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Tandem Diabetes Care
TNDM

Overview Fund Activity

291 hedge funds and large institutions have $2.63B invested in Tandem Diabetes Care in 2024 Q1 according to their latest regulatory filings, with 54 funds opening new positions, 122 increasing their positions, 79 reducing their positions, and 29 closing their positions.

Holders
291
Holders Change
+23
Holders Change %
+8.58%
% of All Funds
4.22%
Holding in Top 10
4
Holding in Top 10 Change
+2
Holding in Top 10 Change %
+100%
% of All Funds
0.06%
New
54
Increased
122
Reduced
79
Closed
29
Calls
$121M
Puts
$9.18M
Net Calls
+$112M
Net Calls Change
+$117M

Top Buyers

1
Marshall Wace
1
Marshall Wace
United Kingdom
$110M
2
PWAM
2
Park West Asset Management
California
$49.5M
3
DCM
3
Driehaus Capital Management
Illinois
$46.7M
4
Jennison Associates
4
Jennison Associates
New York
$90.5M
5
FAM
5
Fred Alger Management
New York
$53M

Top Sellers

1
EC
1
Eminence Capital
New York
$0
2
Capital World Investors
2
Capital World Investors
California
$130M
3
Fidelity Investments
3
Fidelity Investments
Massachusetts
$37.2M
4
Point72 Asset Management
4
Point72 Asset Management
Connecticut
$1.24M
5
Voloridge Investment Management
5
Voloridge Investment Management
Florida
$18.5M
Name Market Value Shares Shares
Change 		Shares
Change %
BlackRock
1
BlackRock
New York
$327M 9,232,481 -13,172 -0.1%
Vanguard Group
2
Vanguard Group
Pennsylvania
$250M 7,052,570 +30,664 +0.4%
Capital World Investors
3
Capital World Investors
California
$130M 3,665,300 -2,718,811 -43%
Marshall Wace
4
Marshall Wace
United Kingdom
$110M 3,120,374 +2,768,459 +787%
ACH
5
ArrowMark Colorado Holdings
Colorado
$104M 2,934,179 -824 -0%
Jennison Associates
6
Jennison Associates
New York
$90.5M 2,556,124 +1,265,534 +98%
State Street
7
State Street
Massachusetts
$79.4M 2,240,978 -33,588 -1%
Janus Henderson Group
8
Janus Henderson Group
United Kingdom
$77.9M 2,200,797 -376,945 -15%
BG
9
Bellevue Group
Switzerland
$71.9M 2,031,888 +39,571 +2%
CIP
10
Champlain Investment Partners
Vermont
$53.6M 1,513,557 -16,275 -1%
FAM
11
Fred Alger Management
New York
$53M 1,497,071 +1,194,292 +394%
Morgan Stanley
12
Morgan Stanley
New York
$49.5M 1,398,145 -346,185 -20%
PWAM
13
Park West Asset Management
California
$49.5M 1,397,280 +1,397,280 New
DCM
14
Driehaus Capital Management
Illinois
$46.7M 1,317,437 +1,317,437 New
GKIM
15
GW&K Investment Management
Massachusetts
$46.2M 1,305,909 +79,151 +6%
Jacobs Levy Equity Management
16
Jacobs Levy Equity Management
New Jersey
$43.2M 1,219,194 -71,773 -6%
Two Sigma Advisers
17
Two Sigma Advisers
New York
$38.1M 1,076,883 +75,300 +8%
Geode Capital Management
18
Geode Capital Management
Massachusetts
$38.1M 1,076,097 +36,410 +4%
Fidelity Investments
19
Fidelity Investments
Massachusetts
$37.2M 1,050,345 -1,926,929 -65%
Millennium Management
20
Millennium Management
New York
$36.3M 1,024,954 +394,111 +62%
Two Sigma Investments
21
Two Sigma Investments
New York
$36.2M 1,021,993 +320,639 +46%
Capital International Investors
22
Capital International Investors
California
$36M 1,017,195 -66,366 -6%
SIMG
23
Stephens Investment Management Group
Texas
$34.1M 962,559 +287 +0%
BCM
24
Brown Capital Management
Maryland
$33.8M 954,567 +219,940 +30%
GGHC
25
Gilder Gagnon Howe & Co
New York
$31.8M 897,388 +879,312 +4,865%
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