Costello Asset Management, INC
Position in ARWR — Arrowhead Pharmaceuticals, Inc.
CIK 1760145
FEASTERVILLE, PA
Position in ARWR
as of Mar 31, 2026
· filed Apr 30, 2026
Position Value
$25,080
-$1,476 QoQ
Shares Held
400
0.0% QoQ
Ownership
0.000%
of shares outstanding
% of Portfolio
0.01%
of 13F equity value
Holder Rank
—
not a current holder
Holding Since
Jun 2020
24 quarters on record
Voting authority
Sole 0.ToString("F0")%
Shared 0.ToString("F0")%
None 100.ToString("F0")%
Common Shares in ARWR Over Time
Shares Held
Position Value (USD)
Position in Biotechnology
Healthcare · as of Mar 31, 2026Costello Asset Management, INC holds $593,726 across 18 Biotechnology names. ARWR ranks #7 (4.2% of the industry book) .
| # | Ticker | Company | Shares | Value (USD) | Open |
|---|---|---|---|---|---|
| 1 | VRTX |
Vertex Pharmaceuticals Inc / Ma
|
589 | $263,012 | |
| 2 | BNTX |
BioNTech SE
|
1,000 | $88,880 | |
| 3 | MRNA |
Moderna, Inc.
|
900 | $45,720 | |
| 4 | REGN |
Regeneron Pharmaceuticals, Inc.
|
43 | $33,223 | |
| 5 | EXEL |
Exelixis, Inc.
|
750 | $32,167 | |
| 6 | CRSP |
CRISPR Therapeutics AG
|
600 | $28,542 | |
| 7 | ARWR |
Arrowhead Pharmaceuticals, Inc.
This page
|
400 | $25,080 | |
| 8 | XOMA |
XOMA Royalty Corp
|
600 | $18,822 |
All Filings in ARWR
Export CSV
24 filing rows on record
| Report Date | Value (USD) | Shares | Type | Discretion | Filed | |
|---|---|---|---|---|---|---|
| 2026-03-31 | $25,080 | 400 | Shares | Sole | 2026-04-30 | |
| 2025-12-31 | $26,556 | 400 | Shares | Sole | 2026-02-03 | |
| 2025-09-30 | $32,420 | 940 | Shares | Sole | 2025-11-06 | |
| 2025-06-30 | $14,852 | 940 | Shares | Sole | 2025-07-24 | |
| 2025-03-31 | $12,612 | 990 | Shares | Sole | 2025-05-09 | |
| 2024-12-31 | $18,612 | 990 | Shares | Sole | 2025-01-24 | |
| 2024-09-30 | $19,176 | 990 | Shares | Sole | 2024-11-01 | |
| 2024-06-30 | $25,730 | 990 | Shares | Sole | 2024-08-01 | |
| 2024-03-31 | $28,314 | 990 | Shares | Sole | 2024-04-24 | |
| 2023-12-31 | $30,294 | 990 | Shares | Sole | 2024-01-29 | |
| 2023-09-30 | $26,601 | 990 | Shares | Sole | 2023-11-08 | |
| 2023-06-30 | $35,303 | 990 | Shares | Sole | 2023-07-28 | |
| 2023-03-31 | $25,146 | 990 | Shares | Sole | 2023-05-05 | |
| 2022-12-31 | $40,154 | 990 | Shares | Sole | 2023-02-02 | |
| 2022-09-30 | $32,719 | 990 | Shares | Sole | 2022-11-03 | |
| 2022-06-30 | $34,857 | 990 | Shares | Sole | 2022-07-22 | |
| 2022-03-31 | $45,530 | 990 | Shares | Sole | 2022-04-26 | |
| 2021-12-31 | $65,637 | 990 | Shares | Sole | 2022-01-28 | |
| 2021-09-30 | $49,944 | 800 | Shares | Sole | 2021-10-29 | |
| 2021-06-30 | $66,256 | 800 | Shares | Sole | 2021-08-05 | |
| 2021-03-31 | $53,048 | 800 | Shares | Sole | 2021-05-03 | |
| 2020-12-31 | $61,384 | 800 | Shares | Sole | 2021-02-05 | |
| 2020-09-30 | $21,530 | 500 | Shares | Sole | 2020-11-04 | |
| 2020-06-30 | $15,116 | 350 | Shares | Sole | 2020-07-28 | |
| No filing history on record for this holder in this stock. | ||||||