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Tandem Diabetes Care
TNDM

Overview Fund Activity

289 hedge funds and large institutions have $5.08B invested in Tandem Diabetes Care in 2021 Q1 according to their latest regulatory filings, with 44 funds opening new positions, 105 increasing their positions, 102 reducing their positions, and 59 closing their positions.

New
Increased
Maintained
Reduced
Closed
Holders
289
Holders Change
-19
Holders Change %
-6.17%
% of All Funds
5.09%
Holding in Top 10
2
Holding in Top 10 Change
-4
Holding in Top 10 Change %
-66.67%
% of All Funds
0.04%
New
44
Increased
105
Reduced
102
Closed
59
Calls
$68M
Puts
$44.5M
Net Calls
+$23.5M
Net Calls Change
-$35.3M

Top Buyers

1
CIP
1
Champlain Investment Partners
Vermont
$118M
2
CS
2
Credit Suisse
Switzerland
$179M
3
JSP
3
Jackson Square Partners
California
$327M
4
RI
4
RTW Investments
New York
$101M
5
Citadel Advisors
5
Citadel Advisors
Florida
$57.4M

Top Sellers

1
Wellington Management Group
1
Wellington Management Group
Massachusetts
$48.4M
2
FAM
2
Fred Alger Management
New York
$15.4M
3
GGHC
3
Gilder Gagnon Howe & Co
New York
$69M
4
FA
4
Friess Associates
Delaware
$0
5
SAM
5
Sectoral Asset Management
Quebec, Canada
$3.1M
Name Holding Trade Value Shares
Change 		Shares
Change %
PL
301
Polianta Ltd
Jersey
– -$1.22M -12,700 Closed
Qube Research & Technologies (QRT)
302
Qube Research & Technologies (QRT)
United Kingdom
– -$1.15M -12,020 Closed
SO
303
STRS Ohio
Ohio
– -$891K -9,322 Closed
DA
304
Duality Advisers
Florida
– -$886K -9,258 Closed
DCM
305
Driehaus Capital Management
Illinois
– -$856K -8,950 Closed
AAM
306
Azzad Asset Management
Virginia
– -$814K -8,508 Closed
Walleye Trading
307
Walleye Trading
New York
– -$620K -6,480 Closed
JF
308
Jump Financial
Illinois
– -$593K -6,200 Closed
CA
309
Cetera Advisors
Colorado
– -$580K -6,066 Closed
AIM
310
Aigen Investment Management
New York
– -$549K -5,734 Closed
TFO
311
Tarbox Family Office
California
– -$526K -5,498 Closed
M&T Bank
312
M&T Bank
New York
– -$506K -5,292 Closed
WCM
313
Weld Capital Management
New York
– -$458K -4,784 Closed
Simplex Trading
314
Simplex Trading
Illinois
– -$411K -4,298 Closed
WAM
315
Wolverine Asset Management
Illinois
– -$408K -4,273 Closed
BAM
316
Blueshift Asset Management
New Jersey
– -$378K -3,950 Closed
Truist Financial
317
Truist Financial
North Carolina
– -$330K -3,454 Closed
FQ
318
First Quadrant
California
– -$307K -3,212 Closed
CPC
319
Cookson Peirce & Co
Pennsylvania
– -$301K -3,150 Closed
Sumitomo Mitsui Trust Group
320
Sumitomo Mitsui Trust Group
Japan
– -$294K -3,076 Closed
Ensign Peak Advisors
321
Ensign Peak Advisors
Utah
– -$256K -2,679 Closed
Bank of Nova Scotia
322
Bank of Nova Scotia
Ontario, Canada
– -$227K -2,372 Closed
GIA
323
Gladstone Institutional Advisory
Florida
– -$222K -2,321 Closed
AP
324
Appleton Partners
Massachusetts
– -$221K -2,310 Closed
IRF
325
IBM Retirement Fund
New York
– -$211K -2,208 Closed
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13
14