STATE OF WISCONSIN INVESTMENT BOARD
Position in CMPX — Compass Therapeutics, Inc.
CIK 854157
MADISON, WI
Position in CMPX
as of Mar 31, 2026
· filed May 15, 2026
Position Value
$1,059,475
+$63,754 QoQ
Shares Held
200,279
+8.0% QoQ
Ownership
0.111%
of shares outstanding
% of Portfolio
0.00%
of 13F equity value
Holder Rank
—
not a current holder
Holding Since
Mar 2023
6 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, 2026STATE OF WISCONSIN INVESTMENT BOARD holds $473,382,633 across 164 Biotechnology names. CMPX ranks #93 (0.2% of the industry book) .
| # | Ticker | Company | Shares | Value (USD) | Open |
|---|---|---|---|---|---|
| 1 | VRTX |
Vertex Pharmaceuticals Inc / Ma
|
136,548 | $60,974,143 | |
| 2 | REGN |
Regeneron Pharmaceuticals, Inc.
|
55,274 | $42,706,903 | |
| 3 | ALNY |
Alnylam Pharmaceuticals, Inc.
|
68,883 | $22,791,318 | |
| 4 | INSM |
INSMED Inc
|
114,346 | $18,697,857 | |
| 5 | XENE |
Xenon Pharmaceuticals Inc.
|
254,483 | $14,798,186 | |
| 6 | MRNA |
Moderna, Inc.
|
227,162 | $11,539,829 | |
| 7 | INCY |
Incyte Corp
|
116,878 | $11,000,557 | |
| 8 | TECH |
BIO-TECHNE Corp
|
208,871 | $10,915,598 |
All Filings in CMPX
Export CSV
6 filing rows on record
| Report Date | Value (USD) | Shares | Type | Discretion | Filed | |
|---|---|---|---|---|---|---|
| 2026-03-31 | $1,059,475 | 200,279 | Shares | Sole | 2026-05-15 | |
| 2025-12-31 | $995,721 | 185,423 | Shares | Sole | 2026-02-17 | |
| 2025-09-30 | $144,900 | 41,400 | Shares | Sole | 2025-11-14 | |
| 2025-03-31 | $90,630 | 47,700 | Shares | Sole | 2025-05-15 | |
| 2023-06-30 | $36,891 | 11,601 | Shares | Sole | 2023-08-14 | |
| 2023-03-31 | $228,429 | 69,856 | Shares | Sole | 2023-05-15 | |
| No filing history on record for this holder in this stock. | ||||||