PHAT icon

Phathom Pharmaceuticals
PHAT

Overview Fund Activity

117 hedge funds and large institutions have $550M invested in Phathom Pharmaceuticals in 2025 Q2 according to their latest regulatory filings, with 18 funds opening new positions, 43 increasing their positions, 37 reducing their positions, and 36 closing their positions.

New
Increased
Maintained
Reduced
Closed
Holders
117
Holders Change
-20
Holders Change %
-14.6%
% of All Funds
1.57%
Holding in Top 10
6
Holding in Top 10 Change
–
Holding in Top 10 Change %
–
% of All Funds
0.08%
New
18
Increased
43
Reduced
37
Closed
36
Calls
$15.4M
Puts
$12.1M
Net Calls
+$3.22M
Net Calls Change
+$2.99M

Top Buyers

1
FLSM
1
Frazier Life Sciences Management
California
$120M
2
Millennium Management
2
Millennium Management
New York
$21.6M
3
CCM
3
Catalio Capital Management
New York
$6.45M
4
6CM
4
683 Capital Management
New York
$20.2M
5
MCM
5
Moore Capital Management
New York
$5.75M

Top Sellers

1
Jennison Associates
1
Jennison Associates
New York
$0
2
Morgan Stanley
2
Morgan Stanley
New York
$1.49M
3
TCM
3
Tang Capital Management
California
$0
4
WP
4
Woodline Partners
California
$1.8M
5
Fidelity Investments
5
Fidelity Investments
Massachusetts
$56.4K
Name Holding Trade Value Shares
Change 		Shares
Change %
SSA
26
Schonfeld Strategic Advisors
New York
$2.94M +$2.94M +306,399 New
SPS
27
Susquehanna Portfolio Strategies
Pennsylvania
$2.57M +$2.57M +267,962 New
Goldman Sachs
28
Goldman Sachs
New York
$1.85M +$44.6K +4,652 +2%
WP
29
Woodline Partners
California
$1.8M -$5.41M -564,401 -75%
Ameriprise
30
Ameriprise
Minnesota
$1.73M +$1.73M +180,851 New
Royal Bank of Canada
31
Royal Bank of Canada
Ontario, Canada
$1.52M +$1.42M +147,759 +1,451%
Morgan Stanley
32
Morgan Stanley
New York
$1.49M -$9.36M -976,104 -86%
JPMorgan Chase & Co
33
JPMorgan Chase & Co
New York
$1.33M +$10.8K +1,123 +0.8%
Susquehanna International Group
34
Susquehanna International Group
Pennsylvania
$1.29M -$258K -26,930 -17%
Bank of New York Mellon
35
Bank of New York Mellon
New York
$1.16M +$63.6K +6,631 +6%
NL
36
Nuveen LLC
North Carolina
$1.06M +$82.4K +8,590 +8%
Bank of America
37
Bank of America
North Carolina
$921K -$712K -74,201 -44%
State of Wisconsin Investment Board
38
State of Wisconsin Investment Board
Wisconsin
$871K -$86.3K -8,995 -9%
Barclays
39
Barclays
United Kingdom
$788K +$261K +27,268 +50%
RhumbLine Advisers
40
RhumbLine Advisers
Massachusetts
$619K +$75K +7,818 +14%
ACM
41
ADAR1 Capital Management
Texas
$608K +$198K +20,624 +48%
PMAM
42
Penn Mutual Asset Management
Pennsylvania
$602K – – –
Creative Planning
43
Creative Planning
Kansas
$549K -$25.6K -2,673 -4%
AllianceBernstein
44
AllianceBernstein
Tennessee
$485K +$48K +5,000 +11%
AQR Capital Management
45
AQR Capital Management
Connecticut
$479K -$551K -57,475 -54%
Wells Fargo
46
Wells Fargo
California
$448K +$175K +18,253 +64%
VIA
47
Virtus Investment Advisers
Connecticut
$425K -$6.31K -658 -1%
DP
48
Diadema Partners
New Jersey
$386K +$386K +40,294 New
NRD
49
Nebula Research & Development
New York
$364K +$87.4K +9,116 +32%
A
50
AlphaQuest
New York
$309K +$295K +30,760 +2,127%
1
2
3 4 5