Sina Weibo is a Chinese microblogging website. Launched by Sina Corporation on 14 August 2009, it is one of the biggest social media platforms in China, with over 445 million monthly active users as of Q3 2018. The platform has been a huge financial success, with surging stocks, lucrative advertising sales and high revenue and total earnings per quarter. At the start of 2018, it surpassed the US$30 billion market valuation mark for the first time. In March 2014, Sina Corporation announced a spinoff of Sina Weibo as a separate entity called simply "Weibo", and filed an IPO under the symbol WB.Sina carved out 11% of Weibo in the IPO, with Alibaba owning 32% post-IPO. The company began trading publicly on 17 April 2014. In March 2017, Sina launched Sina Weibo International Version. In November 2018, Sina Weibo suspended its registration function for minors under the age of 14. In July 2019, Sina Weibo announced that it would launch a two-month campaign to clean up pornographic and vulgar information, named "Project Deep Blue" . On 29 September 2020, the company announced to go private again due to rising tensions between the US and China. Sina Weibo had gone public on the Nasdaq in 2000. In June 2020, Sina Weibo reached 523 million active monthly users. Sina Weibo has attracted criticism over censoring its users.
Company profile
Ticker
SINA
Exchange
Website
CEO
Charles Chao
Employees
Location
Fiscal year end
Industry (SIC)
Microsoft • Oracle • Mobileye Global Inc - Ordinary Shares • Activision Blizzard • Gen Digital • Vmware • Adobe • Salesforce • BlackBerry • Dayforce ...
Former names
SINA COM
SEC CIK
Corporate docs
IRS number
522236363
SINA stock data
Latest filings (excl ownership)
15-12B
Securities registration termination
2 Apr 21
S-8 POS
Registration of securities for employees (post-effective amendment)
26 Mar 21
S-8 POS
Registration of securities for employees (post-effective amendment)
26 Mar 21
S-8 POS
Registration of securities for employees (post-effective amendment)
26 Mar 21
S-8 POS
Registration of securities for employees (post-effective amendment)
26 Mar 21
S-8 POS
Registration of securities for employees (post-effective amendment)
26 Mar 21
S-8 POS
Registration of securities for employees (post-effective amendment)
26 Mar 21
S-8 POS
Registration of securities for employees (post-effective amendment)
26 Mar 21
S-8 POS
Registration of securities for employees (post-effective amendment)
26 Mar 21
SC 13E3/A
Going private transaction (amended)
23 Mar 21
Latest ownership filings
SC 13G/A
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7 Feb 24
SC 13G/A
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31 Jan 24
SC 13G/A
WEIBO Corp
10 Feb 23
SC 13G
TuSimple Holdings Inc.
14 Feb 22
SC 13G/A
WEIBO Corp
28 Jan 22
SC 13D/A
CHAO CHARLES GUOWEI
24 Mar 21
SC 13G/A
CAPITAL VENTURES INTERNATIONAL
16 Feb 21
SC 13G/A
Oasis Management Co Ltd.
16 Feb 21
SC 13G/A
MORGAN STANLEY
12 Feb 21
SC 13G/A
SCHRODER INVESTMENT MANAGEMENT NORTH AMERICA INC/ DE
12 Feb 21
Institutional ownership, Q3 2021
0.9% owned by funds/institutions
13F holders | Current |
---|---|
Total holders | 2 |
Opened positions | 1 |
Closed positions | 0 |
Increased positions | 0 |
Reduced positions | 0 |
13F shares | Current |
---|---|
Total value | 4.69 bn |
Total shares | 596.15 k |
Total puts | 0.00 |
Total calls | 0.00 |
Total put/call ratio | – |
Largest owners | Shares | Value |
---|---|---|
Capital Ventures International | 486.49 k | $20.62 mm |
BNP Paribas Arbitrage | 109.65 k | $4.67 bn |