41 hedge funds and large institutions have $74.4M invested in Weibo in 2014 Q4 according to their latest regulatory filings, with 13 funds opening new positions, 11 increasing their positions, 12 reducing their positions, and 18 closing their positions.

New
Increased
Maintained
Reduced
Closed
Holders
41
Holders Change
-6
Holders Change %
-12.77%
% of All Funds
1.09%
Holding in Top 10
Holding in Top 10 Change
Holding in Top 10 Change %
% of All Funds
New
13
Increased
11
Reduced
12
Closed
18
Calls
$8.06M
Puts
$5.93M
Net Calls
+$2.14M
Net Calls Change
+$8.62M
Name Holding Trade Value Shares
Change
Shares
Change %
NIT
26
NumerixS Investment Technologies
British Columbia, Canada
$234K +$234K +16,400 New
Parallax Volatility Advisers
27
Parallax Volatility Advisers
California
$214K +$98.9K +6,953 +86%
D.E. Shaw & Co
28
D.E. Shaw & Co
New York
$143K +$143K +10,034 New
Bank of Montreal
29
Bank of Montreal
Ontario, Canada
$100K +$22.4K +1,556 +29%
QT
30
Quantbot Technologies
New York
$73K -$365K -25,729 -83%
BlackRock
31
BlackRock
New York
$68K -$13.8K -970 -17%
Creative Planning
32
Creative Planning
Kansas
$47K +$28.5K +2,000 +154%
BIM
33
BlackRock Investment Management
Delaware
$40K
Citigroup
34
Citigroup
New York
$34K +$8.33K +588 +32%
Barclays
35
Barclays
United Kingdom
$29K -$6.36K -457 -18%
Simplex Trading
36
Simplex Trading
Illinois
$14K +$14K +1,015 New
Bank of America
37
Bank of America
North Carolina
$7K -$49K -3,500 -88%
AIG
38
American International Group
New York
$4.27K
SAM
39
Shamrock Asset Management
Texas
$4K
TRCT
40
Tower Research Capital (TRC)
New York
$3K +$2.96K +197 +6,567%
BRWA
41
B. Riley Wealth Advisors
Florida
$3 +$3 +200 New
Fidelity Investments
42
Fidelity Investments
Massachusetts
-$9.16M -489,900 Closed
LMIM
43
Lockheed Martin Investment Management
Maryland
-$1.93M -103,091 Closed
PMAM
44
Picton Mahoney Asset Management
Ontario, Canada
-$1.31K -70,100 Closed
TCP
45
Tourbillon Capital Partners
New York
-$935K -50,000 Closed
BL
46
Bolton LP
Connecticut
-$736K -39,390 Closed
Jane Street
47
Jane Street
New York
-$682K -36,472 Closed
SC
48
Sculptor Capital
New York
-$598K -32,000 Closed
PSI
49
Pinnacle Summer Investments
Virginia
-$374K -20,000 Closed
Walleye Trading
50
Walleye Trading
New York
-$232K -12,401 Closed