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, 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 | 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, 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 |
|---|---|---|---|---|---|
| BlackRock, Inc. | 13,088,277 | $302.6M | 0.01% | +103,228+0.8% | Added |
| Penserra Capital Management LLC | 3,594,112 | $83.1M | 0.97% | −666,147−15.6% | Reduced |
| Vanguard Portfolio Management LLC | 3,387,848 | $78.3M | 0.00% | +3,387,848 | New |
| Vanguard Capital Management LLC | 3,121,015 | $72.2M | 0.00% | +3,121,015 | New |
| State Street Corp | 3,090,185 | $71.4M | 0.00% | −25,970−0.8% | Reduced |
| Boston Trust Walden Corp | 2,173,261 | $50.2M | 0.41% | −267,388−11.0% | Reduced |
| Wellington Management Group LLP | 2,074,511 | $48.0M | 0.01% | +54,444+2.7% | Added |
| Barclays PLC | 1,874,502 | $43.3M | 0.02% | +32,596+1.8% | Added |
| Renaissance Technologies LLC | 1,784,987 | $41.3M | 0.06% | −349,747−16.4% | Reduced |
| First Trust Advisors LP | 1,719,817 | $39.8M | 0.03% | −743,520−30.2% | Reduced |
| Geode Capital Management, LLC | 1,717,406 | $39.7M | 0.00% | −60,225−3.4% | Reduced |
| Dimensional Fund Advisors LP | 1,635,947 | $37.8M | 0.01% | −12,841−0.8% | Reduced |
| Mirae Asset Global ETFs Holdings Ltd. | 1,556,176 | $36.0M | 0.05% | +107,247+7.4% | Added |
| Arrowstreet Capital, Limited Partnership | 1,497,144 | $34.6M | 0.02% | +401,857+36.7% | Added |
| Punch & Associates Investment Management, Inc. | 1,459,910 | $33.8M | 1.95% | +24,284+1.7% | Added |
| Two Sigma Investments, LP | 1,319,989 | $30.5M | 0.03% | +586,255+79.9% | Added |
| Goldman Sachs Group Inc | 1,186,743 | $27.4M | 0.00% | +152,252+14.7% | Added |
| Price T Rowe Associates Inc | 1,072,838 | $24.8M | 0.00% | −463,790−30.2% | Reduced |
| Prudential Financial Inc | 885,207 | $20.5M | 0.03% | +811,799+1,105.9% | Added |
| Boston Partners | 815,790 | $19.0M | 0.02% | −24,350−2.9% | Reduced |
| Royce & Associates LP | 817,430 | $18.9M | 0.19% | +90,020+12.4% | Added |
| Morgan Stanley | 813,087 | $18.8M | 0.00% | +8,737+1.1% | Added |
| Charles Schwab Investment Management Inc | 743,968 | $17.2M | 0.00% | +15,400+2.1% | Added |
| Northern Trust Corp | 704,404 | $16.3M | 0.00% | +16,678+2.4% | Added |
| Bank of New York Mellon Corp | 660,639 | $15.3M | 0.00% | −5,014−0.8% | Reduced |
| Jane Street Group, LLC | 595,948 | $13.8M | 0.01% | +595,948 | New |
| Deprince Race & Zollo Inc | 564,800 | $13.1M | 0.25% | +564,800 | New |
| Royal Bank of Canada | 536,461 | $12.4M | 0.00% | +531,096+9,899.3% | Added |
| Citadel Advisors LLC | 514,020 | $11.9M | 0.01% | +362,004+238.1% | Added |
| Oberweis Asset Management Inc | 504,300 | $11.7M | 0.34% | +504,300 | New |
| Vanguard Fiduciary Trust Co | 494,433 | $11.4M | 0.00% | +494,433 | New |
