STATE OF WISCONSIN INVESTMENT BOARD
Position in PTGX — Protagonist Therapeutics, Inc
CIK 854157
MADISON, WI
Position in PTGX
as of Jun 30, 2026
· filed Aug 14, 2026
Position Value
$4,063,772
+$820,931 QoQ
Shares Held
33,152
+7.8% QoQ
Ownership
0.051%
of shares outstanding
% of Portfolio
0.01%
of 13F equity value
Holder Rank
#109
of 341 holders
Holding Since
Sep 2020
24 quarters on record
Voting authority
Sole 100%
Shared 0%
None 0%
Common Shares in PTGX 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. PTGX ranks #32 (0.8% 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 PTGX
Export CSV
24 filing rows on record
| Report Date | Value (USD) | Shares | Type | Discretion | Filed | |
|---|---|---|---|---|---|---|
| 2026-06-30 | $4,063,772 | 33,152 | Shares | Sole | 2026-08-14 | |
| 2026-03-31 | $3,242,841 | 30,767 | Shares | Sole | 2026-05-15 | |
| 2025-12-31 | $3,038,209 | 34,786 | Shares | Sole | 2026-02-17 | |
| 2025-09-30 | $2,717,385 | 40,906 | Shares | Sole | 2025-11-14 | |
| 2025-06-30 | $1,823,246 | 32,988 | Shares | Sole | 2025-08-14 | |
| 2025-03-31 | $2,598,866 | 53,740 | Shares | Sole | 2025-05-15 | |
| 2024-12-31 | $1,960,185 | 50,782 | Shares | Sole | 2025-02-14 | |
| 2024-09-30 | $2,122,200 | 47,160 | Shares | Sole | 2024-11-14 | |
| 2024-06-30 | $1,938,702 | 55,951 | Shares | Sole | 2024-08-14 | |
| 2024-03-31 | $1,200,189 | 41,486 | Shares | Sole | 2024-05-14 | |
| 2023-12-31 | $912,591 | 39,799 | Shares | Sole | 2024-02-12 | |
| 2023-09-30 | $1,025,503 | 61,481 | Shares | Sole | 2023-11-14 | |
| 2023-06-30 | $1,372,078 | 49,677 | Shares | Sole | 2023-08-14 | |
| 2023-03-31 | $831,887 | 36,169 | Shares | Sole | 2023-05-15 | |
| 2022-12-31 | $1,224,047 | 112,195 | Shares | Sole | 2023-02-14 | |
| 2022-09-30 | $358,384 | 42,513 | Shares | Sole | 2022-11-14 | |
| 2022-06-30 | $350,674 | 44,333 | Shares | Sole | 2022-08-15 | |
| 2022-03-31 | $1,266,880 | 53,500 | Shares | Sole | 2022-05-13 | |
| 2021-12-31 | $2,209,320 | 64,600 | Shares | Sole | 2022-02-11 | |
| 2021-09-30 | $1,261,664 | 71,200 | Shares | Sole | 2021-11-12 | |
| 2021-06-30 | $2,764,608 | 61,600 | Shares | Sole | 2021-08-12 | |
| 2021-03-31 | $1,390,830 | 53,700 | Shares | Sole | 2021-05-17 | |
| 2020-12-31 | $1,116,864 | 55,400 | Shares | Sole | 2021-02-03 | |
| 2020-09-30 | $1,034,195 | 52,900 | Shares | Sole | 2020-11-16 | |
| No filing history on record for this holder in this stock. | ||||||