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Tandem Diabetes Care
TNDM

Overview Fund Activity

387 hedge funds and large institutions have $9.07B invested in Tandem Diabetes Care in 2021 Q4 according to their latest regulatory filings, with 86 funds opening new positions, 140 increasing their positions, 116 reducing their positions, and 30 closing their positions.

Holders
387
Holders Change
+50
Holders Change %
+14.84%
% of All Funds
5.98%
Holding in Top 10
10
Holding in Top 10 Change
+1
Holding in Top 10 Change %
+11.11%
% of All Funds
0.15%
New
86
Increased
140
Reduced
116
Closed
30
Calls
$105M
Puts
$75.6M
Net Calls
+$29M
Net Calls Change
+$32.4M

Top Buyers

1
BlackRock
1
BlackRock
New York
$975M
2
Citadel Advisors
2
Citadel Advisors
Florida
$122M
3
Lord, Abbett & Co
3
Lord, Abbett & Co
New Jersey
$72.2M
4
HRCM
4
Hood River Capital Management
Florida
$42.1M
5
Wellington Management Group
5
Wellington Management Group
Massachusetts
$107M

Top Sellers

1
JSP
1
Jackson Square Partners
California
$377M
2
CS
2
Credit Suisse
Switzerland
$71.7M
3
Jennison Associates
3
Jennison Associates
New York
$41.8M
4
Amundi
4
Amundi
France
$16.1M
5
Fidelity Investments
5
Fidelity Investments
Massachusetts
$846M
Name Market Value Shares Shares
Change 		Shares
Change %
BlackRock
1
BlackRock
New York
$975M 6,478,638 +672,004 +12%
Vanguard Group
2
Vanguard Group
Pennsylvania
$927M 6,160,147 +109,088 +2%
Fidelity Investments
3
Fidelity Investments
Massachusetts
$846M 5,622,984 -223,916 -4%
Capital World Investors
4
Capital World Investors
California
$516M 3,427,129 +133,133 +4%
JSP
5
Jackson Square Partners
California
$377M 2,504,346 -1,067,292 -30%
Invesco
6
Invesco
Georgia
$292M 1,942,971 +205,453 +12%
State Street
7
State Street
Massachusetts
$248M 1,648,252 +35,825 +2%
CIP
8
Champlain Investment Partners
Vermont
$224M 1,486,513 -7,325 -0.5%
Federated Hermes
9
Federated Hermes
Pennsylvania
$181M 1,199,704 +40,966 +4%
BCM
10
Brown Capital Management
Maryland
$179M 1,188,648 -35,118 -3%
RI
11
RTW Investments
New York
$175M 1,160,734 – –
Macquarie Group
12
Macquarie Group
Australia
$144M 959,029 +8,649 +0.9%
BG
13
Bellevue Group
Switzerland
$143M 949,257 -85,262 -8%
Goldman Sachs
14
Goldman Sachs
New York
$140M 929,291 -53,455 -5%
Geode Capital Management
15
Geode Capital Management
Massachusetts
$124M 823,798 +22,743 +3%
SIMG
16
Stephens Investment Management Group
Texas
$123M 819,615 -731 -0.1%
Citadel Advisors
17
Citadel Advisors
Florida
$122M 808,129 +585,013 +262%
GGHC
18
Gilder Gagnon Howe & Co
New York
$116M 768,906 -12,100 -2%
Wellington Management Group
19
Wellington Management Group
Massachusetts
$107M 708,615 +249,976 +55%
Janus Henderson Group
20
Janus Henderson Group
United Kingdom
$97.7M 649,327 -197,591 -23%
T. Rowe Price Associates
21
T. Rowe Price Associates
Maryland
$93.9M 623,811 -26,494 -4%
Bank of New York Mellon
22
Bank of New York Mellon
New York
$91.8M 609,911 +29,216 +5%
Norges Bank
23
Norges Bank
Norway
$88.7M 589,388 +3,238 +0.6%
SEI Investments
24
SEI Investments
Pennsylvania
$84.5M 561,063 -151,402 -21%
Northern Trust
25
Northern Trust
Illinois
$74.2M 492,943 +3,388 +0.7%
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