Position in XENE
as of Mar 31, 2026
· filed May 15, 2026
Position Value
$280,843,620
+$67,286,230 QoQ
Shares Held
4,829,641
+1.4% QoQ
Ownership
5.00%
of shares outstanding
% of Portfolio
0.05%
of 13F equity value
Holder Rank
—
not a current holder
Holding Since
Mar 2023
13 quarters on record
Voting authority
Sole 0.ToString("F0")%
Shared 94.73267267691325.ToString("F0")%
None 5.2673273230867474.ToString("F0")%
Common Shares in XENE Over Time
Shares Held
Position Value (USD)
Position in Biotechnology
Healthcare · as of Mar 31, 2026WELLINGTON MANAGEMENT GROUP LLP holds $14,418,547,095 across 180 Biotechnology names. XENE ranks #19 (1.9% of the industry book) .
| # | Ticker | Company | Shares | Value (USD) | Open |
|---|---|---|---|---|---|
| 1 | VRTX |
Vertex Pharmaceuticals Inc / Ma
|
3,212,589 | $1,434,549,489 | |
| 2 | REGN |
Regeneron Pharmaceuticals, Inc.
|
1,837,459 | $1,419,694,318 | |
| 3 | ARGX |
Argenx SE
|
1,021,457 | $745,918,971 | |
| 4 | ALNY |
Alnylam Pharmaceuticals, Inc.
|
1,935,925 | $640,539,501 | |
| 5 | RVMD |
Revolution Medicines, Inc.
|
6,027,819 | $586,205,394 | |
| 6 | CYTK |
Cytokinetics Inc
|
8,009,489 | $527,905,416 | |
| 7 | IONS |
Ionis Pharmaceuticals Inc
|
6,391,816 | $479,961,458 | |
| 8 | ASND |
Ascendis Pharma A/S
|
1,757,633 | $402,023,391 |
All Filings in XENE
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13 filing rows on record
| Report Date | Value (USD) | Shares | Type | Discretion | Filed | |
|---|---|---|---|---|---|---|
| 2026-03-31 | $280,843,620 | 4,829,641 | Shares | Defined | 2026-05-15 | |
| 2025-12-31 | $213,557,390 | 4,764,779 | Shares | Defined | 2026-02-17 | |
| 2025-09-30 | $144,935,755 | 3,609,857 | Shares | Defined | 2025-11-14 | |
| 2025-06-30 | $68,070,017 | 2,174,761 | Shares | Defined | 2025-08-14 | |
| 2025-03-31 | $127,127,557 | 3,789,197 | Shares | Defined | 2025-05-13 | |
| 2024-12-31 | $148,082,349 | 3,777,611 | Shares | Defined | 2025-02-12 | |
| 2024-09-30 | $151,316,505 | 3,843,447 | Shares | Defined | 2024-11-14 | |
| 2024-06-30 | $149,262,336 | 3,828,221 | Shares | Defined | 2024-08-14 | |
| 2024-03-31 | $168,844,596 | 3,922,058 | Shares | Defined | 2024-05-15 | |
| 2023-12-31 | $191,731,840 | 4,162,654 | Shares | Defined | 2024-02-12 | |
| 2023-09-30 | $59,032,167 | 1,728,108 | Shares | Defined | 2023-11-14 | |
| 2023-06-30 | $40,465,463 | 1,051,051 | Shares | Defined | 2023-08-14 | |
| 2023-03-31 | $8,855,768 | 247,437 | Shares | Defined | 2023-05-12 | |
| No filing history on record for this holder in this stock. | ||||||