STATE OF WISCONSIN INVESTMENT BOARD
Position in CTMX — CytomX Therapeutics, Inc.
CIK 854157
MADISON, WI
Position in CTMX
as of Jun 30, 2026
· filed Aug 14, 2026
Position Value
$74,265
+$12,573 QoQ
Shares Held
19,804
+50.9% QoQ
Ownership
0.009%
of shares outstanding
% of Portfolio
0.00%
of 13F equity value
Holder Rank
#132
of 178 holders
Holding Since
Mar 2020
7 quarters on record
Voting authority
Sole 100%
Shared 0%
None 0%
Common Shares in CTMX 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. CTMX ranks #157 (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 CTMX
Export CSV
7 filing rows on record
| Report Date | Value (USD) | Shares | Type | Discretion | Filed | |
|---|---|---|---|---|---|---|
| 2026-06-30 | $74,265 | 19,804 | Shares | Sole | 2026-08-14 | |
| 2026-03-31 | $61,692 | 13,126 | Shares | Sole | 2026-05-15 | |
| 2021-03-31 | $477,714 | 61,800 | Shares | Sole | 2021-05-17 | |
| 2020-12-31 | $404,790 | 61,800 | Shares | Sole | 2021-02-03 | |
| 2020-09-30 | $462,175 | 69,500 | Shares | Sole | 2020-11-16 | |
| 2020-06-30 | $578,935 | 69,500 | Shares | Sole | 2020-08-12 | |
| 2020-03-31 | $533,065 | 69,500 | Shares | Sole | 2020-05-06 | |
| No filing history on record for this holder in this stock. | ||||||