Who owns WEIBO Corp?
Prices and market caps: Cboe delayed data, at least 15 minutes delayed. Not real-time. Fundamentals from company filings.
Institutional ownership of WB from SEC Form 13F filings across 135 reporting managers. All positions are from one synchronized reporting period — 2026-06-30 books, filed up to 45 days after quarter end — so every row is comparable.
As of the 2026-06-30 reporting period, 135 institutions disclosed 47.7M shares of WEIBO Corp worth $348.0M — about 19.9% of shares outstanding; the largest disclosed holder is Alibaba Group Holding Ltd. Source: SEC Form 13F filings, parsed by EvidInvest.
135
13F holders
$348.0M
value, 2026 filers
19.9%
of shares outstanding (47.7M sh)
17
new positions (2026 filers)
Top institutional holders
ordered by shares owned · positions as of 2026-06-30 · % of fund = share of the manager's own book · % of co. = share of WB's shares outstanding
| # | Manager | Shares | Value | % of fund | % of co. | Δ shares QoQ |
|---|---|---|---|---|---|---|
| 1 | Alibaba Group Holding Ltd | 9.0M | $65.3M | 12.8% | 3.8% | 0.0% |
| 2 | ACADIAN ASSET MANAGEMENT LLC | 5.1M | $36.7M | 0.0% | 2.1% | -9.2% |
| 3 | Krane Funds Advisors LLC | 3.5M | $25.6M | 0.9% | 1.5% | -7.8% |
| 4 | Saba Capital Management, L.P. | 3.1M | $22.6M | 0.6% | 1.3% | +27.5% |
| 5 | Polunin Capital Partners LtdNEW | 2.9M | $22.6M | 5.5% | 1.2% | new |
| 6 | WELLINGTON MANAGEMENT GROUP LLP | 2.4M | $17.2M | 0.0% | 1% | +41.9% |
| 7 | CAUSEWAY CAPITAL MANAGEMENT LLC | 2.3M | $16.8M | 0.2% | 1% | -13.1% |
| 8 | FIL Ltd | 1.7M | $12.6M | 0.0% | 0.7% | -3.5% |
| 9 | NOMURA ASSET MANAGEMENT INTERNATIONAL INC. | 1.5M | $11.0M | 0.0% | 0.6% | -2.8% |
| 10 | GOLDMAN SACHS GROUP INC | 1.2M | $8.7M | 0.0% | 0.5% | -29.4% |
| 11 | UBS Group AG | 975,555 | $7.1M | 0.0% | 0.4% | +33.2% |
| 12 | NEW YORK STATE COMMON RETIREMENT FUND | 781,049 | $5.7M | 0.0% | 0.3% | +38.5% |
| 13 | O'SHAUGHNESSY ASSET MANAGEMENT, LLC | 722,003 | $5.2M | 0.0% | 0.3% | -8.8% |
| 14 | AMERICAN CENTURY COMPANIES INC | 691,548 | $5.0M | 0.0% | 0.3% | -4.5% |
| 15 | SEI INVESTMENTS CO | 666,104 | $4.8M | 0.0% | 0.3% | +14.0% |
| 16 | PRUDENTIAL FINANCIAL INC | 657,700 | $4.8M | 0.0% | 0.3% | +40.8% |
| 17 | SUSQUEHANNA INTERNATIONAL GROUP, LLP | 650,193 | $4.7M | 0.0% | 0.3% | -3.0% |
| 18 | D. E. Shaw & Co., Inc. | 644,960 | $4.7M | 0.0% | 0.3% | +1.5% |
| 19 | Quinn Opportunity Partners LLC | 638,745 | $4.6M | 0.2% | 0.3% | 0.0% |
| 20 | STATE STREET CORP | 607,923 | $4.4M | 0.0% | 0.3% | -32.4% |
| 21 | DIMENSIONAL FUND ADVISORS LP | 579,141 | $4.2M | 0.0% | 0.2% | -18.0% |
| 22 | Russell Investments Group, Ltd. | 515,529 | $3.7M | 0.0% | 0.2% | +12.3% |
| 23 | Long Corridor Asset Management Ltd | 500,000 | $3.6M | 1.1% | 0.2% | -5.7% |
| 24 | FIRST TRUST ADVISORS LP | 420,231 | $3.1M | 0.0% | 0.2% | +20.3% |
| 25 | Linden Advisors LPNEW | 387,090 | $2.8M | 0.0% | 0.2% | new |
Source: SEC Form 13F-HR filings (institutional managers over $100M in US-listed positions). 13Fs disclose long positions only, up to 45 days after quarter end; each manager's latest filed quarter is shown per row and dollar values are the manager's filed marks. Aggregates labeled "2026 filers" count only managers whose latest book is a 2026 quarter. Related: valuation · options positioning · supply chain. Research, not investment advice.