CALIFORNIA STATE TEACHERS RETIREMENT SYSTEM
PensionPosition in PTCT — Ptc Therapeutics, Inc.
CIK 1081019
WEST SACRAMENTO, CA
Position in PTCT
as of Mar 31, 2026
· filed May 18, 2026
Position Value
$5,744,721
+$557,185 QoQ
Shares Held
84,320
+23.5% QoQ
Ownership
0.102%
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.ToString("F0")%
Shared 0.ToString("F0")%
None 0.ToString("F0")%
Common Shares in PTCT Over Time
Shares Held
Position Value (USD)
Position in Biotechnology
Healthcare · as of Mar 31, 2026CALIFORNIA STATE TEACHERS RETIREMENT SYSTEM holds $883,936,485 across 222 Biotechnology names. PTCT ranks #26 (0.6% 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 PTCT
Export CSV
25 filing rows on record
| Report Date | Value (USD) | Shares | Type | Discretion | Filed | |
|---|---|---|---|---|---|---|
| 2026-03-31 | $5,744,721 | 84,320 | Shares | Sole | 2026-05-18 | |
| 2025-12-31 | $5,187,536 | 68,293 | Shares | Sole | 2026-02-17 | |
| 2025-09-30 | $3,960,021 | 64,527 | Shares | Sole | 2025-11-14 | |
| 2025-06-30 | $3,151,352 | 64,524 | Shares | Sole | 2025-08-14 | |
| 2025-03-31 | $3,283,098 | 64,425 | Shares | Sole | 2025-05-15 | |
| 2024-12-31 | $2,945,565 | 65,254 | Shares | Sole | 2025-03-18 | |
| 2024-09-30 | $2,441,736 | 65,815 | Shares | Sole | 2025-04-04 | |
| 2024-06-30 | $2,075,372 | 67,867 | Shares | Sole | 2025-04-08 | |
| 2024-03-31 | $1,987,806 | 68,333 | Shares | Sole | 2024-05-16 | |
| 2023-12-31 | $1,992,174 | 72,285 | Shares | Sole | 2024-02-13 | |
| 2023-09-30 | $1,672,772 | 74,644 | Shares | Sole | 2023-11-14 | |
| 2023-06-30 | $3,335,834 | 82,022 | Shares | Sole | 2023-08-21 | |
| 2023-03-31 | $4,019,115 | 82,971 | Shares | Sole | 2023-05-09 | |
| 2022-12-31 | $3,208,951 | 84,070 | Shares | Sole | 2023-02-14 | |
| 2022-09-30 | $4,165,997 | 82,988 | Shares | Sole | 2022-11-21 | |
| 2022-06-30 | $3,399,211 | 84,853 | Shares | Sole | 2022-08-15 | |
| 2022-03-31 | $3,150,754 | 84,448 | Shares | Sole | 2022-05-16 | |
| 2021-12-31 | $3,644,564 | 91,503 | Shares | Sole | 2022-02-15 | |
| 2021-09-30 | $3,331,076 | 89,521 | Shares | Sole | 2021-11-15 | |
| 2021-06-30 | $4,048,324 | 95,773 | Shares | Sole | 2021-08-16 | |
| 2021-03-31 | $4,412,357 | 93,186 | Shares | Sole | 2021-05-18 | |
| 2020-12-31 | $5,709,173 | 93,547 | Shares | Sole | 2021-02-16 | |
| 2020-09-30 | $4,377,529 | 93,637 | Shares | Sole | 2020-11-17 | |
| 2020-06-30 | $4,727,699 | 93,175 | Shares | Sole | 2020-08-17 | |
| 2020-03-31 | $4,095,554 | 91,808 | Shares | Sole | 2020-05-13 | |
| No filing history on record for this holder in this stock. | ||||||