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Assembly Biosciences
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Overview Fund Activity

34 hedge funds and large institutions have $143M invested in Assembly Biosciences in 2015 Q1 according to their latest regulatory filings, with 14 funds opening new positions, 12 increasing their positions, 2 reducing their positions, and 4 closing their positions.

Holders
34
Holders Change
+10
Holders Change %
+41.67%
% of All Funds
0.91%
Holding in Top 10
1
Holding in Top 10 Change
+1
Holding in Top 10 Change %
%
% of All Funds
0.03%
New
14
Increased
12
Reduced
2
Closed
4
Calls
–
Puts
–
Net Calls
–
Net Calls Change
–

Top Buyers

1
O
1
OrbiMed
New York
$17.9M
2
Jennison Associates
2
Jennison Associates
New York
$26.4M
3
VAM
3
Visium Asset Management
New York
$19.9M
4
EC
4
EcoR1 Capital
California
$20.8M
5
HM
5
HealthCor Management
New York
$6.29M

Top Sellers

1
ACP
1
Acuta Capital Partners
California
$0
2
Citigroup
2
Citigroup
New York
$13K
3
UBS Group
3
UBS Group
Switzerland
$0
4
BRWA
4
B. Riley Wealth Advisors
Florida
$0
Name Market Value Shares Shares
Change 		Shares
Change %
Jennison Associates
1
Jennison Associates
New York
$26.4M 1,995,927 +1,102,014 +123%
EC
2
EcoR1 Capital
California
$20.8M 1,574,107 +564,355 +56%
VAM
3
Visium Asset Management
New York
$19.9M 1,500,000 +665,716 +80%
O
4
OrbiMed
New York
$17.9M 1,350,000 +1,350,000 New
QF
5
QVT Financial
New York
$7.08M 535,000 – –
HM
6
HealthCor Management
New York
$6.29M 475,000 +475,000 New
PA
7
Perceptive Advisors
New York
$5.63M 425,000 +425,000 New
Millennium Management
8
Millennium Management
New York
$5.32M 401,792 +303,257 +308%
PI
9
Putnam Investments
Massachusetts
$4.9M 370,000 +370,000 New
RSCM
10
Rock Springs Capital Management
Maryland
$4.2M 317,500 +317,500 New
Vanguard Group
11
Vanguard Group
Pennsylvania
$4.16M 314,415 +187,806 +148%
BIT
12
BlackRock Institutional Trust
California
$3.55M 268,282 +5,966 +2%
BBA
13
Baker Bros. Advisors
New York
$3.31M 250,000 +250,000 New
RI
14
RTW Investments
New York
$2.7M 204,000 – –
IHM
15
Iguana Healthcare Management
New York
$1.99M 150,000 +100,000 +200%
GTC
16
Ghost Tree Capital
New York
$1.66M 125,000 +60,000 +92%
Fidelity Investments
17
Fidelity Investments
Massachusetts
$1.32M 100,000 – –
SFM
18
Sphera Funds Management
Israel
$1.32M 100,000 +100,000 New
OPPM
19
Opus Point Partners Management
New York
$861K 65,000 +65,000 New
Geode Capital Management
20
Geode Capital Management
Massachusetts
$771K 58,267 +21,188 +57%
MIM
21
Monashee Investment Management
Massachusetts
$636K 48,000 +48,000 New
Morgan Stanley
22
Morgan Stanley
New York
$405K 30,597 +1,782 +6%
Renaissance Technologies
23
Renaissance Technologies
New York
$320K 24,160 +4,900 +25%
Tudor Investment Corp
24
Tudor Investment Corp
Connecticut
$314K 23,750 +23,750 New
Goldman Sachs
25
Goldman Sachs
New York
$238K 17,939 +7,309 +69%
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