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Filers›Holding Co.›M28 Capital Management LP
DOSSIER · 13F-HR · Q1 2026

M28 Capital Management LP

M28's holding co. based in London, UK — $54M in tracked AUM across 9 positions as of Q1 2026.

M
M28·London, UK·Holding Co.
CIK 0001807489 · last filed Mar 31, 2026
Total AUM
$54M
▼ 12.2%
vs prior
Holdings
9
—
positions
Whale Score
67
67
tracked
Activity
—
no data
changes this Q
Top sector
Tech
39% weight
concentration
AI Analysis · Q1 2026 · Q1 2026

1. Portfolio Overview

M28 Capital Management LP presents a highly concentrated, high-conviction investment portfolio with a distinct focus on the biotechnology and healthcare sectors. As of the report date September 30, 2025, the firm managed approximately $67.14 million across just eight holdings. This represents a growth of 14.5% from the previous quarter's value of $58.63 million.

The portfolio is characterized by extreme concentration risk, with the top two positions comprising nearly ...

Quarter at a glance — Q1 2026

Position-change comparison pending.

No quarter-over-quarter changes available.

Top 10 holdings

By portfolio weight as of Q1 2026.

#HoldingValueSharesWeight
01
Y95308105
WAVE LIFE SCIENCES LTD
$33M4.6M61.8%
02
IVVD
INVIVYD INC
$12M9.2M22.3%
03
TGTX
TG THERAPEUTICS INC
$3M88K5.5%
04
ARWR
ARROWHEAD PHARMACEUTICALS IN
$2M37K4.3%
05
N71542109
PROQR THRAPEUTICS N V
$971,665600K1.8%
06
GUTS
FRACTYL HEALTH INC
$849,7301.9M1.6%
07
RCKT
ROCKET PHARMACEUTICALS INC
$754,918211K1.4%
08
SLN
SILENCE THERAPEUTICS PLC
$533,340101K1.0%
09
CRIS
CURIS INC
$155,920285K0.3%

Filing history

Filing history loading…
AI Agent · grounded in M28
haiku-4-5 · 9 positions indexed
Sector mix
  • Tech39%
  • Financials7%
  • Health Care14%
  • Communications9%
  • Energy29%
  • Other2%
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