California Public Employees Retirement System
PensionPosition in IONS — Ionis Pharmaceuticals Inc
CIK 919079
Sacramento, CA
Position in IONS
as of Mar 31, 2026
· filed May 6, 2026
Position Value
$19,184,368
+$2,304,826 QoQ
Shares Held
255,485
+19.7% QoQ
Ownership
0.155%
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 IONS Over Time
Shares Held
Position Value (USD)
Position in Biotechnology
Healthcare · as of Mar 31, 2026California Public Employees Retirement System holds $915,039,349 across 23 Biotechnology names. IONS ranks #12 (2.1% of the industry book) .
| # | Ticker | Company | Shares | Value (USD) | Open |
|---|---|---|---|---|---|
| 1 | VRTX |
Vertex Pharmaceuticals Inc / Ma
|
503,374 | $224,776,625 | |
| 2 | REGN |
Regeneron Pharmaceuticals, Inc.
|
218,772 | $169,031,998 | |
| 3 | ALNY |
Alnylam Pharmaceuticals, Inc.
|
227,997 | $75,437,367 | |
| 4 | INSM |
INSMED Inc
|
344,612 | $56,350,954 | |
| 5 | INCY |
Incyte Corp
|
483,336 | $45,491,584 | |
| 6 | RPRX |
Royalty Pharma plc
|
907,318 | $43,524,044 | |
| 7 | MRNA |
Moderna, Inc.
|
628,160 | $31,910,528 | |
| 8 | BMRN |
Biomarin Pharmaceutical Inc
|
490,715 | $27,720,490 |
All Filings in IONS
Export CSV
25 filing rows on record
| Report Date | Value (USD) | Shares | Type | Discretion | Filed | |
|---|---|---|---|---|---|---|
| 2026-03-31 | $19,184,368 | 255,485 | Shares | Sole | 2026-05-06 | |
| 2025-12-31 | $16,879,542 | 213,368 | Shares | Sole | 2026-02-12 | |
| 2025-09-30 | $14,120,579 | 215,845 | Shares | Sole | 2025-11-14 | |
| 2025-06-30 | $7,980,743 | 201,993 | Shares | Sole | 2025-08-13 | |
| 2025-03-31 | $5,762,590 | 191,004 | Shares | Sole | 2025-05-13 | |
| 2024-12-31 | $6,716,864 | 192,130 | Shares | Sole | 2025-04-23 | |
| 2024-09-30 | $8,482,945 | 211,756 | Shares | Sole | 2024-11-13 | |
| 2024-06-30 | $9,364,427 | 196,484 | Shares | Sole | 2024-08-14 | |
| 2024-03-31 | $8,841,015 | 203,945 | Shares | Sole | 2024-04-30 | |
| 2023-12-31 | $10,595,367 | 209,436 | Shares | Sole | 2024-02-01 | |
| 2023-09-30 | $29,727,628 | 655,371 | Shares | Sole | 2023-11-02 | |
| 2023-06-30 | $10,564,158 | 257,474 | Shares | Sole | 2023-08-09 | |
| 2023-03-31 | $10,090,331 | 282,326 | Shares | Sole | 2023-05-12 | |
| 2022-12-31 | $12,457,943 | 329,837 | Shares | Sole | 2023-02-08 | |
| 2022-09-30 | $14,312,208 | 323,586 | Shares | Sole | 2022-11-09 | |
| 2022-06-30 | $10,453,781 | 282,382 | Shares | Sole | 2022-08-10 | |
| 2022-03-31 | $10,919,947 | 294,815 | Shares | Sole | 2022-05-04 | |
| 2021-12-31 | $8,655,022 | 284,424 | Shares | Sole | 2022-02-10 | |
| 2021-09-30 | $9,663,813 | 288,128 | Shares | Sole | 2021-11-10 | |
| 2021-06-30 | $12,791,925 | 320,680 | Shares | Sole | 2021-08-13 | |
| 2021-03-31 | $14,233,301 | 316,577 | Shares | Sole | 2021-05-14 | |
| 2020-12-31 | $17,007,571 | 300,806 | Shares | Sole | 2021-02-02 | |
| 2020-09-30 | $14,139,293 | 297,983 | Shares | Sole | 2020-11-05 | |
| 2020-06-30 | $17,138,256 | 290,676 | Shares | Sole | 2020-08-12 | |
| 2020-03-31 | $13,548,225 | 286,553 | Shares | Sole | 2020-05-12 | |
| No filing history on record for this holder in this stock. | ||||||