WB
Weibo Corporation · Communication Services · Internet Content & Information
Momentum inputs (comparable managers):
holder breadth +11.1% ·
share flow +30.0% ·
net new positions +10.0%
— formula
Broad accumulation — rising shares across more holders
All ownership figures: tracked 13F managers only, common-stock positions, reporting period Q4 2024
| Quarter | Holders | Δ | Shares | Reported value | New | Exits |
|---|---|---|---|---|---|---|
| Q2 2026 | 61 | -1 | 17.35M | $126.13M | +3 | −4 |
| Q1 2026 | 62 | +4 | 16.78M | $146.76M | +8 | −4 |
| Q4 2025 | 58 | 0 | 17.93M | $183.21M | +2 | −2 |
| Q3 2025 | 12 | -3 | 9.25M | $114.66M | — | −3 |
| Q2 2025 | 12 | +1 | 7.95M | $75.77M | +2 | −1 |
| Q1 2025 | 9 | -1 | 5.47M | $51.81M | +2 | −3 |
| Q4 2024 | 10 | +1 | 7.21M | $68.85M | +2 | −1 |
| Q3 2024 | 8 | -1 | 4.34M | $43.73M | +1 | −2 |
| Q2 2024 | 9 | — | 4.65M | $35.70M | — | — |
| # | Manager | Shares | Δ shares | Value | Their weight | Held | ||
|---|---|---|---|---|---|---|---|---|
| 1 | Two Sigma Investments ✦ | 1.91M | -6.9% | $18.26M | 0.0% | ▼ Trim | 3 | SEC ↗ |
| 2 | Norges Bank ✦ (passive) | 1.18M | +6.1% | $11.27M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 3 | Wellington Management ✦ | 1.05M | +1641.9% | $10.01M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 4 | Wellington Management ✦ | 1.05M | +1641.9% | $10.01M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 5 | Wellington Management ✦ | 1.05M | +1641.9% | $10.01M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 6 | Wellington Management ✦ | 1.05M | +1641.9% | $10.01M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 7 | Wellington Management ✦ | 1.05M | +1641.9% | $10.01M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 8 | State Street Global Advisors ✦ (passive) | 1.01M | — | $9.65M | 0.0% | n/c | 1 | SEC ↗ |
| 9 | Citadel Advisors ✦ | 631.35K | +48.3% | $6.03M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 10 | Citadel Advisors ✦ | 631.35K | +48.3% | $6.03M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 11 | Arrowstreet Capital ✦ | 395.12K | New | $3.77M | 0.0% | New | 1 | SEC ↗ |
| 12 | Point72 Asset Management ✦ | 385.69K | New | $3.68M | 0.0% | New | 1 | SEC ↗ |
| 13 | Marshall Wace ✦ | 363.15K | +346.5% | $3.47M | 0.0% | ▲ Add | 2 | SEC ↗ |
| 14 | Marshall Wace ✦ | 363.15K | +346.5% | $3.47M | 0.0% | ▲ Add | 2 | SEC ↗ |
| 15 | Marshall Wace ✦ | 363.15K | +346.5% | $3.47M | 0.0% | ▲ Add | 2 | SEC ↗ |
| 16 | Geode Capital Management ✦ (passive) | 214.29K | -4.1% | $2.05M | 0.0% | ▼ Trim | 3 | SEC ↗ |
| 17 | Geode Capital Management ✦ (passive) | 214.29K | -4.1% | $2.05M | 0.0% | ▼ Trim | 3 | SEC ↗ |
| 18 | Millennium Management ✦ | 67.60K | -77.0% | $645,551 | 0.0% | ▼ Trim | 3 | SEC ↗ |
| 19 | Millennium Management ✦ | 67.60K | -77.0% | $645,551 | 0.0% | ▼ Trim | 3 | SEC ↗ |
“Their weight” = the position's share of that manager's reported 13F equity value — the conviction measure. ✦ = curated manager.
New buyers
| Arrowstreet Capital | $3.77M | 0.0% |
| Point72 Asset Management | $3.68M | 0.0% |
Exited
| D. E. Shaw & Co. | $890,588 | was 0.0% |
Full-market context: across ALL 13F filers (SEC structured data, Q1 2026): 142 holders, 45.24M shares, $346.18M reported. This is a different, older period than the tracked-universe figures above and the two are never mixed.
What else this security's tracked holders most often hold — shared-ownership counts, not fundamental relationships.