Security record · archived quarter
ATEN
A10 Networks, Inc. · Technology · Software - Infrastructure
21Tracked holders
+1Δ holders
36.30MShares held
$658.81MReported value
+1New positions
−1Exits
Momentum inputs (comparable managers):
holder breadth +5.0% ·
share flow +0.1% ·
net new positions 0.0%
— formula
Broad accumulation — rising shares across more holders
All ownership figures: tracked 13F managers only, common-stock positions, reporting period Q3 2025
Ownership over time
| Quarter | Holders | Δ | Shares | Reported value | New | Exits |
|---|---|---|---|---|---|---|
| Q2 2026 | 111 | +13 | 56.93M | $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 | — |
| Q1 2025 | 14 | -1 | 13.16M | $215.02M | — | −1 |
| Q4 2024 | 15 | +3 | 11.15M | $205.16M | +3 | — |
| Q3 2024 | 11 | 0 | 6.53M | $94.30M | +1 | −1 |
| Q2 2024 | 11 | — | 7.34M | $101.70M | — | — |
Who holds it · Q3 2025
| # | Manager | Shares | Δ shares | Value | Their weight | Held | ||
|---|---|---|---|---|---|---|---|---|
| 1 | BlackRock ✦ (passive) | 13.06M | -1.3% | $237.00M | 0.0% | ▼ Trim | 2 | SEC ↗ |
| 2 | BlackRock ✦ (passive) | 13.06M | -1.3% | $237.00M | 0.0% | ▼ Trim | 2 | SEC ↗ |
| 3 | BlackRock ✦ (passive) | 13.06M | -1.3% | $237.00M | 0.0% | ▼ Trim | 2 | SEC ↗ |
| 4 | BlackRock ✦ (passive) | 13.06M | -1.3% | $237.00M | 0.0% | ▼ Trim | 2 | SEC ↗ |
| 5 | BlackRock ✦ (passive) | 13.06M | -1.3% | $237.00M | 0.0% | ▼ Trim | 2 | SEC ↗ |
| 6 | BlackRock ✦ (passive) | 13.06M | -1.3% | $237.00M | 0.0% | ▼ Trim | 2 | SEC ↗ |
| 7 | BlackRock ✦ (passive) | 13.06M | -1.3% | $237.00M | 0.0% | ▼ Trim | 2 | SEC ↗ |
| 8 | BlackRock ✦ (passive) | 13.06M | -1.3% | $237.00M | 0.0% | ▼ Trim | 2 | SEC ↗ |
| 9 | BlackRock ✦ (passive) | 13.06M | -1.3% | $237.00M | 0.0% | ▼ Trim | 2 | SEC ↗ |
| 10 | BlackRock ✦ (passive) | 13.06M | -1.3% | $237.00M | 0.0% | ▼ Trim | 2 | SEC ↗ |
| 11 | BlackRock ✦ (passive) | 13.06M | -1.3% | $237.00M | 0.0% | ▼ Trim | 2 | SEC ↗ |
| 12 | BlackRock ✦ (passive) | 13.06M | -1.3% | $237.00M | 0.0% | ▼ Trim | 2 | SEC ↗ |
| 13 | BlackRock ✦ (passive) | 13.06M | -1.3% | $237.00M | 0.0% | ▼ Trim | 2 | SEC ↗ |
| 14 | BlackRock ✦ (passive) | 13.06M | -1.3% | $237.00M | 0.0% | ▼ Trim | 2 | SEC ↗ |
| 15 | BlackRock ✦ (passive) | 13.06M | -1.3% | $237.00M | 0.0% | ▼ Trim | 2 | SEC ↗ |
| 16 | BlackRock ✦ (passive) | 13.06M | -1.3% | $237.00M | 0.0% | ▼ Trim | 2 | SEC ↗ |
| 17 | The Vanguard Group ✦ (passive) | 7.24M | -1.3% | $131.32M | 0.0% | ▼ Trim | 2 | SEC ↗ |
| 18 | The Vanguard Group ✦ (passive) | 7.24M | -1.3% | $131.32M | 0.0% | ▼ Trim | 2 | SEC ↗ |
