Position in ZLAB
as of Mar 31, 2026
· filed May 15, 2026
Position Value
$5,485,729
-$5,150,379 QoQ
Shares Held
291,639
-51.6% QoQ
Ownership
0.020%
of shares outstanding
% of Portfolio
0.00%
of 13F equity value
Holder Rank
—
not a current holder
Holding Since
Mar 2020
25 quarters on record
Voting authority
Sole 100%
Shared 0%
None 0%
Common Shares in ZLAB Over Time
Shares Held
Position Value (USD)
Position in Biotechnology
Healthcare · as of Mar 31, 2026PRICE T ROWE ASSOCIATES INC /MD/ holds $14,301,022,166 across 256 Biotechnology names. ZLAB ranks #115 (0.0% of the industry book) .
| # | Ticker | Company | Shares | Value (USD) | Open |
|---|---|---|---|---|---|
| 1 | ARGX |
Argenx SE
|
3,374,955 | $2,464,560,888 | |
| 2 | REGN |
Regeneron Pharmaceuticals, Inc.
|
2,177,527 | $1,682,444,460 | |
| 3 | VRTX |
Vertex Pharmaceuticals Inc / Ma
|
1,760,122 | $785,964,877 | |
| 4 | INSM |
INSMED Inc
|
3,092,807 | $505,735,799 | |
| 5 | KYMR |
Kymera Therapeutics, Inc.
|
6,060,847 | $504,807,946 | |
| 6 | ALNY |
Alnylam Pharmaceuticals, Inc.
|
1,432,748 | $474,053,330 | |
| 7 | ASND |
Ascendis Pharma A/S
|
1,530,345 | $350,035,811 | |
| 8 | RVMD |
Revolution Medicines, Inc.
|
3,232,213 | $314,332,713 |
All Filings in ZLAB
Export CSV
25 filing rows on record
| Report Date | Value (USD) | Shares | Type | Discretion | Filed | |
|---|---|---|---|---|---|---|
| 2026-03-31 | $5,485,729 | 291,639 | Shares | Sole | 2026-05-15 | |
| 2025-12-31 | $10,636,108 | 602,954 | Shares | Sole | 2026-02-17 | |
| 2025-09-30 | $32,150,460 | 948,671 | Shares | Sole | 2025-11-14 | |
| 2025-06-30 | $5,351,703 | 153,037 | Shares | Sole | 2025-08-14 | |
| 2025-03-31 | $81,973,325 | 2,268,216 | Shares | Sole | 2025-05-14 | |
| 2024-12-31 | $61,651,913 | 2,354,025 | Shares | Sole | 2025-02-14 | |
| 2024-09-30 | $43,588,318 | 1,805,647 | Shares | Sole | 2024-11-14 | |
| 2024-06-30 | $28,731,666 | 1,657,915 | Shares | Defined | 2024-08-14 | |
| 2024-03-31 | $26,445,607 | 1,650,787 | Shares | Sole | 2024-05-15 | |
| 2023-12-31 | $73,912,754 | 2,704,455 | Shares | Sole | 2024-02-16 | |
| 2023-09-30 | $66,040,400 | 2,716,594 | Shares | Sole | 2023-11-14 | |
| 2023-06-30 | $72,794,438 | 2,625,115 | Shares | Sole | 2023-08-14 | |
| 2023-03-31 | $80,135,745 | 2,409,373 | Shares | Sole | 2023-05-15 | |
| 2022-12-31 | $45,628,335 | 1,486,265 | Shares | Sole | 2023-02-14 | |
| 2022-09-30 | $54,982,690 | 1,607,681 | Shares | Sole | 2022-11-14 | |
| 2022-06-30 | $50,855,098 | 1,466,410 | Shares | Sole | 2022-08-15 | |
| 2022-03-31 | $66,850,347 | 1,520,017 | Shares | Sole | 2022-05-16 | |
| 2021-12-31 | $86,416,487 | 1,374,964 | Shares | Sole | 2022-02-14 | |
| 2021-09-30 | $144,043,574 | 1,366,767 | Shares | Sole | 2021-11-15 | |
| 2021-06-30 | $195,391,119 | 1,103,967 | Shares | Sole | 2021-08-16 | |
| 2021-03-31 | $141,655,692 | 1,061,648 | Shares | Sole | 2021-05-17 | |
| 2020-12-31 | $123,000,916 | 908,829 | Shares | Sole | 2021-02-16 | |
| 2020-09-30 | $56,273,154 | 676,604 | Shares | Sole | 2020-11-16 | |
| 2020-06-30 | $40,267,271 | 490,287 | Shares | Sole | 2020-08-14 | |
| 2020-03-31 | $21,192,926 | 411,673 | Shares | Sole | 2020-05-15 | |
| No filing history on record for this holder in this stock. | ||||||