Security record · archived quarter
ATEN
A10 Networks, Inc. · Technology · Software - Infrastructure
95Tracked holders
-2Δ holders
53.78MShares held
$951.26MReported value
+1New positions
−2Exits
Momentum inputs (comparable managers):
holder breadth -2.1% ·
share flow -1.9% ·
net new positions -1.1%
· formula
Broad distribution: falling shares and fewer holders
All ownership figures: tracked 13F managers only, common-stock positions, reporting period Q4 2025
Ownership over time
| Quarter | Holders | Δ | Shares | Reported value | New | Exits |
|---|---|---|---|---|---|---|
| Q2 2026 | 111 | +13 | 56.95M | $2.09B | +19 | −5 |
| Q1 2026 | 100 | +6 | 51.94M | $1.20B | +8 | −3 |
| Q4 2025 | 95 | -2 | 53.78M | $951.26M | +1 | −2 |
| Q3 2025 | 21 | +1 | 36.30M | $658.81M | +1 | −1 |
| Q2 2025 | 18 | +1 | 34.16M | $661.04M | +1 | n/a |
| Q1 2025 | 14 | -1 | 13.16M | $215.02M | n/a | −1 |
| Q4 2024 | 15 | +3 | 11.15M | $205.16M | +3 | n/a |
| Q3 2024 | 11 | 0 | 6.53M | $94.30M | +1 | −1 |
| Q2 2024 | 11 | n/a | 7.34M | $101.70M | n/a | n/a |
Who holds it · Q4 2025
| # | Manager | Shares | Δ shares | Value | Their weight | Held | ||
|---|---|---|---|---|---|---|---|---|
| 1 | BlackRock ✦ (passive) | 12.99M | -0.6% | $229.71M | 0.0% | ▼ Trim | 3 | SEC ↗ ×16 |
| 2 | The Vanguard Group ✦ (passive) | 7.24M | +0.1% | $128.11M | 0.0% | ▲ Add | 3 | SEC ↗ ×5 |
| 3 | State Street Global Advisors ✦ (passive) | 3.12M | -5.2% | $55.12M | 0.0% | ▼ Trim | 5 | SEC ↗ |
| 4 | First Trust Advisors Lp | 2.46M | n/a | $43.58M | 0.0% | n/c | 1 | SEC ↗ |
| 5 | Renaissance Technologies ✦ | 2.13M | -10.6% | $37.76M | 0.1% | ▼ Trim | 7 | SEC ↗ |
| 6 | Wellington Management ✦ | 2.02M | -1.7% | $35.73M | 0.0% | ▼ Trim | 5 | SEC ↗ ×6 |
| 7 | Barclays Plc | 1.84M | n/a | $32.58M | 0.0% | n/c | 1 | SEC ↗ ×2 |
| 8 | Geode Capital Management ✦ (passive) | 1.78M | +0.6% | $31.45M | 0.0% | ▲ Add | 7 | SEC ↗ ×2 |
| 9 | Dimensional Fund Advisors Lp | 1.65M | n/a | $29.17M | 0.0% | n/c | 1 | SEC ↗ ×5 |
| 10 | T. Rowe Price ✦ | 1.54M | -2.3% | $27.18M | 0.0% | ▼ Trim | 7 | SEC ↗ ×2 |
| 11 | MIRAE ASSET GLOBAL ETFS HOLDINGS… | 1.45M | n/a | $25.63M | 0.0% | n/c | 1 | SEC ↗ ×2 |
| 12 | Arrowstreet Capital ✦ | 1.10M | -10.7% | $19.38M | 0.0% | ▼ Trim | 6 | SEC ↗ |
| 13 | Goldman Sachs Group ✦ | 1.03M | +66.8% | $18.30M | 0.0% | ▲ Add | 2 | SEC ↗ ×2 |
| 14 | Boston Partners | 840.14K | n/a | $14.80M | 0.0% | n/c | 1 | SEC ↗ ×2 |
| 15 | Invesco Ltd. | 836.18K | n/a | $14.79M | 0.0% | n/c | 1 | SEC ↗ ×5 |
| 16 | Morgan Stanley ✦ | 804.35K | +6.5% | $14.23M | 0.0% | ▲ Add | 2 | SEC ↗ ×8 |
| 17 | Two Sigma Investments ✦ | 733.73K | +7.4% | $12.98M | 0.0% | ▲ Add | 7 | SEC ↗ |
