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Tandem Diabetes Care
TNDM

Overview Fund Activity

330 hedge funds and large institutions have $3.1B invested in Tandem Diabetes Care in 2024 Q3 according to their latest regulatory filings, with 57 funds opening new positions, 109 increasing their positions, 118 reducing their positions, and 42 closing their positions.

Holders
330
Holders Change
+13
Holders Change %
+4.1%
% of All Funds
4.77%
Holding in Top 10
5
Holding in Top 10 Change
+3
Holding in Top 10 Change %
+150%
% of All Funds
0.07%
New
57
Increased
109
Reduced
118
Closed
42
Calls
$145M
Puts
$10.5M
Net Calls
+$134M
Net Calls Change
+$14.3M

Top Buyers

1
DSCM
1
Divisadero Street Capital Management
Florida
$44.6M
2
GKIM
2
GW&K Investment Management
Massachusetts
$76.3M
3
Goldman Sachs
3
Goldman Sachs
New York
$26.3M
4
PWAM
4
Park West Asset Management
California
$45.4M
5
Millennium Management
5
Millennium Management
New York
$60.8M

Top Sellers

1
Citadel Advisors
1
Citadel Advisors
Florida
$14.8M
2
Jacobs Levy Equity Management
2
Jacobs Levy Equity Management
New Jersey
$24.4M
3
Ameriprise
3
Ameriprise
Minnesota
$36.9M
4
Janus Henderson Group
4
Janus Henderson Group
United Kingdom
$38.7M
5
Capital World Investors
5
Capital World Investors
California
$138M
Name Market Value Shares Shares
Change 		Shares
Change %
BlackRock
1
BlackRock
New York
$471M 11,110,445 -12,458 -0.1%
Vanguard Group
2
Vanguard Group
Pennsylvania
$312M 7,362,554 -15,448 -0.2%
Capital World Investors
3
Capital World Investors
California
$138M 3,265,300 -400,000 -11%
State Street
4
State Street
Massachusetts
$113M 2,655,736 +83,172 +3%
ACH
5
ArrowMark Colorado Holdings
Colorado
$101M 2,386,689 -118,162 -5%
FAM
6
Fred Alger Management
New York
$83.9M 1,979,119 -194,988 -9%
BG
7
Bellevue Group
Switzerland
$78.5M 1,850,891 +307,624 +20%
GKIM
8
GW&K Investment Management
Massachusetts
$76.3M 1,799,814 +456,703 +34%
Jennison Associates
9
Jennison Associates
New York
$75.6M 1,782,003 -187,623 -10%
Geode Capital Management
10
Geode Capital Management
Massachusetts
$64.7M 1,525,816 +18,187 +1%
CIP
11
Champlain Investment Partners
Vermont
$62.3M 1,469,161 -160,366 -10%
Millennium Management
12
Millennium Management
New York
$60.8M 1,434,656 +380,703 +36%
SIMG
13
Stephens Investment Management Group
Texas
$54.1M 1,274,482 +138,263 +12%
PWAM
14
Park West Asset Management
California
$45.4M 1,070,000 +399,279 +60%
DSCM
15
Divisadero Street Capital Management
Florida
$44.6M 1,052,606 +1,052,606 New
FLAM
16
First Light Asset Management
Minnesota
$43.5M 1,025,307 +316,825 +45%
CC
17
Chicago Capital
Illinois
$42.5M 1,003,147 +182,085 +22%
Morgan Stanley
18
Morgan Stanley
New York
$42.1M 992,711 -26,700 -3%
NCGI
19
Next Century Growth Investors
Minnesota
$41.7M 982,682 +68,312 +7%
Janus Henderson Group
20
Janus Henderson Group
United Kingdom
$38.7M 913,541 -536,634 -37%
PIM
21
Paradice Investment Management
Colorado
$38.3M 903,441 +81,448 +10%
Two Sigma Advisers
22
Two Sigma Advisers
New York
$38.2M 901,883 -229,700 -20%
GGHC
23
Gilder Gagnon Howe & Co
New York
$37M 872,974 -155,659 -15%
Ameriprise
24
Ameriprise
Minnesota
$36.9M 870,840 -609,934 -41%
Two Sigma Investments
25
Two Sigma Investments
New York
$35M 824,713 -310,467 -27%
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