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Tandem Diabetes Care
TNDM

Overview Fund Activity

303 hedge funds and large institutions have $5.47B invested in Tandem Diabetes Care in 2020 Q2 according to their latest regulatory filings, with 65 funds opening new positions, 80 increasing their positions, 116 reducing their positions, and 40 closing their positions.

Holders
303
Holders Change
+24
Holders Change %
+8.6%
% of All Funds
6.23%
Holding in Top 10
9
Holding in Top 10 Change
+1
Holding in Top 10 Change %
+12.5%
% of All Funds
0.18%
New
65
Increased
80
Reduced
116
Closed
40
Calls
$134M
Puts
$67.7M
Net Calls
+$66.3M
Net Calls Change
+$67.1M

Top Buyers

1
Capital World Investors
1
Capital World Investors
California
$81M
2
Millennium Management
2
Millennium Management
New York
$75.4M
3
T. Rowe Price Associates
3
T. Rowe Price Associates
Maryland
$106M
4
Fidelity Investments
4
Fidelity Investments
Massachusetts
$595M
5
WRF
5
Waddell & Reed Financial
Kansas
$75.5M

Top Sellers

1
BlackRock
1
BlackRock
New York
$335M
2
RG
2
Redmile Group
California
$0
3
Wellington Management Group
3
Wellington Management Group
Massachusetts
$617M
4
State Street
4
State Street
Massachusetts
$80.1M
5
Northern Trust
5
Northern Trust
Illinois
$29.2M
Name Market Value Shares Shares
Change 		Shares
Change %
Wellington Management Group
1
Wellington Management Group
Massachusetts
$617M 6,237,838 -550,184 -8%
Fidelity Investments
2
Fidelity Investments
Massachusetts
$595M 6,019,963 +454,490 +8%
Vanguard Group
3
Vanguard Group
Pennsylvania
$512M 5,174,656 -118,670 -2%
BlackRock
4
BlackRock
New York
$335M 3,388,759 -1,015,554 -23%
Invesco
5
Invesco
Georgia
$159M 1,603,825 -59,867 -4%
GGHC
6
Gilder Gagnon Howe & Co
New York
$141M 1,422,057 +155,311 +12%
Federated Hermes
7
Federated Hermes
Pennsylvania
$133M 1,349,332 -77,569 -5%
FAM
8
Fred Alger Management
New York
$128M 1,293,781 +357,570 +38%
BCM
9
Brown Capital Management
Maryland
$121M 1,219,846 +110,463 +10%
T. Rowe Price Associates
10
T. Rowe Price Associates
Maryland
$106M 1,072,275 +579,116 +117%
TCM
11
TimesSquare Capital Management
New York
$82.7M 836,445 -40,130 -5%
Renaissance Technologies
12
Renaissance Technologies
New York
$82.6M 835,428 +340,500 +69%
Capital World Investors
13
Capital World Investors
California
$81M 818,502 +818,502 New
State Street
14
State Street
Massachusetts
$80.1M 810,074 -501,578 -38%
WRF
15
Waddell & Reed Financial
Kansas
$75.5M 763,501 +432,555 +131%
Millennium Management
16
Millennium Management
New York
$75.4M 761,834 +761,834 New
Norges Bank
17
Norges Bank
Norway
$74.8M 756,650 -40,852 -5%
Goldman Sachs
18
Goldman Sachs
New York
$69.5M 702,668 +201,475 +40%
Geode Capital Management
19
Geode Capital Management
Massachusetts
$68.7M 694,171 -193,489 -22%
American Century Companies
20
American Century Companies
Missouri
$68.6M 693,500 -54,112 -7%
CCI
21
Columbus Circle Investors
$65.4M 660,868 +74,839 +13%
SIMG
22
Stephens Investment Management Group
Texas
$61.2M 619,124 +53,112 +9%
RI
23
RTW Investments
New York
$59.2M 598,923 +155,198 +35%
AAM
24
Ardevora Asset Management
United Kingdom
$58.2M 588,037 -83,999 -12%
CS
25
Credit Suisse
Switzerland
$56M 566,256 -17,783 -3%
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