WB
WEIBO CorpCompany with tickers: WB, WEIBF
CIK
1595761
CUSIP
948596101
Shares Outstanding
157,850,548
13F Activity (30d)
138 filings
117 filers
Institutional ownership from SEC Form 13F filings. Investment managers with more than $100 million in U.S. equities must disclose their positions every quarter, within 45 days of quarter-end, so the holdings shown can lag the market by up to a quarter.
Holders: 144
Total Value: $401,535,134
Total Shares: 45,889,738
Showing 1–100
of 150 holdings by value
· page 1 of 2
Institutional Ownership Trend
Holder Concentration
Across 144 13F filers · Δ vs Dec 31, 2025Top Holder
19.6%
+1.7 pts
Top 5
51.2%
+3.1 pts
Top 10
67.8%
+3.7 pts
HHI
752
Broadly held
+84
Quarterly Activity
vs Dec 31, 2025
New
20
Increased
41
Decreased
62
Sold Out
23
Unchanged
21
Holder count:
-3
Institutional value:
-21.8%
Shares held:
-8.7%
Top Buyers
vs Dec 31, 2025| Institution | Added | Now Holds | Open |
|---|---|---|---|
| Mega WELLINGTON MANAGEMENT GROUP LLP | +718,749 | 1,665,595 | |
| Mega TWO SIGMA INVESTMENTS, LP | +493,988 | 536,188 | |
| Mid Saba Capital Management, L.P. | +422,294 | 2,437,357 | |
| Mega GOLDMAN SACHS GROUP INC | +217,729 | 1,698,350 | |
| Mega FIL Ltd | +165,984 | 1,799,371 |
Top Sellers
vs Dec 31, 2025| Institution | Sold | Now Holds | Open |
|---|---|---|---|
| Mega SUSQUEHANNA INTERNATIONAL GROUP, LLP | −928,500 | 820,593 | |
| Mega UBS Group AG | −864,115 | 732,256 | |
| Mega JANE STREET GROUP, LLC | −473,505 | 256,435 | |
| Mid Krane Funds Advisors LLC | −453,786 | 3,820,295 | |
| Large Qube Research & Technologies Ltd | −419,053 | 315,993 |
Top New Positions
vs Dec 31, 2025| Institution | Acquired | Value (USD) | Open |
|---|---|---|---|
| Small Long Corridor Asset Management Ltd | 530,000 | $4,637,500 | |
| Mid E Fund Management Co., Ltd. | 347,718 | $3,042,532 | |
| Mega UBS AM, a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC | 85,319 | $746,541 | |
| Large Squarepoint Ops LLC | 65,175 | $570,281 | |
| Large HRT FINANCIAL LP | 57,162 | $500,167 |
Top Sold-Out Positions
vs Dec 31, 2025| Institution | Previously Held | Last Value (USD) | Open |
|---|---|---|---|
| Large TWO SIGMA ADVISERS, LP | 723,588 | $7,395,069 | |
| Large Grantham, Mayo, Van Otterloo & Co. LLC | 637,145 | $6,511,621 | |
| Large PEAK6 LLC | 392,600 | $4,012,372 | |
| Small Alpine Investment Management Ltd | 386,000 | $3,944,920 | |
| Small Redhawk Wealth Advisors, Inc. | 105,795 | $1,081,224 |
| Holder | Value (USD) | % of 13F | Shares | Type | Discretion | Filed | Open | |||
|---|---|---|---|---|---|---|---|---|---|---|
| Small Alibaba Group Holding Ltd | $78,750,000 | 19.61% | 9,000,000 | Shares | Sole | 2026-05-15 | ||||
| Large ACADIAN ASSET MANAGEMENT LLC | $48,699,656 | 12.13% | 5,565,675 | Shares | Defined | 2026-05-13 | ||||
| Mid Krane Funds Advisors LLC | $33,427,581 | 8.32% | 3,820,295 | Shares | Sole | 2026-05-11 | ||||
| Mid CAUSEWAY CAPITAL MANAGEMENT LLC | $23,329,267 | 5.81% | 2,666,202 | Shares | Sole | 2026-05-14 | ||||
| Mid Saba Capital Management, L.P. | $21,326,873 | 5.31% | 2,437,357 | Shares | Sole | 2026-05-15 | ||||
| Mega FIL Ltd | $15,744,496 | 3.92% | 1,799,371 | Shares | Defined | 2026-05-15 | ||||
