A10 NetworksATEN
13F holders, Q1 2025 (March 31)252holders +33
54new positions
23sold out
7famous investors
$16.34avg. 13F price*
At the end of Q1 2025, 252 institutions reported holding A10 Networks Inc. (ATEN) in their 13F filings, up 33 from Q4 2024. 54 opened new positions and 23 sold out. The largest holders were BlackRock, Inc. ($218.2M), Vanguard Group Inc. ($120.8M) and State Street Corp. ($54.6M). 7 famous investors held it, including Paul Tudor Jones (0.1% of Tudor Investment Corporation's portfolio), Jim Simons / Peter Brown (0.1% of Renaissance Technologies's portfolio) and Mario Gabelli (0.0% of GAMCO Investors's portfolio).
- Company
- A10 Networks Inc.
- CUSIP
- 002121101
- Latest filing quarter
- Q2 2026
History
Number of 13F holders
Total Exit/New Position Q4 2024 → Q1 2025
| Institutions | Total Value | |
|---|---|---|
| New Positions | 54 | $56.1M |
| Exits | 23 | $31.9M |
All 13F filers, Q4 2024 → Q1 2025: 10,948,870 shares bought and 5,606,248 shares sold, net +5,342,622 shares. Counts holders who added, trimmed, opened or closed a position; split-adjusted.
Ownership 252 holders
| BlackRock, Inc. | 0.00% | Reduce -1.8% | 13,352,853 | $218.2M |
| Vanguard Group Inc. | 0.00% | Add +0.5% | 7,394,304 | $120.8M |
| State Street Corp. | 0.00% | Add +0.4% | 3,342,508 | $54.6M |
| MIRAE ASSET GLOBAL ETFS HOLDINGS Ltd. | 0.09% | Add +8.2% | 2,682,442 | $43.8M |
| Penserra Capital Management LLC | 0.74% | Add +29.9% | 2,539,197 | $41.5M |
| Renaissance Technologies | 0.06% | Add +21.9% | 2,356,307 | $38.5M |
| Dimensional Fund Advisors LP | 0.01% | Reduce -4.6% | 1,737,154 | $28.4M |
| First Trust Advisors LP | 0.03% | Add +15.5% | 1,734,645 | $28.3M |
| Geode Capital Management, LLC | 0.00% | Add +3.3% | 1,732,103 | $28.3M |
| Boston Trust Walden Corp | 0.20% | New | 1,645,924 | $26.9M |
| T. Rowe Price Associates Inc. | 0.00% | Add +3.3% | 1,516,986 | $24.8M |
| Morgan Stanley | 0.00% | Add +29.0% | 1,484,741 | $24.3M |
| Punch & Associates Investment Management, Inc. | 1.48% | Add +2.0% | 1,362,331 | $22.3M |
| Wellington Management Group LLP | 0.00% | Add +390.9% | 1,130,119 | $18.5M |
| Invesco Ltd. | 0.00% | Add +184.7% | 1,045,406 | $17.1M |
| Arrowstreet Capital, Limited Partnership | 0.01% | Add +280.1% | 938,763 | $15.3M |
| Bank of New York Mellon Corp | 0.00% | Reduce -37.5% | 842,531 | $13.8M |
| Goldman Sachs Group Inc. | 0.00% | Add +6.5% | 835,252 | $13.6M |
| Harbor Capital Advisors, Inc. | 0.60% | Reduce -0.9% | 808,746 | $13.2M |
| Northern Trust Corp. | 0.00% | Add +0.1% | 765,722 | $12.5M |
| Royce & Associates LP | 0.13% | Reduce -22.9% | 708,368 | $11.6M |
| Barclays PLC | 0.01% | Reduce -1.4% | 675,954 | $11.0M |
| Charles Schwab Investment Management Inc. | 0.00% | Add +1.1% | 675,676 | $11.0M |
