Position in XLO
as of Mar 31, 2026
· filed May 15, 2026
Position Value
$307,452
-$20,112 QoQ
Shares Held
36,558
-92.9% QoQ
Ownership
0.632%
of shares outstanding
% of Portfolio
0.00%
of 13F equity value
Holder Rank
—
not a current holder
Holding Since
Dec 2021
18 quarters on record
Voting authority
Sole 100%
Shared 0%
None 0%
Common Shares in XLO Over Time
Shares Held
Position Value (USD)
Position in Biotechnology
Healthcare · as of Mar 31, 2026FMR LLC holds $49,690,752,415 across 354 Biotechnology names. XLO ranks #224 (0.0% of the industry book) .
| # | Ticker | Company | Shares | Value (USD) | Open |
|---|---|---|---|---|---|
| 1 | ALNY |
Alnylam Pharmaceuticals, Inc.
|
14,579,166 | $4,823,808,652 | |
| 2 | ARGX |
Argenx SE
|
4,991,034 | $3,644,702,577 | |
| 3 | MRNA |
Moderna, Inc.
|
45,672,024 | $2,320,138,818 | |
| 4 | ROIV |
Roivant Sciences Ltd.
|
77,981,253 | $2,160,080,705 | |
| 5 | INSM |
INSMED Inc
|
13,160,167 | $2,151,950,504 | |
| 6 | IONS |
Ionis Pharmaceuticals Inc
|
24,556,637 | $1,843,957,869 | |
| 7 | RPRX |
Royalty Pharma plc
|
25,152,242 | $1,206,553,046 | |
| 8 | REGN |
Regeneron Pharmaceuticals, Inc.
|
1,518,192 | $1,173,015,865 |
All Filings in XLO
Export CSV
18 filing rows on record
| Report Date | Value (USD) | Shares | Type | Discretion | Filed | |
|---|---|---|---|---|---|---|
| 2026-03-31 | $307,452 | 36,558 | Shares | Defined | 2026-05-15 | |
| 2025-12-31 | $327,564 | 511,820 | Shares | Defined | 2026-02-17 | |
| 2025-09-30 | $431,464 | 511,820 | Shares | Defined | 2025-11-13 | |
| 2025-06-30 | $348,037 | 511,820 | Shares | Defined | 2025-08-14 | |
| 2025-03-31 | $640,041 | 884,035 | Shares | Defined | 2025-05-12 | |
| 2024-12-31 | $1,333,039 | 1,395,853 | Shares | Defined | 2025-02-13 | |
| 2024-09-30 | $1,099,932 | 1,395,853 | Shares | Defined | 2024-11-13 | |
| 2024-06-30 | $1,323,268 | 1,395,853 | Shares | Defined | 2024-08-13 | |
| 2024-03-31 | $2,060,284 | 1,907,671 | Shares | Defined | 2024-05-13 | |
| 2023-12-31 | $1,049,219 | 1,907,671 | Shares | Defined | 2024-02-13 | |
| 2023-09-30 | $4,025,185 | 1,907,671 | Shares | Defined | 2023-11-13 | |
| 2023-06-30 | $4,998,098 | 1,907,671 | Shares | Defined | 2023-08-11 | |
| 2023-03-31 | $6,047,317 | 1,907,671 | Shares | Defined | 2023-08-11 | |
| 2022-12-31 | $5,131,634 | 1,907,671 | Shares | Defined | 2023-02-13 | |
| 2022-09-30 | $6,459,506 | 2,219,762 | Shares | Defined | 2022-11-10 | |
| 2022-06-30 | $7,362,292 | 2,521,333 | Shares | Defined | 2022-08-12 | |
| 2022-03-31 | $18,316,403 | 2,590,722 | Shares | Defined | 2022-05-13 | |
| 2021-12-31 | $41,124,318 | 2,570,270 | Shares | Defined | 2022-02-14 | |
| No filing history on record for this holder in this stock. | ||||||