WB Institutional Ownership
Who owns WEIBO Corp and what the big funds did with it last quarter, from every SEC 13F filing. 134 funds reported holding WB at Jun 30, 2026.
- ▼59 buying vs 70 selling
- ▲Shares held by funds +5.3%
- ▼Funds holding -9
- ●Superinvestors: 1 added, 1 cut
- ●Put/call not meaningful
What the filings show, not a forecast. Positions can be up to 45 days old and leave out short sales.
Funds holding and ownership
8 quartersQuarter over quarter
all 13F filers| Q2 2026 | This quarter | Q1 2026 | Change |
|---|---|---|---|
| Funds holding | 134 | 143 | −6.3% |
| In funds' top 10 | 2 | 1 | +100.0% |
| 13F shares | 47.8M | 45.4M | +5.3% |
| Held by funds | – | – | – |
| New positions | 13 | 20 | −35.0% |
| Increased | 46 | 41 | +12.2% |
| Reduced | 47 | 59 | −20.3% |
| Sold out | 23 | 17 | +35.3% |
| Calls (shares) | 33K | 31K | +5.1% |
| Puts (shares) | 6,300 | 31K | −79.7% |
| Put/call ratio | 0.19 | 1.00 | −80.7% |
Buyers vs sellers
adding or new vs cutting or sold outSuperinvestors in WB
All superinvestors →
Who owns WB
share of fund held shares- Index and passive funds5.6%
- Active managers and hedge funds80.3%
- Banks and brokers11.7%
- Pensions, insurers and other2.4%
The top 10 holders own 68.5% of all WB shares that funds reported. Groups are our own grouping of filers by name.
Put/call ratio
funds' options, market makers left outAbove 1 means funds hold more puts than calls, a sign of hedging or bets on a fall. Options are valued at the underlying shares.
Filed so far for Q3 2026
17 funds changed their position- Polunin Capital Partners LtdTrimmed−55K sh
- Vest Financial, LLCSold out−47K sh
- Ascent Group, LLCSold out−12K sh
- Kathmere Capital Management, LLCAdded+12K sh
- Vise Technologies, Inc.Sold out−11K sh
🔒 Free account: see all 17.
Top holders
Q2 2026| # | Fund | Of company | Shares | Value | Change |
|---|---|---|---|---|---|
| 1 | Alibaba Group Holding Ltd | – | 9M | $65.3M | 0 |
| 2 | Acadian Asset Management LLC | – | 5.1M | $36.7M | −512K |
| 3 | Krane Funds Advisors LLC | – | 3.5M | $25.6M | −298K |
| 4 | Saba Capital Management, L.P. | – | 3.1M | $22.6M | +670K |
| 5 | Polunin Capital Partners Ltd | – | 2.9M | $22.6M | +2.9M |
| 6 | Wellington Management Group LLP | – | 2.4M | $17.2M | +698K |
| 7 | Causeway Capital Management LLC | – | 2.3M | $16.8M | −349K |
| 8 | FIL Ltd | – | 1.7M | $12.6M | −63K |
| 9 | Nomura Asset Management International Inc. | – | 1.5M | $11M | −43K |
| 10 | Goldman Sachs Group Inc | – | 1.2M | $8.7M | −499K |
- Polunin Capital Partners Ltd+2.9M sh+$22.6M
- Wellington Management Group LLP+698K sh+$5.1M
- Saba Capital Management, L.P.+670K sh+$4.9M
- Linden Advisors LP+387K sh+$2.8M
- Millennium Management LLC+273K sh+$2M
- UBS Group AG+243K sh+$1.8M
- Bnp Paribas Financial Markets+230K sh+$1.7M
- Trexquant Investment LP+229K sh+$1.7M
- Acadian Asset Management LLC−512K sh−$3.7M
- Goldman Sachs Group Inc−499K sh−$3.6M
- Qube Research & Technologies Ltd−316K sh−$2.8M
- Commonwealth of Pennsylvania Public School Empls Retrmt Sys−301K sh−$2.6M
- Causeway Capital Management LLC−349K sh−$2.5M
- Two Sigma Investments, LP−312K sh−$2.3M
- Krane Funds Advisors LLC−298K sh−$2.2M
- State Street Corp−292K sh−$2.1M
WB institutional ownership FAQ
Who owns the most WB stock?
In Q2 2026 13F filings the largest holder of WB was Alibaba Group Holding Ltd, followed by Acadian Asset Management LLC and Krane Funds Advisors LLC. Index fund managers are usually the biggest holders of large companies.
What percentage of WB is owned by institutions?
134 funds reported holding 47.8M WB shares at Jun 30, 2026.
Are hedge funds buying WB?
In Q2 2026, 59 funds bought WB (13 of them new positions) and 70 sold (23 sold out completely). Among well known investors, 1 added and 1 cut. Our fund sentiment for WB is neutral.
What is WB's institutional put/call ratio?
Funds reported $46K of WB puts against $237K of calls, a put/call ratio of 0.19 (1.00 the quarter before). Market makers and bank trading desks are left out, since their options are mostly hedges.
How current is this WB ownership data?
13F filings show holdings at the end of each quarter and are due within 45 days, so positions can be up to six weeks old when they appear. We add each new filing within minutes, and the "filed so far" list shows funds that have already reported the next quarter.
For informational and educational purposes only. Not investment advice, and not a recommendation to buy or sell any security. Fund sentiment summarises what 13F filings show and is not a forecast. Holdings come from SEC Form 13F filings as reported and show positions at the end of the quarter, up to 45 days before the filing. A 13F leaves out short positions, cash, bonds and most foreign holdings. See all hedge fund holdings.