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M28 Capital Management LP

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13F filer, CIK 1807489, STAMFORD, CT

M28 Capital Management LP reported $137,568,801 across 9 holdings for the quarter ended 2025-12-31, in a 13F-HR filed 2026-02-13.

Filed (acceptance time not in the bulk data set), ingested 13F-HR 0000902664-26-000993

Period
2025-12-31
Reported value
$138M
Holdings
9
Top 10 weight
100%
New
0
Sold out
0

Holdings, Q4 2025

Share positions as resolved from 13F-HR 0000902664-26-000993, largest first. % of portfolio is the value over $137,568,801, the sum of the share positions whose value is usable for ratios (method).

SecurityHistorySharesValue% of portfolioChangeLatest eventTimeline
WVEWAVE LIFE SCIENCES LTDQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q1: restricted; 2024Q2: restricted; 2024Q3: 6,164,548 shares; 2024Q4: 5,664,548 shares; 2025Q1: 5,664,548 shares; 2025Q2: 5,664,548 shares; 2025Q3: 5,664,548 shares; 2025Q4: 5,664,548 shares 5,664,548$96.3M70%0Timeline
IVVDINVIVYD INCQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q1: restricted; 2024Q2: restricted; 2024Q3: 9,248,250 shares; 2024Q4: 9,248,250 shares; 2025Q1: 9,248,250 shares; 2025Q2: 9,248,250 shares; 2025Q3: 9,248,250 shares; 2025Q4: 9,248,250 shares 9,248,250$22.8M16.6%0Timeline
TGTXTG THERAPEUTICS INCQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q1: restricted; 2024Q2: restricted; 2024Q3: 161,600 shares; 2024Q4: 161,600 shares; 2025Q1: 161,600 shares; 2025Q2: 161,600 shares; 2025Q3: 161,600 shares; 2025Q4: 161,600 shares 161,600$4.82M3.5%0Timeline
ARWRARROWHEAD PHARMACEUTICALS INQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q1: restricted; 2024Q2: restricted; 2024Q3: 67,400 shares; 2024Q4: 67,400 shares; 2025Q1: 67,400 shares; 2025Q2: 67,400 shares; 2025Q3: 67,400 shares; 2025Q4: 67,400 shares 67,400$4.47M3.25%0Timeline
GUTSFRACTYL HEALTH INCQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q1: restricted; 2024Q2: restricted; 2024Q3: 1,856,117 shares; 2024Q4: 1,856,117 shares; 2025Q1: 1,856,117 shares; 2025Q2: 1,856,117 shares; 2025Q3: 1,856,117 shares; 2025Q4: 1,856,117 shares 1,856,117$4.08M2.97%0Timeline
PRQRPROQR THRAPEUTICS N VQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q1: restricted; 2024Q2: restricted; 2024Q3: 1,019,498 shares; 2024Q4: 1,019,498 shares; 2025Q1: 1,019,498 shares; 2025Q2: 1,019,498 shares; 2025Q3: 1,019,498 shares; 2025Q4: 1,019,498 shares 1,019,498$2.06M1.5%0Timeline
RCKTROCKET PHARMACEUTICALS INCQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q1: restricted; 2024Q2: restricted; 2024Q3: 385,680 shares; 2024Q4: 385,680 shares; 2025Q1: 385,680 shares; 2025Q2: 385,680 shares; 2025Q3: 385,680 shares; 2025Q4: 385,680 shares 385,680$1.35M0.98%0Timeline
SLNSILENCE THERAPEUTICS PLCQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q1: restricted; 2024Q2: restricted; 2024Q3: 185,100 shares; 2024Q4: 185,100 shares; 2025Q1: 185,100 shares; 2025Q2: 185,100 shares; 2025Q3: 185,100 shares; 2025Q4: 185,100 shares 185,100$1.13M0.82%0Timeline
CRISCURIS INCQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q1: restricted; 2024Q2: restricted; 2024Q3: 421,951 shares; 2024Q4: 521,059 shares; 2025Q1: 521,059 shares; 2025Q2: 521,059 shares; 2025Q3: 521,059 shares; 2025Q4: 521,059 shares 521,059$514K0.37%0Timeline

How Q4 2025 was built

Available 13F filings of this filer for the quarter and their roles: the base report is the latest original or restatement, NEW HOLDINGS amendments filed after it are added (method).

FilingRoleAmendmentFiledAcceptedIngested
13F-HR 0000902664-26-000993 base2026-02-13acceptance time not in the bulk data set