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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
AG
1
Alibaba Group
Hong Kong
$85.8M
Acadian Asset Management
2
Acadian Asset Management
Massachusetts
$56.7M -$152K -17,269 -0.3%
KFA
3
Krane Funds Advisors
New York
$35.7M -$5.2M -591,522 -14%
BlackRock
4
BlackRock
New York
$31.9M -$1.28M -145,950 -4%
CCM
5
Causeway Capital Management
California
$25.2M +$3.4M +387,253 +17%
SCM
6
Saba Capital Management
New York
$24.9M +$2.27M +258,000 +11%
Federated Hermes
7
Federated Hermes
Pennsylvania
$20.3M -$7.97M -907,059 -30%
Goldman Sachs
8
Goldman Sachs
New York
$16.3M -$9.9M -1,126,911 -40%
N
9
Nuveen
North Carolina
$16.2M +$14.3M +1,623,800 +2,227%
Macquarie Group
10
Macquarie Group
Australia
$15.2M -$36.9K -4,200 -0.3%
State Street
11
State Street
Massachusetts
$13.3M +$3.3M +375,381 +37%
Two Sigma Advisers
12
Two Sigma Advisers
New York
$9.24M -$1.22M -139,000 -13%
Bank of America
13
Bank of America
North Carolina
$8.83M -$1.57M -178,231 -16%
Wellington Management Group
14
Wellington Management Group
Massachusetts
$8.74M -$1.31M -149,307 -14%
Dimensional Fund Advisors
15
Dimensional Fund Advisors
Texas
$7.97M -$127K -14,476 -2%
Arrowstreet Capital
16
Arrowstreet Capital
Massachusetts
$7.16M -$1.56M -177,020 -19%
Morgan Stanley
17
Morgan Stanley
New York
$7.05M +$597K +67,949 +10%
Schroder Investment Management Group
18
Schroder Investment Management Group
United Kingdom
$6.88M +$4.53M +515,165 +249%
JP Morgan Chase
19
JP Morgan Chase
New York
$6.86M +$5.27M +599,700 +497%
QOP
20
Quinn Opportunity Partners
Virginia
$6.6M +$87.9K +10,000 +1%
Susquehanna International Group
21
Susquehanna International Group
Pennsylvania
$6.54M -$4.59M -522,669 -43%
UBS Group
22
UBS Group
Switzerland
$6.47M +$476K +54,161 +9%
American Century Companies
23
American Century Companies
Missouri
$5.61M +$1.7M +192,955 +49%
SEI Investments
24
SEI Investments
Pennsylvania
$5.59M +$200K +22,767 +4%
PCP
25
Polunin Capital Partners
United Kingdom
$5.48M

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.