| Mega GOLDMAN SACHS GROUP INC | $14,860,561 | 3.70% | 1,698,350 | Shares | Defined | 2026-05-15 | ||||
| Mega WELLINGTON MANAGEMENT GROUP LLP | $14,573,953 | 3.63% | 1,665,595 | Shares | Defined | 2026-05-15 | ||||
| Large NOMURA ASSET MANAGEMENT INTERNATIONAL INC. | $13,616,863 | 3.39% | 1,556,213 | Shares | Defined | 2026-05-15 | ||||
| Mega STATE STREET CORP | $7,870,073 | 1.96% | 899,437 | Shares | Defined | 2026-05-15 | ||||
| Large O'SHAUGHNESSY ASSET MANAGEMENT, LLC | $6,923,848 | 1.72% | 791,297 | Shares | Sole | 2026-05-13 | ||||
| Mega UBS Group AG | $6,407,239 | 1.60% | 732,256 | Shares | Defined | 2026-05-05 | ||||
| Mega AMERICAN CENTURY COMPANIES INC | $6,336,995 | 1.58% | 724,228 | Shares | Defined | 2026-05-15 | ||||
| Mega DIMENSIONAL FUND ADVISORS LP | $6,178,164 | 1.54% | 706,076 | Shares | Sole | 2026-05-07 | ||||
| Mega SUSQUEHANNA INTERNATIONAL GROUP, LLP | $5,863,313 | 1.46% | 670,093 | Shares | Other | 2026-05-15 | ||||
| Mid Quinn Opportunity Partners LLC | $5,589,018 | 1.39% | 638,745 | Shares | Sole | 2026-05-15 | ||||
| Mega D. E. Shaw & Co., Inc. | $5,558,490 | 1.38% | 635,256 | Shares | Defined | 2026-05-15 | ||||
| Large SEI INVESTMENTS CO | $5,114,873 | 1.27% | 584,557 | Shares | Sole | 2026-05-13 | ||||
| Large NEW YORK STATE COMMON RETIREMENT FUND Pension | $4,934,553 | 1.23% | 563,949 | Shares | Sole | 2026-05-06 | ||||
| Mega TWO SIGMA INVESTMENTS, LP | $4,691,645 | 1.17% | 536,188 | Shares | Sole | 2026-05-15 | ||||
| Small Long Corridor Asset Management Ltd | $4,637,500 | 1.15% | 530,000 | Shares | Sole | 2026-05-12 | ||||
| Mega Invesco Ltd. | $4,400,645 | 1.10% | 502,931 | Shares | Defined | 2026-05-12 | ||||
| Large PRUDENTIAL FINANCIAL INC | $4,087,125 | 1.02% | 467,100 | Shares | Defined | 2026-05-13 | ||||
| Large Russell Investments Group, Ltd. | $4,015,663 | 1.00% | 458,933 | Shares | Other | 2026-05-08 | ||||
| Mega FIRST TRUST ADVISORS LP | $3,055,963 | 0.76% | 349,253 | Shares | Sole | 2026-05-13 | ||||
| Mid E Fund Management Co., Ltd. | $3,042,532 | 0.76% | 347,718 | Shares | Sole | 2026-04-13 | ||||
| Large Qube Research & Technologies Ltd | $2,764,938 | 0.69% | 315,993 | Shares | Sole | 2026-05-15 | ||||
| Large COMMONWEALTH OF PENNSYLVANIA PUBLIC SCHOOL EMPLS RETRMT SYS | $2,632,061 | 0.66% | 300,807 | Shares | Sole | 2026-05-01 | ||||
| Large PUBLIC EMPLOYEES RETIREMENT SYSTEM OF OHIO Pension | $2,482,803 | 0.62% | 283,749 | Shares | Sole | 2026-05-14 | ||||
| Mega Legal & General Group Plc | $2,143,216 | 0.53% | 244,939 | Shares | Defined | 2026-05-08 | ||||
| Mega MORGAN STANLEY | $2,033,408 | 0.51% | 232,390 | Shares | Defined | 2026-05-15 | ||||
| Large VOLORIDGE INVESTMENT MANAGEMENT, LLC | $2,012,762 | 0.50% | 230,030 | Shares | Sole | 2026-05-15 | ||||
| Mega CITADEL ADVISORS LLC | $1,831,375 | 0.46% | 209,300 | Put | Defined | 2026-05-15 | ||||
| Large Mitsubishi UFJ Trust & Banking Corp | $1,786,951 | 0.45% | 204,223 | Shares | Defined | 2026-05-12 | ||||
| Mid Jump Financial, LLC | $1,733,270 | 0.43% | 198,088 | Shares | Defined | 2026-05-14 | ||||
| Micro XY Capital Ltd | $1,554,096 | 0.39% | 177,611 | Shares | Sole | 2026-05-12 | ||||