| Marshall Wace, LLP | 0.01% | Reduce -14.4% | 585,411 | $9.6M |
| Two Sigma Investments, LP | 0.02% | Add +114.1% | 491,576 | $8.0M |
| Jacobs Levy Equity Management, Inc. | 0.03% | Add +27.3% | 482,366 | $7.9M |
| Tudor Investment Corporation | 0.07% | Add +50.0% | 448,840 | $7.3M |
| JPMorgan Chase & Co. | 0.00% | Reduce -8.8% | 435,308 | $7.1M |
| Paradigm Capital Management Inc. | 0.39% | No change | 427,800 | $7.0M |
| Bridge City Capital, LLC | 2.07% | Reduce -18.6% | 422,803 | $6.9M |
| Algert Global LLC | 0.17% | Reduce -4.1% | 420,328 | $6.9M |
| Norges Bank | 0.00% | Add +6.5% | 416,672 | $6.8M |
| Principal Financial Group Inc. | 0.00% | Add +3.0% | 416,548 | $6.8M |
| Qube Research & Technologies Ltd | 0.01% | Add +268.4% | 392,173 | $6.4M |
| Citadel Advisors | 0.01% | Add +0.2% | 388,896 | $6.4M |
| Victory Capital Management Inc. | 0.01% | Add +124.4% | 385,332 | $6.3M |
| Peregrine Capital Management LLC | 0.21% | Reduce -5.2% | 384,852 | $6.3M |
| UBS Group AG | 0.00% | Add +204.7% | 369,439 | $6.0M |
| Teacher Retirement System of Texas | 0.02% | Add +62.6% | 362,318 | $5.9M |
| Impax Asset Management Group plc | 0.04% | Reduce -38.7% | 360,000 | $5.9M |
| Rice Hall James & Associates, LLC | 0.34% | Reduce -6.6% | 354,813 | $5.8M |
| Two Sigma Advisers, LP | 0.01% | Add +69.6% | 348,200 | $5.7M |
| Prudential Financial Inc. | 0.01% | Add +26.4% | 344,300 | $5.6M |
| DZ BANK AG Deutsche Zentral Genossenschafts Bank, Frankfurt am Main | 0.01% | Add +127.9% | 320,593 | $5.2M |
| Aptus Capital Advisors, LLC | 0.05% | New | 294,920 | $4.8M |
| Voya Investment Management LLC | 0.01% | Reduce -11.2% | 274,194 | $4.5M |
| Trexquant Investment LP | 0.05% | Add +26.8% | 247,891 | $4.1M |
| Public Sector Pension Investment Board | 0.02% | Add +27.1% | 233,720 | $3.8M |
| Legal & General Group Plc | 0.00% | Reduce -78.2% | 221,273 | $3.6M |
| Sei Investments Co. | 0.00% | Add +13.4% | 221,223 | $3.6M |
| American Century Companies Inc. | 0.00% | Add +21.7% | 216,241 | $3.5M |
| Royal Bank of Canada | 0.00% | Add +131.3% | 213,118 | $3.5M |
| Connor, Clark & Lunn Investment Management Ltd. | 0.02% | Reduce -38.7% | 211,936 | $3.5M |
| Hillsdale Investment Management Inc. | 0.17% | Add +7.1% | 206,200 | $3.4M |
| Informed Momentum Co LLC | 0.57% | New | 202,826 | $3.3M |
| BNP Paribas Financial Markets | 0.00% | Add +107.8% | 202,690 | $3.3M |
| UBS AM, a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC | 0.00% | Add +5.9% | 202,658 | $3.3M |
| Nuveen, LLC | 0.00% | — | 199,651 | $3.3M |
| Allianz Asset Management GmbH | 0.00% | Add +98.7% | 197,881 | $3.2M |
| Rhumbline Advisers | 0.00% | Reduce -0.2% | 196,387 | $3.2M |
| Summit Partners L P | 0.19% | Add +7.4% | 187,367 | $3.1M |
| Man Group plc | 0.01% | Add +184.8% | 182,868 | $3.0M |
