WEIBO Corp - American depositary shares, each representing one Class A ordinary share (WB)

Q: What does CUSIP 948596101 represent in this 13F holders report?

CUSIP 948596101 is the security identifier for WB - WEIBO Corp - American depositary shares, each representing one Class A ordinary share used to aggregate holder disclosures.

Q: How many institutions held WB - WEIBO Corp - American depositary shares, each representing one Class A ordinary share in Q1 2017?

175 institutional investors reported WB - WEIBO Corp - American depositary shares, each representing one Class A ordinary share for Q1 2017. Use the holders table for investor-level position and value details.

CUSIP: 948596101

Q1 2017 13F Holders as of 31 Mar 2017

Security type / class: Equity / American depositary shares, each representing one Class A ordinary share
Total 13F shares: 33,667,244
Total 13F value: $1,757,374,504
Share change: +1,135,735
Put/Call ratio: 151%
SEC-reported price per share: $52.18
Number of holders: 175
Value change: +$73,145,622
Number of buys: 104
Number of sells: 81
Shares outstanding: 153,608,338

Security key

948596101

Report period

Q1 2017

Institutions

175

Top holders

WB full security history Ownership snapshot Full 13F holder table Newer quarter: Q2 2017 Previous quarter: Q4 2016 WEIBO Corp SEC filings WEIBO Corp company facts

Broader feeds

Latest 13F filings Latest 13D/G filings Investors directory

Reporting periods

Holder history for CUSIP 948596101

Newer quarter: Q2 2017 Previous quarter: Q4 2016

Recent filing periods:

Q1 2026 Q4 2025 Q3 2025 Q2 2025 Q1 2025 Q4 2024 Q3 2024 Q2 2024

Ownership snapshot

Top reported holders of WB - WEIBO Corp - American depositary shares, each representing one Class A ordinary share (13F + 13D/G + 3/4/5)

Grouped by holder across the latest SEC ownership disclosures. Start with comparable ownership when available, then verify the linked 13F, 13D/G, or 3/4/5 evidence.

Comparable stake leader

Alibaba Group Holding Ltd

Disclosed value leader

Alibaba Group Holding Ltd

Comparable rows

15/15

Latest evidence

31 Dec 2016

13F Lead comparable stake: 5.9% Showing 1-6 of 15 holder rows.

Quick read

Alibaba Group Holding Ltd leads the comparable SEC ownership view at 5.9%.

15 of 15 rows have a safely comparable ownership percentage. Use this as a filing-backed starting point, then open the detailed table for source links, reporting role, position value, share count, and filing date.

Open SEC evidence Opens Alibaba Group Holding Ltd's linked filing trail.

Comparable ownership Top 5

Alibaba Group Holding Ltd 5.9%

1832 Asset Management L.P. 2.1%

SCHRODER INVESTMENT MANAGEMENT GROUP 2%

WELLS FARGO & COMPANY/MN 1.7%

ACADIAN ASSET MANAGEMENT LLC 0.92%

Ownership % is shown only when SEC disclosures are safely comparable across share classes.

Detailed SEC evidence table Showing 1-6 of 15 holder rows

Holder	Evidence	Ownership %	Position	12M Net Δ	As of
Alibaba Group Holding Ltd	13F Company 13F	5.9%	$365,400,000 9,000,000 shares	—	31 Dec 2016
1832 Asset Management L.P.	13F Company 13F	2.1%	$145,261,000 3,237,600 shares	—	31 Dec 2016
SCHRODER INVESTMENT MANAGEMENT GROUP	13F Company 13F	2%	$124,990,000 3,078,593 shares	—	31 Dec 2016
WELLS FARGO & COMPANY/MN	13F Company 13F	1.7%	$107,504,000 2,647,908 shares	—	31 Dec 2016
ACADIAN ASSET MANAGEMENT LLC	13F Company 13F	0.92%	$57,303,000 1,411,419 shares	—	31 Dec 2016
HARDING LOEVNER LP	13F Company 13F	0.81%	$50,439,000 1,242,345 shares	—	31 Dec 2016

How to read this table

Rows are grouped by holder and ranked first by SEC-reported ownership % when it is safely comparable, then by disclosed holdings value. — indicates unavailable or non-comparable values; "mixed-class rows" means the latest filing spans non-comparable classes.

13F holder rows

Institutional holders as of Q1 2017

Investor-level positions for this CUSIP, loaded as an interactive table.

Institutions

175

33,667,244

Rows available

175

Investor	Option	Weight %	Change %	SEC-reported value	* Price	Shares	Share Change	Activity	Report Period

^* SEC-reported price is the security price as of the portfolio date and can indicate the last known price at which the security was still held. The marker flags a reported price that did not pass the local price check.

Compare Q1 2017 vs Q4 2016 Across Filers

Q4 2016 holders

162

Q1 2017 holders

175

Holder diff

Investor	Q4 2016 Shares	Q1 2017 Shares	Share Diff	Share Chg %	Q4 2016 value	Q1 2017 value	Value change	Value Chg %

Trend: ostatnie 8 kwartałów (+ wybrane okresy porównania).

Quarterly Holders Trend

Quarterly Value Trend

Quarterly Shares Trend