| Mega JANE STREET GROUP, LLC | $1,528,054 | 0.38% | 174,635 | Shares | Defined | 2026-05-12 | ||||
| Mega SUSQUEHANNA INTERNATIONAL GROUP, LLP | $1,316,875 | 0.33% | 150,500 | Put | Other | 2026-05-15 | ||||
| Large Allianz Asset Management GmbH | $1,184,636 | 0.30% | 135,387 | Shares | Defined | 2026-05-11 | ||||
| Small DGS Capital Management, LLC | $1,117,812 | 0.28% | 127,750 | Shares | Sole | 2026-04-28 | ||||
| Small VIRTUS ADVISERS, LLC | $1,092,866 | 0.27% | 124,899 | Shares | Other | 2026-05-14 | ||||
| Mega JPMORGAN CHASE & CO | $983,412 | 0.24% | 112,390 | Shares | Defined | 2026-05-13 | ||||
| Mid AIA Group Ltd | $906,316 | 0.23% | 103,579 | Shares | Defined | 2026-05-06 | ||||
| Mid Caprock Group, LLC | $837,908 | 0.21% | 95,761 | Shares | Sole | 2026-05-11 | ||||
| Large Vident Advisory, LLC | $833,454 | 0.21% | 95,252 | Shares | Defined | 2026-05-15 | ||||
| Mid EDMOND DE ROTHSCHILD HOLDING S.A. | $828,388 | 0.21% | 94,673 | Shares | Sole | 2026-05-13 | ||||
| Large Police & Firemen's Retirement System of New Jersey Pension | $768,967 | 0.19% | 87,882 | Shares | Defined | 2026-04-29 | ||||
| Mega UBS AM, a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC | $746,541 | 0.19% | 85,319 | Shares | Sole | 2026-05-13 | ||||
| Mega BlackRock, Inc. | $721,112 | 0.18% | 82,413 | Shares | Sole | 2026-05-13 | ||||
| Mega JANE STREET GROUP, LLC | $715,750 | 0.18% | 81,800 | Call | Defined | 2026-05-12 | ||||
| Mega CITIGROUP INC | $606,926 | 0.15% | 69,363 | Shares | Defined | 2026-05-11 | ||||
| Mid Glenorchy Capital Ltd | $599,392 | 0.15% | 68,502 | Shares | Sole | 2026-05-14 | ||||
| Large Squarepoint Ops LLC | $570,281 | 0.14% | 65,175 | Shares | Defined | 2026-05-15 | ||||
| Mega NORTHERN TRUST CORP Bank | $536,628 | 0.13% | 61,329 | Shares | Defined | 2026-05-14 | ||||
| Large HRT FINANCIAL LP | $500,167 | 0.12% | 57,162 | Shares | Defined | 2026-05-14 | ||||
| Large OMERS ADMINISTRATION Corp | $463,137 | 0.12% | 52,930 | Shares | Sole | 2026-05-15 | ||||
| Large Verition Fund Management LLC | $462,017 | 0.12% | 52,802 | Shares | Sole | 2026-05-15 | ||||
| Mid ARGA Investment Management, LP | $456,365 | 0.11% | 52,156 | Shares | Sole | 2026-04-30 | ||||
| Mega GEODE CAPITAL MANAGEMENT, LLC | $439,206 | 0.11% | 50,195 | Shares | Defined | 2026-05-15 | ||||
| Small Headlands Technologies LLC | $417,751 | 0.10% | 47,743 | Shares | Sole | 2026-05-13 | ||||
| Large US BANCORP \DE\ Bank | $408,581 | 0.10% | 46,695 | Shares | Defined | 2026-05-15 | ||||
| Small LVW Advisors, LLC | $403,576 | 0.10% | 46,123 | Shares | Sole | 2026-04-20 | ||||
| Small Kathmere Capital Management, LLC | $396,838 | 0.10% | 45,353 | Shares | Sole | 2026-04-28 | ||||
| Large Handelsbanken Fonder AB | $368,725 | 0.09% | 42,140 | Shares | Sole | 2026-04-28 | ||||
| Mega BANK OF AMERICA CORP /DE/ Bank | $308,936 | 0.08% | 35,307 | Shares | Defined | 2026-05-18 | ||||
| Large Mariner, LLC | $307,448 | 0.08% | 35,137 | Shares | Sole | 2026-05-13 | ||||
| Mega CITADEL ADVISORS LLC | $298,375 | 0.07% | 34,100 | Call | Defined | 2026-05-15 | ||||
| Large CIBC WORLD MARKET INC. | $297,613 | 0.07% | 34,013 | Shares | Sole | 2026-05-14 | ||||