| Impax Asset Management Group plc | 470,000 | $10.9M | 0.08% | +110,000+30.6% | Added |
| Aptus Capital Advisors, LLC | 455,002 | $10.5M | 0.09% | +4,617+1.0% | Added |
| Principal Financial Group Inc | 436,279 | $10.1M | 0.01% | −15,967−3.5% | Reduced |
| Defiance ETFs, LLC | 423,138 | $9.78M | 0.14% | −137,192−24.5% | Reduced |
| Millennium Management LLC | 414,920 | $9.59M | 0.01% | +202,848+95.7% | Added |
| Paradigm Capital Management Inc | 401,400 | $9.28M | 0.36% | 00.0% | Unchanged |
| Bridge City Capital, LLC | 400,683 | $9.26M | 2.57% | +21,341+5.6% | Added |
| UBS Group AG | 390,055 | $9.02M | 0.00% | −40,144−9.3% | Reduced |
| Russell Investments Group, Ltd. | 389,780 | $9.01M | 0.01% | +356,305+1,064.4% | Added |
| BNP Paribas Arbitrage, SA | 389,712 | $9.01M | 0.01% | +178,964+84.9% | Added |
| Invesco Ltd. | 362,672 | $8.38M | 0.00% | −473,506−56.6% | Reduced |
| Rice Hall James & Associates, LLC | 336,824 | $7.79M | 0.43% | +20,312+6.4% | Added |
| Wells Fargo & Company | 332,534 | $7.69M | 0.00% | +76,409+29.8% | Added |
| Crawford Investment Counsel Inc | 320,622 | $7.41M | 0.13% | +17,630+5.8% | Added |
| HRT Financial LP | 320,380 | $7.41M | 0.02% | +320,380 | New |
| JPMorgan Chase & Co | 326,646 | $7.30M | 0.00% | +109,648+50.5% | Added |
| Man Group plc | 304,441 | $7.04M | 0.01% | +114,108+60.0% | Added |
| Jump Financial, LLC | 287,458 | $6.65M | 0.10% | +287,458 | New |
| D. E. Shaw & Co., Inc. | 263,387 | $6.09M | 0.00% | +263,387 | New |
| Public Sector Pension Investment Board | 255,787 | $5.91M | 0.02% | +7,574+3.1% | Added |
| Tudor Investment Corp Et Al | 238,857 | $5.52M | 0.03% | −131,587−35.5% | Reduced |
| New York State Common Retirement Fund | 235,727 | $5.45M | 0.01% | +137,882+140.9% | Added |
| American Century Companies Inc | 222,369 | $5.14M | 0.00% | −7,108−3.1% | Reduced |
| Peregrine Capital Management LLC | 219,619 | $5.08M | 0.19% | −21,194−8.8% | Reduced |
| Bank of America Corp | 206,670 | $4.78M | 0.00% | +41,197+24.9% | Added |
| Summit Partners L P | 200,065 | $4.63M | 0.69% | +12,698+6.8% | Added |
| Rhumbline Advisers | 192,110 | $4.44M | 0.00% | +5,211+2.8% | Added |
| Legal & General Group Plc | 190,616 | $4.41M | 0.00% | −17,447−8.4% | Reduced |
| Harbor Capital Advisors, Inc. | 187,130 | $4.33M | 0.35% | −30,382−14.0% | Reduced |
| Davy Global Fund Management Ltd | 175,194 | $4.05M | 0.31% | −299−0.2% | Reduced |
| HSBC Holdings PLC | 175,780 | $4.05M | 0.00% | +21,964+14.3% | Added |
| Bessemer Group Inc | 171,223 | $3.96M | 0.01% | 00.0% | Unchanged |
| Voya Investment Management LLC | 166,478 | $3.85M | 0.00% | −50,588−23.3% | Reduced |
| UBS Asset Management Americas Inc | 161,554 | $3.74M | 0.00% | +24,406+17.8% | Added |
| Nuveen, LLC | 158,571 | $3.67M | 0.00% | −2,561−1.6% | Reduced |
