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Tandem Diabetes Care
TNDM

Overview Fund Activity

265 hedge funds and large institutions have $2.98B invested in Tandem Diabetes Care in 2019 Q1 according to their latest regulatory filings, with 83 funds opening new positions, 80 increasing their positions, 81 reducing their positions, and 15 closing their positions.

New
Increased
Maintained
Reduced
Closed
Holders
265
Holders Change
+65
Holders Change %
+32.5%
% of All Funds
5.74%
Holding in Top 10
12
Holding in Top 10 Change
+5
Holding in Top 10 Change %
+71.43%
% of All Funds
0.26%
New
83
Increased
80
Reduced
81
Closed
15
Calls
$84.5M
Puts
$54M
Net Calls
+$30.5M
Net Calls Change
+$13.1M

Top Buyers

1
Wellington Management Group
1
Wellington Management Group
Massachusetts
$91.2M
2
Fidelity Investments
2
Fidelity Investments
Massachusetts
$44.8M
3
D.E. Shaw & Co
3
D.E. Shaw & Co
New York
$33M
4
GGHC
4
Gilder Gagnon Howe & Co
New York
$34.1M
5
CS
5
Credit Suisse
Switzerland
$26.1M

Top Sellers

1
Point72 Asset Management
1
Point72 Asset Management
Connecticut
$7.76M
2
Renaissance Technologies
2
Renaissance Technologies
New York
$49.2M
3
Deutsche Bank
3
Deutsche Bank
Germany
$30.3M
4
FAM
4
Fred Alger Management
New York
$168M
5
DM
5
Deerfield Management
New York
$2.25M
Name Holding Trade Value Shares
Change 		Shares
Change %
GGHC
26
Gilder Gagnon Howe & Co
New York
$34.1M +$26.6M +418,388 +354%
D.E. Shaw & Co
27
D.E. Shaw & Co
New York
$33M +$30.7M +483,553 +1,344%
DCM
28
Driehaus Capital Management
Illinois
$30.7M +$8.49M +133,653 +38%
Deutsche Bank
29
Deutsche Bank
Germany
$30.3M -$35.6M -560,410 -54%
FA
30
Friess Associates
Delaware
$30.3M -$7.07M -111,302 -19%
Baillie Gifford & Co
31
Baillie Gifford & Co
United Kingdom
$27.6M – – –
CS
32
Credit Suisse
Switzerland
$26.1M +$19.4M +305,619 +291%
DCM
33
Daruma Capital Management
New York
$24M -$7.68M -120,961 -24%
HRCM
34
Hood River Capital Management
Florida
$22.5M -$6.39M -100,660 -22%
AQR Capital Management
35
AQR Capital Management
Connecticut
$21.4M -$12.9M -203,416 -38%
Charles Schwab
36
Charles Schwab
California
$20M +$948K +14,933 +5%
SSA
37
Schonfeld Strategic Advisors
New York
$18.5M +$3.72M +58,613 +25%
WA
38
Wasatch Advisors
Utah
$18.2M -$5.39M -84,941 -23%
Wells Fargo
39
Wells Fargo
California
$17.3M +$10M +158,002 +138%
FLAM
40
First Light Asset Management
Minnesota
$17M +$259K +4,071 +2%
TGHSA
41
TPG Group Holdings (SBS) Advisors
Texas
$15.9M – – –
T. Rowe Price Associates
42
T. Rowe Price Associates
Maryland
$15.8M +$1.35M +21,323 +9%
Bank of New York Mellon
43
Bank of New York Mellon
New York
$15.4M -$523K -8,233 -3%
CLCM
44
Crawford Lake Capital Management
New Jersey
$14.7M +$14.7M +231,667 New
AIM
45
Assured Investment Management
New York
$13.5M +$10.2M +161,393 +314%
WRF
46
Waddell & Reed Financial
Kansas
$12.7M -$3.99M -62,863 -24%
OAM
47
Oberweis Asset Management
Illinois
$12.1M -$2.14M -33,740 -15%
Russell Investments Group
48
Russell Investments Group
United Kingdom
$12.1M +$4.86M +76,522 +67%
CM
49
Castleark Management
Illinois
$9.66M -$8.14M -128,114 -46%
1832 Asset Management
50
1832 Asset Management
Ontario, Canada
$9.3M +$9.3M +148,100 New
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