M28 Capital Management LP Long-Term Concentrated

Location: Stamford, CT

CIK: 0001807489 · Show all filings

Period: Q1 2026 (← Previous) (Next →)

Filing Date: May 14, 2026

Total Value: $53.8M (100.0% shares, 0.0% debt)

Holdings (9)

WVE WAVE LIFE SCIENCES LTD 61.8%

Value $33.27M Shares 4,588,284 Est. Cost $3.40 Unrealized +304.7%

IVVD INVIVYD INC 22.3%

Value $12.02M Shares 9,248,250 Est. Cost $17.64 Unrealized -88.8%

TGTX TG THERAPEUTICS INC 5.5%

Value $2.935M Shares 88,354 Est. Cost $15.49 Unrealized +91.4%

ARWR ARROWHEAD PHARMACEUTICALS IN 4.3%

Value $2.311M Shares 36,851 Est. Cost $33.13 Unrealized +98.4%

PRQR PROQR THRAPEUTICS N V 1.8%

Value $972K Shares 599,793 Est. Cost $2.38 Unrealized -31.3%

GUTS FRACTYL HEALTH INC 1.6%

Value $850K Shares 1,856,117 Est. Cost $8.42 Unrealized -85.8%

RCKT ROCKET PHARMACEUTICALS INC 1.4%

Value $755K Shares 210,871 Est. Cost $23.75 Unrealized -84.8%

SLN SILENCE THERAPEUTICS PLC 1.0%

Value $533K Shares 101,203 Est. Cost $9.41 Unrealized —

CRIS CURIS INC 0.3%

Value $156K Shares 284,889 Est. Cost $11.24 Unrealized -91.3%

Ticker	Issuer	Shares	Value	%	Est. Cost	Unrealized	Class	CUSIP
WVE	WAVE LIFE SCIENCES LTD	4,588,284	$33.27M	61.8%	$3.40	+304.7%	SHS	Y95308105
IVVD	INVIVYD INC	9,248,250	$12.02M	22.3%	$17.64	-88.8%	COM	00534A102
TGTX	TG THERAPEUTICS INC	88,354	$2.935M	5.5%	$15.49	+91.4%	COM	88322Q108
ARWR	ARROWHEAD PHARMACEUTICALS IN	36,851	$2.311M	4.3%	$33.13	+98.4%	COM	04280A100
PRQR	PROQR THRAPEUTICS N V	599,793	$972K	1.8%	$2.38	-31.3%	SHS EURO	N71542109
GUTS	FRACTYL HEALTH INC	1,856,117	$850K	1.6%	$8.42	-85.8%	COM	35168W103
RCKT	ROCKET PHARMACEUTICALS INC	210,871	$755K	1.4%	$23.75	-84.8%	COM	77313F106
SLN	SILENCE THERAPEUTICS PLC	101,203	$533K	1.0%	$9.41	—	ADS	82686Q101
CRIS	CURIS INC	284,889	$156K	0.3%	$11.24	-91.3%	COM	231269309