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Tandem Diabetes Care

Name Holding Trade Value Shares
Change
Change in
Stake
BlackRock
1
BlackRock
New York
$327M -$353K -13,172 -0.1%
Vanguard Group
2
Vanguard Group
Pennsylvania
$250M +$822K +30,664 +0.4%
Capital World Investors
3
Capital World Investors
California
$130M -$72.8M -2,718,811 -43%
Marshall Wace
4
Marshall Wace
United Kingdom
$110M +$74.2M +2,768,459 +787%
ACH
5
ArrowMark Colorado Holdings
Colorado
$104M -$22.1K -824 -0%
Jennison Associates
6
Jennison Associates
New York
$90.5M +$33.9M +1,265,534 +98%
State Street
7
State Street
Massachusetts
$79.4M -$900K -33,588 -1%
Janus Henderson Group
8
Janus Henderson Group
$77.9M -$10.1M -376,945 -15%
BG
9
Bellevue Group
Switzerland
$71.9M +$1.06M +39,571 +2%
CIP
10
Champlain Investment Partners
Vermont
$53.6M -$436K -16,275 -1%
FAM
11
Fred Alger Management
New York
$53M +$32M +1,194,292 +394%
Morgan Stanley
12
Morgan Stanley
New York
$49.5M +$14.1M +525,980 +60%
PWAM
13
Park West Asset Management
California
$49.5M +$37.4M +1,397,280 New
DCM
14
Driehaus Capital Management
Illinois
$46.7M +$35.3M +1,317,437 New
GKIM
15
GW&K Investment Management
Massachusetts
$46.2M +$2.12M +79,151 +6%
Jacobs Levy Equity Management
16
Jacobs Levy Equity Management
New Jersey
$43.2M -$1.92M -71,773 -6%
Two Sigma Advisers
17
Two Sigma Advisers
New York
$38.1M +$2.02M +75,300 +8%
Geode Capital Management
18
Geode Capital Management
Massachusetts
$38.1M +$976K +36,410 +4%
Fidelity Investments
19
Fidelity Investments
Massachusetts
$37.2M -$51.6M -1,926,929 -65%
Millennium Management
20
Millennium Management
New York
$36.3M +$10.6M +394,111 +62%
Two Sigma Investments
21
Two Sigma Investments
New York
$36.2M +$8.59M +320,639 +46%
Capital International Investors
22
Capital International Investors
California
$36M -$1.78M -66,366 -6%
SIMG
23
Stephens Investment Management Group
Texas
$34.1M +$7.69K +287 +0%
BCM
24
Brown Capital Management
Maryland
$33.8M +$5.89M +219,940 +30%
GGHC
25
Gilder Gagnon Howe & Co
New York
$31.8M +$23.6M +879,312 +4,865%