Position in BBIO
as of Mar 31, 2026
· filed May 15, 2026
Position Value
$184,458,345
+$4,803,915 QoQ
Shares Held
2,483,953
+5.8% QoQ
Ownership
1.27%
of shares outstanding
% of Portfolio
0.04%
of 13F equity value
Holder Rank
—
not a current holder
Holding Since
Sep 2023
11 quarters on record
Voting authority
Sole 0%
Shared 84%
None 16%
Common Shares in BBIO 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. BBIO ranks #26 (1.3% 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 BBIO
Export CSV
11 filing rows on record
| Report Date | Value (USD) | Shares | Type | Discretion | Filed | |
|---|---|---|---|---|---|---|
| 2026-03-31 | $184,458,345 | 2,483,953 | Shares | Defined | 2026-05-15 | |
| 2025-12-31 | $179,654,430 | 2,348,731 | Shares | Defined | 2026-02-17 | |
| 2025-09-30 | $52,936,934 | 1,019,194 | Shares | Defined | 2025-11-14 | |
| 2025-06-30 | $2,446,965 | 56,669 | Shares | Defined | 2025-08-14 | |
| 2025-03-31 | $2,074,579 | 60,011 | Shares | Defined | 2025-05-13 | |
| 2024-12-31 | $1,778,303 | 64,807 | Shares | Defined | 2025-02-12 | |
| 2024-09-30 | $1,771,656 | 69,586 | Shares | Defined | 2024-11-14 | |
| 2024-06-30 | $37,237,884 | 1,470,110 | Shares | Defined | 2024-08-14 | |
| 2024-03-31 | $47,675,081 | 1,541,885 | Shares | Defined | 2024-05-15 | |
| 2023-12-31 | $60,357,750 | 1,495,114 | Shares | Defined | 2024-02-12 | |
| 2023-09-30 | $37,433,531 | 1,419,550 | Shares | Defined | 2023-11-14 | |
| No filing history on record for this holder in this stock. | ||||||