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Tandem Diabetes Care

89 hedge funds and large institutions have $238M invested in Tandem Diabetes Care in 2015 Q1 according to their latest regulatory filings, with 31 funds opening new positions, 36 increasing their positions, 11 reducing their positions, and 8 closing their positions.

New
Increased
Maintained
Reduced
Closed
Holders
89
Holders Change
Holders Change %
% of All Funds
Holding in Top 10
Holding in Top 10 Change
Holding in Top 10 Change %
% of All Funds
New
Increased
Reduced
Closed
Calls
$6K
Puts
$1.11M
Net Calls
Net Calls Change

Top Buyers

1 +$20.4M
2 +$8.64M
3 +$8.44M
4
Fidelity Investments
Fidelity Investments
Massachusetts
+$8.2M
5
Millennium Management
Millennium Management
New York
+$7.53M

Top Sellers

1 -$8.89M
2 -$6.11M
3 -$4.08M
4
GTC
Ghost Tree Capital
New York
-$1.27M
5
Goldman Sachs
Goldman Sachs
New York
-$978K
Name Holding Trade Value Shares
Change
Change in
Stake
51
$355K
52
$346K
53
$328K
54
$328K
55
$327K
56
$281K
57
$263K
58
$252K
59
$242K
60
$216K
61
$213K
62
$189K
63
$161K
64
$151K
65
$150K
66
$140K
67
$134K
68
$99K
69
$94K
70
$80K
71
$72K
72
$66.5K
73
$63K
74
$30K
75
$23K