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 |
|---|---|---|---|---|---|
| UBS Asset Management Americas Inc | 161,554 | $3.74M | 0.00% | +24,406+17.8% | Added |
| Voya Investment Management LLC | 166,478 | $3.85M | 0.00% | −50,588−23.3% | Reduced |
| Bessemer Group Inc | 171,223 | $3.96M | 0.01% | 00.0% | Unchanged |
| HSBC Holdings PLC | 175,780 | $4.05M | 0.00% | +21,964+14.3% | Added |
| Davy Global Fund Management Ltd | 175,194 | $4.05M | 0.31% | −299−0.2% | Reduced |
| Harbor Capital Advisors, Inc. | 187,130 | $4.33M | 0.35% | −30,382−14.0% | Reduced |
| Legal & General Group Plc | 190,616 | $4.41M | 0.00% | −17,447−8.4% | Reduced |
| Rhumbline Advisers | 192,110 | $4.44M | 0.00% | +5,211+2.8% | Added |
| Summit Partners L P | 200,065 | $4.63M | 0.69% | +12,698+6.8% | Added |
| Bank of America Corp | 206,670 | $4.78M | 0.00% | +41,197+24.9% | Added |
| Peregrine Capital Management LLC | 219,619 | $5.08M | 0.19% | −21,194−8.8% | Reduced |
| American Century Companies Inc | 222,369 | $5.14M | 0.00% | −7,108−3.1% | Reduced |
| New York State Common Retirement Fund | 235,727 | $5.45M | 0.01% | +137,882+140.9% | Added |
| Tudor Investment Corp Et Al | 238,857 | $5.52M | 0.03% | −131,587−35.5% | Reduced |
| Public Sector Pension Investment Board | 255,787 | $5.91M | 0.02% | +7,574+3.1% | Added |
| D. E. Shaw & Co., Inc. | 263,387 | $6.09M | 0.00% | +263,387 | New |
| Jump Financial, LLC | 287,458 | $6.65M | 0.10% | +287,458 | New |
| Man Group plc | 304,441 | $7.04M | 0.01% | +114,108+60.0% | Added |
| JPMorgan Chase & Co | 326,646 | $7.30M | 0.00% | +109,648+50.5% | Added |
| HRT Financial LP | 320,380 | $7.41M | 0.02% | +320,380 | New |
| Crawford Investment Counsel Inc | 320,622 | $7.41M | 0.13% | +17,630+5.8% | Added |
| Wells Fargo & Company | 332,534 | $7.69M | 0.00% | +76,409+29.8% | Added |
| Rice Hall James & Associates, LLC | 336,824 | $7.79M | 0.43% | +20,312+6.4% | Added |
| Invesco Ltd. | 362,672 | $8.38M | 0.00% | −473,506−56.6% | Reduced |
| BNP Paribas Arbitrage, SA | 389,712 | $9.01M | 0.01% | +178,964+84.9% | Added |
| Russell Investments Group, Ltd. | 389,780 | $9.01M | 0.01% | +356,305+1,064.4% | Added |
| UBS Group AG | 390,055 | $9.02M | 0.00% | −40,144−9.3% | Reduced |
| Bridge City Capital, LLC | 400,683 | $9.26M | 2.57% | +21,341+5.6% | Added |
| Paradigm Capital Management Inc | 401,400 | $9.28M | 0.36% | 00.0% | Unchanged |
| Millennium Management LLC | 414,920 | $9.59M | 0.01% | +202,848+95.7% | Added |
| Defiance ETFs, LLC | 423,138 | $9.78M | 0.14% | −137,192−24.5% | Reduced |
| Principal Financial Group Inc | 436,279 | $10.1M | 0.01% | −15,967−3.5% | Reduced |
| Aptus Capital Advisors, LLC | 455,002 | $10.5M | 0.09% | +4,617+1.0% | Added |
| Impax Asset Management Group plc | 470,000 | $10.9M | 0.08% | +110,000+30.6% | Added |
| Vanguard Fiduciary Trust Co | 494,433 | $11.4M | 0.00% | +494,433 | New |
| Oberweis Asset Management Inc | 504,300 | $11.7M | 0.34% | +504,300 | New |
| Citadel Advisors LLC | 514,020 | $11.9M | 0.01% | +362,004+238.1% | Added |
| Royal Bank of Canada | 536,461 | $12.4M | 0.00% | +531,096+9,899.3% | Added |
| Deprince Race & Zollo Inc | 564,800 | $13.1M | 0.25% | +564,800 | New |
| Jane Street Group, LLC | 595,948 | $13.8M | 0.01% | +595,948 | New |
| Bank of New York Mellon Corp | 660,639 | $15.3M | 0.00% | −5,014−0.8% | Reduced |
| Northern Trust Corp | 704,404 | $16.3M | 0.00% | +16,678+2.4% | Added |
| Charles Schwab Investment Management Inc | 743,968 | $17.2M | 0.00% | +15,400+2.1% | Added |
| Morgan Stanley | 813,087 | $18.8M | 0.00% | +8,737+1.1% | Added |
| Royce & Associates LP | 817,430 | $18.9M | 0.19% | +90,020+12.4% | Added |
| Boston Partners | 815,790 | $19.0M | 0.02% | −24,350−2.9% | Reduced |
| Prudential Financial Inc | 885,207 | $20.5M | 0.03% | +811,799+1,105.9% | Added |
| Price T Rowe Associates Inc | 1,072,838 | $24.8M | 0.00% | −463,790−30.2% | Reduced |
| Goldman Sachs Group Inc | 1,186,743 | $27.4M | 0.00% | +152,252+14.7% | Added |
