Arrowhead Research Corp

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Arrowhead Research Corp
TickerARWR
CIK #0000879407
CUSIP04280A100
SectorTrade & Services - Services-Commercial Physical & Biological Research
Address201 South Lake Avenue Suite 703, Pasadena, CA 91101
Source [EDGAR]
CIK Filing 2011 - 2024
[0000879407] 10-K
[0000879407] 10-Q
[0000879407] 3
[0000879407] 4
[0000879407] 5
[0000879407] 8-K
[0000879407] D
[0000879407] SC 13D
[0000879407] SC 13G
Form 13D/13G Filer Form 13D/13G Subject Filed % Owned
BlackRock Inc Arrowhead Pharmaceuticals Inc [2023-01-20] 12.0
Vanguard Group Inc Arrowhead Pharmaceuticals Inc [2019-10-10] 11.37
State Street Corp Arrowhead Pharmaceuticals Inc [2019-02-13] 5.5
First Manhattan Co Arrowhead Pharmaceuticals Inc [2019-02-11] 6.33
BlackRock Inc Arrowhead Pharmaceuticals Inc [2019-02-08] 7.8
RTW Investments LP Arrowhead Pharmaceuticals Inc [2018-05-14] 5.02
OppenheimerFunds Inc Arrowhead Pharmaceuticals Inc [2018-02-06] 8.42
Silence Therapeutics PLC Arrowhead Pharmaceuticals Inc [2017-12-01] 6.4
Silence Therapeutics PLC Arrowhead Pharmaceuticals Inc [2017-01-13] 0.21
Novartis AG Arrowhead Research Corp [2016-02-12] 5.57
Integrated Core Strategies US LLC Arrowhead Research Corp [2015-04-07] 3.6
BlackRock Inc Arrowhead Research Corp [2015-02-02] 6.2
Oppenheimer Funds Inc Arrowhead Research Corp [2015-01-26] 5.49
Bridger Management LLC Arrowhead Research Corp [2015-01-23] 5.5
Integrated Core Strategies US LLC Arrowhead Research Corp [2014-04-08] 3.0
FMR LLC Arrowhead Research Corp [2014-03-10] 0.0
Baker Bros Advisors LP Arrowhead Research Corp [2014-02-14] 9.99
OrbiMed Advisors LLC Arrowhead Research Corp [2014-02-13] 1.6
Marxe Austin W & Greenhouse David M Arrowhead Research Corp [2014-02-12] 9.99
QVT Financial LP Arrowhead Research Corp [2013-10-18] 5.64
Ridgeback Capital Investments LP Arrowhead Research Corp [2013-10-16] 5.0
SAC Capital Advisors LP Arrowhead Research Corp [2013-10-15] 3.9
Sabby Management LLC Arrowhead Research Corp [2013-05-13] 6.99
RA Capital Management LLC Arrowhead Research Corp [2013-05-09] 0.9
Camber Capital Management LLC Arrowhead Research Corp [2013-05-09] 9.9
Sabby Management LLC Arrowhead Research Corp [2012-08-16] 6.67
Form 3/4/5 Filer 2011 - 2024
Arrowhead Pharmaceuticals Inc
Given Douglas B
Anzalone Christopher Richard
Olukotun Adeoye Y
Ferrari Mauro
Waddill William D.
De Backer Marianne
Vakiener Victoria
Perry Michael S
O'Brien Patrick
Hamilton James C
Oliver Tracie
San Martin Javier
Myszkowski Kenneth Allen
Hassard James
Bradshaw Curt
Given Bruce D
Li Zhen
Leone Peter Brian
Frykman Edward W
Lewis David L.
McKenney Charles
Form 13F Holdings
Firm Period DFND Voting Shares
BlackRock Inc. [2023-03-31] SOLE 12,588,377.0 12,710,502.0
Vanguard Group Inc [2023-03-31] SOLE 0.0 10,394,827.0
State Street Corp [2023-03-31] DFND 5,665,299.0 5,902,768.0
JPMorgan Chase & Co [2023-03-31] DFND 2,402,720.0 2,909,965.0
Invesco Ltd. [2023-03-31] DFND 0.0 2,180,793.0
Geode Capital Management LLC [2023-03-31] DFND 2,060,087.0 2,078,527.0
Avidity Partners Management LP [2023-03-31] SOLE 1,741,300.0 1,741,300.0
Rokos Capital Management LLP [2023-03-31] OTR 0.0 1,675,921.0
Credit Suisse AG [2023-03-31] DFND 1,357,520.0 1,387,086.0
FMR LLC [2023-03-31] DFND 1,370,637.0 1,373,247.0
Northern Trust Corp [2023-03-31] DFND 77,219.0 1,319,254.0
Charles Schwab Investment Management Inc [2023-03-31] SOLE 1,157,575.0 1,157,575.0
Bank of New York Mellon Corp [2023-03-31] DFND 992,907.0 1,037,957.0
First Manhattan Co LLC [2023-03-31] SOLE 239,846.0 1,025,654.0
Aquilo Capital Management LLC [2023-03-31] SOLE 1,018,474.0 1,018,474.0
Millennium Management LLC [2023-03-31] SOLE 969,394.0 969,394.0
Citadel Advisors LLC [2023-03-31] DFND 948,105.0 948,105.0
Western Financial Corp/CA [2023-03-31] SOLE 820,320.0 820,320.0
Nomura Holdings Inc [2023-03-31] DFND 761,147.0 761,147.0
Goldman Sachs Group Inc [2023-03-31] DFND 697,564.0 712,591.0
Susquehanna International Group LLP [2023-03-31] DFND 443,684.0 655,984.0
Janus Henderson Group PLC [2023-03-31] DFND 0.0 642,057.0
Morgan Stanley [2023-03-31] DFND 554,298.0 634,268.0
Woodline Partners LP [2023-03-31] SOLE 592,238.0 592,238.0
Commodore Capital LP [2023-03-31] SOLE 575,000.0 575,000.0
Bank of America Corp /DE/ [2023-03-31] DFND 151,257.0 475,767.0
UBS Asset Management Americas Inc [2023-03-31] SOLE 410,266.0 472,416.0
Ameriprise Financial Inc [2023-03-31] DFND 0.0 466,278.0
Principal Financial Group Inc [2023-03-31] DFND 444,017.0 444,017.0
Assenagon Asset Management S.A. [2023-03-31] SOLE 423,307.0 423,307.0
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