TEACHER RETIREMENT SYSTEM OF TEXAS
PensionPosition in IONS — Ionis Pharmaceuticals Inc
CIK 796848
AUSTIN, TX
Position in IONS
as of Mar 31, 2026
· filed Apr 30, 2026
Position Value
$39,342,053
+$5,886,514 QoQ
Shares Held
523,932
+23.9% QoQ
Ownership
0.317%
of shares outstanding
% of Portfolio
0.18%
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, 2026TEACHER RETIREMENT SYSTEM OF TEXAS holds $172,736,249 across 99 Biotechnology names. IONS ranks #2 (22.8% of the industry book) .
| # | Ticker | Company | Shares | Value (USD) | Open |
|---|---|---|---|---|---|
| 1 | VRTX |
Vertex Pharmaceuticals Inc / Ma
|
124,317 | $55,512,513 | |
| 2 | IONS |
Ionis Pharmaceuticals Inc
This page
|
523,932 | $39,342,053 | |
| 3 | REGN |
Regeneron Pharmaceuticals, Inc.
|
21,477 | $16,593,989 | |
| 4 | ALNY |
Alnylam Pharmaceuticals, Inc.
|
18,830 | $6,230,282 | |
| 5 | INSM |
INSMED Inc
|
30,382 | $4,968,064 | |
| 6 | INVA |
Innoviva, Inc.
|
200,082 | $4,661,910 | |
| 7 | RPRX |
Royalty Pharma plc
|
58,690 | $2,815,359 | |
| 8 | MRNA |
Moderna, Inc.
|
45,607 | $2,316,835 |
All Filings in IONS
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25 filing rows on record
| Report Date | Value (USD) | Shares | Type | Discretion | Filed | |
|---|---|---|---|---|---|---|
| 2026-03-31 | $39,342,053 | 523,932 | Shares | Sole | 2026-04-30 | |
| 2025-12-31 | $33,455,539 | 422,899 | Shares | Sole | 2026-01-28 | |
| 2025-09-30 | $31,005,481 | 473,945 | Shares | Sole | 2025-10-30 | |
| 2025-06-30 | $26,403,466 | 668,273 | Shares | Sole | 2025-08-01 | |
| 2025-03-31 | $15,098,606 | 500,451 | Shares | Sole | 2025-04-28 | |
| 2024-12-31 | $2,300,088 | 65,792 | Shares | Sole | 2025-02-11 | |
| 2024-09-30 | $2,271,361 | 56,699 | Shares | Sole | 2024-11-13 | |
| 2024-06-30 | $2,504,628 | 52,552 | Shares | Sole | 2024-08-09 | |
| 2024-03-31 | $1,245,705 | 28,736 | Shares | Sole | 2024-05-06 | |
| 2023-12-31 | $1,509,807 | 29,844 | Shares | Sole | 2024-02-07 | |
| 2023-09-30 | $1,659,178 | 36,578 | Shares | Sole | 2023-10-31 | |
| 2023-06-30 | $1,432,070 | 34,903 | Shares | Sole | 2023-07-19 | |
| 2023-03-31 | $1,407,548 | 39,383 | Shares | Sole | 2023-05-12 | |
| 2022-12-31 | $1,449,537 | 38,378 | Shares | Sole | 2023-02-13 | |
| 2022-09-30 | $1,850,760 | 41,844 | Shares | Sole | 2022-11-03 | |
| 2022-06-30 | $750,210 | 20,265 | Shares | Sole | 2022-08-09 | |
| 2022-03-31 | $970,892 | 26,212 | Shares | Sole | 2022-05-09 | |
| 2021-12-31 | $744,135 | 24,454 | Shares | Sole | 2022-02-10 | |
| 2021-09-30 | $662,750 | 19,760 | Shares | Sole | 2021-11-09 | |
| 2021-06-30 | $698,793 | 17,518 | Shares | Sole | 2021-08-05 | |
| 2021-03-31 | $1,256,901 | 27,956 | Shares | Sole | 2021-05-11 | |
| 2020-12-31 | $1,460,371 | 25,829 | Shares | Sole | 2021-02-11 | |
| 2020-09-30 | $1,071,373 | 22,579 | Shares | Sole | 2020-11-02 | |
| 2020-06-30 | $1,080,795 | 18,331 | Shares | Sole | 2020-08-11 | |
| 2020-03-31 | $734,211 | 15,529 | Shares | Sole | 2020-05-05 | |
| No filing history on record for this holder in this stock. | ||||||