| Wells Fargo & Company | 0.00% | Add +230.1% | 181,710 | $3.0M |
| Jane Street Group, LLC | 0.01% | Add +120.0% | 173,493 | $2.8M |
| Ameriprise Financial Inc. | 0.00% | Reduce -6.8% | 168,538 | $2.8M |
| Lazard Asset Management LLC | 0.00% | Add +41.2% | 166,265 | $2.7M |
| Deutsche Bank AG | 0.00% | Reduce -4.0% | 160,446 | $2.6M |
| Citigroup Inc. | 0.00% | Reduce -8.4% | 152,875 | $2.5M |
| Swiss National Bank | 0.00% | Reduce -1.6% | 143,000 | $2.3M |
| Universal- Beteiligungs- und Servicegesellschaft mbH | 0.00% | New | 139,585 | $2.3M |
| IQ EQ FUND MANAGEMENT (IRELAND) Ltd | 0.27% | Reduce -3.0% | 137,796 | $2.3M |
| State Board of Administration of Florida Retirement System | 0.00% | Add +17.3% | 134,852 | $2.2M |
| Mackenzie Financial Corp. | 0.00% | Reduce -13.5% | 134,265 | $2.2M |
| Bank of America Corp. | 0.00% | Reduce -29.4% | 128,413 | $2.1M |
| Vident Advisory, LLC | 0.03% | New | 126,086 | $2.1M |
| Banque Cantonale Vaudoise | 0.09% | — | 123,203 | $2.0M |
| Susquehanna International Group, LLP | 0.00% | Add +78.5% | 113,452 | $1.9M |
| Canada Pension Plan Investment Board | 0.00% | Add +165.5% | 109,400 | $1.8M |
| Franklin Resources Inc. | 0.00% | Add +22.2% | 108,908 | $1.8M |
| Cubist Systematic Strategies, LLC | 0.02% | Add +696.5% | 103,654 | $1.7M |
| Martingale Asset Management L P | 0.04% | No change | 100,873 | $1.6M |
| Truist Financial Corp. | 0.00% | New | 96,618 | $1.6M |
| New York State Common Retirement Fund | 0.00% | Reduce -16.1% | 91,545 | $1.5M |
| CANADA LIFE ASSURANCE Co | 0.00% | Reduce -11.6% | 88,307 | $1.4M |
| Picton Mahoney Asset Management | 0.05% | Add +166.2% | 85,318 | $1.4M |
| Verity Asset Management, Inc. | 0.54% | Add +1.7% | 81,669 | $1.3M |
| California State Teachers Retirement System | 0.00% | Add +17.3% | 80,683 | $1.3M |
| Wedge Capital Management L L P | 0.03% | Add +1.6% | 80,299 | $1.3M |
| AQR Capital Management | 0.00% | Reduce -41.6% | 78,696 | $1.3M |
| Legato Capital Management LLC | 0.17% | Reduce -27.8% | 75,635 | $1.2M |
| Fisher Asset Management | 0.00% | Reduce -18.4% | 74,940 | $1.2M |
| Intech Investment Management LLC | 0.01% | Add +81.7% | 73,995 | $1.2M |
| Alliancebernstein L.P. | 0.00% | Reduce -74.2% | 71,999 | $1.2M |
| HSBC Holdings PLC | 0.00% | Reduce -7.2% | 71,958 | $1.2M |
| FCG Investment Co | 0.72% | New | 70,357 | $1.1M |
| WINTON GROUP Ltd | 0.07% | Reduce -9.8% | 67,582 | $1.1M |
| Globeflex Capital L P | 0.10% | No change | 65,303 | $1.1M |
| Cresset Asset Management, LLC | 0.01% | Reduce -4.3% | 63,125 | $1.0M |
| Engineers Gate Manager LP | 0.02% | Add +111.6% | 61,945 | $1.0M |
| Millennium Management | 0.00% | Reduce -77.7% | 61,592 | $1.0M |
"% of holder's portfolio" is ATEN's weight in each manager's 13F, not the share of A10 Networks Inc. the manager owns.