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AtriCure
ATRC

105 hedge funds and large institutions have $498M invested in AtriCure in 2014 Q4 according to their latest regulatory filings, with 10 funds opening new positions, 33 increasing their positions, 41 reducing their positions, and 14 closing their positions.

New
Increased
Maintained
Reduced
Closed

42% more capital invested

Capital invested by funds: $350M → $498M (+$148M)

33% more funds holding in top 10

Funds holding in top 10: 3 → 4 (+1)

6% less funds holding

Funds holding: 112 → 105 (-7)

20% less repeat investments, than reductions

Existing positions increased: 33 | Existing positions reduced: 41

29% less first-time investments, than exits

New positions opened: 10 | Existing positions closed: 14

Holders
105
Holders Change
-7
Holders Change %
-6.25%
% of All Funds
2.8%
Holding in Top 10
4
Holding in Top 10 Change
+1
Holding in Top 10 Change %
+33.33%
% of All Funds
0.11%
New
10
Increased
33
Reduced
41
Closed
14
Calls
–
Puts
–
Net Calls
–
Net Calls Change
–

Top Buyers

Rank Fund Capital Flow
1
Millennium Management
Millennium Management
New York
+$6.75M
2
Massachusetts Financial Services
Massachusetts Financial Services
Massachusetts
+$5.51M
3
Fidelity Investments
Fidelity Investments
Massachusetts
+$4.79M
4
DCM
Driehaus Capital Management
Illinois
+$4M
5
RIM
RS Investment Management
California
+$3.29M

Top Sellers

Rank Fund Capital Flow
1
CM
Castleark Management
Illinois
-$10.7M
2
GTC
Ghost Tree Capital
New York
-$2.57M
3
Federated Hermes
Federated Hermes
Pennsylvania
-$2.57M
4
BC
Broadfin Capital
New York
-$1.72M
5
TAM
THB Asset Management
Connecticut
-$1.46M
Name Holding Trade Value Shares
Change 		Change in
Stake
BIM
51
BlackRock Investment Management
Delaware
$2.14M -$4.75K -277 -0.3%
EIM
52
Essex Investment Management
Massachusetts
$2.11M -$297K -17,326 -14%
TCIM
53
TIAA CREF Investment Management
New York
$2.04M -$66.9K -3,900 -4%
GTC
54
Ghost Tree Capital
New York
$2M -$2.57M -150,000 -60%
PCM
55
Perkins Capital Management
Minnesota
$1.68M -$8.58K -500 -0.6%
MAA
56
Managed Account Advisors
New Jersey
$1.54M -$334K -19,453 -20%
CCM
57
Cadence Capital Management
Massachusetts
$1.35M +$1.16M +67,850 New
TI
58
Turner Investments
Pennsylvania
$1.26M -$104K -6,080 -9%
Invesco
59
Invesco
Georgia
$1.22M +$963K +56,136 +1,141%
UOC
60
UBS O'Connor
Illinois
$1.2M – – –
D.E. Shaw & Co
61
D.E. Shaw & Co
New York
$1.12M +$274K +15,992 +40%
HighTower Advisors
62
HighTower Advisors
Illinois
$1.08M – – –
California State Teachers Retirement System (CalSTRS)
63
California State Teachers Retirement System (CalSTRS)
California
$1.01M +$3.71K +216 +0.4%
Victory Capital Management
64
Victory Capital Management
Texas
$917K +$788K +45,917 New
BCM
65
Bridgeway Capital Management
Texas
$878K -$765K -44,550 -50%
California Public Employees Retirement System
66
California Public Employees Retirement System
California
$877K – – –
Charles Schwab
67
Charles Schwab
California
$829K – – –
KeyBank National Association
68
KeyBank National Association
Ohio
$774K – – –
TA
69
Teachers Advisors
New York
$772K – – –
OAM
70
Oberweis Asset Management
Illinois
$758K – – –
AAP
71
Ardsley Advisory Partners
Connecticut
$739K +$292K +17,000 +85%
AQR Capital Management
72
AQR Capital Management
Connecticut
$719K -$160K -9,300 -21%
AllianceBernstein
73
AllianceBernstein
Tennessee
$675K +$328K +19,100 +130%
SEI Investments
74
SEI Investments
Pennsylvania
$604K +$519K +30,236 New
WMSA
75
Weiss Multi-Strategy Advisers
New York
$599K -$85.8K -5,000 -14%
1 2
3
4 5

ATRC Hedge Fund Activity: Q4 2014 in Review

105 of the 3,749 institutional investors tracked by Wall St. Rank reported a position in AtriCure (ATRC) for Q4 2014, worth a combined $498M — up 42% from $350M a quarter earlier.

Sellers outnumbered buyers: 14 funds closed out of ATRC and 10 opened new positions — a net loss of 4 holders — while 41 trimmed existing stakes and 33 added.

The largest buyer was Millennium Management, adding an estimated $6.75M. The largest seller was Castleark Management, exiting entirely with an estimated $10.7M sold.

  • 105 institutional investors held AtriCure (ATRC) as of Q4 2014, down from 112 in Q3 2014.
  • Funds reported $498M of AtriCure stock for Q4 2014, up 42% quarter-over-quarter.
  • 10 funds opened new AtriCure positions in Q4 2014 and 14 closed out, a net change of -4 holders.
  • The largest AtriCure buyer in Q4 2014 was Millennium Management, an estimated $6.75M added.
  • The largest AtriCure seller in Q4 2014 was Castleark Management, an estimated $10.7M sold.

Based on aggregated 13F filings for Q4 2014.