| Large MIRAE ASSET GLOBAL ETFS HOLDINGS Ltd. Mutual Fund | $294,778 | 0.07% | 33,689 | Shares | Defined | 2026-05-15 | ||||
| Mid Savant Capital, LLC | $288,723 | 0.07% | 32,997 | Shares | Sole | 2026-05-04 | ||||
| Mid Vanguard Personalized Indexing Management, LLC | $283,622 | 0.07% | 32,414 | Shares | Sole | 2026-05-14 | ||||
| Large Walleye Trading LLC | $272,125 | 0.07% | 31,100 | Call | Sole | 2026-05-11 | ||||
| Large Walleye Trading LLC | $271,250 | 0.07% | 31,000 | Put | Sole | 2026-05-11 | ||||
| Mid Vest Financial, LLC | $257,757 | 0.06% | 29,458 | Shares | Defined | 2026-04-24 | ||||
| Mega AMERIPRISE FINANCIAL INC | $241,893 | 0.06% | 27,645 | Shares | Defined | 2026-05-15 | ||||
| Small D'Orazio & Associates, Inc. | $234,386 | 0.06% | 26,787 | Shares | Sole | 2026-05-07 | ||||
| Micro JMN Financial LLC | $224,577 | 0.06% | 25,666 | Shares | Sole | 2026-05-15 | ||||
| Mid WOLVERINE ASSET MANAGEMENT LLC | $221,077 | 0.06% | 25,266 | Shares | Defined | 2026-05-04 | ||||
| Micro Resolute Advisors LLC | $192,500 | 0.05% | 22,000 | Shares | Sole | 2026-05-07 | ||||
| Mega CITADEL ADVISORS LLC | $182,463 | 0.05% | 20,853 | Shares | Defined | 2026-05-15 | ||||
| Large Vontobel Holding Ltd. | $178,998 | 0.04% | 20,457 | Shares | Defined | 2026-05-08 | ||||
| Mid QRG CAPITAL MANAGEMENT, INC. | $178,281 | 0.04% | 20,375 | Shares | Sole | 2026-04-27 | ||||
| Mid Vise Technologies, Inc. | $178,132 | 0.04% | 20,358 | Shares | Sole | 2026-04-21 | ||||
| Large Pathstone Holdings, LLC | $177,502 | 0.04% | 20,286 | Shares | Sole | 2026-05-11 | ||||
| Large Balyasny Asset Management L.P. | $172,987 | 0.04% | 19,770 | Shares | Sole | 2026-05-15 | ||||
| Mid XTX Topco Ltd | $170,170 | 0.04% | 19,448 | Shares | Defined | 2026-05-15 | ||||
| Large CANADA LIFE ASSURANCE Co Insurance | $163,397 | 0.04% | 18,674 | Shares | Sole | 2026-05-14 | ||||
| Large SG Americas Securities, LLC Broker-Dealer | $149,712 | 0.04% | 17,110 | Shares | Sole | 2026-04-16 | ||||
| Mid IMC-Chicago, LLC | $142,922 | 0.04% | 16,334 | Shares | Sole | 2026-05-05 | ||||
| Small ATLAS CAPITAL ADVISORS INC. | $132,641 | 0.03% | 15,159 | Shares | Sole | 2026-05-11 | ||||
| Mega ENVESTNET ASSET MANAGEMENT INC | $132,370 | 0.03% | 15,128 | Shares | Sole | 2026-05-04 | ||||
| Large WEALTH ENHANCEMENT ADVISORY SERVICES, LLC | $131,993 | 0.03% | 15,085 | Shares | Sole | 2026-04-08 | ||||
| Mid Ascent Group, LLC | $117,713 | 0.03% | 13,453 | Shares | Other | 2026-05-15 | ||||
| Mid Virtu Financial LLC | $106,636 | 0.03% | 12,187 | Shares | Defined | 2026-05-14 | ||||
| Mid Campbell & CO Investment Adviser LLC | $102,506 | 0.03% | 11,715 | Shares | Sole | 2026-05-15 | ||||
| Mid Brooklyn Investment Group | $100,108 | 0.02% | 11,441 | Shares | Defined | 2026-04-29 | ||||
| Large Creative Planning | $91,070 | 0.02% | 10,408 | Shares | Sole | 2026-05-12 | ||||
| Mega MILLENNIUM MANAGEMENT LLC | $90,020 | 0.02% | 10,288 | Shares | Sole | 2026-05-15 | ||||
| Large Centiva Capital, LP | $88,935 | 0.02% | 10,164 | Shares | Sole | 2026-05-14 | ||||
| Mid GSA CAPITAL PARTNERS LLP | $87,998 | 0.02% | 10,057 | Shares | Sole | 2026-05-08 | ||||
| No holders match your search. | ||||||||||