ADAGE CAPITAL PARTNERS GP, L.L.C.
Position in CMPX — Compass Therapeutics, Inc.
CIK 1165408
Boston, MA
Position in CMPX
as of Mar 31, 2026
· filed May 15, 2026
Position Value
$44,893,585
+$21,069,580 QoQ
Shares Held
8,486,500
+91.3% QoQ
Ownership
4.71%
of shares outstanding
% of Portfolio
0.07%
of 13F equity value
Holder Rank
—
not a current holder
Holding Since
Dec 2021
18 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, 2026ADAGE CAPITAL PARTNERS GP, L.L.C. holds $4,593,636,445 across 120 Biotechnology names. CMPX ranks #18 (1.0% of the industry book) .
| # | Ticker | Company | Shares | Value (USD) | Open |
|---|---|---|---|---|---|
| 1 | RVMD |
Revolution Medicines, Inc.
|
5,475,611 | $532,503,169 | |
| 2 | RPRX |
Royalty Pharma plc
|
7,480,633 | $358,845,965 | |
| 3 | CNTA |
Centessa Pharmaceuticals plc
|
8,925,010 | $354,501,397 | |
| 4 | ROIV |
Roivant Sciences Ltd.
|
12,794,097 | $354,396,486 | |
| 5 | TNGX |
Tango Therapeutics, Inc.
|
12,809,485 | $267,974,426 | |
| 6 | PRAX |
Praxis Precision Medicines, Inc.
|
815,739 | $262,822,948 | |
| 7 | INSM |
INSMED Inc
|
900,000 | $147,168,000 | |
| 8 | AXSM |
Axsome Therapeutics, Inc.
|
737,578 | $124,665,433 |
All Filings in CMPX
Export CSV
18 filing rows on record
| Report Date | Value (USD) | Shares | Type | Discretion | Filed | |
|---|---|---|---|---|---|---|
| 2026-03-31 | $44,893,585 | 8,486,500 | Shares | Sole | 2026-05-15 | |
| 2025-12-31 | $23,824,005 | 4,436,500 | Shares | Sole | 2026-02-17 | |
| 2025-09-30 | $18,152,750 | 5,186,500 | Shares | Sole | 2025-11-14 | |
| 2025-06-30 | $11,504,656 | 4,424,868 | Shares | Sole | 2025-08-14 | |
| 2025-03-31 | $7,552,500 | 3,975,000 | Shares | Sole | 2025-05-15 | |
| 2024-12-31 | $8,692,474 | 5,994,810 | Shares | Sole | 2025-02-14 | |
| 2024-09-30 | $20,479,200 | 11,130,000 | Shares | Sole | 2024-11-14 | |
| 2024-06-30 | $11,130,000 | 11,130,000 | Shares | Sole | 2024-08-14 | |
| 2024-03-31 | $22,037,400 | 11,130,000 | Shares | Sole | 2024-05-15 | |
| 2023-12-31 | $15,412,800 | 9,880,000 | Shares | Sole | 2024-02-14 | |
| 2023-09-30 | $12,568,600 | 6,380,000 | Shares | Sole | 2023-11-14 | |
| 2023-06-30 | $19,875,000 | 6,250,000 | Shares | Other | 2023-08-14 | |
| 2023-03-31 | $20,437,500 | 6,250,000 | Shares | Sole | 2023-05-15 | |
| 2022-12-31 | $29,047,244 | 5,774,800 | Shares | Sole | 2023-02-14 | |
| 2022-09-30 | $10,503,048 | 4,606,600 | Shares | Sole | 2022-11-14 | |
| 2022-06-30 | $11,677,490 | 4,406,600 | Shares | Sole | 2022-08-15 | |
| 2022-03-31 | $3,119,490 | 2,277,000 | Shares | Sole | 2022-05-16 | |
| 2021-12-31 | $4,438,000 | 1,400,000 | Shares | Sole | 2022-02-14 | |
| No filing history on record for this holder in this stock. | ||||||