Connor, Clark & Lunn Investment Management Ltd.
Position in IONS — Ionis Pharmaceuticals Inc
CIK 1596800
VANCOUVER, A1
Position in IONS
as of Mar 31, 2026
· filed May 11, 2026
Position Value
$65,635,343
-$19,516,287 QoQ
Shares Held
874,089
-18.8% QoQ
Ownership
0.529%
of shares outstanding
% of Portfolio
0.16%
of 13F equity value
Holder Rank
—
not a current holder
Holding Since
Mar 2021
19 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, 2026Connor, Clark & Lunn Investment Management Ltd. holds $706,217,774 across 100 Biotechnology names. IONS ranks #2 (9.3% of the industry book) .
| # | Ticker | Company | Shares | Value (USD) | Open |
|---|---|---|---|---|---|
| 1 | VRTX |
Vertex Pharmaceuticals Inc / Ma
|
251,711 | $112,399,029 | |
| 2 | IONS |
Ionis Pharmaceuticals Inc
This page
|
874,089 | $65,635,343 | |
| 3 | ARWR |
Arrowhead Pharmaceuticals, Inc.
|
836,981 | $52,478,708 | |
| 4 | MIRM |
Mirum Pharmaceuticals, Inc.
|
479,476 | $44,293,992 | |
| 5 | REGN |
Regeneron Pharmaceuticals, Inc.
|
32,164 | $24,851,192 | |
| 6 | AXSM |
Axsome Therapeutics, Inc.
|
134,792 | $22,782,543 | |
| 7 | SRPT |
Sarepta Therapeutics, Inc.
|
1,019,951 | $22,194,133 | |
| 8 | TERN |
Terns Pharmaceuticals, Inc.
|
384,681 | $20,280,382 |
All Filings in IONS
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19 filing rows on record
| Report Date | Value (USD) | Shares | Type | Discretion | Filed | |
|---|---|---|---|---|---|---|
| 2026-03-31 | $65,635,343 | 874,089 | Shares | Sole | 2026-05-11 | |
| 2025-12-31 | $85,151,630 | 1,076,370 | Shares | Sole | 2026-02-10 | |
| 2025-09-30 | $57,448,900 | 878,155 | Shares | Sole | 2025-11-13 | |
| 2025-06-30 | $10,501,481 | 265,793 | Shares | Sole | 2025-08-07 | |
| 2025-03-31 | $3,900,166 | 129,273 | Shares | Sole | 2025-05-12 | |
| 2024-12-31 | $4,383,599 | 125,389 | Shares | Sole | 2025-02-10 | |
| 2024-09-30 | $710,704 | 17,741 | Shares | Sole | 2024-11-08 | |
| 2024-06-30 | $2,109,240 | 44,256 | Shares | Sole | 2024-08-09 | |
| 2023-12-31 | $6,473,192 | 127,954 | Shares | Sole | 2024-02-09 | |
| 2023-09-30 | $5,888,272 | 129,812 | Shares | Sole | 2023-11-13 | |
| 2023-06-30 | $8,144,783 | 198,508 | Shares | Sole | 2023-08-10 | |
| 2023-03-31 | $9,962,810 | 278,758 | Shares | Sole | 2023-05-10 | |
| 2022-12-31 | $8,708,893 | 230,577 | Shares | Sole | 2023-02-10 | |
| 2022-09-30 | $10,131,368 | 229,061 | Shares | Sole | 2022-11-10 | |
| 2022-06-30 | $4,886,010 | 131,983 | Shares | Sole | 2022-08-05 | |
| 2022-03-31 | $5,822,428 | 157,193 | Shares | Sole | 2022-05-12 | |
| 2021-12-31 | $3,424,135 | 112,525 | Shares | Sole | 2022-02-10 | |
| 2021-09-30 | $1,191,877 | 35,536 | Shares | Sole | 2021-11-12 | |
| 2021-03-31 | $2,318,991 | 51,579 | Shares | Sole | 2021-05-13 | |
| No filing history on record for this holder in this stock. | ||||||