CALIFORNIA STATE TEACHERS RETIREMENT SYSTEM
PensionPosition in PTGX — Protagonist Therapeutics, Inc
CIK 1081019
WEST SACRAMENTO, CA
Position in PTGX
as of Mar 31, 2026
· filed May 18, 2026
Position Value
$6,184,555
+$1,989,353 QoQ
Shares Held
58,677
+22.2% QoQ
Ownership
0.091%
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 PTGX Over Time
Shares Held
Position Value (USD)
Position in Biotechnology
Healthcare · as of Mar 31, 2026CALIFORNIA STATE TEACHERS RETIREMENT SYSTEM holds $855,427,423 across 222 Biotechnology names. PTGX ranks #24 (0.7% of the industry book) .
| # | Ticker | Company | Shares | Value (USD) | Open |
|---|---|---|---|---|---|
| 1 | VRTX |
Vertex Pharmaceuticals Inc / Ma
|
373,481 | $166,774,205 | |
| 2 | REGN |
Regeneron Pharmaceuticals, Inc.
|
154,201 | $119,141,860 | |
| 3 | ALNY |
Alnylam Pharmaceuticals, Inc.
|
196,863 | $65,136,060 | |
| 4 | INSM |
INSMED Inc
|
303,182 | $49,576,320 | |
| 5 | RPRX |
Royalty Pharma plc
|
759,042 | $36,411,244 | |
| 6 | INCY |
Incyte Corp
|
241,287 | $22,709,932 | |
| 7 | MRNA |
Moderna, Inc.
|
407,190 | $20,685,252 | |
| 8 | RVMD |
Revolution Medicines, Inc.
|
165,277 | $16,073,188 |
All Filings in PTGX
Export CSV
25 filing rows on record
| Report Date | Value (USD) | Shares | Type | Discretion | Filed | |
|---|---|---|---|---|---|---|
| 2026-03-31 | $6,184,555 | 58,677 | Shares | Sole | 2026-05-18 | |
| 2025-12-31 | $4,195,202 | 48,033 | Shares | Sole | 2026-02-17 | |
| 2025-09-30 | $3,151,239 | 47,437 | Shares | Sole | 2025-11-14 | |
| 2025-06-30 | $2,829,547 | 51,195 | Shares | Sole | 2025-08-14 | |
| 2025-03-31 | $2,024,156 | 41,856 | Shares | Sole | 2025-05-15 | |
| 2024-12-31 | $1,634,671 | 42,349 | Shares | Sole | 2025-03-18 | |
| 2024-09-30 | $1,919,925 | 42,665 | Shares | Sole | 2025-04-04 | |
| 2024-06-30 | $1,517,496 | 43,795 | Shares | Sole | 2025-04-08 | |
| 2024-03-31 | $1,366,624 | 47,239 | Shares | Sole | 2024-05-16 | |
| 2023-12-31 | $1,155,488 | 50,392 | Shares | Sole | 2024-02-13 | |
| 2023-09-30 | $885,374 | 53,080 | Shares | Sole | 2023-11-14 | |
| 2023-06-30 | $1,592,237 | 57,648 | Shares | Sole | 2023-08-21 | |
| 2023-03-31 | $1,143,422 | 49,714 | Shares | Sole | 2023-05-09 | |
| 2022-12-31 | $553,158 | 50,702 | Shares | Sole | 2023-02-14 | |
| 2022-09-30 | $417,849 | 49,567 | Shares | Sole | 2022-11-21 | |
| 2022-06-30 | $395,009 | 49,938 | Shares | Sole | 2022-08-15 | |
| 2022-03-31 | $1,327,311 | 56,052 | Shares | Sole | 2022-05-16 | |
| 2021-12-31 | $2,067,903 | 60,465 | Shares | Sole | 2022-02-15 | |
| 2021-09-30 | $1,001,321 | 56,508 | Shares | Sole | 2021-11-15 | |
| 2021-06-30 | $2,558,294 | 57,003 | Shares | Sole | 2021-08-16 | |
| 2021-03-31 | $1,375,885 | 53,123 | Shares | Sole | 2021-05-18 | |
| 2020-12-31 | $960,099 | 47,624 | Shares | Sole | 2021-02-16 | |
| 2020-09-30 | $896,289 | 45,846 | Shares | Sole | 2020-11-17 | |
| 2020-06-30 | $601,217 | 34,044 | Shares | Sole | 2020-08-17 | |
| 2020-03-31 | $189,603 | 26,856 | Shares | Sole | 2020-05-13 | |
| No filing history on record for this holder in this stock. | ||||||