| Two Sigma Investments, LP | 1,319,989 | $30.5M | 0.03% | +586,255+79.9% | Added |
| Punch & Associates Investment Management, Inc. | 1,459,910 | $33.8M | 1.95% | +24,284+1.7% | Added |
| Arrowstreet Capital, Limited Partnership | 1,497,144 | $34.6M | 0.02% | +401,857+36.7% | Added |
| Mirae Asset Global ETFs Holdings Ltd. | 1,556,176 | $36.0M | 0.05% | +107,247+7.4% | Added |
| Dimensional Fund Advisors LP | 1,635,947 | $37.8M | 0.01% | −12,841−0.8% | Reduced |
| Geode Capital Management, LLC | 1,717,406 | $39.7M | 0.00% | −60,225−3.4% | Reduced |
| First Trust Advisors LP | 1,719,817 | $39.8M | 0.03% | −743,520−30.2% | Reduced |
| Renaissance Technologies LLC | 1,784,987 | $41.3M | 0.06% | −349,747−16.4% | Reduced |
| Barclays PLC | 1,874,502 | $43.3M | 0.02% | +32,596+1.8% | Added |
| Wellington Management Group LLP | 2,074,511 | $48.0M | 0.01% | +54,444+2.7% | Added |
| Boston Trust Walden Corp | 2,173,261 | $50.2M | 0.41% | −267,388−11.0% | Reduced |
| State Street Corp | 3,090,185 | $71.4M | 0.00% | −25,970−0.8% | Reduced |
| Vanguard Capital Management LLC | 3,121,015 | $72.2M | 0.00% | +3,121,015 | New |
| Vanguard Portfolio Management LLC | 3,387,848 | $78.3M | 0.00% | +3,387,848 | New |
| Penserra Capital Management LLC | 3,594,112 | $83.1M | 0.97% | −666,147−15.6% | Reduced |
| BlackRock, Inc. | 13,088,277 | $302.6M | 0.01% | +103,228+0.8% | Added |
| Two Sigma Advisers, LP | 0 | $0 | 0.00% | −474,000−100.0% | Sold out |
| Alyeska Investment Group, L.P. | 0 | $0 | 0.00% | −272,093−100.0% | Sold out |
| Quest Partners LLC | 0 | $0 | 0.00% | −162,685−100.0% | Sold out |
| Wedge Capital Management L L P | 0 | $0 | 0.00% | −120,897−100.0% | Sold out |
| October Effect Ltd | 0 | $0 | 0.00% | −100,437−100.0% | Sold out |
| Teacher Retirement System of Texas | 0 | $0 | 0.00% | −96,576−100.0% | Sold out |
| Dark Forest Capital Management LP | 0 | $0 | 0.00% | −74,366−100.0% | Sold out |
| Voloridge Investment Management, LLC | 0 | $0 | 0.00% | −61,162−100.0% | Sold out |
| Verition Fund Management LLC | 0 | $0 | 0.00% | −41,948−100.0% | Sold out |
| Engineers Gate Manager LP | 0 | $0 | 0.00% | −39,850−100.0% | Sold out |
| Round Rock Advisors, LLC | 0 | $0 | 0.00% | −27,353−100.0% | Sold out |
| Alps Advisors Inc | 0 | $0 | 0.00% | −26,355−100.0% | Sold out |
| Boothbay Fund Management, LLC | 0 | $0 | 0.00% | −20,209−100.0% | Sold out |
| Integrated Quantitative Investments LLC | 0 | $0 | 0.00% | −19,536−100.0% | Sold out |
| Counterpoint Mutual Funds LLC | 0 | $0 | 0.00% | −16,156−100.0% | Sold out |
| Gallacher Capital Management LLC | 0 | $0 | 0.00% | −14,308−100.0% | Sold out |
| Mirabella Financial Services LLP | 0 | $0 | 0.00% | −12,006−100.0% | Sold out |
| FourThought Financial Partners, LLC | 0 | $0 | 0.00% | −11,591−100.0% | Sold out |
| Sawgrass Asset Management LLC | 0 | $0 | 0.00% | −10,483−100.0% | Sold out |
| Graham Capital Management, L.P. | 0 | $0 | 0.00% | −10,054−100.0% | Sold out |
| Vestcor Inc | 0 | $0 | 0.00% | −2,709−100.0% | Sold out |
| Clearstead Advisors, LLC | 0 | $0 | 0.00% | −2,490−100.0% | Sold out |
| MPWM Advisory Solutions, LLC | 0 | $0 | 0.00% | −806−100.0% | Sold out |
| Plante Moran Financial Advisors, LLC | 0 | $0 | 0.00% | −665−100.0% | Sold out |
| Danske Bank A/S | 0 | $0 | 0.00% | −400−100.0% | Sold out |
| Toth Financial Advisory Corp | 0 | $0 | 0.00% | −100−100.0% | Sold out |
| Safe Harbor Fiduciary, LLC | 0 | $0 | 0.00% | −100−100.0% | Sold out |
| Optima Capital LLC | 0 | $0 | 0.00% | −33−100.0% | Sold out |
| North Star Investment Management Corp. | 0 | $0 | 0.00% | −30−100.0% | Sold out |
| ROSS\JOHNSON & Associates LLC | 0 | $0 | 0.00% | −10−100.0% | Sold out |
| Flagship Harbor Advisors, LLC | 0 | $0 | 0.00% | −9−100.0% | Sold out |
| Vanguard Group Inc | – | – | – | – | Not filed |
| Comerica Bank | – | – | – | – | Not filed |
| QSV Equity Investors LLC | – | – | – | – | Not filed |
| Norges Bank | – | – | – | – | Not filed |