| Qube Research & Technologies Ltd | 157,546 | $3.64M | 0.01% | −465,120−74.7% | Reduced |
| Swiss National Bank | 142,400 | $3.29M | 0.00% | 00.0% | Unchanged |
| Banque Cantonale Vaudoise | 139,472 | $3.23M | 0.12% | −5,140−3.6% | Reduced |
| Victory Capital Management Inc | 137,352 | $3.18M | 0.00% | −28,697−17.3% | Reduced |
| Connor, Clark & Lunn Investment Management Ltd. | 136,346 | $3.15M | 0.01% | −93,314−40.6% | Reduced |
| State Board of Administration of Florida Retirement System | 129,607 | $3.00M | 0.01% | −1,134−0.9% | Reduced |
| Hillsdale Investment Management Inc. | 127,661 | $2.95M | 0.08% | −5,800−4.3% | Reduced |
| Creative Planning | 127,268 | $2.94M | 0.00% | +58,319+84.6% | Added |
| Quantbot Technologies LP | 124,535 | $2.88M | 0.12% | +92,625+290.3% | Added |
| Ameriprise Financial Inc | 123,539 | $2.86M | 0.00% | −8,645−6.5% | Reduced |
| SEI Investments Co | 121,241 | $2.80M | 0.00% | −2,115−1.7% | Reduced |
| Truist Financial Corp | 115,015 | $2.66M | 0.00% | +270.0% | Added |
| Hennion & Walsh Asset Management, Inc. | 114,096 | $2.64M | 0.09% | +11,177+10.9% | Added |
| Susquehanna International Group, LLP | 108,222 | $2.50M | 0.00% | +58,209+116.4% | Added |
| Uniplan Investment Counsel, Inc. | 106,268 | $2.46M | 0.25% | +106,268 | New |
| Federated Hermes, Inc. | 106,267 | $2.46M | 0.00% | −115−0.1% | Reduced |
| Franklin Resources Inc | 103,999 | $2.40M | 0.00% | +1,642+1.6% | Added |
| Healthcare of Ontario Pension Plan Trust Fund | 98,907 | $2.29M | 0.00% | +34,551+53.7% | Added |
| Kames Capital plc | 98,800 | $2.28M | 0.03% | +98,800 | New |
| PDT Partners, LLC | 98,626 | $2.28M | 0.13% | +63,154+178.0% | Added |
| Martingale Asset Management L P | 96,223 | $2.22M | 0.06% | −4,287−4.3% | Reduced |
| California State Teachers Retirement System | 91,451 | $2.11M | 0.00% | +24,489+36.6% | Added |
| Universal- Beteiligungs- und Servicegesellschaft mbH | 90,219 | $2.09M | 0.00% | −60,247−40.0% | Reduced |
| Janus Henderson Group PLC | 87,505 | $2.02M | 0.00% | +55,227+171.1% | Added |
| Deutsche Bank AG | 80,525 | $1.86M | 0.00% | +7,237+9.9% | Added |
| Canada Pension Plan Investment Board | 78,300 | $1.81M | 0.00% | −3,700−4.5% | Reduced |
| Fisher Asset Management, LLC | 74,886 | $1.73M | 0.00% | +329+0.4% | Added |
| Cresset Asset Management, LLC | 72,854 | $1.68M | 0.01% | +445+0.6% | Added |
| ExodusPoint Capital Management, LP | 72,385 | $1.67M | 0.02% | +72,385 | New |
| KLP Kapitalforvaltning AS | 69,500 | $1.61M | 0.01% | 00.0% | Unchanged |
| Skopos Labs, Inc. | 68,949 | $1.59M | 0.05% | +14,095+25.7% | Added |
| Nilsine Partners, LLC | 55,864 | $1.55M | 0.12% | +3,471+6.6% | Added |
| Allianz Asset Management GmbH | 65,955 | $1.52M | 0.00% | −1,160−1.7% | Reduced |
| Globeflex Capital L P | 65,303 | $1.51M | 0.23% | 00.0% | Unchanged |