Position in ASND
as of Mar 31, 2026
· filed May 11, 2026
Position Value
$1,100,978,131
-$4,819,684 QoQ
Shares Held
4,813,440
-7.2% QoQ
Ownership
7.34%
of shares outstanding
% of Portfolio
4.63%
of 13F equity value
Holder Rank
—
not a current holder
Holding Since
Mar 2020
25 quarters on record
Voting authority
Sole 83.78064336524398.ToString("F0")%
Shared 0.ToString("F0")%
None 16.219356634756014.ToString("F0")%
Common Shares in ASND Over Time
Shares Held
Position Value (USD)
Position in Biotechnology
Healthcare · as of Mar 31, 2026WESTFIELD CAPITAL MANAGEMENT CO LP holds $2,468,245,086 across 19 Biotechnology names. ASND ranks #1 (44.6% of the industry book) .
| # | Ticker | Company | Shares | Value (USD) | Open |
|---|---|---|---|---|---|
| 1 | ASND |
Ascendis Pharma A/S
This page
|
4,813,440 | $1,100,978,131 | |
| 2 | INSM |
INSMED Inc
|
1,468,459 | $240,122,415 | |
| 3 | PCVX |
Vaxcyte, Inc.
|
3,646,138 | $211,877,079 | |
| 4 | RYTM |
Rhythm Pharmaceuticals, Inc.
|
1,929,123 | $167,775,827 | |
| 5 | RVMD |
Revolution Medicines, Inc.
|
1,556,578 | $151,377,210 | |
| 6 | ABVX |
Abivax S.A.
|
1,322,938 | $147,309,146 | |
| 7 | LEGN |
Legend Biotech Corp
|
5,763,475 | $104,261,262 | |
| 8 | XENE |
Xenon Pharmaceuticals Inc.
|
1,401,483 | $81,496,236 |
All Filings in ASND
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26 filing rows on record
| Report Date | Value (USD) | Shares | Type | Discretion | Filed | |
|---|---|---|---|---|---|---|
| 2026-03-31 | $1,100,978,131 | 4,813,440 | Shares | Sole | 2026-05-11 | |
| 2025-12-31 | $1,105,797,815 | 5,185,696 | Shares | Sole | 2026-02-11 | |
| 2025-09-30 | $1,045,722,508 | 5,259,909 | Shares | Sole | 2025-11-12 | |
| 2025-06-30 | $940,911,812 | 5,451,401 | Shares | Sole | 2025-08-12 | |
| 2025-03-31 | $853,997,307 | 5,479,259 | Shares | Sole | 2025-05-09 | |
| 2024-12-31 | $761,072,663 | 5,528,239 | Shares | Sole | 2025-02-11 | |
| 2024-12-31 | $761,072,663 | 5,528,239 | Shares | Sole | 2025-02-11 | |
| 2024-09-30 | $766,522,601 | 5,133,766 | Shares | Sole | 2024-11-12 | |
| 2024-06-30 | $676,829,937 | 4,962,824 | Shares | Sole | 2024-08-14 | |
| 2024-03-31 | $616,050,100 | 4,075,214 | Shares | Sole | 2024-05-10 | |
| 2023-12-31 | $507,658,352 | 4,030,634 | Shares | Sole | 2024-02-09 | |
| 2023-09-30 | $356,035,854 | 3,802,177 | Shares | Sole | 2023-11-13 | |
| 2023-06-30 | $324,130,296 | 3,631,712 | Shares | Sole | 2023-08-11 | |
| 2023-03-31 | $337,327,629 | 3,146,126 | Shares | Sole | 2023-05-12 | |
| 2022-12-31 | $385,707,057 | 3,158,168 | Shares | Sole | 2023-02-13 | |
| 2022-09-30 | $300,561,360 | 2,910,724 | Shares | Sole | 2022-11-14 | |
| 2022-06-30 | $259,201,204 | 2,788,309 | Shares | Sole | 2022-08-12 | |
| 2022-03-31 | $309,246,768 | 2,635,027 | Shares | Sole | 2022-05-16 | |
| 2021-12-31 | $355,284,851 | 2,640,934 | Shares | Sole | 2022-02-10 | |
| 2021-09-30 | $336,550,869 | 2,111,493 | Shares | Sole | 2021-11-12 | |
| 2021-06-30 | $265,195,196 | 2,015,927 | Shares | Sole | 2021-08-10 | |
| 2021-03-31 | $240,708,273 | 1,867,693 | Shares | Sole | 2021-05-14 | |
| 2020-12-31 | $288,509,553 | 1,729,881 | Shares | Sole | 2021-02-12 | |
| 2020-09-30 | $276,197,923 | 1,789,774 | Shares | Sole | 2020-11-13 | |
| 2020-06-30 | $212,778,553 | 1,438,665 | Shares | Sole | 2020-08-13 | |
| 2020-03-31 | $153,525,942 | 1,363,342 | Shares | Sole | 2020-05-14 | |
| No filing history on record for this holder in this stock. | ||||||