Ranked by reported Q1 2026 13F market value
Share of total reported institutional value in WB held by the largest 10 / 25 filers.
| # | Institution | Shares Held | Market Value | QoQ Change | Ownership % | % of Fund |
|---|---|---|---|---|---|---|
| 1 | Alibaba Group Holding Ltd | 9.0M | $78.8M | 0.0% | 3.765% | 12.07% |
| 2 | Krane Funds Advisors LLC | 3.8M | $33.6M | -10.6% | 1.598% | 1.38% |
| 3 | CAUSEWAY CAPITAL MANAGEMENT LLC | 2.7M | $23.3M | -10.9% | 1.115% | 0.29% |
| 4 | Saba Capital Management, L.P. | 2.4M | $21.3M | +21.0% | 1.020% | 0.71% |
| 5 | FIL Ltd | 1.8M | $15.7M | +10.2% | 0.753% | 0.01% |
| 6 | GOLDMAN SACHS GROUP INC | 1.7M | $14.9M | +14.7% | 0.710% | 0.00% |
| 7 | WELLINGTON MANAGEMENT GROUP LLP | 1.7M | $14.6M | +75.9% | 0.697% | 0.00% |
| 8 | NOMURA ASSET MANAGEMENT INTERNATIONAL INC. | 1.6M | $13.6M | -2.1% | 0.651% | 0.02% |
| 9 | STATE STREET CORP | 899K | $7.9M | -0.6% | 0.376% | 0.00% |
| 10 | SUSQUEHANNA INTERNATIONAL GROUP, LLP | 821K | $7.2M | -53.1% | 0.343% | 0.00% |
| 11 | O'SHAUGHNESSY ASSET MANAGEMENT, LLC | 791K | $6.9M | +26.0% | 0.331% | 0.03% |
| 12 | UBS Group AG | 732K | $6.4M | -54.1% | 0.306% | 0.00% |
| 13 | AMERICAN CENTURY COMPANIES INC | 724K | $6.3M | +0.4% | 0.303% | 0.00% |
| 14 | DIMENSIONAL FUND ADVISORS LP | 706K | $6.2M | -14.1% | 0.295% | 0.00% |
| 15 | Quinn Opportunity Partners LLC | 639K | $5.6M | 0.0% | 0.267% | 0.29% |
| 16 | D. E. Shaw & Co., Inc. | 635K | $5.6M | -3.8% | 0.266% | 0.01% |
| 17 | SEI INVESTMENTS CO | 585K | $5.1M | +39.6% | 0.245% | 0.00% |
| 18 | NEW YORK STATE COMMON RETIREMENT FUND | 564K | $4.9M | +1.1% | 0.236% | 0.01% |
| 19 | TWO SIGMA INVESTMENTS, LP | 536K | $4.7M | +1170.6% | 0.224% | 0.00% |
| 20 | Long Corridor Asset Management Ltd | 530K | $4.6M | β | 0.222% | 1.13% |
| 21 | Invesco Ltd. | 503K | $4.4M | +2.2% | 0.210% | 0.00% |
| 22 | PRUDENTIAL FINANCIAL INC | 467K | $4.1M | -1.8% | 0.195% | 0.01% |
| 23 | Russell Investments Group, Ltd. | 459K | $4.0M | +1.8% | 0.192% | 0.00% |
| 24 | FIRST TRUST ADVISORS LP | 349K | $3.1M | -13.3% | 0.146% | 0.00% |
| 25 | E Fund Management Co., Ltd. | 348K | $3.0M | β | 0.145% | 0.09% |
denotes a marquee investor (Buffett, Burry, ARK, Tiger Global, Pershing Square, Baupost and other widely-followed managers). β% of Fundβ shows how much of that investorβs total 13F portfolio is invested in WB β a direct measure of their conviction.
Filings activity in WB during Q1 2026, grouped by how each filer changed its position.
Institutions that opened a new WB position in Q1 2026
Institutions that fully closed their WB position in Q1 2026
8 quarters of 13F filings Β· Ξ columns show change vs prior quarter
| Quarter | Inst. Holders | Ξ Holders | Ownership % | Ξ Ownership | Total 13F Value | Ξ Value |
|---|---|---|---|---|---|---|
| Q1 2026 | 141 | 0.7% | 18.93% | 5.26 pp | $346M | 22% |
| Q4 2025 | 142 | +2.2% | 24.19% | 9.07 pp | $442M | 27% |
| Q3 2025 | 139 | 2.8% | 33.26% | 13.39 pp | $608M | 29% |
| Q2 2025 | 143 | 1.4% | 46.65% | +18.46 pp | $852M | +66% |
| Q1 2025 | 145 | 2.0% | 28.19% | 4.28 pp | $515M | 13% |
| Q4 2024 | 148 | +23% | 32.47% | +0.42 pp | $593M | +1.3% |
| Q3 2024 | 120 | 9.1% | 32.05% | +2.62 pp | $585M | +8.9% |
| Q2 2024 | 132 | β | 29.43% | β | $537M | β |
Source: SEC 13F institutional filings. Ownership % requires market cap data and will show once linked. Ξ columns compare to the immediately prior filed quarter.
Quick answers to the most common questions about buying WB stock.
Based on Q1 2026 13F filings, institutional ownership of Weibo Corporation stands at 18.9%, held across 141 reporting institutions.
Alibaba Group Holding Ltd is the largest reported institutional holder of WB, with approximately 9,000,000 shares worth $0.08B as of Q1 2026.
Yes β 2 widely-followed marquee investors appear among the top 25 institutional holders of WB, including SUSQUEHANNA INTERNATIONAL GROUP, LLP, TWO SIGMA INVESTMENTS, LP.
Our composite Smart Money Score for WB is 41 out of 100 (Neutral). It combines net institutional buying activity, ownership shift, marquee investor presence, and holder-count growth.
22 institutions opened new positions in WB during Q1 2026, while 23 fully exited. 30 added to existing positions and 86 trimmed.
WB institutional ownership fell by 5.26 percentage points quarter-over-quarter, with a net change of -1 holders.
The top 10 institutions account for 66.8% of all reported 13F value in WB, and the top 25 account for 88.4%.
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.
Weibo Corporation (WB) Institutional Ownership