Weibo Corporation (WB)
Weibo Corporation (WB) is listed on Nasdaq, where it has traded since April 14, 2014.
- Listed On
- Nasdaq
- Listed Since
- April 14, 2014
- Employees
- 5,651
- Market Cap
- $1.6B
About Weibo Corporation
Weibo Corp is a China-based company that operates a social media platform for people to create, discover and distribute content. The company currently operates and manages its business in two principal business lines globally - advertising and marketing services and value-added services. The Value-added Services mainly provide services such as membership services on social platforms, online games, live broadcasts, social e-commerce, and others. The company's main product is the social platform Weibo. It generates a substantial majority of its revenues from online advertising and marketing services.
Institutional ownership
In 13F filings for the quarter ended June 30, 2026, 134 institutions reported holding WB, with 47.7 million shares worth $348.2 million in aggregate. The largest reported holder was Alibaba Group Holding, with 9.0 million shares worth $65.3 million. Of the 5 largest holders listed below, 1 opened a new position in WB, 1 added shares, 2 reduced their positions and 1 held its position unchanged during the quarter.
| Institution | Shares | Value | Quarter change |
|---|---|---|---|
| Alibaba Group Holding | 9,000,000 | $65M | Unchanged |
| Acadian Asset Management | 5,053,606 | $37M | Reduced 9.2% |
| Krane Funds Advisors | 3,522,391 | $26M | Reduced 7.8% |
| Saba Capital Management, | 3,107,526 | $23M | Added 27.5% |
| Polunin Capital Partners | 2,926,338 | $23M | New position |
Form 13F is a quarterly report that institutional investment managers with at least $100 million in qualifying securities file with the SEC. It lists long positions as of the last day of the quarter and is due within 45 days of quarter end, so these holdings describe that date rather than today.
Frequently asked questions
What is WB?
Weibo Corporation (WB) is listed on Nasdaq, where it has traded since April 14, 2014.
Who are the largest institutional holders of WB?
In 13F filings for the quarter ended June 30, 2026, the largest reported holders of WB were Alibaba Group Holding, Acadian Asset Management and Krane Funds Advisors.
How many institutions own WB?
134 institutions reported a position in WB for the quarter ended June 30, 2026, worth $348.2 million in total.
Did institutions buy or sell WB last quarter?
Of the 5 largest reported holders, 1 opened a new position in WB, 1 added shares, 2 reduced their positions and 1 held its position unchanged during the quarter. Every reported holder and its change is on the SentiSense ownership page for WB.
Every reported institutional holder, plus insider and congressional trades in WB, on SentiSense.