We are live on ! Find out more
PHAT icon

Phathom Pharmaceuticals

84 hedge funds and large institutions have $220M invested in Phathom Pharmaceuticals in 2023 Q1 according to their latest regulatory filings, with 17 funds opening new positions, 32 increasing their positions, 18 reducing their positions, and 18 closing their positions.

New
Increased
Maintained
Reduced
Closed

11,188% more call options, than puts

Call options by funds: $1.81M | Put options by funds: $16K

78% more repeat investments, than reductions

Existing positions increased: 32 | Existing positions reduced: 18

5.56% more ownership

Funds ownership: 67.79%73.35% (+5.6%)

6% less first-time investments, than exits

New positions opened: 17 | Existing positions closed: 18

3% less funds holding

Funds holding: 8784 (-3)

31% less capital invested

Capital invested by funds: $317M → $220M (-$96.9M)

33% less funds holding in top 10

Funds holding in top 10: 32 (-1)

Holders
84
Holders Change
-3
Holders Change %
-3.45%
% of All Funds
1.34%
Holding in Top 10
2
Holding in Top 10 Change
-1
Holding in Top 10 Change %
-33.33%
% of All Funds
0.03%
New
17
Increased
32
Reduced
18
Closed
18
Calls
$1.81M
Puts
$16K
Net Calls
+$1.79M
Net Calls Change
+$1.78M
Name Holding Trade Value Shares
Change
Change in
Stake
FLSM
1
Frazier Life Sciences Management
California
$60M
CG
2
Carlyle Group
District of Columbia
$20.9M +$25.8M +2,935,106 New
MVM
3
Medicxi Ventures Management
Jersey
$17.7M
Invesco
4
Invesco
Georgia
$15.6M -$228K -25,977 -1%
APM
5
Avidity Partners Management
Texas
$14.6M +$1.31M +148,600 +8%
Ensign Peak Advisors
6
Ensign Peak Advisors
Utah
$12.6M
BlackRock
7
BlackRock
New York
$11.7M -$540K -61,521 -4%
6CM
8
683 Capital Management
New York
$9.46M -$215K -24,500 -2%
Vanguard Group
9
Vanguard Group
Pennsylvania
$8.41M +$886K +100,892 +9%
NM
10
Newtyn Management
New York
$4.87M +$1.74M +197,953 +41%
GKIM
11
GW&K Investment Management
Massachusetts
$4.28M +$41.2K +4,691 +0.8%
GGHC
12
Gilder Gagnon Howe & Co
New York
$3.95M +$17.6K +2,002 +0.4%
OM
13
Opaleye Management
Massachusetts
$3.54M +$690K +78,500 +19%
State Street
14
State Street
Massachusetts
$3.31M +$109K +12,394 +3%
Geode Capital Management
15
Geode Capital Management
Massachusetts
$3.2M +$119K +13,567 +3%
SG
16
StepStone Group
California
$3.01M
Bank of America
17
Bank of America
North Carolina
$1.81M +$1.65M +188,023 +287%
SAM
18
Simplify Asset Management
Nevada
$1.7M +$2.09M +237,935 New
Northern Trust
19
Northern Trust
Illinois
$1.52M +$16.3K +1,852 +0.9%
MB
20
MPM BioImpact
Massachusetts
$1.52M +$146K +16,673 +9%
SCM
21
Silverarc Capital Management
Massachusetts
$1.43M +$1.76M +200,000 New
Citadel Advisors
22
Citadel Advisors
Florida
$1.35M +$1.64M +186,731 +10,652%
Charles Schwab
23
Charles Schwab
California
$1.23M -$14.5K -1,647 -1%
Susquehanna International Group
24
Susquehanna International Group
Pennsylvania
$1.05M +$1.05M +119,849 +451%
JP Morgan Chase
25
JP Morgan Chase
New York
$954K +$39K +4,438 +3%

PHAT Hedge Fund Activity: Q1 2023 in Review

84 of the 6,275 institutional investors tracked by Wall St. Rank reported a position in Phathom Pharmaceuticals (PHAT) for Q1 2023, worth a combined $220M — down 31% from $317M a quarter earlier.

Sellers outnumbered buyers: 18 funds closed out of PHAT and 17 opened new positions — a net loss of 1 holder — while 18 trimmed existing stakes and 32 added.

The largest buyer was Carlyle Group, opening a new position worth an estimated $25.8M. The largest seller was Rhenman & Partners Asset Management, exiting entirely with an estimated $2.64M sold.

  • 84 institutional investors held Phathom Pharmaceuticals (PHAT) as of Q1 2023, down from 87 in Q4 2022.
  • Funds reported $220M of Phathom Pharmaceuticals stock for Q1 2023, down 31% quarter-over-quarter.
  • 17 funds opened new Phathom Pharmaceuticals positions in Q1 2023 and 18 closed out, a net change of -1 holder.
  • The largest Phathom Pharmaceuticals buyer in Q1 2023 was Carlyle Group, an estimated $25.8M added.
  • The largest Phathom Pharmaceuticals seller in Q1 2023 was Rhenman & Partners Asset Management, an estimated $2.64M sold.

Based on aggregated 13F filings for Q1 2023.