Position in IBRX
as of Mar 31, 2026
· filed May 15, 2026
Position Value
$1,935,509
+$1,770,104 QoQ
Shares Held
252,348
+202.1% QoQ
Ownership
0.024%
of shares outstanding
% of Portfolio
0.01%
of 13F equity value
Holder Rank
—
not a current holder
Holding Since
Mar 2021
21 quarters on record
Voting authority
Sole 100.ToString("F0")%
Shared 0.ToString("F0")%
None 0.ToString("F0")%
Common Shares in IBRX 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. IBRX ranks #53 (0.4% 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 IBRX
Export CSV
21 filing rows on record
| Report Date | Value (USD) | Shares | Type | Discretion | Filed | |
|---|---|---|---|---|---|---|
| 2026-03-31 | $1,935,509 | 252,348 | Shares | Sole | 2026-05-15 | |
| 2025-12-31 | $165,405 | 83,538 | Shares | Sole | 2026-02-17 | |
| 2025-09-30 | $216,083 | 87,839 | Shares | Sole | 2025-11-14 | |
| 2025-06-30 | $203,858 | 77,219 | Shares | Sole | 2025-08-14 | |
| 2025-03-31 | $253,399 | 84,186 | Shares | Sole | 2025-05-15 | |
| 2024-12-31 | $196,669 | 76,824 | Shares | Sole | 2025-02-14 | |
| 2024-09-30 | $394,033 | 105,923 | Shares | Sole | 2024-11-14 | |
| 2024-06-30 | $607,036 | 96,050 | Shares | Sole | 2024-08-14 | |
| 2024-03-31 | $861,299 | 160,391 | Shares | Sole | 2024-05-14 | |
| 2023-12-31 | $470,549 | 93,735 | Shares | Sole | 2024-02-12 | |
| 2023-09-30 | $163,951 | 97,013 | Shares | Sole | 2023-11-14 | |
| 2023-06-30 | $273,393 | 98,343 | Shares | Sole | 2023-08-14 | |
| 2023-03-31 | $187,762 | 103,166 | Shares | Sole | 2023-05-15 | |
| 2022-12-31 | $581,412 | 114,677 | Shares | Sole | 2023-02-14 | |
| 2022-09-30 | $1,186,120 | 238,656 | Shares | Sole | 2022-11-14 | |
| 2022-06-30 | $1,168,039 | 313,989 | Shares | Sole | 2022-08-15 | |
| 2022-03-31 | $485,265 | 86,500 | Shares | Sole | 2022-05-13 | |
| 2021-12-31 | $525,920 | 86,500 | Shares | Sole | 2022-02-11 | |
| 2021-09-30 | $842,510 | 86,500 | Shares | Sole | 2021-11-12 | |
| 2021-06-30 | $1,235,220 | 86,500 | Shares | Sole | 2021-08-12 | |
| 2021-03-31 | $1,008,950 | 42,500 | Shares | Sole | 2021-05-17 | |
| No filing history on record for this holder in this stock. | ||||||