Connor, Clark & Lunn Investment Management Ltd.
Position in GOSS — Gossamer Bio, Inc.
CIK 1596800
VANCOUVER, A1
Position in GOSS
as of Mar 31, 2026
· filed May 11, 2026
Position Value
$216,554
-$1,420,410 QoQ
Shares Held
658,221
+24.7% QoQ
Ownership
0.135%
of shares outstanding
% of Portfolio
0.00%
of 13F equity value
Holder Rank
—
not a current holder
Holding Since
Sep 2021
10 quarters on record
Voting authority
Sole 100%
Shared 0%
None 0%
Common Shares in GOSS Over Time
Shares Held
Position Value (USD)
Position in Biotechnology
Healthcare · as of Jun 30, 2026Connor, Clark & Lunn Investment Management Ltd. holds $650,455,382 across 105 Biotechnology names.
| # | Ticker | Company | Shares | Value (USD) | Open |
|---|---|---|---|---|---|
| 1 | VRTX |
Vertex Pharmaceuticals Inc / Ma
|
135,236 | $67,175,777 | |
| 2 | IONS |
Ionis Pharmaceuticals Inc
|
684,236 | $54,253,072 | |
| 3 | ARWR |
Arrowhead Pharmaceuticals, Inc.
|
625,569 | $50,990,129 | |
| 4 | MIRM |
Mirum Pharmaceuticals, Inc.
|
420,063 | $49,176,775 | |
| 5 | REGN |
Regeneron Pharmaceuticals, Inc.
|
42,465 | $26,478,625 | |
| 6 | AXSM |
Axsome Therapeutics, Inc.
|
97,698 | $23,913,539 | |
| 7 | INSM |
INSMED Inc
|
212,676 | $22,675,515 | |
| 8 | VKTX |
Viking Therapeutics, Inc.
|
530,607 | $20,698,979 |
All Filings in GOSS
Export CSV
10 filing rows on record
| Report Date | Value (USD) | Shares | Type | Discretion | Filed | |
|---|---|---|---|---|---|---|
| 2026-03-31 | $216,554 | 658,221 | Shares | Sole | 2026-05-11 | |
| 2025-12-31 | $1,636,964 | 528,053 | Shares | Sole | 2026-02-10 | |
| 2025-09-30 | $66,930 | 25,449 | Shares | Sole | 2025-11-13 | |
| 2023-06-30 | $151,479 | 126,233 | Shares | Sole | 2023-08-10 | |
| 2023-03-31 | $334,711 | 265,644 | Shares | Sole | 2023-05-10 | |
| 2022-09-30 | $1,456,121 | 121,546 | Shares | Sole | 2022-11-10 | |
| 2022-06-30 | $480,161 | 57,367 | Shares | Sole | 2022-08-05 | |
| 2022-03-31 | $392,804 | 45,254 | Shares | Sole | 2022-05-12 | |
| 2021-12-31 | $517,081 | 45,719 | Shares | Sole | 2022-02-10 | |
| 2021-09-30 | $584,580 | 46,506 | Shares | Sole | 2021-11-12 | |
| No filing history on record for this holder in this stock. | ||||||