STATE OF WISCONSIN INVESTMENT BOARD
Position in CPRX — Catalyst Pharmaceuticals, Inc.
CIK 854157
MADISON, WI
Position in CPRX
as of Mar 31, 2026
· filed May 15, 2026
Position Value
$2,904,248
+$70,329 QoQ
Shares Held
117,296
-3.4% QoQ
Ownership
0.096%
of shares outstanding
% of Portfolio
0.01%
of 13F equity value
Holder Rank
—
not a current holder
Holding Since
Mar 2020
25 quarters on record
Voting authority
Sole 100%
Shared 0%
None 0%
Common Shares in CPRX 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. CPRX ranks #37 (0.6% 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 CPRX
Export CSV
25 filing rows on record
| Report Date | Value (USD) | Shares | Type | Discretion | Filed | |
|---|---|---|---|---|---|---|
| 2026-03-31 | $2,904,248 | 117,296 | Shares | Sole | 2026-05-15 | |
| 2025-12-31 | $2,833,919 | 121,419 | Shares | Sole | 2026-02-17 | |
| 2025-09-30 | $1,418,951 | 72,028 | Shares | Sole | 2025-11-14 | |
| 2025-06-30 | $2,115,120 | 97,471 | Shares | Sole | 2025-08-14 | |
| 2025-03-31 | $3,215,695 | 132,606 | Shares | Sole | 2025-05-15 | |
| 2024-12-31 | $3,793,685 | 181,777 | Shares | Sole | 2025-02-14 | |
| 2024-09-30 | $4,044,983 | 203,470 | Shares | Sole | 2024-11-14 | |
| 2024-06-30 | $3,655,066 | 235,963 | Shares | Sole | 2024-08-14 | |
| 2024-03-31 | $3,353,807 | 210,402 | Shares | Sole | 2024-05-14 | |
| 2023-12-31 | $2,572,451 | 153,031 | Shares | Sole | 2024-02-12 | |
| 2023-09-30 | $991,639 | 84,828 | Shares | Sole | 2023-11-14 | |
| 2023-06-30 | $1,164,898 | 86,674 | Shares | Sole | 2023-08-14 | |
| 2023-03-31 | $1,512,112 | 91,201 | Shares | Sole | 2023-05-15 | |
| 2022-12-31 | $1,822,428 | 97,980 | Shares | Sole | 2023-02-14 | |
| 2022-09-30 | $1,276,585 | 99,500 | Shares | Sole | 2022-11-14 | |
| 2022-06-30 | $735,559 | 104,930 | Shares | Sole | 2022-08-15 | |
| 2022-03-31 | $1,097,596 | 132,400 | Shares | Sole | 2022-05-13 | |
| 2021-12-31 | $1,162,409 | 171,700 | Shares | Sole | 2022-02-11 | |
| 2021-09-30 | $701,720 | 132,400 | Shares | Sole | 2021-11-12 | |
| 2021-06-30 | $761,300 | 132,400 | Shares | Sole | 2021-08-12 | |
| 2021-03-31 | $610,364 | 132,400 | Shares | Sole | 2021-05-17 | |
| 2020-12-31 | $442,216 | 132,400 | Shares | Sole | 2021-02-03 | |
| 2020-09-30 | $442,233 | 148,900 | Shares | Sole | 2020-11-16 | |
| 2020-06-30 | $687,918 | 148,900 | Shares | Sole | 2020-08-12 | |
| 2020-03-31 | $573,265 | 148,900 | Shares | Sole | 2020-05-06 | |
| No filing history on record for this holder in this stock. | ||||||