WB Institutional Ownership & Shareholders
WEIBO CORP-SPON ADR (WB) is currently held by 125 institutional investors tracked by InsiderSet, with a combined reported market value of approximately $326.86M based on the latest available SEC Form 13F filings for the quarter ended June 30, 2026.
Alibaba Group Holding Ltd is currently the largest disclosed institutional shareholder of WB tracked by InsiderSet, reporting ownership valued at approximately $65.34M in its June 30, 2026 SEC Form 13F filing. Based on current market prices and the latest disclosed share count, the position is now estimated to be worth approximately $57.15M, representing an estimated loss of -12.53% since the filing period.
The top 10 institutional shareholders tracked on this page collectively account for approximately 68% of the total disclosed WB value among the investors covered in this analysis. Major shareholders include Alibaba Group Holding Ltd, Acadian Asset Management Llc, Krane Funds Advisors Llc, and several other long-term asset managers with concentrated positions in WEIBO CORP-SPON ADR (WB).
This page ranks the largest institutional WB shareholders using publicly disclosed SEC Form 13F data, including reported values, estimated current holding values, portfolio allocation percentages, ownership concentration metrics, and historical holding changes across major hedge funds and investment firms.
Institutional Holders
125
Total Reported Value
$326.86M
Largest Holder
Alibaba Group Holding Ltd
Largest Position
$65.34M
Insider Transactions (90d)
5
Latest Filing Quarter
Q2 2026
New Institutional Positions
99
Funds Exiting Positions
0
| Name | Investor/Manager | Portfolio % | Quantity | Reported Balance | Current Estimated Value | Gain/loss Since Filing | Estimated Portfolio Performance |
|---|---|---|---|---|---|---|---|
| Alibaba Group Holding Ltd | 12.83% | 9,000,000 | $65,340,000 | $57,150,000 | -$8,190,000 | -12.53% | |
| Acadian Asset Management Llc | 0.04% | 5,053,606 | $36,664,000 | $32,090,398 | -$4,573,602 | -12.47% | |
| Krane Funds Advisors Llc | 0.91% | 3,522,391 | $25,572,559 | $22,367,183 | -$3,205,376 | -12.53% | |
| Saba Capital Management, L.P. | 0.69% | 3,107,526 | $22,560,639 | $19,732,790 | -$2,827,849 | -12.53% | |
| Wellington Management Group Llp | 0.00% | 2,363,373 | $17,158,087 | $15,007,419 | -$2,150,668 | -12.53% | |
| Causeway Capital Management | Sarah Ketterer | 0.18% | 2,317,577 | $16,825,609 | $14,716,614 | -$2,108,995 | -12.53% |
| Fil Ltd | 0.01% | 1,736,726 | $12,608,630 | $11,028,210 | -$1,580,420 | -12.53% | |
| Nomura Asset Management International Inc. | 0.02% | 1,512,995 | $10,984,000 | $9,607,518 | -$1,376,482 | -12.53% | |
| Goldman Sachs Group Inc | 0.00% | 1,199,578 | $8,708,933 | $7,617,320 | -$1,091,613 | -12.53% | |
| Ubs Group Ag | 0.00% | 975,555 | $7,082,529 | $6,194,774 | -$887,755 | -12.53% | |
| New York State Common Retirement Fund | 0.01% | 781,049 | $5,670,416 | $4,959,661 | -$710,755 | -12.53% | |
| O'Shaughnessy Asset Management, Llc | 0.02% | 722,003 | $5,241,742 | $4,584,719 | -$657,023 | -12.53% | |
| American Century Companies Inc | 0.00% | 691,548 | $5,020,638 | $4,391,330 | -$629,308 | -12.53% | |
| Sei Investments Co | 0.00% | 666,104 | $4,835,898 | $4,229,760 | -$606,138 | -12.53% | |
| Prudential Financial Inc | 0.01% | 657,700 | $4,774,902 | $4,176,395 | -$598,507 | -12.53% | |
| Susquehanna International Group, Llp | 0.00% | 650,193 | $4,720,401 | $4,128,726 | -$591,675 | -12.53% | |
| D. E. Shaw & Co., Inc. | 0.00% | 644,960 | $4,682,410 | $4,095,496 | -$586,914 | -12.53% | |
| Quinn Opportunity Partners Llc | 0.22% | 638,745 | $4,637,289 | $4,056,031 | -$581,258 | -12.53% | |
| State Street Corp | 0.00% | 607,923 | $4,413,521 | $3,860,311 | -$553,210 | -12.53% | |
| Dimensional Fund Advisors Lp | 0.00% | 579,141 | $4,204,844 | $3,677,545 | -$527,299 | -12.54% | |
| Russell Investments Group, Ltd. | 0.00% | 515,529 | $3,742,740 | $3,273,609 | -$469,131 | -12.53% | |
| Long Corridor Asset Management Ltd | 1.10% | 500,000 | $3,630,000 | $3,175,000 | -$455,000 | -12.53% | |
| First Trust Advisors Lp | 0.00% | 420,231 | $3,050,877 | $2,668,467 | -$382,410 | -12.53% | |
| Linden Advisors Lp | 0.01% | 387,090 | $2,810,273 | $2,458,022 | -$352,252 | -12.53% | |
| Invesco Ltd. | 0.00% | 380,408 | $2,761,762 | $2,415,591 | -$346,171 | -12.53% | |
| Legal & General Group Plc | 0.00% | 368,354 | $2,676,089 | $2,339,048 | -$337,041 | -12.59% | |
| E Fund Management Co., Ltd. | 0.06% | 360,379 | $2,616,352 | $2,288,407 | -$327,945 | -12.53% | |
