Ranked by reported Q1 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. | 11.9M | $19.8M | +6.0% | 8.454% | 0.00% |
| 2 | SYLEBRA CAPITAL LLC | 8.9M | $14.8M | -22.5% | 6.310% | 1.91% |
| 3 | VANGUARD PORTFOLIO MANAGEMENT LLC | 7.1M | $11.8M | — | 5.056% | 0.00% |
| 4 | Boston Partners | 6.7M | $11.1M | -6.7% | 4.746% | 0.01% |
| 5 | BANK OF AMERICA CORP /DE/ | 6.0M | $10.0M | -9.1% | 4.280% | 0.00% |
| 6 | VANGUARD CAPITAL MANAGEMENT LLC | 5.8M | $9.6M | — | 4.083% | 0.00% |
| 7 | AQR CAPITAL MANAGEMENT LLC | 4.7M | $7.8M | +38.4% | 3.340% | 0.00% |
| 8 | GEODE CAPITAL MANAGEMENT, LLC | 3.3M | $5.5M | -0.3% | 2.337% | 0.00% |
| 9 | MARSHALL WACE, LLP | 2.9M | $4.8M | +357.8% | 2.053% | 0.01% |
| 10 | STATE STREET CORP | 2.7M | $4.6M | +4.9% | 1.942% | 0.00% |
| 11 | Impax Asset Management Group plc | 2.0M | $3.3M | 0.0% | 1.417% | 0.02% |
| 12 | Invenomic Capital Management LP | 1.9M | $3.2M | -37.8% | 1.361% | 0.15% |
| 13 | D. E. Shaw & Co., Inc. | 1.8M | $3.0M | +152.8% | 1.300% | 0.00% |
| 14 | Hillsdale Investment Management Inc. | 1.7M | $2.7M | +10.0% | 1.171% | 0.07% |
| 15 | FMR LLC | 1.6M | $2.7M | +10.1% | 1.167% | 0.00% |
| 16 | MORGAN STANLEY | 1.6M | $2.6M | +69.6% | 1.120% | 0.00% |
| 17 | ArrowMark Colorado Holdings LLC | 1.6M | $2.6M | -36.4% | 1.100% | 0.07% |
| 18 | DIMENSIONAL FUND ADVISORS LP | 1.5M | $2.5M | +12.3% | 1.065% | 0.00% |
| 19 | Russell Investments Group, Ltd. | 1.5M | $2.4M | -11.4% | 1.035% | 0.00% |
| 20 | CHARLES SCHWAB INVESTMENT MANAGEMENT INC | 1.4M | $2.4M | +0.2% | 1.007% | 0.00% |
| 21 | TWO SIGMA INVESTMENTS, LP | 1.4M | $2.3M | +234.2% | 0.980% | 0.00% |
| 22 | GOLDMAN SACHS GROUP INC | 1.3M | $2.1M | +34.1% | 0.901% | 0.00% |
| 23 | NORTHERN TRUST CORP | 1.2M | $2.0M | +8.9% | 0.857% | 0.00% |
| 24 | EverSource Wealth Advisors, LLC | 3K | $1.8M | -65.5% | 0.002% | 0.06% |
| 25 | PANAGORA ASSET MANAGEMENT INC | 1.0M | $1.7M | +5.5% | 0.729% | 0.01% |
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 Q1 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 |
|---|---|---|---|---|---|---|
| Q1 2026 | 175 | +6.1% | 66.34% | 44.38 pp | $167M | 40% |
| Q4 2025 | 165 | +12% | 110.72% | +25.58 pp | $278M | +30% |
| Q3 2025 | 147 | 2.0% | 85.14% | +9.30 pp | $214M | +12% |
| Q2 2025 | 150 | +4.9% | 75.84% | 6.93 pp | $191M | 8.4% |
| Q1 2025 | 143 | 5.3% | 82.77% | 30.03 pp | $208M | 27% |
| Q4 2024 | 151 | +9.4% | 112.80% | +27.48 pp | $283M | +32% |
| Q3 2024 | 138 | 3.5% | 85.32% | 12.20 pp | $214M | 13% |
| Q2 2024 | 143 | — | 97.52% | — | $245M | — |
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 Q1 2026 13F filings, institutional ownership of 8x8, Inc. stands at 66.3%, held across 175 reporting institutions.
BlackRock, Inc. is the largest reported institutional holder of EGHT, with approximately 11,936,552 shares worth $0.02B as of Q1 2026.
Yes — 1 widely-followed marquee investor appear among the top 25 institutional holders of EGHT, including TWO SIGMA INVESTMENTS, LP.
Our composite Smart Money Score for EGHT is 41 out of 100 (Neutral). It combines net institutional buying activity, ownership shift, marquee investor presence, and holder-count growth.
36 institutions opened new positions in EGHT during Q1 2026, while 26 fully exited. 47 added to existing positions and 89 trimmed.
EGHT institutional ownership fell by 44.38 percentage points quarter-over-quarter, with a net change of +10 holders.
The top 10 institutions account for 59.9% of all reported 13F value in EGHT, and the top 25 account for 82.4%.
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