Position in ALT
as of Jun 30, 2026
· filed Aug 14, 2026
Position Value
$1,277,710
+$513,385 QoQ
Shares Held
420,300
+69.4% QoQ
Ownership
0.216%
of shares outstanding
% of Portfolio
0.00%
of 13F equity value
Holder Rank
#39
of 210 holders
Holding Since
Mar 2024
10 quarters on record
Voting authority
Sole 0%
Shared 70%
None 30%
Common Shares in ALT Over Time
Shares Held
Position Value (USD)
Position in Biotechnology
Healthcare · as of Jun 30, 2026WELLINGTON MANAGEMENT GROUP LLP holds $15,052,705,482 across 207 Biotechnology names. ALT ranks #143 (0.0% of the industry book) .
| # | Ticker | Company | Shares | Value (USD) | Open |
|---|---|---|---|---|---|
| 1 | VRTX |
Vertex Pharmaceuticals Inc / Ma
|
3,247,658 | $1,613,209,155 | |
| 2 | ARGX |
Argenx SE
|
930,548 | $863,334,513 | |
| 3 | REGN |
Regeneron Pharmaceuticals, Inc.
|
1,270,087 | $791,950,042 | |
| 4 | RVMD |
Revolution Medicines, Inc.
|
3,843,415 | $719,794,757 | |
| 5 | ALNY |
Alnylam Pharmaceuticals, Inc.
|
2,110,407 | $635,295,816 | |
| 6 | IONS |
Ionis Pharmaceuticals Inc
|
7,651,415 | $606,680,693 | |
| 7 | CYTK |
Cytokinetics Inc
|
6,931,770 | $590,517,483 | |
| 8 | MDGL |
Madrigal Pharmaceuticals, Inc.
|
825,714 | $443,367,129 |
All Filings in ALT
Export CSV
10 filing rows on record
| Report Date | Value (USD) | Shares | Type | Discretion | Filed | |
|---|---|---|---|---|---|---|
| 2026-06-30 | $1,277,710 | 420,300 | Shares | Defined | 2026-08-14 | |
| 2026-03-31 | $764,325 | 248,158 | Shares | Defined | 2026-05-15 | |
| 2025-12-31 | $928,747 | 257,271 | Shares | Defined | 2026-02-17 | |
| 2025-09-30 | $998,302 | 264,802 | Shares | Defined | 2025-11-14 | |
| 2025-06-30 | $974,720 | 251,866 | Shares | Defined | 2025-08-14 | |
| 2025-03-31 | $1,124,770 | 224,954 | Shares | Defined | 2025-05-13 | |
| 2024-12-31 | $1,479,729 | 205,233 | Shares | Defined | 2025-02-12 | |
| 2024-09-30 | $1,211,004 | 197,232 | Shares | Defined | 2024-11-14 | |
| 2024-06-30 | $1,028,615 | 154,679 | Shares | Defined | 2024-08-14 | |
| 2024-03-31 | $1,597,384 | 156,914 | Shares | Defined | 2024-05-15 | |
| No filing history on record for this holder in this stock. | ||||||