| 18 | Charles Schwab Investment… | 728.57K | n/a | $12.89M | 0.0% | n/c | 1 | SEC ↗ |
| 19 | Northern Trust Corp | 687.73K | n/a | $12.17M | 0.0% | n/c | 1 | SEC ↗ ×7 |
| 20 | Bank of New York Mellon Corp | 665.65K | n/a | $11.78M | 0.0% | n/c | 1 | SEC ↗ ×5 |
| 21 | Qube Research & Technologies Ltd | 622.67K | n/a | $11.01M | 0.0% | n/c | 1 | SEC ↗ |
| 22 | Principal Financial Group Inc | 452.25K | n/a | $8.00M | 0.0% | n/c | 1 | SEC ↗ ×2 |
| 23 | UBS Group AG | 430.20K | n/a | $7.61M | 0.0% | n/c | 1 | SEC ↗ ×3 |
| 24 | Tudor Investment Corp Et Al | 370.44K | n/a | $6.55M | 0.0% | n/c | 1 | SEC ↗ |
| 25 | Hsbc Holdings Plc | 307.63K | n/a | $5.45M | 0.0% | n/c | 1 | SEC ↗ ×4 |
| 26 | Alyeska Investment Group, L.P. | 272.09K | n/a | $4.81M | 0.0% | n/c | 1 | SEC ↗ |
| 27 | Wells Fargo & Company/Mn | 256.12K | n/a | $4.53M | 0.0% | n/c | 1 | SEC ↗ ×2 |
| 28 | Connor, Clark & Lunn Investment… | 229.66K | n/a | $4.06M | 0.0% | n/c | 1 | SEC ↗ |
| 29 | American Century Companies Inc | 229.48K | n/a | $4.06M | 0.0% | n/c | 1 | SEC ↗ |
| 30 | Voya Investment Management Llc | 217.07K | n/a | $3.84M | 0.0% | n/c | 1 | SEC ↗ ×3 |
| 31 | JPMorgan Chase ✦ | 217.00K | -71.5% | $3.84M | 0.0% | ▼ Trim | 2 | SEC ↗ ×7 |
| 32 | Millennium Management ✦ | 212.07K | +46.4% | $3.75M | 0.0% | ▲ Add | 7 | SEC ↗ |
| 33 | Bnp Paribas Financial Markets | 210.75K | n/a | $3.73M | 0.0% | n/c | 1 | SEC ↗ |
| 34 | Legal & General Group Plc | 208.06K | n/a | $3.68M | 0.0% | n/c | 1 | SEC ↗ ×3 |
| 35 | Man Group plc | 190.33K | n/a | $3.37M | 0.0% | n/c | 1 | SEC ↗ |
| 36 | Rhumbline Advisers | 186.90K | n/a | $3.31M | 0.0% | n/c | 1 | SEC ↗ |
| 37 | Victory Capital Management Inc | 166.05K | n/a | $2.94M | 0.0% | n/c | 1 | SEC ↗ |
| 38 | Bank Of America Corp /De/ | 165.47K | n/a | $2.93M | 0.0% | n/c | 1 | SEC ↗ ×4 |
| 39 | Nuveen, LLC | 161.13K | n/a | $2.85M | 0.0% | n/c | 1 | SEC ↗ ×2 |
| 40 | Citadel Advisors ✦ | 152.02K | -56.7% | $2.69M | 0.0% | ▼ Trim | 7 | SEC ↗ ×2 |
| 41 | Universal- Beteiligungs- und… | 150.47K | n/a | $2.67M | 0.0% | n/c | 1 | SEC ↗ |
| 42 | Swiss National Bank | 142.40K | n/a | $2.52M | 0.0% | n/c | 1 | SEC ↗ |
| 43 | DZ BANK AG Deutsche Zentral… | 140.67K | n/a | $2.49M | 0.0% | n/c | 1 | SEC ↗ |
| 44 | UBS AM, a distinct business unit of… | 137.15K | n/a | $2.43M | 0.0% | n/c | 1 | SEC ↗ ×9 |
| 45 | Ameriprise Financial Inc | 132.18K | n/a | $2.34M | 0.0% | n/c | 1 | SEC ↗ |
| 46 | State Board Of Administration Of… | 130.74K | n/a | $2.31M | 0.0% | n/c | 1 | SEC ↗ |
| 47 | Sei Investments Co | 123.36K | n/a | $2.18M | 0.0% | n/c | 1 | SEC ↗ ×2 |
| 48 | Truist Financial Corp | 114.99K | n/a | $2.03M | 0.0% | n/c | 1 | SEC ↗ |
