ADAGE CAPITAL PARTNERS GP, L.L.C.
Position in XENE — Xenon Pharmaceuticals Inc.
CIK 1165408
Boston, MA
Position in XENE
as of Mar 31, 2026
· filed May 15, 2026
Position Value
$27,330,500
-$3,375,682 QoQ
Shares Held
470,000
-31.4% QoQ
Ownership
0.486%
of shares outstanding
% of Portfolio
0.04%
of 13F equity value
Holder Rank
—
not a current holder
Holding Since
Mar 2020
25 quarters on record
Voting authority
Sole 100.ToString("F0")%
Shared 0.ToString("F0")%
None 0.ToString("F0")%
Common Shares in XENE Over Time
Shares Held
Position Value (USD)
Position in Biotechnology
Healthcare · as of Mar 31, 2026ADAGE CAPITAL PARTNERS GP, L.L.C. holds $4,595,586,445 across 121 Biotechnology names. XENE ranks #36 (0.6% of the industry book) .
| # | Ticker | Company | Shares | Value (USD) | Open |
|---|---|---|---|---|---|
| 1 | RVMD |
Revolution Medicines, Inc.
|
5,475,611 | $532,503,169 | |
| 2 | RPRX |
Royalty Pharma plc
|
7,480,633 | $358,845,965 | |
| 3 | CNTA |
Centessa Pharmaceuticals plc
|
8,925,010 | $354,501,397 | |
| 4 | ROIV |
Roivant Sciences Ltd.
|
12,794,097 | $354,396,486 | |
| 5 | TNGX |
Tango Therapeutics, Inc.
|
12,809,485 | $267,974,426 | |
| 6 | PRAX |
Praxis Precision Medicines, Inc.
|
815,739 | $262,822,948 | |
| 7 | INSM |
INSMED Inc
|
900,000 | $147,168,000 | |
| 8 | AXSM |
Axsome Therapeutics, Inc.
|
737,578 | $124,665,433 |
All Filings in XENE
Export CSV
25 filing rows on record
| Report Date | Value (USD) | Shares | Type | Discretion | Filed | |
|---|---|---|---|---|---|---|
| 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. | ||||||