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Tandem Diabetes Care
TNDM

Overview Fund Activity

184 hedge funds and large institutions have $1.77B invested in Tandem Diabetes Care in 2018 Q3 according to their latest regulatory filings, with 80 funds opening new positions, 57 increasing their positions, 39 reducing their positions, and 12 closing their positions.

New
Increased
Maintained
Reduced
Closed
Holders
184
Holders Change
+68
Holders Change %
+58.62%
% of All Funds
4.21%
Holding in Top 10
7
Holding in Top 10 Change
+1
Holding in Top 10 Change %
+16.67%
% of All Funds
0.16%
New
80
Increased
57
Reduced
39
Closed
12
Calls
$91.9M
Puts
$40.1M
Net Calls
+$51.9M
Net Calls Change
+$41.6M

Top Buyers

1
Vanguard Group
1
Vanguard Group
Pennsylvania
$162M
2
FAM
2
Fred Alger Management
New York
$144M
3
TCM
3
TimesSquare Capital Management
New York
$46.8M
4
RG
4
Redmile Group
California
$45.8M
5
BlackRock
5
BlackRock
New York
$167M

Top Sellers

1
DM
1
Deerfield Management
New York
$12.1M
2
FLAM
2
First Light Asset Management
Minnesota
$11.3M
3
FCM
3
Frontier Capital Management
Massachusetts
$62.4M
4
Federated Hermes
4
Federated Hermes
Pennsylvania
$68.9M
5
O
5
OrbiMed
New York
$30.6M
Name Holding Trade Value Shares
Change 		Shares
Change %
ACM
51
Atika Capital Management
New York
$4.93M +$4.93M +115,000 New
EI
52
EAM Investors
California
$4.84M -$3.74M -87,203 -44%
WMSA
53
Weiss Multi-Strategy Advisers
New York
$4.39M -$3.53M -82,500 -45%
TA
54
Teachers Advisors
New York
$4.26M +$453K +10,576 +12%
TCIM
55
TIAA CREF Investment Management
New York
$4.22M +$29.9K +697 +0.7%
BG
56
Bellevue Group
Switzerland
$4.16M -$720K -16,811 -15%
Wolverine Trading
57
Wolverine Trading
Illinois
$4.01M +$4.01M +93,495 New
EGM
58
Engineers Gate Manager
New York
$3.91M -$323K -7,538 -8%
Barclays
59
Barclays
United Kingdom
$3.87M +$1.39M +32,444 +56%
California State Teachers Retirement System (CalSTRS)
60
California State Teachers Retirement System (CalSTRS)
California
$3.34M +$417K +9,728 +14%
UBS Group
61
UBS Group
Switzerland
$3.34M +$2.97M +69,393 +805%
BCM
62
Barometer Capital Management
Ontario, Canada
$3.26M +$3.26M +76,000 New
PVI
63
Pura Vida Investments
New York
$3.25M +$3.25M +75,933 New
CIP
64
Chartwell Investment Partners
Pennsylvania
$3.17M -$3.42M -79,818 -52%
SEI Investments
65
SEI Investments
Pennsylvania
$3.04M +$1.07M +24,915 +54%
D.E. Shaw & Co
66
D.E. Shaw & Co
New York
$2.92M +$2.92M +68,043 New
Royal Bank of Canada
67
Royal Bank of Canada
Ontario, Canada
$2.91M +$372K +8,683 +15%
BIM
68
Bogle Investment Management
Massachusetts
$2.9M +$2.9M +67,723 New
AllianceBernstein
69
AllianceBernstein
Tennessee
$2.72M +$441K +10,300 +19%
New York State Common Retirement Fund
70
New York State Common Retirement Fund
New York
$2.62M +$496K +11,570 +23%
EGI
71
EAM Global Investors
California
$2.55M -$820K -19,132 -24%
Balyasny Asset Management
72
Balyasny Asset Management
Illinois
$2.53M -$15.2M -356,027 -86%
MAG
73
Millrace Asset Group
Pennsylvania
$2.36M -$4.5M -105,000 -66%
Squarepoint
74
Squarepoint
New York
$2.34M +$2.34M +54,668 New
EIM
75
Essex Investment Management
Massachusetts
$2.25M -$3.97M -92,708 -64%
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