| 4 | VANGUARD CAPITAL MANAGEMENT LLC | 5.7M | $183.9M | -1.8% | 4.344% | 0.00% |
| 5 | PARADIGM CAPITAL MANAGEMENT INC/NY | 4.2M | $137.3M | -19.0% | 3.243% | 3.74% |
| 6 | FMR LLC | 3.5M | $113.6M | +5.6% | 2.684% | 0.00% |
| 7 | GEODE CAPITAL MANAGEMENT, LLC | 3.4M | $110.3M | +2.4% | 2.604% | 0.01% |
| 8 | ARROWSTREET CAPITAL, LIMITED PARTNERSHIP | 3.4M | $108.7M | +3.4% | 2.568% | 0.05% |
| 9 | GOLDMAN SACHS GROUP INC | 3.0M | $97.3M | -3.9% | 2.299% | 0.01% |
| 10 | LOOMIS SAYLES & CO L P | 2.5M | $82.1M | -6.6% | 1.940% | 0.10% |
| 11 | AMERICAN CENTURY COMPANIES INC | 2.5M | $80.3M | +1518.1% | 1.898% | 0.04% |
| 12 | RENAISSANCE TECHNOLOGIES LLC | 1.9M | $60.3M | -10.3% | 1.424% | 0.08% |
| 13 | MORGAN STANLEY | 1.8M | $58.5M | +0.8% | 1.383% | 0.00% |
| 14 | AMERIPRISE FINANCIAL INC | 1.7M | $55.0M | +107.9% | 1.300% | 0.01% |
| 15 | SOUTHERNSUN ASSET MANAGEMENT, LLC | 1.7M | $54.6M | -26.7% | 1.289% | 7.34% |
| 16 | Boston Partners | 1.7M | $54.3M | — | 1.280% | 0.05% |
| 17 | Trigran Investments, Inc. | 1.5M | $48.8M | -47.1% | 1.153% | 8.95% |
| 18 | Nuveen, LLC | 1.5M | $48.0M | -5.9% | 1.134% | 0.01% |
| 19 | NORTHERN TRUST CORP | 1.5M | $47.3M | +4.2% | 1.118% | 0.01% |
| 20 | Shannon River Fund Management LLC | 1.4M | $46.1M | +8.5% | 1.089% | 4.11% |
| 21 | BANK OF AMERICA CORP /DE/ | 1.4M | $45.5M | +85.8% | 1.076% | 0.00% |
| 22 | CHARLES SCHWAB INVESTMENT MANAGEMENT INC | 1.4M | $44.7M | -7.7% | 1.055% | 0.01% |
| 23 | PANAGORA ASSET MANAGEMENT INC | 1.0M | $33.4M | +122.7% | 0.789% | 0.10% |
| 24 | MILLENNIUM MANAGEMENT LLC | 1.0M | $33.3M | +546.6% | 0.787% | 0.01% |
| 25 | JANE STREET GROUP, LLC | 963K | $31.2M | +3187.2% | 0.737% | 0.00% |
denotes a marquee investor (Buffett, Burry, ARK, Tiger Global, Pershing Square, Baupost and other widely-followed managers). “% of Fund” shows how much of that investor’s total 13F portfolio is invested in EXTR — a direct measure of their conviction.
| 91.86% |
| 108.13 pp |
| $1.58B |
| 66% |
| Q4 2024 | 271 | +6.7% | 199.99% | +108.61 pp | $4.67B | +168% |
| Q3 2024 | 254 | — | 91.38% | — | $1.74B | — |
Source: SEC 13F institutional filings. Ownership % requires market cap data and will show once linked. Δ columns compare to the immediately prior filed quarter.
72 institutions opened new positions in EXTR during Q2 2026, while 30 fully exited. 240 added to existing positions and 21 trimmed.
EXTR institutional ownership rose by 1.50 percentage points quarter-over-quarter, with a net change of +43 holders.
The top 10 institutions account for 55.3% of all reported 13F value in EXTR, and the top 25 account for 74.6%.
All data is sourced from SEC Form 13F filings, which institutional investment managers with at least $100M in assets are required to file each quarter. We process every 13F filing from EDGAR and recompute the aggregates after each cycle. Insider transactions are sourced from Form 4 filings.
Extreme Networks, Inc. (EXTR) Institutional Ownership