MC

M28 Capital Management LP

Concentrated strategySector-focusedHigh-turnover trader

Total reported value

$53.8M

Reporting period: 2026-03-31 · Number of holdings: 9

M28 Capital Management LP disclosed 9 holdings in its latest 13F filing for the period ending 2026-03-31, with total reported value of $53.8M and a quarterly turnover rate of 87.5%.

Personality snowflake

Concentration
100
Portfolio Stability
87.55
Momentum/Contrarian
50
Sector conviction
100
Diversification
18
Sizing Uniformity
81.81

Recent moves

  • Trim WVE

    -19.0%　-$63.0M

  • Add IVVD

    0.0%　-$10.8M

  • Add TGTX

    -45.3%　-$1.9M

  • Trim GUTS

    0.0%　-$3.2M

  • Add ARWR

    -45.3%　-$2.2M

  • Add RCKT

    -45.3%　-$598.8K

Holdings Map

New buyAddUnchangedTrim

Top 10 holdings by weight

Full holdings list this quarter

#TickerIssuerAsset SubclassWeightWeight ChangeShares Change4Q Trend
1WVEWave Life Sciences Ltd.Stock-Other61.83%-8.17%-19.00%
2IVVDInvivyd INCStock-Other22.35%+5.75%—
3TGTXTg Therapeutics INCStock-Healthcare5.46%+1.96%-45.33%
4ARWRArrowhead Pharmaceuticals InStock-Healthcare4.29%+1.04%-45.32%
5✓ Proqr Thrapeutics N VStock-Other1.81%+0.31%-41.17%
6GUTSFractyl Health INCStock-Other1.58%-1.39%—
7RCKTRocket Pharmaceuticals INCStock-Other1.40%+0.42%-45.32%
8SLNSilence Therapeutics Plc-adrStock-Other0.99%+0.17%-45.33%
9CRISCuris INCStock-Other0.29%-0.08%-45.33%

Holding changes this quarter

M28 Capital Management LP's most significant position changes for 2026-03-31: Trim: Wave Life Sciences Ltd. (WVE) — shares -19.00%; Trim: Tg Therapeutics INC (TGTX) — shares -45.33%; Trim: Arrowhead Pharmaceuticals In (ARWR) — shares -45.32%; Trim: Rocket Pharmaceuticals INC (RCKT) — shares -45.32%; Trim: Proqr Thrapeutics N V — shares -41.17%.

Position changes disclosed by M28 Capital Management LP for the quarter ending 2026-03-31, including ticker, issuer, weight change, shares change, and action
#TickerIssuerWeight ChangeShares ChangeAction
1IVVDInvivyd INC+5.8%—Unchanged
2TGTXTg Therapeutics INC+2%-45.33%Trim
3ARWRArrowhead Pharmaceuticals In+1%-45.32%Trim
4RCKTRocket Pharmaceuticals INC+0.4%-45.32%Trim
5✓ Proqr Thrapeutics N V+0.3%-41.17%Trim
6SLNSilence Therapeutics Plc-adr+0.2%-45.33%Trim
7CRISCuris INC-0.1%-45.33%Trim
8GUTSFractyl Health INC-1.4%—Unchanged
9WVEWave Life Sciences Ltd.-8.2%-19.00%Trim

FAQ

What is M28 Capital Management LP and what type of investor is it?
M28 Capital Management LP is a investment manager that files SEC Form 13F quarterly, disclosing its U.S. public equity holdings to regulators. As of the most recent reporting period (2026-03-31), the firm manages a tracked equity portfolio valued at approximately $53.8M, spread across 9 disclosed positions.
What are M28 Capital Management LP's largest equity positions?
Based on the latest 13F filing, M28 Capital Management LP's top holdings by market value are: 1. Wave Life Sciences Ltd. (WVE) — $33.3M (61.8%) 2. Invivyd INC (IVVD) — $12.0M (22.4%) 3. Tg Therapeutics INC (TGTX) — $2.9M (5.5%) 4. Arrowhead Pharmaceuticals In (ARWR) — $2.3M (4.3%) 5. Proqr Thrapeutics N V — $971.7K (1.8%)
What changes did M28 Capital Management LP make in its most recent portfolio filing?
In the latest quarter, M28 Capital Management LP took a more defensive posture — trimming 7 positions and completely exiting 0 holdings. The largest of these moves: Trim: Wave Life Sciences Ltd. (WVE) — shares -19.00%; Trim: Tg Therapeutics INC (TGTX) — shares -45.33%; Trim: Arrowhead Pharmaceuticals In (ARWR) — shares -45.32%; Trim: Rocket Pharmaceuticals INC (RCKT) — shares -45.32%; Trim: Proqr Thrapeutics N V — shares -41.17%
What sectors does M28 Capital Management LP focus on?
M28 Capital Management LP is concentrated in the following sectors based on its current disclosed equity portfolio: • Health Care: 100.0%