Ranked by reported Q2 2026 13F market value
Share of total reported institutional value in EGHT held by the largest 10 / 25 filers.
| # | Institution | Shares Held | Market Value | QoQ Change | Ownership % | % of Fund |
|---|---|---|---|---|---|---|
| 1 | BlackRock, Inc. | 12.1M | $20.6M | +1.0% | 8.507% | 0.00% |
| 2 | VANGUARD PORTFOLIO MANAGEMENT LLC | 7.7M | $13.1M | +7.3% | 5.402% | 0.00% |
| 3 | VANGUARD CAPITAL MANAGEMENT LLC | 5.9M | $10.2M | +3.0% | 4.188% | 0.00% |
| 4 | SYLEBRA CAPITAL LLC | 4.2M | $7.2M | -53.0% | 2.954% | 0.76% |
| 5 | AQR CAPITAL MANAGEMENT LLC | 3.8M | $6.5M | -19.7% | 2.670% | 0.00% |
| 6 | GEODE CAPITAL MANAGEMENT, LLC | 3.7M | $6.3M | +11.3% | 2.591% | 0.00% |
| 7 | GOLDMAN SACHS GROUP INC | 2.9M | $4.9M | +125.0% | 2.020% | 0.00% |
| 8 | STATE STREET CORP | 2.8M | $4.8M | +2.2% | 1.976% | 0.00% |
| 9 | JPMORGAN CHASE & CO | 2.5M | $4.3M | +13.3% | 1.789% | 0.00% |
| 10 | MARSHALL WACE, LLP | 2.1M | $3.7M | -26.0% | 1.513% | 0.00% |
| 11 | Impax Asset Management Group plc | 2.0M | $3.4M | 0.0% | 1.411% | 0.02% |
| 12 | Boston Partners | 1.9M | $3.2M | -72.2% | 1.315% | 0.00% |
| 13 | Hillsdale Investment Management Inc. | 1.9M | $3.2M | +12.6% | 1.312% | 0.07% |
| 14 | D. E. Shaw & Co., Inc. | 1.8M | $3.1M | 0.0% | 1.295% | 0.00% |
| 15 | FMR LLC | 1.8M | $3.1M | +10.3% | 1.282% | 0.00% |
| 16 | TWO SIGMA INVESTMENTS, LP | 1.8M | $3.0M | +28.3% | 1.253% | 0.00% |
| 17 | BANK OF AMERICA CORP /DE/ | 1.7M | $2.8M | -72.7% | 1.164% | 0.00% |
| 18 | DIMENSIONAL FUND ADVISORS LP | 1.6M | $2.8M | +8.1% | 1.146% | 0.00% |
| 19 | MORGAN STANLEY | 1.5M | $2.6M | -5.3% | 1.055% | 0.00% |
| 20 | CHARLES SCHWAB INVESTMENT MANAGEMENT INC | 1.4M | $2.5M | +0.9% | 1.011% | 0.00% |
| 21 | ALGERT GLOBAL LLC | 1.3M | $2.2M | +944.3% | 0.906% | 0.03% |
| 22 | NORTHERN TRUST CORP | 1.3M | $2.2M | +6.0% | 0.904% | 0.00% |
| 23 | CITADEL ADVISORS LLC | 1.3M | $2.2M | +1849.0% | 0.890% | 0.00% |
| 24 | SEGALL BRYANT & HAMILL, LLC | 1.2M | $2.1M | -6.3% | 0.869% | 0.02% |
| 25 | MILLENNIUM MANAGEMENT LLC | 1.1M | $2.0M | +636.6% | 0.804% | 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 EGHT — a direct measure of their conviction.
Filings activity in EGHT during Q2 2026, grouped by how each filer changed its position.
8 quarters of 13F filings · Δ columns show change vs prior quarter
| Quarter | Inst. Holders | Δ Holders | Ownership % | Δ Ownership | Total 13F Value | Δ Value |
|---|---|---|---|---|---|---|
| Q2 2026 | 174 | 4.4% | 72.94% | 5.44 pp | $165M | 3.6% |
| Q1 2026 | 182 | +9.6% | 78.38% | +0.46 pp | $171M | 39% |
| Q4 2025 | 166 | +12% | 77.92% | +0.65 pp | $279M | +30% |
| Q3 2025 | 148 | 1.3% | 77.27% | +0.93 pp | $214M | +12% |
| Q2 2025 | 150 | +4.9% | 76.34% | 4.96 pp | $191M | 8.4% |
| Q1 2025 | 143 | 5.3% | 81.30% | 2.57 pp | $208M | 27% |
| Q4 2024 | 151 | +9.4% | 83.87% | +0.02 pp | $283M | +32% |
| Q3 2024 | 138 | — | 83.85% | — | $214M | — |
Source: SEC 13F institutional filings. Ownership % requires market cap data and will show once linked. Δ columns compare to the immediately prior filed quarter.
Quick answers to the most common questions about buying EGHT stock.
Based on Q2 2026 13F filings, institutional ownership of 8x8, Inc. stands at 72.9%, held across 174 reporting institutions.
BlackRock, Inc. is the largest reported institutional holder of EGHT, with approximately 12,060,736 shares worth $0.02B as of Q2 2026.
Yes — 3 widely-followed marquee investors appear among the top 25 institutional holders of EGHT, including TWO SIGMA INVESTMENTS, LP, CITADEL ADVISORS LLC, MILLENNIUM MANAGEMENT LLC.
Our composite Smart Money Score for EGHT is 45 out of 100 (Neutral). It combines net institutional buying activity, ownership shift, marquee investor presence, and holder-count growth.
18 institutions opened new positions in EGHT during Q2 2026, while 23 fully exited. 93 added to existing positions and 59 trimmed.
EGHT institutional ownership fell by 5.44 percentage points quarter-over-quarter, with a net change of -8 holders.
The top 10 institutions account for 49.4% of all reported 13F value in EGHT, and the top 25 account for 73.9%.
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.
8x8, Inc. (EGHT) Institutional Ownership