| 19 | The Vanguard Group ✦ (passive) | 7.24M | -1.3% | $131.32M | 0.0% | ▼ Trim | 2 | SEC ↗ |
| 20 | The Vanguard Group ✦ (passive) | 7.24M | -1.3% | $131.32M | 0.0% | ▼ Trim | 2 | SEC ↗ |
| 21 | The Vanguard Group ✦ (passive) | 7.24M | -1.3% | $131.32M | 0.0% | ▼ Trim | 2 | SEC ↗ |
| 22 | State Street Global Advisors ✦ (passive) | 3.29M | -1.0% | $59.68M | 0.0% | ▼ Trim | 4 | SEC ↗ |
| 23 | Renaissance Technologies ✦ | 2.39M | -4.5% | $43.32M | 0.1% | ▼ Trim | 6 | SEC ↗ |
| 24 | Wellington Management ✦ | 2.05M | +40.2% | $37.28M | 0.0% | ▲ Add | 4 | SEC ↗ |
| 25 | Wellington Management ✦ | 2.05M | +40.2% | $37.28M | 0.0% | ▲ Add | 4 | SEC ↗ |
| 26 | Wellington Management ✦ | 2.05M | +40.2% | $37.28M | 0.0% | ▲ Add | 4 | SEC ↗ |
| 27 | Wellington Management ✦ | 2.05M | +40.2% | $37.28M | 0.0% | ▲ Add | 4 | SEC ↗ |
| 28 | Wellington Management ✦ | 2.05M | +40.2% | $37.28M | 0.0% | ▲ Add | 4 | SEC ↗ |
| 29 | Wellington Management ✦ | 2.05M | +40.2% | $37.28M | 0.0% | ▲ Add | 4 | SEC ↗ |
| 30 | Geode Capital Management ✦ (passive) | 1.77M | -0.9% | $32.09M | 0.0% | ▼ Trim | 6 | SEC ↗ |
| 31 | Geode Capital Management ✦ (passive) | 1.77M | -0.9% | $32.09M | 0.0% | ▼ Trim | 6 | SEC ↗ |
| 32 | T. Rowe Price ✦ | 1.57M | +4.5% | $28.55M | 0.0% | ▲ Add | 6 | SEC ↗ |
| 33 | T. Rowe Price ✦ | 1.57M | +4.5% | $28.55M | 0.0% | ▲ Add | 6 | SEC ↗ |
| 34 | Arrowstreet Capital ✦ | 1.23M | -6.2% | $22.26M | 0.0% | ▼ Trim | 5 | SEC ↗ |
| 35 | JPMorgan Chase ✦ | 760.32K | — | $13.80M | 0.0% | n/c | 1 | SEC ↗ |
| 36 | JPMorgan Chase ✦ | 760.32K | — | $13.80M | 0.0% | n/c | 1 | SEC ↗ |
| 37 | JPMorgan Chase ✦ | 760.32K | — | $13.80M | 0.0% | n/c | 1 | SEC ↗ |
| 38 | JPMorgan Chase ✦ | 760.32K | — | $13.80M | 0.0% | n/c | 1 | SEC ↗ |
| 39 | JPMorgan Chase ✦ | 760.32K | — | $13.80M | 0.0% | n/c | 1 | SEC ↗ |
| 40 | JPMorgan Chase ✦ | 760.32K | — | $13.80M | 0.0% | n/c | 1 | SEC ↗ |
| 41 | JPMorgan Chase ✦ | 760.32K | — | $13.80M | 0.0% | n/c | 1 | SEC ↗ |
| 42 | JPMorgan Chase ✦ | 760.32K | — | $13.80M | 0.0% | n/c | 1 | SEC ↗ |
| 43 | JPMorgan Chase ✦ | 760.32K | — | $13.80M | 0.0% | n/c | 1 | SEC ↗ |
| 44 | JPMorgan Chase ✦ | 760.32K | — | $13.80M | 0.0% | n/c | 1 | SEC ↗ |
| 45 | JPMorgan Chase ✦ | 760.32K | — | $13.80M | 0.0% | n/c | 1 | SEC ↗ |
| 46 | JPMorgan Chase ✦ | 760.32K | — | $13.80M | 0.0% | n/c | 1 | SEC ↗ |
| 47 | JPMorgan Chase ✦ | 760.32K | — | $13.80M | 0.0% | n/c | 1 | SEC ↗ |
| 48 | JPMorgan Chase ✦ | 760.32K | — | $13.80M | 0.0% | n/c | 1 | SEC ↗ |
| 49 | JPMorgan Chase ✦ | 760.32K | — | $13.80M | 0.0% | n/c | 1 | SEC ↗ |
| 50 | JPMorgan Chase ✦ | 760.32K | — | $13.80M | 0.0% | n/c | 1 | SEC ↗ |
