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Tandem Diabetes Care
TNDM

Overview Fund Activity

308 hedge funds and large institutions have $5.59B invested in Tandem Diabetes Care in 2020 Q4 according to their latest regulatory filings, with 50 funds opening new positions, 111 increasing their positions, 104 reducing their positions, and 59 closing their positions.

New
Increased
Maintained
Reduced
Closed
Holders
308
Holders Change
-13
Holders Change %
-4.05%
% of All Funds
5.46%
Holding in Top 10
6
Holding in Top 10 Change
-2
Holding in Top 10 Change %
-25%
% of All Funds
0.11%
New
50
Increased
111
Reduced
104
Closed
59
Calls
$121M
Puts
$62.6M
Net Calls
+$58.8M
Net Calls Change
-$23.4M

Top Buyers

1
JSP
Jackson Square Partners
California
$305M
2
Capital World Investors
Capital World Investors
California
$294M
3
CS
Credit Suisse
Switzerland
$135M
4
SEI Investments
SEI Investments
Pennsylvania
$52.8M
5
Morgan Stanley
Morgan Stanley
New York
$46M

Top Sellers

1
Wellington Management Group
Wellington Management Group
Massachusetts
$217M
2
HRCM
Hood River Capital Management
Florida
$0
3
EAM
Eagle Asset Management
Florida
$35.3M
4
WRF
Waddell & Reed Financial
Kansas
$83.8M
5
DCM
Driehaus Capital Management
Illinois
$856K
Name Holding Trade Value Shares
Change 		Shares
Change %
HRCM
301
Hood River Capital Management
Florida
– -$42M -370,127 Closed
Balyasny Asset Management
302
Balyasny Asset Management
Illinois
– -$32.4M -285,720 Closed
Two Sigma Investments
303
Two Sigma Investments
New York
– -$25.7M -226,360 Closed
CM
304
Castleark Management
Illinois
– -$15M -131,850 Closed
ACM
305
Atika Capital Management
New York
– -$13.4M -117,800 Closed
SI
306
Scout Investments
Missouri
– -$11.5M -101,315 Closed
LCG
307
Lisanti Capital Growth
New York
– -$11.4M -100,345 Closed
ZCM
308
Ziegler Capital Management
Illinois
– -$6.31M -55,616 Closed
Calamos Advisors
309
Calamos Advisors
Illinois
– -$4.79M -42,160 Closed
1832 Asset Management
310
1832 Asset Management
Ontario, Canada
– -$4.74M -41,800 Closed
Nomura Asset Management
311
Nomura Asset Management
Japan
– -$3.41M -30,000 Closed
LP
312
LMR Partners
United Kingdom
– -$3.27M -28,801 Closed
Twin Tree Management
313
Twin Tree Management
Texas
– -$3.15M -27,735 Closed
Point72 Asset Management
314
Point72 Asset Management
Connecticut
– -$2.73M -24,082 Closed
KWILP
315
Kiwi Wealth Investments Limited Partnership
New Zealand
– -$2.27M -20,017 Closed
SSA
316
Schonfeld Strategic Advisors
New York
– -$2.2M -19,358 Closed
HCMT
317
Highland Capital Management (Tennessee)
Tennessee
– -$2.1M -18,458 Closed
TRSOTSOK
318
Teachers Retirement System of the State of Kentucky
Kentucky
– -$1.93M -16,990 Closed
Squarepoint
319
Squarepoint
New York
– -$1.85M -16,256 Closed
AAS
320
Avantax Advisory Services
Texas
– -$1.48M -13,016 Closed
EI
321
EAM Investors
California
– -$1.33M -11,738 Closed
LSA
322
L & S Advisors
California
– -$1.15M -10,127 Closed
VF
323
Virtu Financial
New York
– -$979K -8,622 Closed
MAG
324
Millrace Asset Group
Pennsylvania
– -$845K -7,448 Closed
FA
325
Fagan Associates
New York
– -$776K -6,840 Closed
11 12
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