ARROWHEAD PHARMACEUTICALS IN ARWR 0 01.15.32
NOTE 1/1 · GLOBAL · CUSIP 04280AAC4
52
institutional holders
+1 vs Q1 2026
5.5m
shares reported held*
$758.2mreported value*
14 new
17 added
14 reduced
13 sold out
net bought ≈ $30.8m (-5.5m shares)
* Summed across managers. Shares that two managers' reports both contain – a subsidiary's holdings that its parent's report includes too, or a sub-adviser's in its client's – are counted once. Holder counts are more reliable. Implied quarter-end price ≈ $137.44.
Trends to Q2 2026
Institutional holders
Managers reporting a position, each quarter
Numbers
| Quarter | Holders |
|---|---|
| Q1 2026 | 51 |
| Q2 2026 | 52 |
Biggest buyers
| UBS AM, a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC | New | +29.0m |
| DeepCurrents Investment Group LLC | New | +19.0m |
| CAMDEN ASSET MANAGEMENT L P /CA | Added | +18.8m |
| ADVENT CAPITAL MANAGEMENT /DE/ | New | +17.8m |
| MacKay Shields LLC | Added | +17.5m |
| LAZARD ASSET MANAGEMENT LLC | Added | +16.1m |
| DZ BANK AG Deutsche Zentral Genossenschafts Bank, Frankfurt am Main | Added | +11.2m |
| Balyasny Asset Management L.P. | New | +8.5m |
| Lombard Odier Asset Management (Europe) Ltd | New | +8.5m |
| LORD, ABBETT & CO. LLC | New | +7.3m |
Biggest sellers
| Linden Advisors LP | Reduced | -57.5m |
| Jump Financial, LLC | Sold out | -18.7m |
| BNP PARIBAS FINANCIAL MARKETS | Reduced | -12.6m |
| Polar Asset Management Partners Inc. | Sold out | -10.0m |
| Point72 Asset Management, L.P. | Sold out | -7.8m |
| SSI INVESTMENT MANAGEMENT LLC | Sold out | -6.6m |
| JPMORGAN CHASE & CO | Sold out | -6.5m |
| VOYA INVESTMENT MANAGEMENT LLC | Sold out | -5.3m |
| UBS Group AG | Reduced | -4.0m |
| CITIGROUP INC | Reduced | -3.5m |
Holders, Q2 2026
| Manager | Shares | Change |
|---|---|---|
| DEERFIELD MANAGEMENT COMPANY, L.P. 2.51% of their portfolio | 200.0m $240.5m | Unchanged |
| CAMDEN ASSET MANAGEMENT L P /CA 2.23% of their portfolio | 64.3m $76.7m | Added +18.8m |
| LMR Partners LLP 0.35% of their portfolio | 40.0m $47.8m | Added +5.0m |
| Linden Advisors LP 0.22% of their portfolio | 34.9m $41.8m | Reduced -57.5m |
| UBS AM, a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC 0.01% of their portfolio | 29.0m $34.6m | New |
| READYSTATE ASSET MANAGEMENT LP 1.22% of their portfolio | 25.0m $29.9m | Unchanged |
| LAZARD ASSET MANAGEMENT LLC 0.00% of their portfolio | 24.9m $298.1k | Added +16.1m |
| Calamos Advisors LLC 0.10% of their portfolio | 22.2m $26.8m | Reduced -540.0k |
| MacKay Shields LLC 0.82% of their portfolio | 20.5m $24.5m | Added +17.5m |
| DeepCurrents Investment Group LLC 0.78% of their portfolio | 19.0m $22.8m | New |
| STATE STREET CORP 0.00% of their portfolio | 18.4m $22.1m | Added +4.8m |
| Context Capital Management, LLC 0.44% of their portfolio | 18.4m $22.0m | Added +3.5m |
| ADVENT CAPITAL MANAGEMENT /DE/ 0.49% of their portfolio | 17.8m $21.4m | New |
| DZ BANK AG Deutsche Zentral Genossenschafts Bank, Frankfurt am Main 0.01% of their portfolio | 12.2m $14.6m | Added +11.2m |
