Position in VRTX
as of Mar 31, 2026
· filed May 4, 2026
Position Value
$34,779,214
+$14,845,429 QoQ
Shares Held
77,886
+77.1% QoQ
Ownership
0.031%
of shares outstanding
% of Portfolio
0.20%
of 13F equity value
Holder Rank
—
not a current holder
Holding Since
Mar 2020
25 quarters on record
Voting authority
Sole 98.98826489998203.ToString("F0")%
Shared 0.ToString("F0")%
None 1.011735100017975.ToString("F0")%
Common Shares in VRTX Over Time
Shares Held
Position Value (USD)
Position in Biotechnology
Healthcare · as of Mar 31, 2026Calamos Advisors LLC holds $103,200,124 across 23 Biotechnology names. VRTX ranks #1 (33.7% of the industry book) .
| # | Ticker | Company | Shares | Value (USD) | Open |
|---|---|---|---|---|---|
| 1 | VRTX |
Vertex Pharmaceuticals Inc / Ma
This page
|
77,886 | $34,779,214 | |
| 2 | RPRX |
Royalty Pharma plc
|
437,090 | $20,967,207 | |
| 3 | REGN |
Regeneron Pharmaceuticals, Inc.
|
11,793 | $9,111,743 | |
| 4 | INSM |
INSMED Inc
|
36,373 | $5,947,712 | |
| 5 | HALO |
Halozyme Therapeutics, Inc.
|
73,600 | $4,756,768 | |
| 6 | LGND |
Ligand Pharmaceuticals Inc
|
20,860 | $4,164,698 | |
| 7 | ASND |
Ascendis Pharma A/S
|
15,390 | $3,520,154 | |
| 8 | TARS |
Tarsus Pharmaceuticals, Inc.
|
43,832 | $3,074,814 |
All Filings in VRTX
Export CSV
25 filing rows on record
| Report Date | Value (USD) | Shares | Type | Discretion | Filed | |
|---|---|---|---|---|---|---|
| 2026-03-31 | $34,779,214 | 77,886 | Shares | Sole | 2026-05-04 | |
| 2025-12-31 | $19,933,785 | 43,969 | Shares | Sole | 2026-01-29 | |
| 2025-09-30 | $17,918,704 | 45,753 | Shares | Sole | 2025-10-20 | |
| 2025-06-30 | $20,369,235 | 45,753 | Shares | Sole | 2025-08-08 | |
| 2025-03-31 | $22,181,969 | 45,753 | Shares | Sole | 2025-04-29 | |
| 2024-12-31 | $18,219,758 | 45,244 | Shares | Sole | 2025-01-24 | |
| 2024-09-30 | $21,042,079 | 45,244 | Shares | Sole | 2024-11-07 | |
| 2024-06-30 | $21,764,075 | 46,433 | Shares | Sole | 2024-07-25 | |
| 2024-03-31 | $20,116,313 | 48,124 | Shares | Sole | 2024-05-08 | |
| 2023-12-31 | $28,145,395 | 69,172 | Shares | Sole | 2024-01-31 | |
| 2023-09-30 | $24,374,835 | 70,095 | Shares | Sole | 2023-10-26 | |
| 2023-06-30 | $24,667,131 | 70,095 | Shares | Sole | 2023-07-28 | |
| 2023-03-31 | $25,700,890 | 81,572 | Shares | Sole | 2023-05-04 | |
| 2022-12-31 | $26,497,586 | 91,757 | Shares | Sole | 2023-01-26 | |
| 2022-09-30 | $31,249,473 | 107,928 | Shares | Sole | 2022-10-24 | |
| 2022-06-30 | $30,402,604 | 107,891 | Shares | Sole | 2022-08-01 | |
| 2022-03-31 | $27,398,457 | 104,987 | Shares | Sole | 2022-05-03 | |
| 2021-12-31 | $20,016,540 | 91,150 | Shares | Sole | 2022-02-01 | |
| 2021-09-30 | $20,126,490 | 110,957 | Shares | Sole | 2021-10-26 | |
| 2021-06-30 | $25,809,244 | 128,003 | Shares | Sole | 2021-07-22 | |
| 2021-03-31 | $42,820,915 | 199,269 | Shares | Sole | 2021-04-12 | |
| 2020-12-31 | $33,578,950 | 142,079 | Shares | Sole | 2021-01-27 | |
| 2020-09-30 | $39,771,698 | 146,155 | Shares | Sole | 2020-10-26 | |
| 2020-06-30 | $49,917,062 | 171,944 | Shares | Sole | 2020-07-27 | |
| 2020-03-31 | $27,282,395 | 114,656 | Shares | Sole | 2020-04-28 | |
| No filing history on record for this holder in this stock. | ||||||