Position in ARWR
as of Jun 30, 2026
· filed Jul 31, 2026
Position Value
$1,680,083
+$714,755 QoQ
Shares Held
20,612
+33.9% QoQ
Ownership
0.015%
of shares outstanding
% of Portfolio
0.01%
of 13F equity value
Holder Rank
#209
of 497 holders
Holding Since
Dec 2020
5 quarters on record
Voting authority
Sole 98%
Shared 0%
None 2%
Common Shares in ARWR Over Time
Shares Held
Position Value (USD)
Position in Biotechnology
Healthcare · as of Jun 30, 2026Calamos Advisors LLC holds $119,502,354 across 21 Biotechnology names. ARWR ranks #11 (1.4% of the industry book) .
| # | Ticker | Company | Shares | Value (USD) | Open |
|---|---|---|---|---|---|
| 1 | VRTX |
Vertex Pharmaceuticals Inc / Ma
|
75,388 | $37,447,481 | |
| 2 | RPRX |
Royalty Pharma plc
|
573,521 | $32,157,322 | |
| 3 | REGN |
Regeneron Pharmaceuticals, Inc.
|
11,578 | $7,219,346 | |
| 4 | LGND |
Ligand Pharmaceuticals Inc
|
22,435 | $7,091,478 | |
| 5 | TVTX |
Travere Therapeutics, Inc.
|
121,755 | $6,916,901 | |
| 6 | CYTK |
Cytokinetics Inc
|
51,443 | $4,382,428 | |
| 7 | RVMD |
Revolution Medicines, Inc.
|
19,711 | $3,691,476 | |
| 8 | AXSM |
Axsome Therapeutics, Inc.
|
14,699 | $3,597,874 |
All Filings in ARWR
Export CSV
5 filing rows on record
| Report Date | Value (USD) | Shares | Type | Discretion | Filed | |
|---|---|---|---|---|---|---|
| 2026-06-30 | $1,680,083 | 20,612 | Shares | Other | 2026-07-31 | |
| 2026-03-31 | $965,328 | 15,396 | Shares | Sole | 2026-05-04 | |
| 2021-12-31 | $1,960,556 | 29,571 | Shares | Sole | 2022-02-01 | |
| 2021-03-31 | $1,806,879 | 27,249 | Shares | Sole | 2021-04-12 | |
| 2020-12-31 | $3,412,104 | 44,469 | Shares | Other | 2021-01-27 | |
| No filing history on record for this holder in this stock. | ||||||