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Tandem Diabetes Care
TNDM

Overview Fund Activity

273 hedge funds and large institutions have $2.93B invested in Tandem Diabetes Care in 2019 Q3 according to their latest regulatory filings, with 46 funds opening new positions, 94 increasing their positions, 87 reducing their positions, and 33 closing their positions.

New
Increased
Maintained
Reduced
Closed
Holders
273
Holders Change
+12
Holders Change %
+4.6%
% of All Funds
6%
Holding in Top 10
7
Holding in Top 10 Change
-1
Holding in Top 10 Change %
-12.5%
% of All Funds
0.15%
New
46
Increased
94
Reduced
87
Closed
33
Calls
$59.2M
Puts
$55.1M
Net Calls
+$4.03M
Net Calls Change
-$39.2M

Top Buyers

1
CCM
Consonance Capital Management
New York
$60.3M
2
PWAM
Park West Asset Management
California
$32.4M
3
American Century Companies
American Century Companies
Missouri
$27.2M
4
Renaissance Technologies
Renaissance Technologies
New York
$76.3M
5
SIMG
Stephens Investment Management Group
Texas
$29.4M

Top Sellers

1
Lord, Abbett & Co
Lord, Abbett & Co
New Jersey
$47.9M
2
Vanguard Group
Vanguard Group
Pennsylvania
$322M
3
Millennium Management
Millennium Management
New York
$29.7M
4
Deutsche Bank
Deutsche Bank
Germany
$5.94M
5
FAM
Fred Alger Management
New York
$116M
Name Holding Trade Value Shares
Change 		Shares
Change %
First Manhattan
176
First Manhattan
New York
$521K – – –
Marshall Wace
177
Marshall Wace
United Kingdom
$506K +$168K +2,839 +50%
Westfield Capital Management
178
Westfield Capital Management
Massachusetts
$499K +$15K +254 +3%
GAM
179
Grandview Asset Management
Pennsylvania
$497K -$60.8K -1,086 -11%
TAM
180
Tocqueville Asset Management
New York
$487K +$248K +4,200 +104%
AIMCA
181
Alberta Investment Management Corp (AIMCo)
Alberta, Canada
$478K – – –
CMI
182
Clare Market Investments
Texas
$467K +$73.7K +1,250 +19%
Public Employees Retirement Association of Colorado
183
Public Employees Retirement Association of Colorado
Colorado
$441K – – –
SCM
184
Silvant Capital Management
Georgia
$431K – – –
Janus Henderson Group
185
Janus Henderson Group
United Kingdom
$428K -$4.6K -78 -1%
NIT
186
NumerixS Investment Technologies
British Columbia, Canada
$413K -$376K -6,381 -48%
FHB
187
First Hawaiian Bank
Hawaii
$412K +$412K +6,990 New
SPC
188
Sigma Planning Corp
Michigan
$400K -$16K -271 -4%
MCM
189
Manchester Capital Management
Vermont
$384K – – –
PA
190
Perceptive Advisors
New York
$379K – – –
ProShare Advisors
191
ProShare Advisors
Maryland
$377K +$58.6K +992 +18%
NICM
192
Neo Ivy Capital Management
New York
$373K +$373K +5,153 New
WS
193
Wedbush Securities
California
$359K -$99K -1,678 -22%
AAP
194
Ardsley Advisory Partners
Connecticut
$354K – – –
WA
195
WealthTrust Axiom
Pennsylvania
$353K – – –
D.E. Shaw & Co
196
D.E. Shaw & Co
New York
$353K +$353K +5,983 New
TFO
197
Tarbox Family Office
California
$341K – – –
Janney Montgomery Scott
198
Janney Montgomery Scott
Pennsylvania
$339K -$24.2K -410 -7%
GCA
199
Greenwood Capital Associates
South Carolina
$327K +$327K +5,539 New
HSBC Holdings
200
HSBC Holdings
United Kingdom
$320K +$80.4K +1,363 +34%
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