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Tandem Diabetes Care
TNDM

Overview Fund Activity

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
+23
Holders Change %
+34.85%
% of All Funds
2.37%
Holding in Top 10
–
Holding in Top 10 Change
–
Holding in Top 10 Change %
–
% of All Funds
–
New
31
Increased
36
Reduced
11
Closed
8
Calls
$6K
Puts
$1.11M
Net Calls
-$1.11M
Net Calls Change
-$1.09M

Top Buyers

1
FCM
1
Frontier Capital Management
Massachusetts
$20.4M
2
Westfield Capital Management
2
Westfield Capital Management
Massachusetts
$9.76M
3
Franklin Resources
3
Franklin Resources
California
$31M
4
Fidelity Investments
4
Fidelity Investments
Massachusetts
$8.2M
5
Millennium Management
5
Millennium Management
New York
$12.2M

Top Sellers

1
Jennison Associates
1
Jennison Associates
New York
$0
2
AllianceBernstein
2
AllianceBernstein
Tennessee
$72K
3
CAM
3
Cortina Asset Management
Wisconsin
$0
4
GTC
4
Ghost Tree Capital
New York
$0
5
Goldman Sachs
5
Goldman Sachs
New York
$327K
Name Holding Trade Value Shares
Change 		Shares
Change %
Deutsche Bank
26
Deutsche Bank
Germany
$1.64M +$860K +6,821 +111%
Ameriprise
27
Ameriprise
Minnesota
$1.54M +$773K +6,130 +101%
BIT
28
BlackRock Institutional Trust
California
$1.45M +$608K +4,816 +73%
SAM
29
Sectoral Asset Management
Quebec, Canada
$1.41M -$252K -2,000 -15%
Geode Capital Management
30
Geode Capital Management
Massachusetts
$1.37M +$602K +4,773 +78%
Northern Trust
31
Northern Trust
Illinois
$1.33M +$125K +990 +10%
BC
32
Broadfin Capital
New York
$1.29M +$1.29M +10,196 New
SIA
33
Sit Investment Associates
Minnesota
$1.23M +$1.23M +9,745 New
Renaissance Technologies
34
Renaissance Technologies
New York
$1.12M +$1.12M +8,910 New
Bank of America
35
Bank of America
North Carolina
$1.11M -$152K -1,202 -12%
DCM
36
DAFNA Capital Management
California
$963K +$963K +7,634 New
AGC
37
Alden Global Capital
Florida
$955K +$955K +7,570 New
Bank of Montreal
38
Bank of Montreal
Ontario, Canada
$884K +$883K +7,000 +140,000%
MIM
39
Monashee Investment Management
Massachusetts
$858K +$858K +6,800 New
New York State Common Retirement Fund
40
New York State Common Retirement Fund
New York
$832K – – –
AA
41
AQR Arbitrage
Connecticut
$792K +$792K +6,272 New
JPMorgan Chase & Co
42
JPMorgan Chase & Co
New York
$649K +$649K +5,140 New
BAMS
43
Bellevue Asset Management (Switzerland)
Switzerland
$631K +$631K +5,000 New
UOC
44
UBS O'Connor
Illinois
$597K +$597K +4,730 New
PSC
45
Piper Sandler & Co
Minnesota
$568K +$189K +1,500 +50%
TCIM
46
TIAA CREF Investment Management
New York
$411K +$35.6K +282 +9%
BIM
47
BlackRock Investment Management
Delaware
$391K +$82.9K +657 +27%
Ohio Public Employees Retirement System (OPERS)
48
Ohio Public Employees Retirement System (OPERS)
Ohio
$390K – – –
Charles Schwab
49
Charles Schwab
California
$387K +$26.4K +209 +7%
LCM
50
Laurion Capital Management
New York
$378K +$378K +2,993 New
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