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Weibo WB

US equityMarket cap rank #2937
$6.48 +$0.15 (+2.37%)
Pre-market · Oct 6, 5:00 am ET · After hours $6.48 0.00%
Open$6.35
Prev close$6.33
Day range$6.35 – $6.51
Volume850.5K
Market cap$1.59B
P/E (TTM)5.4
Dividend yield9.41%

Ownership & positioning

Who holds it, who is betting against it, and where the big money is moving

Institutional ownership84.0%-3.76 pts vs. prior quarter
Institutions holding185-1 vs. prior quarter
Insider trades (recent)3 buys / 0 sellsNet buying
Short interest6.39% of floatDays to cover 14.7 · as of 15 Sep 2026
Short-sale volume share30.2%5-day average of daily volume

Short-sale volume as % of daily volume

25%31%37%43%Sep '26Sep '26Oct '26

Large-order net flow, last 20 sessions

Net of large-order buying minus selling, in USD. Over this window: +$4.16M (11 inflow days, 9 outflow days).

The five largest holders on file together own 68.3% of shares outstanding.

Largest holders

  • SINA Corporation35.75%
  • Alibaba Capital Partners27.63%
  • Acadian Asset Management LLC2.06%
  • Krane Funds Advisors, LLC1.43%
  • Vanguard Capital Management, LLC1.42%
  • Saba Capital Management, L.P.1.26%
  • Polunin Capital Partners Limited1.19%
  • Wellington Management Group0.96%

By investor type

  • Private Company36.34%
  • VC/PE Fund27.63%
  • Mutual Fund15.78%
  • Hedge Fund2.55%
  • Individual/Insider1.64%
  • Public Company0.67%
  • Government Pension Fund0.57%
  • Sovereign Wealth Fund0.30%

Reported short interest has fallen from 7.02% to 6.39% of float over the last 6 biweekly reports (30 Jun 2026 to 15 Sep 2026).

Short interest, by report

Report dateShares short% of floatDays to cover
15 Sep 2026 15,689,764 6.4% 14.7
31 Aug 2026 14,999,437 6.1% 9.3
14 Aug 2026 16,067,674 6.5% 22.0
31 Jul 2026 16,431,927 6.7% 21.1
15 Jul 2026 17,339,354 7.1% 20.8
30 Jun 2026 17,252,369 7.0% 10.8

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