| 49 | Federated Hermes, Inc. | 106.38K | n/a | $1.88M | 0.0% | n/c | 1 | SEC ↗ ×2 |
| 50 | Franklin Resources Inc | 102.36K | n/a | $1.81M | 0.0% | n/c | 1 | SEC ↗ ×5 |
| 51 | Mackenzie Financial Corp | 100.27K | n/a | $1.79M | 0.0% | n/c | 1 | SEC ↗ |
| 52 | New York State Common Retirement… | 97.84K | n/a | $1.73M | 0.0% | n/c | 1 | SEC ↗ |
| 53 | Canada Pension Plan Investment Board | 82.00K | n/a | $1.45M | 0.0% | n/c | 1 | SEC ↗ |
| 54 | Fisher Asset Management ✦ | 74.56K | +7.0% | $1.32M | 0.0% | ▲ Add | 7 | SEC ↗ |
| 55 | Prudential Financial Inc | 73.41K | n/a | $1.30M | 0.0% | n/c | 1 | SEC ↗ ×2 |
| 56 | Deutsche Bank Ag\ | 73.29K | n/a | $1.30M | 0.0% | n/c | 1 | SEC ↗ ×4 |
| 57 | Raymond James Financial Inc | 71.40K | n/a | $1.26M | 0.0% | n/c | 1 | SEC ↗ ×2 |
| 58 | Alliancebernstein L.P. | 69.57K | n/a | $1.23M | 0.0% | n/c | 1 | SEC ↗ |
| 59 | Creative Planning | 68.95K | n/a | $1.22M | 0.0% | n/c | 1 | SEC ↗ |
| 60 | Allianz Asset Management GmbH | 67.11K | n/a | $1.19M | 0.0% | n/c | 1 | SEC ↗ |
| 61 | California State Teachers… | 66.96K | n/a | $1.18M | 0.0% | n/c | 1 | SEC ↗ |
| 62 | Citigroup Inc | 65.06K | n/a | $1.15M | 0.0% | n/c | 1 | SEC ↗ ×2 |
| 63 | Healthcare Of Ontario Pension Plan… | 64.36K | n/a | $1.14M | 0.0% | n/c | 1 | SEC ↗ |
| 64 | Susquehanna International Group, Llp | 50.01K | n/a | $884,730 | 0.0% | n/c | 1 | SEC ↗ |
| 65 | Allspring Global Investments… | 49.55K | n/a | $859,641 | 0.0% | n/c | 1 | SEC ↗ ×2 |
| 66 | GAMCO Investors ✦ | 42.75K | +1.8% | $756,248 | 0.0% | ▲ Add | 7 | SEC ↗ |
| 67 | AQR Capital Management ✦ | 38.61K | -9.1% | $682,949 | 0.0% | ▼ Trim | 7 | SEC ↗ ×5 |
| 68 | Amundi | 37.88K | n/a | $670,168 | 0.0% | n/c | 1 | SEC ↗ |
| 69 | Gotham Asset Management ✦ | 34.57K | -13.9% | $611,614 | 0.0% | ▼ Trim | 2 | SEC ↗ |
| 70 | Russell Investments Group, Ltd. | 33.48K | n/a | $592,202 | 0.0% | n/c | 1 | SEC ↗ ×3 |
| 71 | Janus Henderson Group Plc | 32.28K | n/a | $570,675 | 0.0% | n/c | 1 | SEC ↗ |
| 72 | Zurcher Kantonalbank (Zurich… | 31.73K | n/a | $561,374 | 0.0% | n/c | 1 | SEC ↗ |
| 73 | Manufacturers Life Insurance… | 30.76K | n/a | $544,180 | 0.0% | n/c | 1 | SEC ↗ |
| 74 | Tidal Investments LLC | 29.75K | n/a | $526,348 | 0.0% | n/c | 1 | SEC ↗ ×2 |
| 75 | Lazard Asset Management Llc | 28.16K | n/a | $498,186 | 0.0% | n/c | 1 | SEC ↗ |
| 76 | Norges Bank ✦ (passive) | 26.27K | New | $464,752 | 0.0% | New | 1 | SEC ↗ |
| 77 | Commonwealth Equity Services, Llc | 25.57K | n/a | $452,310 | 0.0% | n/c | 1 | SEC ↗ |
| 78 | Mirae Asset Global Investments Co.… | 23.54K | n/a | $416,476 | 0.0% | n/c | 1 | SEC ↗ |
