Which hedge funds own XENE? XENON PHARMACEUTICALS INC, Q2 2026 13F holders
74 tracked hedge funds disclosed a position in XENE (XENON PHARMACEUTICALS INC) in their Q2 2026 13F filings, worth $1.9bn in total. The largest holder by portfolio weight is TLS Advisors LLC at 5.5% of its book. 12 opened a new position this quarter: Jones Hill Capital LP, Seven Fleet Capital Management LP, Capricorn Fund Managers Ltd, Dark Forest Capital Management LP. 8 exited: Commodore Capital LP, MPM Bioimpact LLC, Sofinnova Investments, Inc..
- 74
- Holders Tracked managers whose filing for the quarter reports a long equity position in the security.
- 12
- New this quarter Holders whose previous filing (at most two quarters earlier) did not report the security.
- 8
- Exited this quarter Tracked managers whose previous filing reported the security and whose filing for the quarter does not.
- $94.9m
- Inflow, new holders Combined value of the positions the new holders reported for the quarter.
- $201m
- Outflow, exits Combined value the exiting managers reported for the security in their previous filing.
- $1.9bn
- Combined value Sum of the holders' reported positions in the security.
- 6.0%
- Share of managers holding Holders as a share of tracked managers filing for that quarter. Comparable across the 2024 coverage expansion, where the raw holder count is not.
Holders, Q2 2026
Exited since the previous filing
| Commodore Capital LP | 2.8% | $48.0m |
| MPM Bioimpact LLC | 2.6% | $34.2m |
| Sofinnova Investments, Inc. | 0.9% | $17.7m |
| Atika Capital Management LLC | 0.5% | $3.5m |
| Holocene Advisors, LP | 0.2% | $88.3m |
| Y-Intercept (Hong Kong) Ltd | 0.09% | $5.0m |
| SummitTX Capital, L.P. | 0.05% | $1.5m |
| Qube Research & Technologies Ltd | 0.0% | $2.6m |
Ownership over time
Who discovered XENE first? Beta
The run: Q3 2021 → Q2 2026, +295%
| Great Point Partners LLC high conviction | Q3 2021 | 2.5% | +5.1 pts |
| Avoro Capital Advisors LLC | Q1 2021 | 0.9% | +3.4 pts |
| Affinity Asset Advisors, LLC high conviction | Q4 2021 | 0.3% | +2.5 pts |
| Tri Locum Partners LP high conviction | Q3 2021 | 1.9% | +2.5 pts |
| Ikarian Capital, LLC | Q1 2021 | 1.3% | +1.7 pts |
| Soleus Capital Management, L.P. | Q4 2021 | 0.5% | +1.7 pts |
| Silverarc Capital Management, LLC | Q4 2021 | 0.2% | +0.9 pts |
| HighVista Strategies LLC | Q4 2021 | 0.8% | +0.7 pts |
| Perceptive Advisors LLC | Q4 2021 | 0.5% | +0.5 pts |
| Sphera Funds Management Ltd. | Q2 2021 | 0.6% | −1.1 pts |
Split-adjusted quarter-end prices, excluding dividends. They describe the stock while each manager held it, not the return it earned.