Weibo WB Institutional Ownership

NASDAQ WB

$6.46 +0.04 (+0.62%)

At close: Sep 30, 2026 · 4:00 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

$308.73Mn

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) is held by 136 institutional investors per 13F filings through June 2026.

These investors collectively held 20.0% of Weibo's outstanding shares in June 2026, up from 19.0% in March 2026.
Their total shares held in WB increased 8.57% from the prior quarter, while the number of investors in Weibo decreased 4.9% year over year.
Of these 136 funds, 63 grew their exposure to Weibo, 46 cut back, and 27 maintained positions.
Institutional investors collectively held 47.79Mn shares in Weibo as of June 2026, up by 3.77Mn shares quarter on quarter, and down 8.34Mn shares year over year.
Alibaba Group Holding Ltd leads ownership in WB with 9.0Mn shares as of June 30, 2026, equal to 3.77% of outstanding shares.
The biggest buyers of Weibo for the quarter ending June 2026 included Polunin Capital Partners Ltd (2.93Mn), WELLINGTON MANAGEMENT GROUP LLP (697.78K), Saba Capital Management, L.P. (670.17K), LINDEN ADVISORS LP (387.09K), MILLENNIUM MANAGEMENT LLC (272.55K).
Leading sellers of Weibo shares for the quarter ending June 2026 were ACADIAN ASSET MANAGEMENT LLC (512.07K), Goldman Sachs Group Inc (498.77K), CAUSEWAY CAPITAL MANAGEMENT LLC (348.62K), TWO SIGMA INVESTMENTS, LP (311.58K), Krane Funds Advisors LLC (297.9K).
Per Business Quant, the top 10 investors in WB for the quarter ending June 2026 include Alibaba Group Holding Ltd (9.0Mn), ACADIAN ASSET MANAGEMENT LLC (5.05Mn), Krane Funds Advisors LLC (3.52Mn), Saba Capital Management, L.P. (3.11Mn), Polunin Capital Partners Ltd (2.93Mn), WELLINGTON MANAGEMENT GROUP LLP (2.36Mn), CAUSEWAY CAPITAL MANAGEMENT LLC (2.32Mn), FIL Ltd (1.74Mn), NOMURA ASSET MANAGEMENT INTERNATIONAL INC. (1.51Mn), Goldman Sachs Group Inc (1.2Mn).

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