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PRTK

Paratek Pharmaceuticals, Inc.

Delisted

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

85 hedge funds and large institutions have $58.9M invested in Paratek Pharmaceuticals, Inc. in 2020 Q1 according to their latest regulatory filings, with 9 funds opening new positions, 27 increasing their positions, 32 reducing their positions, and 14 closing their positions.

New
Increased
Maintained
Reduced
Closed

20% more call options, than puts

Call options by funds: $580K | Put options by funds: $482K

9% less funds holding

Funds holding: 9385 (-8)

16% less repeat investments, than reductions

Existing positions increased: 27 | Existing positions reduced: 32

33% less funds holding in top 10

Funds holding in top 10: 32 (-1)

36% less first-time investments, than exits

New positions opened: 9 | Existing positions closed: 14

36% less capital invested

Capital invested by funds: $92.2M → $58.9M (-$33.3M)

Holders
85
Holders Change
-8
Holders Change %
-8.6%
% of All Funds
1.87%
Holding in Top 10
2
Holding in Top 10 Change
-1
Holding in Top 10 Change %
-33.33%
% of All Funds
0.04%
New
9
Increased
27
Reduced
32
Closed
14
Calls
$580K
Puts
$482K
Net Calls
+$98K
Net Calls Change
+$162K
Name Holding Trade Value Shares
Change
Change in
Stake
OFM
1
Omega Fund Management
Massachusetts
$8.19M
BlackRock
2
BlackRock
New York
$7.59M +$313K +84,937 +4%
Vanguard Group
3
Vanguard Group
Pennsylvania
$4.81M +$545K +147,791 +11%
RSCM
4
Rock Springs Capital Management
Maryland
$4.81M +$4.25M +1,151,310 +307%
A
5
Abingworth
United Kingdom
$3.24M
GAI
6
General American Investors
New York
$2.53M +$586K +158,861 +25%
GIM
7
Granahan Investment Management
Massachusetts
$2.21M -$34.5K -9,363 -1%
State Street
8
State Street
Massachusetts
$2.06M -$97.9K -26,541 -4%
Geode Capital Management
9
Geode Capital Management
Massachusetts
$1.81M +$362K +98,169 +21%
D.E. Shaw & Co
10
D.E. Shaw & Co
New York
$1.77M +$1.11M +301,041 +116%
BC
11
Bruce & Co
Illinois
$1.47M +$738K +200,000 +75%
IAM
12
ICM Asset Management
Washington
$1.41M -$1.84K -500 -0.1%
FIG
13
Fortress Investment Group
New York
$1.37M
Northern Trust
14
Northern Trust
Illinois
$1.34M +$93.5K +25,342 +6%
WIC
15
Water Island Capital
New York
$1.11M -$246K -66,740 -16%
Balyasny Asset Management
16
Balyasny Asset Management
Illinois
$1.07M +$1.25M +339,869 New
BBHC
17
Brown Brothers Harriman & Co
New York
$907K
Stifel Financial
18
Stifel Financial
Missouri
$872K +$221K +59,909 +28%
TMC
19
Trellus Management Company
Florida
$717K +$297K +80,645 +55%
Charles Schwab
20
Charles Schwab
California
$711K +$90.6K +24,569 +12%
Goldman Sachs
21
Goldman Sachs
New York
$681K -$461K -125,012 -37%
N
22
Nuveen
North Carolina
$610K +$322K +87,258 +82%
APCM
23
Arbiter Partners Capital Management
New York
$608K -$2.42M -654,945 -77%
JGC
24
J. Goldman & Co
New York
$591K +$324K +87,755 +88%
NAM
25
Nexpoint Asset Management
Texas
$507K -$2.97M -805,623 -83%

PRTK Hedge Fund Activity: Q1 2020 in Review

85 of the 4,538 institutional investors tracked by Wall St. Rank reported a position in Paratek Pharmaceuticals, Inc. (PRTK) for Q1 2020, worth a combined $58.9M — down 36% from $92.2M a quarter earlier.

Sellers outnumbered buyers: 14 funds closed out of PRTK and 9 opened new positions — a net loss of 5 holders — while 32 trimmed existing stakes and 27 added.

The largest buyer was Rock Springs Capital Management, adding an estimated $4.25M. The largest seller was Armistice Capital, exiting entirely with an estimated $9.14M sold.

  • 85 institutional investors held Paratek Pharmaceuticals, Inc. (PRTK) as of Q1 2020, down from 93 in Q4 2019.
  • Funds reported $58.9M of Paratek Pharmaceuticals, Inc. stock for Q1 2020, down 36% quarter-over-quarter.
  • 9 funds opened new Paratek Pharmaceuticals, Inc. positions in Q1 2020 and 14 closed out, a net change of -5 holders.
  • The largest Paratek Pharmaceuticals, Inc. buyer in Q1 2020 was Rock Springs Capital Management, an estimated $4.25M added.
  • The largest Paratek Pharmaceuticals, Inc. seller in Q1 2020 was Armistice Capital, an estimated $9.14M sold.

Based on aggregated 13F filings for Q1 2020.