| 79 | Quantinno Capital Management LP | 21.89K | n/a | $387,300 | 0.0% | n/c | 1 | SEC ↗ |
| 80 | Fidelity (FMR) ✦ | 16.72K | +67.1% | $295,703 | 0.0% | ▲ Add | 3 | SEC ↗ ×2 |
| 81 | ProShare Advisors LLC | 13.98K | n/a | $247,359 | 0.0% | n/c | 1 | SEC ↗ |
| 82 | Pacer Advisors, Inc. | 13.59K | n/a | $240,442 | 0.0% | n/c | 1 | SEC ↗ |
| 83 | Us Bancorp \De\ | 11.95K | n/a | $211,466 | 0.0% | n/c | 1 | SEC ↗ ×2 |
| 84 | BNP Paribas Asset Management… | 11.58K | n/a | $204,000 | 0.0% | n/c | 1 | SEC ↗ ×2 |
| 85 | Royal Bank Of Canada | 5.37K | n/a | $95,000 | 0.0% | n/c | 1 | SEC ↗ ×6 |
| 86 | Pnc Financial Services Group, Inc. | 3.45K | n/a | $61,030 | 0.0% | n/c | 1 | SEC ↗ ×4 |
| 87 | Cwm, Llc | 3.03K | n/a | $54,000 | 0.0% | n/c | 1 | SEC ↗ |
| 88 | Simplex Trading, Llc | 1.58K | n/a | $27,879 | 0.0% | n/c | 1 | SEC ↗ |
| 89 | Rockefeller Capital Management L.P. | 976 | n/a | $17,266 | 0.0% | n/c | 1 | SEC ↗ ×2 |
| 90 | Northwestern Mutual Wealth… | 728 | n/a | $12,878 | 0.0% | n/c | 1 | SEC ↗ |
| 91 | Osaic Holdings, Inc. | 707 | n/a | $12,507 | 0.0% | n/c | 1 | SEC ↗ |
| 92 | Jones Financial Companies Lllp | 668 | n/a | $11,817 | 0.0% | n/c | 1 | SEC ↗ |
| 93 | Fifth Third Bancorp | 550 | n/a | $9,730 | 0.0% | n/c | 1 | SEC ↗ |
| 94 | Danske Bank A/S | 400 | n/a | $7,076 | 0.0% | n/c | 1 | SEC ↗ |
| 95 | Assetmark, Inc | 164 | n/a | $2,901 | 0.0% | n/c | 1 | SEC ↗ |
“Their weight” = the position's share of that manager's reported 13F equity value: the conviction measure. ✦ = curated manager.
New buyers
| Norges Bank | $464,752 | 0.0% |
Exited
| Marshall Wace | $3.18M | was 0.0% |
| D. E. Shaw & Co. | $258,492 | was 0.0% |
Full-market context: across ALL 13F filers (SEC structured data, Q1 2026): 263 holders, 71.95M shares, $1.53B reported. This is a different, older period than the tracked-universe figures above and the two are never mixed.
Frequently co-owned
What else this security's tracked holders most often hold: shared-ownership counts, not fundamental relationships.
Open-market purchases (P)
No open-market insider purchases in our coverage window.
Open-market sales (S)
Aug 25
Wolf Dana Elizabeth
Director · 2.65K sh · $68,024
Aug 11
Weber Robert Scott
Officer · 14.09K sh · $392,436
Awards, exercises and tax withholding are never counted as buys or sales here. Methodology
Jul 30
SC 13G: FIRST TRUST PORTFOLIOS LP
Provenance: Ownership from parsed 13F common-stock positions (tracked universe, comparable sets for changes); insider rows from Forms 3/4/5; stakes from Schedules 13D/13G; every filing links to its original on SEC EDGAR.
Reporting period: Q4 2025 ·
Methodology ·
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