M28 Capital Management LP
CIK 0001807489 · STAMFORD, CT · Quarter end: 2026-06-30 · Filed on: 2026-08-13 · Open the SEC source ↗
M28 Capital Management LP reported 9 positions worth $47.2M as of June 30, 2026 (13F filed August 13, 2026). Largest holding: WAVE LIFE SCIENCES LTD (56.5%).
Portfolio Value (AUM)Total value of the fund's US stock portfolio reported to the SEC.
$47.2M
2026 Q2
Positions
9
Top-10 ConcentrationHow much of the portfolio sits in the 10 largest holdings. High = concentrated bets.
100.0%
Est. Net Flow (Q)
—
2026 Q2
9 positions shown
| # | Symbol | Company | Type | Value ↓ | % Port. | Shares | 1Y | YTD |
|---|---|---|---|---|---|---|---|---|
| ▸ 1 | Y95308105 | SH | $26.7M | 56.53% | 4,588,284 | — | — | |
| ▸ 2 | IVVD | SH | $8.1M | 17.11% | 9,248,250 | — | — | |
| ▸ 3 | TGTX | SH | $4.9M | 10.29% | 88,354 | — | — | |
| ▸ 4 | ARWR | SH | $3.0M | 6.37% | 36,851 | — | — | |
| ▸ 5 | GUTS | SH | $1.5M | 3.13% | 1,856,117 | — | — | |
| ▸ 6 | PRQR | SH | $1.1M | 2.37% | 599,793 | — | — | |
| ▸ 7 | SLN | SH | $1.1M | 2.36% | 101,203 | — | — | |
| ▸ 8 | RCKT | SH | $721.2K | 1.53% | 210,871 | — | — | |
| ▸ 9 | CRISEUR | SH | $148.7K | 0.32% | 284,889 | — | — |
Read the 2026-Q2 quarterly report · 13F Filing Calendar
Frequently Asked Questions
What stocks does M28 Capital Management LP hold as of Q2 2026?
M28 Capital Management LP reported 9 positions worth $47.2M in its Q2 2026 13F filing. Largest positions: WAVE LIFE SCIENCES LTD (56.5%), IVVD (17.1%), TGTX (10.3%), ARWR (6.4%) and GUTS (3.1%).
What did M28 Capital Management LP buy in Q2 2026?
No previous quarter is available yet; the comparison appears with the next filing.
What did M28 Capital Management LP sell in Q2 2026?
No previous quarter is available yet.
13F data shows quarter-end positions, is delayed by up to 45 days and covers only long positions in US-listed securities; short positions, most derivatives and non-US assets are not reported.