| Millennium Management Llc | 0.00% | 282,839 | $2,053,411 | $1,796,028 | -$257,383 | -12.53% | |
| Public Employees Retirement System Of Ohio | 0.01% | 275,409 | $1,999,469 | $1,748,847 | -$250,622 | -12.53% | |
| Commonwealth Of Pennsylvania Public School Empls Retrmt Sys | 0.01% | 300,807 | $1,943,213 | $1,910,124 | -$33,089 | -1.70% | |
| Bnp Paribas Financial Markets | 0.00% | 235,690 | $1,711,109 | $1,496,632 | -$214,478 | -12.53% | |
| Trexquant Investment Lp | 0.01% | 229,393 | $1,665,393 | $1,456,646 | -$208,747 | -12.53% | |
| Two Sigma Investments, Lp | 0.00% | 224,605 | $1,630,632 | $1,426,242 | -$204,390 | -12.53% | |
| Jane Street Group, Llc | 0.00% | 207,045 | $1,503,146 | $1,314,736 | -$188,410 | -12.53% | |
| Aia Group Ltd | 0.02% | 207,300 | $1,339,158 | $1,316,355 | -$22,803 | -1.70% | |
| Morgan Stanley | 0.00% | 179,106 | $1,300,315 | $1,137,323 | -$162,992 | -12.53% | |
| Hrt Financial Lp | 0.00% | 169,763 | $1,232,000 | $1,077,995 | -$154,005 | -12.50% | |
| Blackrock, Inc. | 0.00% | 169,633 | $1,231,539 | $1,077,170 | -$154,369 | -12.53% | |
| Dgs Capital Management, Llc | 0.18% | 127,750 | $1,117,813 | $811,213 | -$306,601 | -27.43% | |
| Headlands Technologies Llc | 0.09% | 119,350 | $866,481 | $757,873 | -$108,609 | -12.53% | |
| Bank Of America Corp | 0.00% | 105,939 | $769,117 | $672,713 | -$96,404 | -12.53% | |
| Ubs Am, A Distinct Business Unit Of Ubs Asset Management Americas Llc | 0.00% | 85,319 | $746,541 | $541,776 | -$204,765 | -27.43% | |
| Squarepoint Ops Llc | 0.00% | 101,006 | $733,304 | $641,388 | -$91,916 | -12.53% | |
| Allianz Asset Management Gmbh | 0.00% | 100,494 | $729,586 | $638,137 | -$91,449 | -12.53% | |
| Vident Advisory, Llc | 0.00% | 79,228 | $575,195 | $503,098 | -$72,097 | -12.53% | |
| Glenorchy Capital Ltd | 0.35% | 77,498 | $562,638 | $492,112 | -$70,526 | -12.53% | |
| Citigroup Inc | 0.00% | 70,719 | $513,420 | $449,066 | -$64,354 | -12.53% | |
| Police & Firemen'S Retirement System Of New Jersey | 0.00% | 68,654 | $498,428 | $435,953 | -$62,475 | -12.53% | |
| Jump Financial, Llc | 0.00% | 62,994 | $457,336 | $400,012 | -$57,324 | -12.53% | |
| Caprock Group, Llc | 0.01% | 62,572 | $454,273 | $397,332 | -$56,941 | -12.53% |
Frequently asked questions about WB
Who are the largest institutional holders of WB?
The largest institutional holders of WB reported in the latest SEC Form 13F filings include Alibaba Group Holding Ltd, Acadian Asset Management Llc, Krane Funds Advisors Llc, Saba Capital Management, L.P., and Wellington Management Group Llp. InsiderSet ranks institutional holders by their latest reported WB position.
What is WB institutional ownership?
This page tracks WB positions reported by institutional investment managers through SEC Form 13F. WEIBO CORP-SPON ADR (WB) institutional ownership on InsiderSet reflects disclosed 13F holdings among the managers we analyze, not every shareholder of the stock.
How many institutions own WB?
InsiderSet currently tracks 125 institutional managers reporting WB holdings in the latest available 13F data. This count reflects institutions included in the SEC Form 13F filings analyzed by InsiderSet and should not be interpreted as the total number of WB shareholders.
How much WB stock do institutions own?
Institutional investment managers disclosed approximately $326.86M in WB holdings for Q2 2026. This figure is reported 13F value as of the filing period, not necessarily today's market value.
When was WB institutional ownership last updated?
The latest WB institutional ownership data on InsiderSet is based on SEC Form 13F filings for the quarter ended June 30, 2026. Form 13F filings are generally reported after the quarter ends, so the holdings shown represent the latest publicly disclosed positions rather than real-time institutional holdings.
Are institutional WB holdings real-time?
No. Form 13F data is not real-time. It represents positions reported by institutional investment managers as of the end of the reporting quarter. An institution may have changed its WB position after the reporting date.
Are institutions buying or selling WB?
Institutional buying and selling can be analyzed by comparing WB positions across consecutive 13F reporting periods. InsiderSet's WB Ownership Changes page shows institutions that increased, reduced, initiated, or exited positions based on reported 13F holdings. View WB ownership changes.
How has WB institutional ownership changed over time?
InsiderSet tracks WB institutional holdings across multiple 13F reporting periods, allowing investors to compare institutional holder counts, reported value, and reported shares over time.