STATE OF WISCONSIN INVESTMENT BOARD
Position in CMPX — Compass Therapeutics, Inc.
CIK 854157
MADISON, WI
Position in CMPX
as of Jun 30, 2026
· filed Aug 14, 2026
Position Value
$95,438
-$964,037 QoQ
Shares Held
43,579
-78.2% QoQ
Ownership
0.024%
of shares outstanding
% of Portfolio
0.00%
of 13F equity value
Holder Rank
#111
of 213 holders
Holding Since
Mar 2023
7 quarters on record
Voting authority
Sole 100%
Shared 0%
None 0%
Common Shares in CMPX Over Time
Shares Held
Position Value (USD)
Position in Biotechnology
Healthcare · as of Jun 30, 2026STATE OF WISCONSIN INVESTMENT BOARD holds $511,704,326 across 163 Biotechnology names. CMPX ranks #155 (0.0% of the industry book) .
| # | Ticker | Company | Shares | Value (USD) | Open |
|---|---|---|---|---|---|
| 1 | VRTX |
Vertex Pharmaceuticals Inc / Ma
|
135,798 | $67,454,940 | |
| 2 | REGN |
Regeneron Pharmaceuticals, Inc.
|
55,287 | $34,473,655 | |
| 3 | ALNY |
Alnylam Pharmaceuticals, Inc.
|
70,171 | $21,123,576 | |
| 4 | RVMD |
Revolution Medicines, Inc.
|
83,892 | $15,711,293 | |
| 5 | XENE |
Xenon Pharmaceuticals Inc.
|
248,821 | $15,018,835 | |
| 6 | MRNA |
Moderna, Inc.
|
207,705 | $14,545,581 | |
| 7 | INSM |
INSMED Inc
|
118,057 | $12,587,237 | |
| 8 | RPRX |
Royalty Pharma plc
|
213,373 | $11,963,824 |
All Filings in CMPX
Export CSV
7 filing rows on record
| Report Date | Value (USD) | Shares | Type | Discretion | Filed | |
|---|---|---|---|---|---|---|
| 2026-06-30 | $95,438 | 43,579 | Shares | Sole | 2026-08-14 | |
| 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. | ||||||