XENON PHARMACEUTICALS INC.XENE— Latest position per institution from SEC 13F filings
15
Institutional holders
64.40M
Total shares held
3.59B
Estimated value
3.22M
Avg. position size
FMR LLC
CIK 315066
Shares
10.82M
Value
629.10M
Filed
Mar 31, 2026
AVORO CAPITAL ADVISORS LLC
CIK 1633313
Shares
5.78M
Value
335.98M
Filed
Mar 31, 2026
BLACKROCK, INC.
CIK 2012383
Shares
5.64M
Value
327.97M
Filed
Mar 31, 2026
WELLINGTON MANAGEMENT GROUP LLP
CIK 902219
Shares
4.83M
Value
280.84M
Filed
Mar 31, 2026
DRIEHAUS CAPITAL MANAGEMENT LLC
CIK 938206
Shares
4.49M
Value
261.19M
Filed
Mar 31, 2026
POLAR CAPITAL HOLDINGS PLC
CIK 1837309
Shares
4.41M
Value
256.17M
Filed
Mar 31, 2026
JANUS HENDERSON GROUP PLC
CIK 1274173
Shares
4.18M
Value
242.86M
Filed
Mar 31, 2026
CITADEL ADVISORS LLC
CIK 1423053
Shares
2.89M
Value
167.84M
Filed
Mar 31, 2026
CAPITAL INTERNATIONAL INVESTORS
CIK 1562230
Shares
2.67M
Value
155.54M
Filed
Mar 31, 2026
BLACKROCK FINANCE, INC.
CIK 1364742
Shares
2.10M
Value
81.72M
Filed
Jun 30, 2024
PARADIGM BIOCAPITAL ADVISORS LP
CIK 1855655
Shares
2.04M
Value
79.67M
Filed
Jun 30, 2024
PICTET ASSET MANAGEMENT SA
CIK 1361570
Shares
2.03M
Value
78.26M
Filed
Jun 30, 2023
STATE STREET CORP
CIK 93751
Shares
1.72M
Value
100.05M
Filed
Mar 31, 2026
SUSQUEHANNA INTERNATIONAL GROUP, LLP
CIK 1446194
Shares
1.70M
Value
98.57M
Filed
Mar 31, 2026
AFFINITY ASSET ADVISORS, LLC
CIK 1773195
Shares
1.68M
Value
97.40M
Filed
Mar 31, 2026
DEERFIELD MANAGEMENT COMPANY, L.P.
CIK 1009258
Shares
1.62M
Value
93.95M
Filed
Mar 31, 2026
HOLOCENE ADVISORS, LP
CIK 1700574
Shares
1.52M
Value
88.31M
Filed
Mar 31, 2026
JPMORGAN CHASE & CO
CIK 19617
Shares
1.49M
Value
66.96M
Filed
Dec 31, 2025
ALLIANCEBERNSTEIN L.P.
CIK 1109448
Shares
1.40M
Value
62.90M
Filed
Mar 31, 2026
WESTFIELD CAPITAL MANAGEMENT CO LP
CIK 1177719
Shares
1.40M
Value
81.50M
Filed
Mar 31, 2026
| # | Institution | CIK | Shares | Est. Value | Period |
|---|---|---|---|---|---|
| 1 | FMR LLC | 315066 | 10.82M | 629.10M | Mar 31, 2026 |
| 2 | AVORO CAPITAL ADVISORS LLC | 1633313 | 5.78M | 335.98M | Mar 31, 2026 |
| 3 | BLACKROCK, INC. | 2012383 | 5.64M | 327.97M | Mar 31, 2026 |
| 4 | WELLINGTON MANAGEMENT GROUP LLP | 902219 | 4.83M | 280.84M | Mar 31, 2026 |
| 5 | DRIEHAUS CAPITAL MANAGEMENT LLC | 938206 | 4.49M | 261.19M | Mar 31, 2026 |
| 6 | POLAR CAPITAL HOLDINGS PLC | 1837309 | 4.41M | 256.17M | Mar 31, 2026 |
| 7 | JANUS HENDERSON GROUP PLC | 1274173 | 4.18M | 242.86M | Mar 31, 2026 |
| 8 | CITADEL ADVISORS LLC | 1423053 | 2.89M | 167.84M | Mar 31, 2026 |
| 9 | CAPITAL INTERNATIONAL INVESTORS | 1562230 | 2.67M | 155.54M | Mar 31, 2026 |
| 10 | BLACKROCK FINANCE, INC. | 1364742 | 2.10M | 81.72M | Jun 30, 2024 |
| 11 | PARADIGM BIOCAPITAL ADVISORS LP | 1855655 | 2.04M | 79.67M | Jun 30, 2024 |
| 12 | PICTET ASSET MANAGEMENT SA | 1361570 | 2.03M | 78.26M | Jun 30, 2023 |
| 13 | STATE STREET CORP | 93751 | 1.72M | 100.05M | Mar 31, 2026 |
| 14 | SUSQUEHANNA INTERNATIONAL GROUP, LLP | 1446194 | 1.70M | 98.57M | Mar 31, 2026 |
| 15 | AFFINITY ASSET ADVISORS, LLC | 1773195 | 1.68M | 97.40M | Mar 31, 2026 |
| 16 | DEERFIELD MANAGEMENT COMPANY, L.P. | 1009258 | 1.62M | 93.95M | Mar 31, 2026 |
| 17 | HOLOCENE ADVISORS, LP | 1700574 | 1.52M | 88.31M | Mar 31, 2026 |
| 18 | JPMORGAN CHASE & CO | 19617 | 1.49M | 66.96M | Dec 31, 2025 |
| 19 | ALLIANCEBERNSTEIN L.P. | 1109448 | 1.40M | 62.90M | Mar 31, 2026 |
| 20 | WESTFIELD CAPITAL MANAGEMENT CO LP | 1177719 | 1.40M | 81.50M | Mar 31, 2026 |
Data sourced from SEC Form 13F institutional holdings reports. Positions reflect the most recent filing per institution.