Weibo WB Institutional Ownership

NASDAQ WB

$6.84 -0.15 (-2.14%)

As of: Aug 31, 2026 · 3:59 PM EDT

Institutions by Trading Activity

136 Institutions

Increased 63 46.3%

Unchanged 27 19.9%

Reduced 46 33.8%

Ownership Statistics

13F · as of 30 Jun, 2026

Institutional Ownership

20.01%

▲+1.02 pp QoQ

Shares Held by Institutions

47.79Mn

of 238.79Mn outstanding

▲+8.57% QoQ

Shares Outstanding

238.79Mn

191.00Mn held outside 13F filers

Institutional Investors

136

filed 13F for Jun 2026

▼-8 vs prior quarter

Net Shares Added (QoQ)

+3.77Mn

accumulated since last quarter

Value of Holdings

$334.05Mn

reported market value

Shares Owned by Institutions

Shares held % of outstanding

Latest —

Average ownership —

Peak ownership —

Shares Purchased/Sold by Institutions

Accumulated Distributed

Latest quarter —

Net over range —

Accumulating quarters —

Ownership Summary

Quarter ending 30 Jun, 2026

WEIBO Corp (NASDAQ:WB) has 143 institutional investors with active 13F positions as of March 2026.

These investors collectively held 19.0% of Weibo's outstanding shares in March 2026, down from 20.5% in December 2025.
They decreased total shares held in Weibo by -2.84% from the prior quarter, while the number of investors in WB decreased 5.3% year over year.
Of these 143 funds, 64 grew their exposure to Weibo, 59 cut back, and 20 maintained positions.
Combined, these investors held 45.35Mn shares in WB for March 2026, down by 1.33Mn shares quarter on quarter, and down 23.09Mn shares year over year.
As of March 31, 2026, the biggest holder of Weibo is Alibaba Group Holding Ltd at 9.0Mn shares, representing 3.76% of shares outstanding.
Top purchasers of WB stock for the quarter ending March 2026 included WELLINGTON MANAGEMENT GROUP LLP (718.75K), Long Corridor Asset Management Ltd (530.0K), TWO SIGMA INVESTMENTS, LP (493.99K), Saba Capital Management, L.P. (422.29K), E Fund Management Co., Ltd. (347.72K).
The largest sellers of Weibo for the quarter ending March 2026 were Goldman Sachs Group Inc (1.26Mn), UBS Group AG (864.12K), Krane Funds Advisors LLC (453.79K), Qube Research & Technologies Ltd (419.05K), CAUSEWAY CAPITAL MANAGEMENT LLC (326.03K).
According to Business Quant data, leading holders of WB for March 2026 are Alibaba Group Holding Ltd (9.0Mn), ACADIAN ASSET MANAGEMENT LLC (5.57Mn), Krane Funds Advisors LLC (3.82Mn), CAUSEWAY CAPITAL MANAGEMENT LLC (2.67Mn), Saba Capital Management, L.P. (2.44Mn), FIL Ltd (1.8Mn), Goldman Sachs Group Inc (1.7Mn), WELLINGTON MANAGEMENT GROUP LLP (1.67Mn), NOMURA ASSET MANAGEMENT INTERNATIONAL INC. (1.56Mn), State Street Corp (899.44K).

Form 13F Holdings

136 Institutional Holders

Report period 30 Jun, 2026

Total shares held 47.79Mn

Of outstanding 20.01%

#	Institution	CIK	Shares Held	% of Outstanding	Change (QoQ)	Change (%)	Value (USD)
1	Alibaba Group Holding Ltd	0001577552	9,000,000	3.77%	0	0.00%	$65.34Mn
2	ACADIAN ASSET MANAGEMENT LLC	0000916542	5,053,606	2.12%	▼512,069	-9.20%	$36.66K
3	Krane Funds Advisors LLC	0001536592	3,522,391	1.48%	▼297,904	-7.80%	$25.57Mn
4	Saba Capital Management, L.P.	0001510281	3,107,526	1.30%	▲670,169	+27.50%	$22.56Mn
5	Polunin Capital Partners Ltd	0001629869	2,926,338	1.23%	▲2,926,338	0.00%	$22.59K
6	WELLINGTON MANAGEMENT GROUP LLP	0000902219	2,363,373	0.99%	▲697,778	+41.89%	$17.16Mn
7	CAUSEWAY CAPITAL MANAGEMENT LLC	0001165797	2,317,577	0.97%	▼348,625	-13.08%	$16.83Mn
8	FIL Ltd	0000318989	1,736,726	0.73%	▼62,645	-3.48%	$12.61Mn
9	NOMURA ASSET MANAGEMENT INTERNATIONAL INC.	0000921739	1,512,995	0.63%	▼43,218	-2.78%	$10.98Mn
10	Goldman Sachs Group Inc	0000886982	1,199,578	0.50%	▼498,772	-29.37%	$8.71Mn
11	UBS Group AG	0001610520	975,555	0.41%	▲243,299	+33.23%	$7.08Mn
12	NEW YORK STATE COMMON RETIREMENT FUND	0000810265	781,049	0.33%	▲217,100	+38.50%	$5.67Mn
13	O'SHAUGHNESSY ASSET MANAGEMENT, LLC	0001423442	722,003	0.30%	▼69,294	-8.76%	$5.24Mn
14	AMERICAN CENTURY COMPANIES INC	0000748054	691,548	0.29%	▼32,680	-4.51%	$5.02Mn
15	Sei Investments Co	0000350894	666,104	0.28%	▲81,547	+13.95%	$4.84Mn
16	Prudential Financial Inc	0001137774	657,700	0.28%	▲190,600	+40.80%	$4.77Mn
17	SUSQUEHANNA INTERNATIONAL GROUP, LLP	0001446194	650,193	0.27%	▼19,900	-2.97%	$4.72Mn
18	D. E. Shaw & Co., Inc.	0001009207	644,960	0.27%	▲9,704	+1.53%	$4.68Mn
19	Quinn Opportunity Partners LLC	0001633275	638,745	0.27%	0	0.00%	$4.64Mn
20	State Street Corp	0000093751	607,923	0.25%	▼291,514	-32.41%	$4.41Mn

Showing 1 to 20 of 136 holders