DEERFIELD MANAGEMENT COMPANY, L.P.
Position in CMPX — Compass Therapeutics, Inc.
CIK 1009258
NEW YORK, NY
Position in CMPX
as of Mar 31, 2026
· filed May 15, 2026
Position Value
$19,075,740
-$288,480 QoQ
Shares Held
3,606,000
0.0% QoQ
Ownership
2.00%
of shares outstanding
% of Portfolio
0.27%
of 13F equity value
Holder Rank
—
not a current holder
Holding Since
Dec 2025
2 quarters on record
Voting authority
Sole 100.ToString("F0")%
Shared 0.ToString("F0")%
None 0.ToString("F0")%
Common Shares in CMPX Over Time
Shares Held
Position Value (USD)
Position in Biotechnology
Healthcare · as of Mar 31, 2026DEERFIELD MANAGEMENT COMPANY, L.P. holds $5,090,522,306 across 44 Biotechnology names. CMPX ranks #35 (0.4% of the industry book) .
| # | Ticker | Company | Shares | Value (USD) | Open |
|---|---|---|---|---|---|
| 1 | NUVL |
Nuvalent, Inc.
|
17,248,450 | $1,767,103,702 | |
| 2 | COGT |
Cogent Biosciences, Inc.
|
9,043,903 | $348,099,826 | |
| 3 | PRAX |
Praxis Precision Medicines, Inc.
|
963,351 | $310,382,058 | |
| 4 | RVMD |
Revolution Medicines, Inc.
|
2,297,000 | $223,383,250 | |
| 5 | CELC |
Celcuity Inc.
|
1,714,000 | $195,635,960 | |
| 6 | LRMR |
Larimar Therapeutics, Inc.
|
35,606,974 | $160,231,383 | |
| 7 | VERA |
Vera Therapeutics, Inc.
|
3,722,100 | $149,740,083 | |
| 8 | IONS |
Ionis Pharmaceuticals Inc
|
1,979,669 | $148,653,345 |
All Filings in CMPX
Export CSV
2 filing rows on record
| Report Date | Value (USD) | Shares | Type | Discretion | Filed | |
|---|---|---|---|---|---|---|
| 2026-03-31 | $19,075,740 | 3,606,000 | Shares | Defined | 2026-05-15 | |
| 2025-12-31 | $19,364,220 | 3,606,000 | Shares | Defined | 2026-02-17 | |
| No filing history on record for this holder in this stock. | ||||||