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143 hedge funds and large institutions have $546M invested in Weibo in 2025 Q2 according to their latest regulatory filings, with 21 funds opening new positions, 42 increasing their positions, 54 reducing their positions, and 25 closing their positions.

New
Increased
Maintained
Reduced
Closed

3% more call options, than puts

Call options by funds: $21.1M | Put options by funds: $20.6M

0.33% more ownership

Funds ownership: 38.24%38.57% (+0.33%)

3% less capital invested

Capital invested by funds: $562M → $546M (-$16.2M)

4% less funds holding

Funds holding: 149143 (-6)

16% less first-time investments, than exits

New positions opened: 21 | Existing positions closed: 25

22% less repeat investments, than reductions

Existing positions increased: 42 | Existing positions reduced: 54

50% less funds holding in top 10

Funds holding in top 10: 21 (-1)

Holders
143
Holders Change
-6
Holders Change %
-4.03%
% of All Funds
1.88%
Holding in Top 10
1
Holding in Top 10 Change
-1
Holding in Top 10 Change %
-50%
% of All Funds
0.01%
New
21
Increased
42
Reduced
54
Closed
25
Calls
$21.1M
Puts
$20.6M
Net Calls
+$564K
Net Calls Change
+$7.54M
Name Holding Trade Value Shares
Change
Change in
Stake
New York State Common Retirement Fund
26
New York State Common Retirement Fund
New York
$5.34M +$1.1M +124,900 +29%
Canada Pension Plan Investment Board
27
Canada Pension Plan Investment Board
Ontario, Canada
$5.29M
Two Sigma Investments
28
Two Sigma Investments
New York
$5.12M -$5.04M -573,548 -52%
Grantham, Mayo, Van Otterloo & Co (GMO)
29
Grantham, Mayo, Van Otterloo & Co (GMO)
Massachusetts
$4.99M +$654K +74,400 +17%
Qube Research & Technologies (QRT)
30
Qube Research & Technologies (QRT)
United Kingdom
$4.92M -$3.03M -344,568 -40%
Invesco
31
Invesco
Georgia
$4.78M -$83K -9,440 -2%
Russell Investments Group
32
Russell Investments Group
United Kingdom
$4.73M
Prudential Financial
33
Prudential Financial
New Jersey
$4.62M +$1.79M +203,500 +72%
Citadel Advisors
34
Citadel Advisors
Florida
$3.65M -$726K -82,557 -18%
Ohio Public Employees Retirement System (OPERS)
35
Ohio Public Employees Retirement System (OPERS)
Ohio
$3.48M -$75.3K -8,572 -2%
EFM
36
E Fund Management
China
$3.4M -$827K -94,102 -21%
COPPSERS
37
Commonwealth of Pennsylvania Public School Employees Retirement System
Pennsylvania
$2.87M
UBS AM
38
UBS AM
Illinois
$2.71M +$853K +97,024 +52%
OSAM
39
O'Shaughnessy Asset Management
Connecticut
$2.67M +$834K +94,879 +51%
Marshall Wace
40
Marshall Wace
United Kingdom
$2.5M +$2.31M +262,542 New
Citigroup
41
Citigroup
New York
$2.39M -$2.03M -231,512 -48%
Legal & General Group
42
Legal & General Group
United Kingdom
$2.03M +$524K +59,580 +39%
Jane Street
43
Jane Street
New York
$1.99M -$355K -40,437 -16%
BNP Paribas Financial Markets
44
BNP Paribas Financial Markets
France
$1.96M -$193K -21,992 -10%
Mitsubishi UFJ Trust & Banking
45
Mitsubishi UFJ Trust & Banking
Japan
$1.73M +$892K +101,485 +127%
HSBC Holdings
46
HSBC Holdings
United Kingdom
$1.71M +$954K +108,506 +152%
Northern Trust
47
Northern Trust
Illinois
$1.55M +$4.12K +469 +0.3%
Balyasny Asset Management
48
Balyasny Asset Management
Illinois
$1.51M +$747K +85,024 +116%
Barclays
49
Barclays
United Kingdom
$1.47M -$200K -22,807 -13%
Geode Capital Management
50
Geode Capital Management
Massachusetts
$1.43M -$3.36M -382,326 -72%

WB Hedge Fund Activity: Q2 2025 in Review

143 of the 7,596 institutional investors tracked by Wall St. Rank reported a position in Weibo (WB) for Q2 2025, worth a combined $546M — down 2.9% from $562M a quarter earlier.

Sellers outnumbered buyers: 25 funds closed out of WB and 21 opened new positions — a net loss of 4 holders — while 54 trimmed existing stakes and 42 added.

The largest buyer was Nuveen, adding an estimated $14.3M. The largest seller was Goldman Sachs, cutting an estimated $9.9M.

  • 143 institutional investors held Weibo (WB) as of Q2 2025, down from 149 in Q1 2025.
  • Funds reported $546M of Weibo stock for Q2 2025, down 2.9% quarter-over-quarter.
  • 21 funds opened new Weibo positions in Q2 2025 and 25 closed out, a net change of -4 holders.
  • The largest Weibo buyer in Q2 2025 was Nuveen, an estimated $14.3M added.
  • The largest Weibo seller in Q2 2025 was Goldman Sachs, an estimated $9.9M sold.

Based on aggregated 13F filings for Q2 2025.