WEIBO Corp (WB) Institutional Ownership

Institutions by Trading Activity

Ownership Statistics

260,887,805Shares Outstanding

13,581,650Shares held by institutions

$135,137,418Value of institutional holdings

22.90%Institutional ownership %

2.73%Shares Changed QoQ

147No. of institutional investors

Shares Owned by Institutions

Shares Purchased/Sold by Institutions

Ownership Summary

A total of 135 institutions have reported a stake in WEIBO Corp (NASDAQ:WB) as of December 2025, according to recent 13F filings with the SEC.

Weibo saw its institutional ownership percentage fell to 17.8% in December 2025 from 20.3% in September 2025.
Quarterly data indicates a -0.52% shift in institutional share volume, and the annual owner count reflects a decrease of 10.00%.
Of these 135 institutional investors, 68 increased their holdings in Weibo, while 42 of them reduced positions, and 25 investors maintained their exposure.
Collectively, institutional investors decreased their stake in Weibo to 47.39Mn shares as of December 2025, a change that is down by 248.97K shares quarter on quarter and down 20.21Mn shares year over year.
Alibaba Group Holding Ltd's holding of 9.00Mn shares as of December 31, 2025 makes it the primary institutional investor in Weibo, owning 3.38% of the stock.
Among the most significant buyers of Weibo during December 2025 were FIL Ltd (1.63Mn), NOMURA ASSET MANAGEMENT INTERNATIONAL INC. (1.59Mn), Alpine Investment Management Ltd (386.00K), Walleye Trading LLC (284.80K), Qube Research & Technologies Ltd (249.91K).
Leading sellers of Weibo stock in December 2025 included BlackRock, Inc. (2.62Mn), BANK OF AMERICA CORP /DE/ (756.54K), SCHRODER INVESTMENT MANAGEMENT GROUP (617.55K), Grantham, Mayo, Van Otterloo & Co. LLC (408.66K), Krane Funds Advisors LLC (401.98K).
The top 10 institutional holders of Weibo for the quarter ending December 2025 included Alibaba Group Holding Ltd (9.00Mn), ACADIAN ASSET MANAGEMENT LLC (5.86Mn), Krane Funds Advisors LLC (4.27Mn), CAUSEWAY CAPITAL MANAGEMENT LLC (2.99Mn), Saba Capital Management, L.P. (2.02Mn), FIL Ltd (1.63Mn), UBS Group AG (1.60Mn), NOMURA ASSET MANAGEMENT INTERNATIONAL INC. (1.59Mn), GOLDMAN SACHS GROUP INC (1.48Mn), WELLINGTON MANAGEMENT GROUP LLP (946.85K).

135 Institutional Holders

13,581,650 Total Shares Held

Rows:

Download Data

Owner Name	Date	Shares Held	Change (QoQ)	Change (%)	Value (USD)
Alibaba Group Holding Ltd	31 Dec, 2025	9,000,000	0	0.00%	$91,980,000.00
ACADIAN ASSET MANAGEMENT LLC	31 Dec, 2025	5,858,877	-1,022	-0.02%	$59,854.00
Krane Funds Advisors LLC	31 Dec, 2025	4,274,081	-401,982	-8.60%	$43,681,108.00
CAUSEWAY CAPITAL MANAGEMENT LLC	31 Dec, 2025	2,992,234	39,985	1.35%	$30,580,631.00
Saba Capital Management, L.P.	31 Dec, 2025	2,015,063	0	0.00%	$20,593,944.00
FIL Ltd	31 Dec, 2025	1,633,387	1,633,387	0.00%	$16,693,215.00
UBS Group AG	31 Dec, 2025	1,596,371	218,666	15.87%	$16,314,912.00
NOMURA ASSET MANAGEMENT INTERNATIONAL INC.	31 Dec, 2025	1,589,558	1,589,558	0.00%	$16,245,813.00
GOLDMAN SACHS GROUP INC	31 Dec, 2025	1,480,621	112,349	8.21%	$15,131,942.00
WELLINGTON MANAGEMENT GROUP LLP	31 Dec, 2025	946,846	-208,730	-18.06%	$9,676,766.00
STATE STREET CORP	31 Dec, 2025	905,002	-342,683	-27.47%	$9,248,581.00
DIMENSIONAL FUND ADVISORS LP	31 Dec, 2025	821,887	-8,508	-1.02%	$8,397,235.00
Qube Research & Technologies Ltd	31 Dec, 2025	735,046	249,913	51.51%	$7,512,170.00
JANE STREET GROUP, LLC	31 Dec, 2025	729,940	-131,100	-15.23%	$7,459,986.00
TWO SIGMA ADVISERS, LP	31 Dec, 2025	723,588	-92,600	-11.35%	$7,395,069.00
AMERICAN CENTURY COMPANIES INC	31 Dec, 2025	721,116	67,358	10.30%	$7,369,806.00
D. E. Shaw & Co., Inc.	31 Dec, 2025	660,244	32,159	5.12%	$6,747,694.00
Quinn Opportunity Partners LLC	31 Dec, 2025	638,745	-55,000	-7.93%	$6,527,974.00
Grantham, Mayo, Van Otterloo & Co. LLC	31 Dec, 2025	637,145	-408,656	-39.08%	$6,511,622.00
O'SHAUGHNESSY ASSET MANAGEMENT, LLC	31 Dec, 2025	627,978	220,428	54.09%	$6,417,935.00

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