| 51 | Morgan Stanley ✦ | 755.48K | — | $13.71M | 0.0% | n/c | 1 | SEC ↗ |
| 52 | Morgan Stanley ✦ | 755.48K | — | $13.71M | 0.0% | n/c | 1 | SEC ↗ |
| 53 | Morgan Stanley ✦ | 755.48K | — | $13.71M | 0.0% | n/c | 1 | SEC ↗ |
| 54 | Morgan Stanley ✦ | 755.48K | — | $13.71M | 0.0% | n/c | 1 | SEC ↗ |
| 55 | Morgan Stanley ✦ | 755.48K | — | $13.71M | 0.0% | n/c | 1 | SEC ↗ |
| 56 | Morgan Stanley ✦ | 755.48K | — | $13.71M | 0.0% | n/c | 1 | SEC ↗ |
| 57 | Morgan Stanley ✦ | 755.48K | — | $13.71M | 0.0% | n/c | 1 | SEC ↗ |
| 58 | Morgan Stanley ✦ | 755.48K | — | $13.71M | 0.0% | n/c | 1 | SEC ↗ |
| 59 | Two Sigma Investments ✦ | 683.25K | +19.2% | $12.40M | 0.0% | ▲ Add | 6 | SEC ↗ |
| 60 | Goldman Sachs Group ✦ | 620.18K | — | $11.26M | 0.0% | n/c | 1 | SEC ↗ |
| 61 | Goldman Sachs Group ✦ | 620.18K | — | $11.26M | 0.0% | n/c | 1 | SEC ↗ |
| 62 | Citadel Advisors ✦ | 350.79K | +59.0% | $6.37M | 0.0% | ▲ Add | 6 | SEC ↗ |
| 63 | Citadel Advisors ✦ | 350.79K | +59.0% | $6.37M | 0.0% | ▲ Add | 6 | SEC ↗ |
| 64 | Marshall Wace ✦ | 175.08K | -71.7% | $3.18M | 0.0% | ▼ Trim | 6 | SEC ↗ |
| 65 | Marshall Wace ✦ | 175.08K | -71.7% | $3.18M | 0.0% | ▼ Trim | 6 | SEC ↗ |
| 66 | Millennium Management ✦ | 144.84K | +55.5% | $2.63M | 0.0% | ▲ Add | 6 | SEC ↗ |
| 67 | Fisher Asset Management ✦ | 69.68K | -7.0% | $1.26M | 0.0% | ▼ Trim | 6 | SEC ↗ |
| 68 | AQR Capital Management ✦ | 42.46K | +0.9% | $770,622 | 0.0% | ▲ Add | 6 | SEC ↗ |
| 69 | AQR Capital Management ✦ | 42.46K | +0.9% | $770,622 | 0.0% | ▲ Add | 6 | SEC ↗ |
| 70 | AQR Capital Management ✦ | 42.46K | +0.9% | $770,622 | 0.0% | ▲ Add | 6 | SEC ↗ |
| 71 | AQR Capital Management ✦ | 42.46K | +0.9% | $770,622 | 0.0% | ▲ Add | 6 | SEC ↗ |
| 72 | AQR Capital Management ✦ | 42.46K | +0.9% | $770,622 | 0.0% | ▲ Add | 6 | SEC ↗ |
| 73 | GAMCO Investors ✦ | 42.00K | -4.5% | $762,300 | 0.0% | ▼ Trim | 6 | SEC ↗ |
| 74 | Gotham Asset Management ✦ | 40.15K | New | $728,632 | 0.0% | New | 1 | SEC ↗ |
| 75 | D. E. Shaw & Co. ✦ | 14.24K | -33.3% | $258,492 | 0.0% | ▼ Trim | 2 | SEC ↗ |
| 76 | Fidelity (FMR) ✦ | 10.01K | +15.9% | $181,584 | 0.0% | ▲ Add | 2 | SEC ↗ |
| 77 | Fidelity (FMR) ✦ | 10.01K | +15.9% | $181,584 | 0.0% | ▲ Add | 2 | SEC ↗ |
“Their weight” = the position's share of that manager's reported 13F equity value — the conviction measure. ✦ = curated manager.
New buyers
| Gotham Asset Management | $728,632 | 0.0% |
Exited
| Norges Bank | $508,363 | 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: Q3 2025 ·
Methodology ·
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