Institutions / Boxer Capital Management, LLC / Activity

Activity — Boxer Capital Management, LLC

102 moves.

BiggestNew positionsBiggest addsExits
InsidersInstitutions
DateActionCompanyValueShares ΔPosition afterImpact
Q4 2025
as of
NewUPB
Upstream Bio, Inc.
Common Stock
$4.07M+150K
150,000
0.89% of portfolio
low
Q2 2025
as of
AddReplimune Group, Inc.
Common stock
$3.86M+415K
+23.10%
2,211,341
4.50% of portfolio
low
Q4 2025
as of
NewVir Biotechnology, Inc.
Common stock
$3.77M+625K
625,000
0.82% of portfolio
low
Q4 2025
as of
NewInvivyd, Inc.
Common stock
$3.71M+1.5M
1,500,000
0.81% of portfolio
low
Q3 2025
as of
NewSLDB
Solid Biosciences Inc.
Common Stock
$3.70M+600K
600,000
0.81% of portfolio
low
Q3 2025
as of
NewDenali Therapeutics Inc.
Common stock
$3.63M+250K
250,000
0.79% of portfolio
low
Q4 2025
as of
ExitDenali Therapeutics Inc.
Common stock
$-3.63M-250K
-100.00%
0
low
Q2 2025
as of
ExitDenali Therapeutics Inc.
Common stock
$-3.40M-250K
-100.00%
0
low
Q2 2025
as of
TrimAmylyx Pharmaceuticals, Inc.
Common stock
$-3.37M-525K
-30.00%
1,225,000
1.72% of portfolio
low
Q3 2025
as of
AddProtagonist Therapeutics Inc
Common stock
$3.32M+50K
+83.33%
110,000
1.60% of portfolio
low
Q2 2025
as of
NewProtagonist Therapeutics Inc
Common stock
$3.32M+60K
60,000
0.73% of portfolio
low
Q2 2025
as of
NewNektar Therapeutics
Common stock
$3.23M+125K
125,000
0.71% of portfolio
low
Q2 2025
as of
TrimTango Therapeutics, Inc.
Common stock
$-3.12M-610K
-5.87%
9,771,485
10.95% of portfolio
low
Q4 2025
as of
TrimReplimune Group, Inc.
Common stock
$-2.92M-300K
-28.57%
750,000
1.60% of portfolio
low
Q3 2025
as of
NewPrecigen, Inc.
Common stock
$2.80M+850K
850,000
0.61% of portfolio
low
Q4 2025
as of
AddAvalo Therapeutics, Inc.
Common stock
$2.72M+150K
+120.00%
275,000
1.09% of portfolio
low
Q2 2025
as of
New171757206
Common stock
$2.68M+55K
55,000
0.59% of portfolio
low
Q4 2025
as of
AddPrecigen, Inc.
Common stock
$2.19M+525K
+61.76%
1,375,000
1.26% of portfolio
low
Q4 2025
as of
TrimSarepta Therapeutics, Inc.
Common stock
$-2.15M-100K
-40.00%
150,000
0.71% of portfolio
low
Q2 2025
as of
AddN90064101
Common stock
$2.08M+150K
+19.93%
899,500
2.74% of portfolio
low
Q3 2025
as of
NewApogee Therapeutics, Inc.
Common stock
$1.99M+50K
50,000
0.43% of portfolio
low
Q3 2025
as of
New60255C885
Common stock
$1.93M+164K
163,500
0.42% of portfolio
low
Q4 2025
as of
NewKaryopharm Therapeutics Inc.
Common stock
$1.86M+253K
252,536
0.41% of portfolio
low
Q3 2025
as of
NewMLTX
MoonLake Immunotherapeutics
Common Stock
$1.79M+250K
250,000
0.39% of portfolio
low
Q4 2025
as of
TrimM96088105
Common stock
$-1.76M-75K
-13.04%
500,000
2.56% of portfolio
low
Q4 2025
as of
TrimSLDB
Solid Biosciences Inc.
Common Stock
$-1.69M-300K
-50.00%
300,000
0.37% of portfolio
low
Q2 2025
as of
ExitPrelude Therapeutics Incorporated
Common stock
$-1.62M-2.1M
-100.00%
0
low
Q3 2025
as of
NewAvalo Therapeutics, Inc.
Common stock
$1.59M+125K
125,000
0.35% of portfolio
low
Q4 2025
as of
AddApogee Therapeutics, Inc.
Common stock
$1.51M+20K
+40.00%
70,000
1.16% of portfolio
low
Q4 2025
as of
TrimNurix Therapeutics, Inc.
Common stock
$-1.42M-75K
-42.86%
100,000
0.42% of portfolio
low
Q3 2025
as of
NewMilestone Pharmaceuticals Inc.
Common stock
$1.33M+667K
666,666
0.29% of portfolio
low
Q4 2025
as of
TrimAmylyx Pharmaceuticals, Inc.
Common stock
$-1.21M-100K
-11.11%
800,000
2.12% of portfolio
low
Q4 2025
as of
NewCLNN
Clene Inc.
Common Stock
$1.17M+200K
199,737
0.26% of portfolio
low
Q3 2025
as of
NewPepGen Inc.
Common stock
$1.16M+250K
250,000
0.25% of portfolio
low
Q3 2025
as of
NewLBRX
Lb Pharmaceuticals Inc
Common Stock
$1.11M+70K
70,000
0.24% of portfolio
low
Q4 2025
as of
Add171757206
Common stock
$1.10M+5K
+10.42%
53,000
2.56% of portfolio
low
Q4 2025
as of
Exit45783C200
Common stock
$-1.08M-61K
-100.00%
0
low
Q2 2025
as of
TrimKOD
Kodiak Sciences Inc.
Common Stock
$-1.06M-285K
-27.54%
750,000
0.61% of portfolio
low
Q2 2025
as of
NewKalVista Pharmaceuticals Inc
Common stock
$1.06M+93K
93,400
0.23% of portfolio
low
Q3 2025
as of
TrimKalVista Pharmaceuticals Inc
Common stock
$-889.1K-73K
-78.16%
20,400
0.05% of portfolio
low
Q4 2025
as of
AddPepGen Inc.
Common stock
$806.5K+124K
+49.56%
373,892
0.53% of portfolio
low
Q4 2025
as of
AddKymera Therapeutics, Inc.
Common stock
$778.1K+10K
+3.13%
329,100
5.60% of portfolio
low
Q4 2025
as of
Add00370M103
Common stock
$674.3K+5K
+4.17%
125,000
3.69% of portfolio
low
Q3 2025
as of
Trim171757206
Common stock
$-670.3K-7K
-12.73%
48,000
1.01% of portfolio
low
Q2 2025
as of
NewSarepta Therapeutics, Inc.
Common stock
$427.5K+25K
25,000
0.09% of portfolio
low
Q2 2025
as of
ExitBoundless Bio, Inc.
Common stock
$-377.5K-250K
-100.00%
0
low
Q4 2025
as of
AddMLTX
MoonLake Immunotherapeutics
Common Stock
$329.5K+25K
+10.00%
275,000
0.79% of portfolio
low
Q4 2025
as of
NewZura Bio Limited
Common stock
$262.0K+50K
50,000
0.06% of portfolio
low
Q4 2025
as of
AddInovio Pharmaceuticals, Inc.
Common stock
$209.0K+120K
+5.22%
2,420,122
0.92% of portfolio
low
Q2 2025
as of
Trim45783C200
Common stock
$-196.3K-9K
-11.76%
70,700
0.32% of portfolio
low
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