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Tandem Diabetes Care
TNDM

Overview Fund Activity

284 hedge funds and large institutions have $3.24B invested in Tandem Diabetes Care in 2019 Q4 according to their latest regulatory filings, with 58 funds opening new positions, 85 increasing their positions, 101 reducing their positions, and 45 closing their positions.

Holders
284
Holders Change
+11
Holders Change %
+4.03%
% of All Funds
5.61%
Holding in Top 10
8
Holding in Top 10 Change
+1
Holding in Top 10 Change %
+14.29%
% of All Funds
0.16%
New
58
Increased
85
Reduced
101
Closed
45
Calls
$46.2M
Puts
$39.7M
Net Calls
+$6.49M
Net Calls Change
+$2.46M

Top Buyers

1
Fidelity Investments
1
Fidelity Investments
Massachusetts
$140M
2
DMPV
2
Delphi Management Partners VIII
California
$59.6M
3
Wellington Management Group
3
Wellington Management Group
Massachusetts
$182M
4
BCM
4
Brown Capital Management
Maryland
$54.2M
5
DM
5
Deerfield Management
New York
$81.2M

Top Sellers

1
Renaissance Technologies
1
Renaissance Technologies
New York
$40.8M
2
Lord, Abbett & Co
2
Lord, Abbett & Co
New Jersey
$12.9M
3
PC
3
Polar Capital
United Kingdom
$0
4
PWAM
4
Park West Asset Management
California
$0
5
FAM
5
Fred Alger Management
New York
$85.5M
Name Market Value Shares Shares
Change 		Shares
Change %
Vanguard Group
1
Vanguard Group
Pennsylvania
$327M 5,485,432 +25,884 +0.5%
BlackRock
2
BlackRock
New York
$255M 4,279,305 +24,529 +0.6%
Wellington Management Group
3
Wellington Management Group
Massachusetts
$182M 3,045,397 +971,210 +47%
Fidelity Investments
4
Fidelity Investments
Massachusetts
$140M 2,345,167 +1,495,259 +176%
Federated Hermes
5
Federated Hermes
Pennsylvania
$86.9M 1,458,341 -55,992 -4%
FAM
6
Fred Alger Management
New York
$85.5M 1,435,006 -526,697 -27%
DM
7
Deerfield Management
New York
$81.2M 1,361,345 +907,011 +200%
State Street
8
State Street
Massachusetts
$79.5M 1,333,759 +18,267 +1%
TCM
9
TimesSquare Capital Management
New York
$77.5M 1,300,010 +60,475 +5%
GGHC
10
Gilder Gagnon Howe & Co
New York
$73.4M 1,231,566 +604,955 +97%
RG
11
Redmile Group
California
$69.9M 1,172,232 +11,831 +1%
O
12
OrbiMed
New York
$68M 1,141,390 +477,000 +72%
DMPV
13
Delphi Management Partners VIII
California
$59.6M 1,000,000 +1,000,000 New
EAM
14
Eagle Asset Management
Florida
$58.8M 986,401 -15,326 -2%
BCM
15
Brown Capital Management
Maryland
$54.2M 909,992 +909,992 New
Geode Capital Management
16
Geode Capital Management
Massachusetts
$52.4M 879,487 -21,395 -2%
AAM
17
Ardevora Asset Management
United Kingdom
$52.2M 875,336 +174,500 +25%
Invesco
18
Invesco
Georgia
$47.1M 789,912 +466,839 +144%
Goldman Sachs
19
Goldman Sachs
New York
$44.7M 750,426 +134,544 +22%
CTA
20
Carillon Tower Advisers
Florida
$42.3M 709,019 – –
Northern Trust
21
Northern Trust
Illinois
$42.1M 705,731 -20,864 -3%
Renaissance Technologies
22
Renaissance Technologies
New York
$40.8M 684,900 -608,727 -47%
CCI
23
Columbus Circle Investors
$39.6M 664,176 -101,976 -13%
FA
24
Friess Associates
Delaware
$37.4M 627,225 +125,240 +25%
CS
25
Credit Suisse
Switzerland
$36.3M 609,084 +100,786 +20%
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