WELLINGTON MANAGEMENT GROUP LLP
Position in NAMS — NewAmsterdam Pharma Co N.V.
CIK 902219
Boston, MA
Position in NAMS
as of Jun 30, 2026
· filed Aug 14, 2026
Position Value
$7,413,403
-$156,343,929 QoQ
Shares Held
218,749
-95.7% QoQ
Ownership
0.183%
of shares outstanding
% of Portfolio
0.00%
of 13F equity value
Holder Rank
#55
of 197 holders
Holding Since
Mar 2024
10 quarters on record
Voting authority
Sole 0%
Shared 100%
None 0%
Common Shares in NAMS Over Time
Shares Held
Position Value (USD)
Position in Biotechnology
Healthcare · as of Jun 30, 2026WELLINGTON MANAGEMENT GROUP LLP holds $14,994,233,945 across 206 Biotechnology names. NAMS ranks #81 (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 NAMS
Export CSV
10 filing rows on record
| Report Date | Value (USD) | Shares | Type | Discretion | Filed | |
|---|---|---|---|---|---|---|
| 2026-06-30 | $7,413,403 | 218,749 | Shares | Defined | 2026-08-14 | |
| 2026-03-31 | $163,757,332 | 5,115,818 | Shares | Defined | 2026-05-15 | |
| 2025-12-31 | $176,563,776 | 5,033,175 | Shares | Defined | 2026-02-17 | |
| 2025-09-30 | $114,332,382 | 4,020,126 | Shares | Defined | 2025-11-14 | |
| 2025-06-30 | $60,179,474 | 3,322,997 | Shares | Defined | 2025-08-14 | |
| 2025-03-31 | $72,504,226 | 3,541,975 | Shares | Defined | 2025-05-13 | |
| 2024-12-31 | $59,498,659 | 2,315,123 | Shares | Defined | 2025-02-12 | |
| 2024-09-30 | $1,530,901 | 92,223 | Shares | Defined | 2024-11-14 | |
| 2024-06-30 | $1,595,600 | 83,061 | Shares | Defined | 2024-08-14 | |
| 2024-03-31 | $5,157,639 | 218,082 | Shares | Defined | 2024-05-15 | |
| No filing history on record for this holder in this stock. | ||||||