M28 Capital Management LP — 13F Holdings & Portfolio
CIK 1807489 · latest 13F-HR filed 2026-08-13
M28 Capital Management LP manages $47.2M in 13F-reported U.S. long-equity assets across 9 reported positions as of its 2026-06-30 13F-HR filing. Its largest disclosed positions are WVE (56.53%), IVVD (17.11%), TGTX (10.29%). Quarter over quarter (versus its 2026-03-31 filing) the fund opened 0 new positions, exited 0, added to 5, and trimmed 2.
AUM is the long-equity portion reported on Form 13F-HR. Excludes short positions, cash, foreign holdings, and non-13F assets. For informational purposes only — not investment advice.
STAMFORD, CT 06902
$47.2M
Long-equity book
9
Distinct positions
2026-06-30
Filed 2026-08-13
+0 / −0 / ↑5 / ↓2
vs 2026-03-31
| Name | Title / Status | Ownership | Type |
|---|
Top Adds (vs prior quarter)
- TG THERAPEUTICS INC$1.9M +65.4%
- ARROWHEAD PHARMACEUTICALS IN$693.2K +30.0%
- FRACTYL HEALTH INC$624.8K +73.5%
- SILENCE THERAPEUTICS PLC$577.9K +108.3%
- PROQR THRAPEUTICS N V$143.9K +14.8%
Rows tagged Call or Put are options positions, not stock. Per SEC Form 13F-HR, Value shows the notional value of the underlying (shares covered × underlying price), not the option premium. Shares is the number of underlying shares covered (divide by 100 for contract count).
| # | Issuer | Symbol | CUSIP | Value | Weight | Shares | Type |
|---|---|---|---|---|---|---|---|
| 1 | WAVE LIFE SCIENCES LTD | WVE | Y95308105 | $26.7M | 56.53% | 4,588,284 | SH |
| 2 | INVIVYD INC | IVVD | 00534A102 | $8.1M | 17.11% | 9,248,250 | SH |
| 3 | TG THERAPEUTICS INC | TGTX | 88322Q108 | $4.9M | 10.29% | 88,354 | SH |
| 4 | ARROWHEAD PHARMACEUTICALS IN | ARWR | 04280A100 | $3.0M | 6.37% | 36,851 | SH |
| 5 | FRACTYL HEALTH INC | GUTS | 35168W103 | $1.5M | 3.13% | 1,856,117 | SH |
| 6 | PROQR THRAPEUTICS N V | PRQR | N71542109 | $1.1M | 2.37% | 599,793 | SH |
| 7 | SILENCE THERAPEUTICS PLC | SLN | 82686Q101 | $1.1M | 2.36% | 101,203 | SH |
| 8 | ROCKET PHARMACEUTICALS INC | RCKT | 77313F106 | $721.2K | 1.53% | 210,871 | SH |
| 9 | CURIS INC | CRIS | 231269309 | $148.7K | 0.32% | 284,889 | SH |
| Period | Filed | AUM | Holdings | Accession |
|---|---|---|---|---|
| 2026-06-30 | 2026-08-13 | $47.2M | 9 | 0000902664-26-003441 |
| 2026-03-31 | 2026-05-14 | $53.8M | 9 | 0000902664-26-002442 |
| 2025-12-31 | 2026-02-13 | $137.6M | 9 | 0000902664-26-000993 |
| 2025-09-30 | 2025-11-13 | $68.0M | 9 | 0000902664-25-004910 |