HORIZON KINETICS ASSET MANAGEMENT LLC
Position in IONS — Ionis Pharmaceuticals Inc
CIK 1056823
NEW YORK, NY
Position in IONS
as of Jun 30, 2026
· filed Aug 11, 2026
Position Value
$864,578
+$6,450 QoQ
Shares Held
10,904
-4.6% QoQ
Ownership
0.007%
of shares outstanding
% of Portfolio
0.01%
of 13F equity value
Holder Rank
#261
of 513 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, 2026HORIZON KINETICS ASSET MANAGEMENT LLC holds $23,045,365 across 14 Biotechnology names. IONS ranks #2 (3.8% of the industry book) .
| # | Ticker | Company | Shares | Value (USD) | Open |
|---|---|---|---|---|---|
| 1 | RPRX |
Royalty Pharma plc
|
344,861 | $19,336,356 | |
| 2 | IONS |
Ionis Pharmaceuticals Inc
This page
|
10,904 | $864,578 | |
| 3 | ALNY |
Alnylam Pharmaceuticals, Inc.
|
2,168 | $652,633 | |
| 4 | CRSP |
CRISPR Therapeutics AG
|
9,353 | $510,112 | |
| 5 | REGN |
Regeneron Pharmaceuticals, Inc.
|
645 | $402,183 | |
| 6 | BEAM |
Beam Therapeutics Inc.
|
8,388 | $287,876 | |
| 7 | GALT |
Galectin Therapeutics Inc
|
46,968 | $217,931 | |
| 8 | NTLA |
Intellia Therapeutics, Inc.
|
12,584 | $212,921 |
All Filings in IONS
Export CSV
26 filing rows on record
| Report Date | Value (USD) | Shares | Type | Discretion | Filed | |
|---|---|---|---|---|---|---|
| 2026-06-30 | $864,578 | 10,904 | Shares | Defined | 2026-08-11 | |
| 2026-03-31 | $858,128 | 11,428 | Shares | Defined | 2026-05-15 | |
| 2025-12-31 | $945,522 | 11,952 | Shares | Defined | 2026-02-11 | |
| 2025-09-30 | $816,179 | 12,476 | Shares | Defined | 2025-11-14 | |
| 2025-06-30 | $472,223 | 11,952 | Shares | Defined | 2025-08-12 | |
| 2025-03-31 | $376,400 | 12,476 | Shares | Defined | 2025-05-15 | |
| 2024-12-31 | $436,160 | 12,476 | Shares | Defined | 2025-02-10 | |
| 2024-09-30 | $478,797 | 11,952 | Shares | Defined | 2024-11-13 | |
| 2024-06-30 | $594,606 | 12,476 | Shares | Defined | 2024-08-14 | |
| 2024-03-31 | $540,834 | 12,476 | Shares | Defined | 2024-05-14 | |
| 2023-12-31 | $631,160 | 12,476 | Shares | Defined | 2024-02-15 | |
| 2023-09-30 | $589,680 | 13,000 | Shares | Defined | 2023-11-14 | |
| 2023-06-30 | $533,390 | 13,000 | Shares | Defined | 2023-08-14 | |
| 2023-03-31 | $464,620 | 13,000 | Shares | Defined | 2023-05-12 | |
| 2022-12-31 | $302,160 | 8,000 | Shares | Defined | 2023-02-09 | |
| 2022-09-30 | $353,840 | 8,000 | Shares | Defined | 2022-11-15 | |
| 2022-06-30 | $296,160 | 8,000 | Shares | Defined | 2022-08-05 | |
| 2022-03-31 | $296,320 | 8,000 | Shares | Defined | 2022-05-13 | |
| 2021-12-31 | $243,440 | 8,000 | Shares | Defined | 2022-02-15 | |
| 2021-09-30 | $268,320 | 8,000 | Shares | Defined | 2021-11-15 | |
| 2021-06-30 | $319,120 | 8,000 | Shares | Defined | 2021-08-16 | |
| 2021-03-31 | $359,680 | 8,000 | Shares | Defined | 2021-05-11 | |
| 2020-12-31 | $508,860 | 9,000 | Shares | Defined | 2021-02-16 | |
| 2020-09-30 | $616,850 | 13,000 | Shares | Defined | 2020-11-16 | |
| 2020-06-30 | $766,480 | 13,000 | Shares | Defined | 2020-08-14 | |
| 2020-03-31 | $567,360 | 12,000 | Shares | Defined | 2020-05-13 | |
| No filing history on record for this holder in this stock. | ||||||