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Tandem Diabetes Care
TNDM

89 hedge funds and large institutions have $238M invested in Tandem Diabetes Care in 2015 Q1 according to their latest regulatory filings, with 31 funds opening new positions, 36 increasing their positions, 11 reducing their positions, and 8 closing their positions.

New
Increased
Maintained
Reduced
Closed

288% more first-time investments, than exits

New positions opened: 31 | Existing positions closed: 8

227% more repeat investments, than reductions

Existing positions increased: 36 | Existing positions reduced: 11

48% more capital invested

Capital invested by funds: $160M → $238M (+$77.2M)

35% more funds holding

Funds holding: 66 → 89 (+23)

99% less call options, than puts

Call options by funds: $6K | Put options by funds: $1.11M

Holders
89
Holders Change
+23
Holders Change %
+34.85%
% of All Funds
2.37%
Holding in Top 10
–
Holding in Top 10 Change
–
Holding in Top 10 Change %
–
% of All Funds
–
New
31
Increased
36
Reduced
11
Closed
8
Calls
$6K
Puts
$1.11M
Net Calls
-$1.11M
Net Calls Change
-$1.09M

Top Buyers

1
FCM
Frontier Capital Management
Massachusetts
+$21M
2
Westfield Capital Management
Westfield Capital Management
Massachusetts
+$8.91M
3
Franklin Resources
Franklin Resources
California
+$8.7M
4
Fidelity Investments
Fidelity Investments
Massachusetts
+$8.45M
5
Millennium Management
Millennium Management
New York
+$7.76M

Top Sellers

1
Jennison Associates
Jennison Associates
New York
-$8.89M
2
AllianceBernstein
AllianceBernstein
Tennessee
-$6.29M
3
CAM
Cortina Asset Management
Wisconsin
-$4.08M
4
GTC
Ghost Tree Capital
New York
-$1.27M
5
Goldman Sachs
Goldman Sachs
New York
-$1.01M
Name Holding Trade Value Shares
Change 		Change in
Stake
Deutsche Bank
26
Deutsche Bank
Germany
$1.64M +$887K +6,821 +111%
Ameriprise
27
Ameriprise
Minnesota
$1.54M +$797K +6,130 +101%
BIT
28
BlackRock Institutional Trust
California
$1.45M +$626K +4,816 +73%
SAM
29
Sectoral Asset Management
Quebec, Canada
$1.41M -$260K -2,000 -15%
Geode Capital Management
30
Geode Capital Management
Massachusetts
$1.37M +$621K +4,773 +78%
Northern Trust
31
Northern Trust
Illinois
$1.33M +$129K +990 +10%
BC
32
Broadfin Capital
New York
$1.29M +$1.33M +10,196 New
SIA
33
Sit Investment Associates
Minnesota
$1.23M +$1.27M +9,745 New
Renaissance Technologies
34
Renaissance Technologies
New York
$1.12M +$1.16M +8,910 New
Bank of America
35
Bank of America
North Carolina
$1.1M -$156K -1,202 -12%
DCM
36
DAFNA Capital Management
California
$963K +$993K +7,634 New
AGC
37
Alden Global Capital
Florida
$955K +$984K +7,570 New
Bank of Montreal
38
Bank of Montreal
Ontario, Canada
$884K +$910K +7,000 +140,000%
MIM
39
Monashee Investment Management
Massachusetts
$858K +$884K +6,800 New
New York State Common Retirement Fund
40
New York State Common Retirement Fund
New York
$832K – – –
AA
41
AQR Arbitrage
Connecticut
$792K +$816K +6,272 New
JP Morgan Chase
42
JP Morgan Chase
New York
$649K +$668K +5,140 New
BAMS
43
Bellevue Asset Management (Switzerland)
Switzerland
$631K +$650K +5,000 New
UOC
44
UBS O'Connor
Illinois
$597K +$615K +4,730 New
PSC
45
Piper Sandler & Co
Minnesota
$568K +$195K +1,500 +50%
TCIM
46
TIAA CREF Investment Management
New York
$411K +$36.7K +282 +9%
BIM
47
BlackRock Investment Management
Delaware
$391K +$85.4K +657 +27%
Ohio Public Employees Retirement System (OPERS)
48
Ohio Public Employees Retirement System (OPERS)
Ohio
$390K – – –
Charles Schwab
49
Charles Schwab
California
$387K +$27.2K +209 +7%
LCM
50
Laurion Capital Management
New York
$378K +$389K +2,993 New
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TNDM Hedge Fund Activity: Q1 2015 in Review

89 of the 3,752 institutional investors tracked by Wall St. Rank reported a position in Tandem Diabetes Care (TNDM) for Q1 2015, worth a combined $238M — up 48% from $160M a quarter earlier.

Buyers outnumbered sellers: 31 funds opened new TNDM positions and 8 closed out — a net gain of 23 holders — while 36 added to existing stakes and 11 trimmed.

The largest buyer was Frontier Capital Management, opening a new position worth an estimated $21M. The largest seller was Jennison Associates, exiting entirely with an estimated $8.89M sold.

  • 89 institutional investors held Tandem Diabetes Care (TNDM) as of Q1 2015, up from 66 in Q4 2014.
  • Funds reported $238M of Tandem Diabetes Care stock for Q1 2015, up 48% quarter-over-quarter.
  • 31 funds opened new Tandem Diabetes Care positions in Q1 2015 and 8 closed out, a net change of +23 holders.
  • The largest Tandem Diabetes Care buyer in Q1 2015 was Frontier Capital Management, an estimated $21M added.
  • The largest Tandem Diabetes Care seller in Q1 2015 was Jennison Associates, an estimated $8.89M sold.

Based on aggregated 13F filings for Q1 2015.