K | 0.06% | +42,188 | New |
| Shell Asset Management Co | 40,723 | $549.0K | 0.01% | −1,760−4.1% | Reduced |
| Adirondack Research & Management Inc. | 40,636 | $548.0K | 0.67% | −45,548−52.8% | Reduced |
| Hennion & Walsh Asset Management, Inc. | 40,329 | $544.0K | 0.03% | +18,895+88.2% | Added |
| Credit Suisse AG | 40,099 | $540.0K | 0.00% | +3,083+8.3% | Added |
| Winton Group Ltd | 38,970 | $525.0K | 0.03% | +9,528+32.4% | Added |
| American International Group, Inc. | 32,893 | $443.0K | 0.00% | −781−2.3% | Reduced |
| State of Tennessee, Treasury Department | 32,399 | $437.0K | 0.00% | 00.0% | Unchanged |
| Manufacturers Life Insurance Company, The | 32,237 | $435.0K | 0.00% | −3,279−9.2% | Reduced |
| Cubist Systematic Strategies, LLC | 30,747 | $414.0K | 0.01% | +30,747 | New |
| US Bancorp | 30,499 | $411.0K | 0.00% | −144−0.5% | Reduced |
| Victory Capital Management Inc | 29,548 | $398.0K | 0.00% | −4,467−13.1% | Reduced |