TEACHER RETIREMENT SYSTEM OF TEXAS
PensionPosition in IONS — Ionis Pharmaceuticals Inc
CIK 796848
AUSTIN, TX
Position in IONS
as of Jun 30, 2026
· filed Aug 14, 2026
Position Value
$41,414,514
+$2,072,461 QoQ
Shares Held
522,317
-0.3% QoQ
Ownership
0.314%
of shares outstanding
% of Portfolio
0.13%
of 13F equity value
Holder Rank
#54
of 510 holders
Holding Since
Mar 2020
26 quarters on record
Voting authority
Sole 100%
Shared 0%
None 0%
Common Shares in IONS Over Time
Shares Held
Position Value (USD)
Position in Biotechnology
Healthcare · as of Jun 30, 2026TEACHER RETIREMENT SYSTEM OF TEXAS holds $188,150,386 across 103 Biotechnology names. IONS ranks #2 (22.0% of the industry book) .
| # | Ticker | Company | Shares | Value (USD) | Open |
|---|---|---|---|---|---|
| 1 | VRTX |
Vertex Pharmaceuticals Inc / Ma
|
135,619 | $67,366,025 | |
| 2 | IONS |
Ionis Pharmaceuticals Inc
This page
|
522,317 | $41,414,514 | |
| 3 | REGN |
Regeneron Pharmaceuticals, Inc.
|
26,217 | $16,347,348 | |
| 4 | ALNY |
Alnylam Pharmaceuticals, Inc.
|
18,125 | $5,456,168 | |
| 5 | RVMD |
Revolution Medicines, Inc.
|
22,212 | $4,159,863 | |
| 6 | RPRX |
Royalty Pharma plc
|
56,171 | $3,149,507 | |
| 7 | INSM |
INSMED Inc
|
28,747 | $3,065,005 | |
| 8 | MRNA |
Moderna, Inc.
|
39,284 | $2,751,058 |
All Filings in IONS
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26 filing rows on record
| Report Date | Value (USD) | Shares | Type | Discretion | Filed | |
|---|---|---|---|---|---|---|
| 2026-06-30 | $41,414,514 | 522,317 | Shares | Sole | 2026-08-14 | |
| 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. | ||||||