Filed: 8/13/2025ACC: 0000902664-25-003554
📋 What this filing means
M28 CAPITAL MANAGEMENT LP filed this quarterly 13F‑HR report disclosing 9 equity positions with a total reported market value of $58.63M. This filing provides a transparent view of the manager's long equity holdings as of the quarter end.
9
Positions
$58.63M
Total AUM (reported)
19.11M
Total Shares
Allocation by class
SHS$36.82M62.8%
COM$18.65M31.8%
SHS EURO$2.08M3.5%
ADS$1.07M1.8%
Portfolio Concentration
Top 3$49.25M84.0%
4–10$9.38M16.0%
Top 3 weight
84.0%
Top 10 weight
100.0%
Voting Authority Distribution
Total shares with voting rights: 19.11M
Sole
Full voting authority
19.11M
shares
% of voting shares100.0%
Shared
Joint voting authority
0.00
shares
% of voting shares0.0%
None
No voting authority
0.00
shares
% of voting shares0.0%
Investment Discretion (by position count)
Sole9
Shared0
Other0
Dominant voting typeSole · 100.0% of voting shares
Institutional Holdings9
Rows:
WAVE LIFE SCIENCES LTD
SOLEShares5.66M
TypeSH
Market value$36.82M
62.80%
Sole
5.66M
Shared
0.00
None
0.00
INVIVYD INC
SOLEShares9.25M
TypeSH
Market value$6.61M
11.28%
Sole
9.25M
Shared
0.00
None
0.00
TG THERAPEUTICS INC
SOLEShares161.60K
TypeSH
Market value$5.82M
9.92%
Sole
161.60K
Shared
0.00
None
0.00
FRACTYL HEALTH INC
SOLEShares1.86M
TypeSH
Market value$3.01M
5.13%
Sole
1.86M
Shared
0.00
None
0.00
PROQR THRAPEUTICS N V
SOLEShares1.02M
TypeSH
Market value$2.08M
3.55%
Sole
1.02M
Shared
0.00
None
0.00
CURIS INC
SOLEShares521.06K
TypeSH
Market value$1.21M
2.06%
Sole
521.06K
Shared
0.00
None
0.00
SILENCE THERAPEUTICS PLC
SOLEShares185.10K
TypeSH
Market value$1.07M
1.83%
Sole
185.10K
Shared
0.00
None
0.00
ARROWHEAD PHARMACEUTICALS IN
SOLEShares67.40K
TypeSH
Market value$1.06M
1.82%
Sole
67.40K
Shared
0.00
None
0.00
ROCKET PHARMACEUTICALS INC
SOLEShares385.68K
TypeSH
Market value$944.9K
1.61%
Sole
385.68K
Shared
0.00
None
0.00
| Issuer | Class | Shares | Type | Value / Portfolio % | Voting — Sole | Shared | None |
|---|---|---|---|---|---|---|---|
WAVE LIFE SCIENCES LTDSOLE | SHS | 5.66M | SH | $36.82M 62.80% | 5.66M | 0.00 | 0.00 |
INVIVYD INCSOLE | COM | 9.25M | SH | $6.61M 11.28% | 9.25M | 0.00 | 0.00 |
TG THERAPEUTICS INCSOLE | COM | 161.60K | SH | $5.82M 9.92% | 161.60K | 0.00 | 0.00 |
FRACTYL HEALTH INCSOLE | COM | 1.86M | SH | $3.01M 5.13% | 1.86M | 0.00 | 0.00 |
PROQR THRAPEUTICS N VSOLE | SHS EURO | 1.02M | SH | $2.08M 3.55% | 1.02M | 0.00 | 0.00 |
CURIS INCSOLE | COM | 521.06K | SH | $1.21M 2.06% | 521.06K | 0.00 | 0.00 |
SILENCE THERAPEUTICS PLCSOLE | ADS | 185.10K | SH | $1.07M 1.83% | 185.10K | 0.00 | 0.00 |
ARROWHEAD PHARMACEUTICALS INSOLE | COM | 67.40K | SH | $1.06M 1.82% | 67.40K | 0.00 | 0.00 |
ROCKET PHARMACEUTICALS INCSOLE | COM | 385.68K | SH | $944.9K 1.61% | 385.68K | 0.00 | 0.00 |