Security key
042797209
- Security type / class
- Equity / COM
- Total 13F shares
- 104,908
- Total 13F value
- $6,577,732
- Share change
- -85
- SEC-reported price per share
- $62.70
- Number of holders
- 1
- Value change
- -$5,330
- Number of sells
- 1
Report period
Q1 2026
Institutions
1
Top holders
1
ARWR full security history
Ownership snapshot
Full 13F holder table
Newer quarter: Q2 2026
Previous quarter: Q4 2025
ARROWHEAD PHARMACEUTICALS, INC. SEC filings
ARROWHEAD PHARMACEUTICALS, INC. company facts
Broader feeds
Reporting periods
Holder history for CUSIP 042797209
Recent filing periods:
Ownership snapshot
Top reported holders of ARWR - Arrowhead Pharma Inc - COM (13F + 13D/G + 3/4/5)
Grouped by holder across the latest SEC ownership disclosures. Start with comparable ownership when available, then verify the linked 13F, 13D/G, or 3/4/5 evidence.
Comparable stake leader
FMR LLC
Disclosed value leader
BlackRock, Inc.
Comparable rows
3/15
Latest evidence
31 Mar 2026
13D/G
13F
3/4/5
Lead comparable stake: 5.2%
12 rows are not safely comparable across share classes.
13D/G row: FMR LLC
Showing 1-6 of 15 holder rows.
Quick read
FMR LLC leads the comparable SEC ownership view at 5.2%.
3 of 15 rows have a safely comparable ownership percentage. Use this as a filing-backed starting point, then open the detailed table for source links, reporting role, position value, share count, and filing date.
Open SEC evidence
Opens FMR LLC's linked filing trail.
Comparable ownership
Top 3
FMR LLC
5.2%
VANGUARD CAPITAL MANAGEMENT LLC
5%
STATE STREET CORP
4.6%
Ownership % is shown only when SEC disclosures are safely comparable across share classes.
Detailed SEC evidence table Showing 1-6 of 15 holder rows
| Holder | Evidence | Ownership % | Position | 12M Net Δ | As of |
|---|---|---|---|---|---|
| FMR LLC |
13D/G
13F
Company
|
5.2%
Reported 13D/G
· 31 Mar 2026
|
$478,720,814
7,349,107 shares
|
$0 | 31 Mar 2026 |
| VANGUARD CAPITAL MANAGEMENT LLC |
13D/G
Vanguard Capital Management
|
5%
Reported 13D/G
· 31 Mar 2026
|
$443,997,071
7,081,293 shares
|
$0 | 31 Mar 2026 |
| STATE STREET CORP |
13F
13D/G
Company · STATE STREET CORPORATION
|
4.6%
Reported 13D/G
· 30 Jun 2025
|
$425,150,274
6,403,830 shares
|
— | 31 Dec 2025 |
| BlackRock, Inc. |
13F
Company
|
—
denominator unverified
|
$1,415,340,659
21,318,582 shares
|
— | 31 Dec 2025 |
| VANGUARD GROUP INC |
13F
Company
|
—
denominator unverified
|
$1,015,310,304
15,293,121 shares
|
— | 31 Dec 2025 |
| Avoro Capital Advisors LLC |
13F
Company
|
—
denominator unverified
|
$705,393,750
10,625,000 shares
|
— | 31 Dec 2025 |
How to read this table
Rows are grouped by holder and ranked first by SEC-reported ownership % when it is safely comparable, then by disclosed holdings value. — indicates unavailable or non-comparable values; "mixed-class rows" means the latest filing spans non-comparable classes.
13F holder rows
Institutional holders as of Q1 2026
Investor-level positions for this CUSIP, loaded as an interactive table.
Institutions
1
Shares
104,908
Rows available
1
| Investor | Option | Weight % | Change % | SEC-reported value | * Price | Shares | Share Change | Activity | Report Period |
|---|
* SEC-reported price is the security price as of the portfolio date and can indicate the last known price at which the security was still held. The marker flags a reported price that did not pass the local price check.
Compare Q1 2026 vs Q4 2025 Across Filers
Q4 2025 holders
1
Q1 2026 holders
1
Holder diff
0
| Investor | Q4 2025 Shares | Q1 2026 Shares | Share Diff | Share Chg % | Q4 2025 value | Q1 2026 value | Value change | Value Chg % |
|---|
Trend: ostatnie 8 kwartałów (+ wybrane okresy porównania).
Quarterly Holders Trend
Quarterly Value Trend
Quarterly Shares Trend