| OAKTREE CAPITAL MANAGEMENT LP 0.21% of their portfolio | 9.1m $11.0m | Reduced -1.9m |
| Balyasny Asset Management L.P. 0.02% of their portfolio | 8.5m $10.2m | New |
| Lombard Odier Asset Management (Europe) Ltd 0.43% of their portfolio | 8.5m $10.1m | New |
| LORD, ABBETT & CO. LLC 0.02% of their portfolio | 7.3m $8.7m | New |
| FMR LLC 0.00% of their portfolio | 7.1m $8.5m | Reduced -40.0k |
| CITADEL ADVISORS LLC 0.00% of their portfolio | 7.1m $8.5m | New |
| SSI INVESTMENT MANAGEMENT LLC 0.46% of their portfolio | 6.6m $7.9m | New |
| SHENKMAN CAPITAL MANAGEMENT INC 0.98% of their portfolio | 5.8m $7.0m | Reduced -3.0m |
| Weiss Asset Management LP 0.07% of their portfolio | 5.0m $6.0m | Not comparable |
| STATE OF WISCONSIN INVESTMENT BOARD 0.01% of their portfolio | 4.0m $4.8m | Added +1.0m |
| MORGAN STANLEY 0.00% of their portfolio | 3.8m $4.5m | Added +3.1m |
| MILLENNIUM MANAGEMENT LLC 0.00% of their portfolio | 3.1m $3.8m | Reduced -250.0k |
| Amundi 0.00% of their portfolio | 3.1m $3.7m | Unchanged |
| TORONTO DOMINION BANK 0.01% of their portfolio | 3.1m $3.7m | Added +2.1m |
| BANK OF AMERICA CORP /DE/ 0.00% of their portfolio | 2.7m $3.2m | Added +2.2m |
| AGF MANAGEMENT LTD 0.01% of their portfolio | 2.2m $2.7m | Added +1.0m |
| Invesco Ltd. 0.00% of their portfolio | 2.0m $2.4m | Reduced -1.2m |
| TENOR CAPITAL MANAGEMENT Co., L.P. 0.03% of their portfolio | 2.0m $2.4m | Unchanged |
| Man Group plc 0.00% of their portfolio | 1.8m $2.1m | Added +855.0k |
| Acasta Partners UK LLP 0.95% of their portfolio | 1.5m $1.8m | Added +1.1m |
| BNP PARIBAS FINANCIAL MARKETS 0.00% of their portfolio | 1.4m $1.7m | Reduced -12.6m |
| RWC Asset Management LLP 0.06% of their portfolio | 1.3m $1.6m | Reduced -72.0k |
| Bank of New York Mellon Corp 0.00% of their portfolio | 1.1m $1.3m | Reduced -100.0k |
| GROUPAMA ASSET MANAGMENT 0.02% of their portfolio | 1.0m $1.2m | Unchanged |
| WELLS FARGO & COMPANY/MN 0.00% of their portfolio | 885.0k $1.1m | Added +25.0k |
| Kohlberg Kravis Roberts & Co. L.P. 0.02% of their portfolio | 800.0k $958.0k | Unchanged |
| Central Pacific Bank - Trust Division 0.04% of their portfolio | 342.0k $408.2k | New |
| SEI INVESTMENTS CO 0.00% of their portfolio | 200.0k $238.7k | Added +168.0k |
| Russell Investments Group, Ltd. 0.00% of their portfolio | 182.0k $219.4k | New |
| UBS Group AG 0.00% of their portfolio | 152.0k $181.4k | Reduced -4.0m |
| OPPENHEIMER ASSET MANAGEMENT INC. 0.00% of their portfolio | 103.0k $123.0k | New |
| Ares Systematic Credit Ltd 0.07% of their portfolio | 100.0k $119.7k | Reduced -900.0k |
| Calamos Wealth Management LLC 0.00% of their portfolio | 87.0k $104.9k | New |
| LOOMIS SAYLES & CO L P 0.01% of their portfolio | 65.6k $5.3m | Reduced -106.5k |
| STEPHENS INC /AR/ 0.00% of their portfolio | 33.0k $39.4k | New |
| SG Americas Securities, LLC 0.00% of their portfolio | 29.1k $3.5m | Added +22.2k |
| ADAR1 Capital Management, LLC 0.06% of their portfolio | 10.0k $1.2m | New |
| CITIGROUP INC 0.00% of their portfolio | 6.0k $7.2k | Reduced -3.5m |