ADAGE CAPITAL PARTNERS GP, L.L.C.
Position in XENE — Xenon Pharmaceuticals Inc.
CIK 1165408
Boston, MA
Position in XENE
as of Jun 30, 2026
· filed Aug 14, 2026
Position Value
$18,108,000
-$9,222,500 QoQ
Shares Held
300,000
-36.2% QoQ
Ownership
0.310%
of shares outstanding
% of Portfolio
0.03%
of 13F equity value
Holder Rank
#63
of 314 holders
Holding Since
Mar 2020
26 quarters on record
Voting authority
Sole 100%
Shared 0%
None 0%
Common Shares in XENE Over Time
Shares Held
Position Value (USD)
Position in Biotechnology
Healthcare · as of Jun 30, 2026ADAGE CAPITAL PARTNERS GP, L.L.C. holds $4,240,035,723 across 126 Biotechnology names. XENE ranks #56 (0.4% of the industry book) .
| # | Ticker | Company | Shares | Value (USD) | Open |
|---|---|---|---|---|---|
| 1 | ROIV |
Roivant Sciences Ltd.
|
10,349,328 | $366,262,717 | |
| 2 | PRAX |
Praxis Precision Medicines, Inc.
|
1,015,480 | $339,972,549 | |
| 3 | VRTX |
Vertex Pharmaceuticals Inc / Ma
|
393,964 | $195,693,737 | |
| 4 | TNGX |
Tango Therapeutics, Inc.
|
5,600,000 | $175,056,000 | |
| 5 | BBIO |
BridgeBio Pharma, Inc.
|
2,252,000 | $167,728,960 | |
| 6 | SYRE |
Spyre Therapeutics, Inc.
|
1,722,300 | $152,905,794 | |
| 7 | TVTX |
Travere Therapeutics, Inc.
|
2,569,356 | $145,965,114 | |
| 8 | RPRX |
Royalty Pharma plc
|
2,500,000 | $140,175,000 |
All Filings in XENE
Export CSV
26 filing rows on record
| Report Date | Value (USD) | Shares | Type | Discretion | Filed | |
|---|---|---|---|---|---|---|
| 2026-06-30 | $18,108,000 | 300,000 | Shares | Sole | 2026-08-14 | |
| 2026-03-31 | $27,330,500 | 470,000 | Shares | Sole | 2026-05-15 | |
| 2025-12-31 | $30,706,182 | 685,100 | Shares | Sole | 2026-02-17 | |
| 2025-09-30 | $33,529,265 | 835,100 | Shares | Sole | 2025-11-14 | |
| 2025-06-30 | $40,380,130 | 1,290,100 | Shares | Sole | 2025-08-14 | |
| 2025-03-31 | $64,239,828 | 1,914,749 | Shares | Sole | 2025-05-15 | |
| 2024-12-31 | $73,048,141 | 1,863,473 | Shares | Sole | 2025-02-14 | |
| 2024-09-30 | $82,045,977 | 2,083,972 | Shares | Sole | 2024-11-14 | |
| 2024-06-30 | $71,724,249 | 1,839,555 | Shares | Sole | 2024-08-14 | |
| 2024-03-31 | $71,976,026 | 1,671,917 | Shares | Sole | 2024-05-15 | |
| 2023-12-31 | $48,304,273 | 1,048,725 | Shares | Sole | 2024-02-14 | |
| 2023-09-30 | $18,788,000 | 550,000 | Shares | Sole | 2023-11-14 | |
| 2023-06-30 | $25,795,000 | 670,000 | Shares | Other | 2023-08-14 | |
| 2023-03-31 | $26,842,500 | 750,000 | Shares | Sole | 2023-05-15 | |
| 2022-12-31 | $28,586,750 | 725,000 | Shares | Sole | 2023-02-14 | |
| 2022-09-30 | $24,367,500 | 675,000 | Shares | Sole | 2022-11-14 | |
| 2022-06-30 | $19,164,600 | 630,000 | Shares | Sole | 2022-08-15 | |
| 2022-03-31 | $19,870,500 | 650,000 | Shares | Sole | 2022-05-16 | |
| 2021-12-31 | $20,774,600 | 665,000 | Shares | Sole | 2022-02-14 | |
| 2021-09-30 | $17,954,000 | 1,175,000 | Shares | Sole | 2021-11-15 | |
| 2021-06-30 | $28,395,500 | 1,525,000 | Shares | Sole | 2021-08-16 | |
| 2021-03-31 | $45,645,000 | 2,550,000 | Shares | Sole | 2021-05-17 | |
| 2020-12-31 | $37,681,000 | 2,450,000 | Shares | Sole | 2021-02-16 | |
| 2020-09-30 | $27,121,500 | 2,450,000 | Shares | Sole | 2020-11-16 | |
| 2020-06-30 | $25,393,500 | 2,025,000 | Shares | Sole | 2020-08-14 | |
| 2020-03-31 | $22,963,500 | 2,025,000 | Shares | Sole | 2020-05-15 | |
| No filing history on record for this holder in this stock. | ||||||