PRTK

Paratek Pharmaceuticals, Inc.
PRTK

Overview Fund Activity
Delisted

PRTK was delisted on the 20th of September, 2023.

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93 hedge funds and large institutions have $92.2M invested in Paratek Pharmaceuticals, Inc. in 2019 Q4 according to their latest regulatory filings, with 14 funds opening new positions, 38 increasing their positions, 22 reducing their positions, and 12 closing their positions.

Holders
93
Holders Change
+2
Holders Change %
+2.2%
% of All Funds
1.84%
Holding in Top 10
3
Holding in Top 10 Change
-1
Holding in Top 10 Change %
-25%
% of All Funds
0.06%
New
14
Increased
38
Reduced
22
Closed
12
Calls
$350K
Puts
$414K
Net Calls
-$64K
Net Calls Change
-$309K

Top Buyers

1
JPMorgan Chase & Co
1
JPMorgan Chase & Co
New York
$6.17M
2
AC
2
Armistice Capital
New York
$9.14M
3
GIM
3
Granahan Investment Management
Massachusetts
$2.87M
4
PM
4
Prosight Management
Texas
$1.81M
5
D.E. Shaw & Co
5
D.E. Shaw & Co
New York
$1.05M

Top Sellers

1
BG
1
Baupost Group
Massachusetts
$0
2
RAM
2
Roumell Asset Management
Maryland
$1.37M
3
BlackRock
3
BlackRock
New York
$9.37M
4
RA
4
Royce & Associates
New York
$0
5
APCM
5
Arbiter Partners Capital Management
New York
$3.42M
Name Market Value Shares Shares
Change 		Shares
Change %
OFM
1
Omega Fund Management
Massachusetts
$10.5M 2,600,410 – –
BlackRock
2
BlackRock
New York
$9.37M 2,323,912 -322,988 -12%
AC
3
Armistice Capital
New York
$9.14M 2,268,000 +696,000 +44%
JPMorgan Chase & Co
4
JPMorgan Chase & Co
New York
$6.17M 1,531,181 +1,239,133 +424%
Vanguard Group
5
Vanguard Group
Pennsylvania
$5.56M 1,378,882 +31,045 +2%
A
6
Abingworth
United Kingdom
$4.19M 1,041,131 – –
NAM
7
Nexpoint Asset Management
Texas
$3.9M 966,493 – –
APCM
8
Arbiter Partners Capital Management
New York
$3.42M 848,069 -258,353 -23%
GIM
9
Granahan Investment Management
Massachusetts
$2.87M 712,095 +534,222 +300%
State Street
10
State Street
Massachusetts
$2.74M 679,099 +5,320 +0.8%
GAI
11
General American Investors
New York
$2.6M 644,323 -105,337 -14%
Geode Capital Management
12
Geode Capital Management
Massachusetts
$1.91M 475,229 +68,716 +17%
PM
13
Prosight Management
Texas
$1.81M 450,000 +450,000 New
IAM
14
ICM Asset Management
Washington
$1.81M 448,315 +163,000 +57%
FIG
15
Fortress Investment Group
New York
$1.75M 433,804 – –
WIC
16
Water Island Capital
New York
$1.69M 418,681 -13,043 -3%
Northern Trust
17
Northern Trust
Illinois
$1.61M 398,800 -27,589 -6%
RSCM
18
Rock Springs Capital Management
Maryland
$1.51M 375,000 -75,000 -17%
Goldman Sachs
19
Goldman Sachs
New York
$1.38M 341,322 +208,755 +157%
RAM
20
Roumell Asset Management
Maryland
$1.37M 340,323 -413,559 -55%
Norges Bank
21
Norges Bank
Norway
$1.17M 289,008 – –
BBHC
22
Brown Brothers Harriman & Co
New York
$1.16M 287,902 – –
BC
23
Bruce & Co
Illinois
$1.07M 266,552 – –
D.E. Shaw & Co
24
D.E. Shaw & Co
New York
$1.05M 260,083 +242,063 +1,343%
Stifel Financial
25
Stifel Financial
Missouri
$874K 217,164 +68,644 +46%
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