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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.

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 Market Value Shares Shares
Change 		Shares
Change %
TGHSA
1
TPG Group Holdings (SBS) Advisors
Texas
$31.5M 2,496,194 – –
Franklin Resources
2
Franklin Resources
California
$31M 2,459,055 +669,115 +37%
FCM
3
Frontier Capital Management
Massachusetts
$20.4M 1,615,706 +1,615,706 New
WA
4
Wasatch Advisors
Utah
$15.2M 1,201,795 +52,963 +5%
Millennium Management
5
Millennium Management
New York
$12.2M 962,955 +596,789 +163%
Wells Fargo
6
Wells Fargo
California
$9.89M 783,644 +210,437 +37%
ACM
7
Apex Capital Management
Ohio
$9.88M 782,757 +104,513 +15%
Westfield Capital Management
8
Westfield Capital Management
Massachusetts
$9.76M 773,563 +684,855 +772%
Fidelity Investments
9
Fidelity Investments
Massachusetts
$8.2M 650,000 +650,000 New
SAM
10
Senzar Asset Management
New York
$7.02M 555,986 +555,986 New
BA
11
BlackRock Advisors
Delaware
$6.37M 504,976 +87,591 +21%
RSCM
12
Rock Springs Capital Management
Maryland
$6.01M 475,800 +125,800 +36%
Vanguard Group
13
Vanguard Group
Pennsylvania
$5.9M 467,215 +161,473 +53%
Point72 Asset Management
14
Point72 Asset Management
Connecticut
$5.05M 400,100 +400,100 New
HRCM
15
Hood River Capital Management
Florida
$4.13M 327,180 +63,849 +24%
HighTower Advisors
16
HighTower Advisors
Illinois
$4.1M 100,634 +100,634 New
BFA
17
BlackRock Fund Advisors
California
$3.75M 297,157 +56,984 +24%
PAMP
18
Polar Asset Management Partners
Ontario, Canada
$3.74M 296,493 +79,526 +37%
RPAM
19
Rhenman & Partners Asset Management
Sweden
$2.64M 209,000 +30,000 +17%
ECM
20
Endurant Capital Management
California
$2.49M 197,651 +197,651 New
Bank of New York Mellon
21
Bank of New York Mellon
New York
$2.45M 193,908 +11,376 +6%
PVI
22
Pura Vida Investments
New York
$2.37M 187,738 +187,738 New
MAA
23
Managed Account Advisors
New Jersey
$2.33M 184,227 +18,415 +11%
State Street
24
State Street
Massachusetts
$1.73M 136,782 +214 +0.2%
EAM
25
Eventide Asset Management
Massachusetts
$1.64M 129,700 +2,453 +2%
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