A10 NETWORKS INC ATEN
$36.30
-4.5% 52w: $16.47 – $38.00
Latest 13F among current holders filed 17 days ago (Jun 18, 2026)
Price — last 12 months
research preview data16.4727.2338.00
Jun 20, 2025 Jul 2, 2026
Institutional holders
264
+21 QoQ
13F value
$1.67B
+34.1% QoQ
Smart-money holders
4
signal tier ≥ 2
New smart buyers
2
Q1 2026
Options barometer
calls only
$8.3M calls / — puts
Institutional value by quarter
Number of holders
Who owns ATEN?
Q1 2026 filings| Fund | Type | Shares | Value | % of fund | Change |
|---|---|---|---|---|---|
| BlackRock, Inc. | Index provider | 13.1M | $302.6M | 0.0% | +0.8% |
| Penserra Capital Management LLC | Diversified mechanical | 3.6M | $83.1M | 1.0% | -15.6% |
| VANGUARD PORTFOLIO MANAGEMENT LLC | Diversified mechanical | 3.4M | $78.3M | 0.0% | — |
| VANGUARD CAPITAL MANAGEMENT LLC | Diversified mechanical | 3.1M | $72.2M | 0.0% | — |
| STATE STREET CORP | Index provider | 3.1M | $71.4M | 0.0% | -0.8% |
| Boston Trust Walden Corp | Other | 2.2M | $50.2M | 0.4% | -11.0% |
| WELLINGTON MANAGEMENT GROUP LLP | Long only active | 2.1M | $48.0M | 0.0% | +2.7% |
| BARCLAYS PLC | Bank broker | 1.9M | $43.3M | 0.0% | +1.8% |
| RENAISSANCE TECHNOLOGIES LLC | Quant stat arb | 1.8M | $41.3M | 0.1% | -16.4% |
| FIRST TRUST ADVISORS LP | Index provider | 1.7M | $39.8M | 0.0% | -30.2% |
| GEODE CAPITAL MANAGEMENT, LLC | Index provider | 1.7M | $39.7M | 0.0% | -3.4% |
| DIMENSIONAL FUND ADVISORS LP | Quant stat arb | 1.6M | $37.8M | 0.0% | -0.8% |
| MIRAE ASSET GLOBAL ETFS HOLDINGS Ltd. | Index provider | 1.6M | $36.0M | 0.0% | +7.4% |
| ARROWSTREET CAPITAL, LIMITED PARTNERSHIP | Quant stat arb | 1.5M | $34.6M | 0.0% | +36.7% |
| PUNCH & ASSOCIATES INVESTMENT MANAGEMENT, INC. | Other | 1.5M | $33.8M | 1.9% | +1.7% |
| TWO SIGMA INVESTMENTS, LP | Quant stat arb | 1.3M | $30.5M | 0.0% | +79.9% |
| GOLDMAN SACHS GROUP INC | Bank broker | 1.2M | $27.4M | 0.0% | +14.7% |
| PRICE T ROWE ASSOCIATES INC /MD/ | Diversified mechanical | 1.1M | $24.8M | 0.0% | -30.2% |
| PRUDENTIAL FINANCIAL INC | Insurance | 885.2K | $20.5M | 0.0% | +1105.9% |
| Boston Partners | Other | 815.8K | $19.0M | 0.0% | -2.9% |
| ROYCE & ASSOCIATES LP | Other | 817.4K | $18.9M | 0.2% | +12.4% |
| MORGAN STANLEY | Bank broker | 813.1K | $18.8M | 0.0% | +1.1% |
| CHARLES SCHWAB INVESTMENT MANAGEMENT INC | Index provider | 744.0K | $17.2M | 0.0% | +2.1% |
| NORTHERN TRUST CORP | Index provider | 704.4K | $16.3M | 0.0% | +2.4% |
| Bank of New York Mellon Corp | Diversified mechanical | 660.6K | $15.3M | 0.0% | -0.8% |
| JANE STREET GROUP, LLC | Market maker | 595.9K | $13.8M | 0.0% | New |
| DEPRINCE RACE & ZOLLO INC | Other | 564.8K | $13.1M | 0.2% | New |
| ROYAL BANK OF CANADA | Bank broker | 536.5K | $12.4M | 0.0% | +9899.3% |
| CITADEL ADVISORS LLC | Multistrat pod | 514.0K | $11.9M | 0.0% | +238.1% |
| OBERWEIS ASSET MANAGEMENT INC/ | Other | 504.3K | $11.7M | 0.3% | New |
| VANGUARD FIDUCIARY TRUST CO | Diversified mechanical | 494.4K | $11.4M | 0.0% | — |
| Impax Asset Management Group plc | Other | 470.0K | $10.9M | 0.1% | +30.6% |
| Aptus Capital Advisors, LLC | Wealth advisor | 455.0K | $10.5M | 0.1% | +1.0% |
| PRINCIPAL FINANCIAL GROUP INC | Diversified mechanical | 436.3K | $10.1M | 0.0% | -3.5% |
| Defiance ETFs, LLC | Quant stat arb | 423.1K | $9.8M | 0.1% | -24.5% |
| MILLENNIUM MANAGEMENT LLC | Multistrat pod | 414.9K | $9.6M | 0.0% | +95.7% |
| PARADIGM CAPITAL MANAGEMENT INC/NY ★2 | Fundamental diversified | 401.4K | $9.3M | 0.4% | Held |
| Bridge City Capital, LLC | Other | 400.7K | $9.3M | 2.6% | +5.6% |
| UBS Group AG | Bank broker | 390.1K | $9.0M | 0.0% | -9.3% |
| Russell Investments Group, Ltd. | Diversified mechanical | 389.8K | $9.0M | 0.0% | +1064.4% |
| BNP PARIBAS FINANCIAL MARKETS | Bank broker | 389.7K | $9.0M | 0.0% | +84.9% |
| Invesco Ltd. | Index provider | 362.7K | $8.4M | 0.0% | -56.6% |
| RICE HALL JAMES & ASSOCIATES, LLC | Other | 336.8K | $7.8M | 0.4% | +6.4% |
| WELLS FARGO & COMPANY/MN | Bank broker | 332.5K | $7.7M | 0.0% | +29.8% |
| CRAWFORD INVESTMENT COUNSEL INC | Other | 320.6K | $7.4M | 0.1% | +5.8% |
| HRT FINANCIAL LP | Diversified mechanical | 320.4K | $7.4M | 0.0% | New |
| JPMORGAN CHASE & CO | Bank broker | 326.6K | $7.3M | 0.0% | +50.5% |
| Man Group plc | Quant stat arb | 304.4K | $7.0M | 0.0% | +60.0% |
| Jump Financial, LLC | Market maker | 287.5K | $6.6M | 0.1% | New |
| D. E. Shaw & Co., Inc. | Quant stat arb | 263.4K | $6.1M | 0.0% | New |
Exits are not a bearish signal: our backtest shows stocks specialists exit keep outperforming for 3+ quarters — selling usually means profit-taking, not a forecast.
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