What does CUSIP 04280A100 represent in this 13F holders report?

CUSIP 04280A100 is the security identifier for ARWR - ARROWHEAD PHARMACEUTICALS, INC. - Common Stock used to aggregate holder disclosures.

How many institutions held ARWR - ARROWHEAD PHARMACEUTICALS, INC. - Common Stock in Q4 2018?

156 institutional investors reported ARWR - ARROWHEAD PHARMACEUTICALS, INC. - Common Stock for Q4 2018. Use the holders table for investor-level position and value details.

ARROWHEAD PHARMACEUTICALS, INC. - Common Stock (ARWR)

CUSIP: 04280A100

Q4 2018 13F Holders as of 31 Dec 2018

Type / Class: Equity / Common Stock
Shares outstanding: 140,223,624
Total 13F shares: 58,642,004
Share change: +1,616,796
Total reported value: $728,108,442
Put/Call ratio: 105%
Price per share: $12.42
Number of holders: 156
Value change: +$2,744,915
Number of buys: 94
Number of sells: 64

Quarterly Holders Quick Answers

What is CUSIP 04280A100?
CUSIP 04280A100 identifies ARWR - ARROWHEAD PHARMACEUTICALS, INC. - Common Stock in SEC institutional holdings data.

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Jump to adjacent filing periods for faster comparison and easier crawl discovery.

Newer quarter: Q1 2019
Previous quarter: Q3 2018

Recent filing periods for CUSIP 04280A100:

Q1 2026 Q4 2025 Q3 2025 Q2 2025 Q1 2025 Q4 2024 Q3 2024 Q2 2024

Top shareholders of ARWR - ARROWHEAD PHARMACEUTICALS, INC. - Common Stock (13F + 13D/G + 3/4/5)

Grouped by holder across the latest SEC ownership disclosures. Ownership % is shown only when it is directly reported or safely comparable across share classes.

Methodology: rows are grouped by holder and ranked by the holder's primary source value. — indicates unavailable or non-comparable values; "mixed-class rows" means the latest filing spans non-comparable classes.

Holder	Source	Role / Reporting	Ownership %	Shares	Holdings Value	12M Net Δ	As of	Details
OppenheimerFunds, Inc.	13F	Company	5.6%	7,805,769	$149,637,000	—	30 Sep 2018	13F
RTW INVESTMENTS, LP	13F	Company	5.4%	7,604,225	$145,773,000	—	30 Sep 2018	13F
BlackRock Finance, Inc.	13F	Company	5.1%	7,092,504	$135,964,000	—	30 Sep 2018	13F
FIRST MANHATTAN CO. LLC.	13F	Company	3.6%	5,053,925	$96,883,000	—	30 Sep 2018	13F
STATE STREET CORP	13F	Company	3.5%	4,934,753	$94,603,000	—	30 Sep 2018	13F
VANGUARD GROUP INC	13F	Company	2.8%	3,951,381	$75,748,000	—	30 Sep 2018	13F
Vivo Capital, LLC	13F	Company	1.7%	2,328,475	$44,637,000	—	30 Sep 2018	13F
FMR LLC	13F	Company	1.4%	1,978,218	$37,922,000	—	30 Sep 2018	13F
Invesco Ltd.	13F	Company	0.85%	1,194,214	$22,893,000	—	30 Sep 2018	13F
NORTHERN TRUST CORP	13F	Company	0.79%	1,109,264	$21,265,000	—	30 Sep 2018	13F
GEODE CAPITAL MANAGEMENT, LLC	13F	Company	0.66%	922,163	$17,677,000	—	30 Sep 2018	13F
ADAGE CAPITAL PARTNERS GP, L.L.C.	13F	Company	0.64%	900,000	$17,253,000	—	30 Sep 2018	13F
Avoro Capital Advisors LLC	13F	Company	0.61%	849,899	$16,293,000	—	30 Sep 2018	13F
ACUTA CAPITAL PARTNERS, LLC	13F	Company	0.55%	775,000	$14,857,000	—	30 Sep 2018	13F
S.c.a. Candriam	13F	Individual	0.37%	514,000	$9,853,000	—	30 Sep 2018	13F
CHARLES SCHWAB INVESTMENT MANAGEMENT INC	13F	Company	0.34%	481,066	$9,223,000	—	30 Sep 2018	13F
Uniplan Investment Counsel, Inc.	13F	Company	0.33%	460,423	$8,826,000	—	30 Sep 2018	13F
Bank of New York Mellon Corp	13F	Company	0.31%	429,770	$8,239,000	—	30 Sep 2018	13F
DEUTSCHE BANK AG\	13F	Company	0.29%	410,599	$7,871,000	—	30 Sep 2018	13F
OAK RIDGE INVESTMENTS LLC	13F	Company	0.27%	379,374	$7,273,000	—	30 Sep 2018	13F
PERCEPTIVE ADVISORS LLC	13F	Company	0.26%	365,445	$7,006,000	—	30 Sep 2018	13F
BAKER BROS. ADVISORS LP	13F	Company	0.22%	307,496	$5,895,000	—	30 Sep 2018	13F
JPMORGAN CHASE & CO	13F	Company	0.21%	295,761	$5,670,000	—	30 Sep 2018	13F
CALIFORNIA PUBLIC EMPLOYEES RETIREMENT SYSTEM	13F	Company	0.21%	288,210	$5,525,000	—	30 Sep 2018	13F
MILLENNIUM MANAGEMENT LLC	13F	Company	0.19%	272,061	$5,215,000	—	30 Sep 2018	13F
Informed Momentum Co LLC	13F	Company	0.18%	247,549	$4,746,000	—	30 Sep 2018	13F
TWO SIGMA INVESTMENTS, LP	13F	Company	0.17%	235,216	$4,509,000	—	30 Sep 2018	13F
GOLDMAN SACHS GROUP INC	13F	Company	0.17%	232,114	$4,450,000	—	30 Sep 2018	13F
MORGAN STANLEY	13F	Company	0.16%	226,406	$4,339,000	—	30 Sep 2018	13F
CITIGROUP INC	13F	Company	0.16%	226,228	$4,336,000	—	30 Sep 2018	13F
TIAA CREF INVESTMENT MANAGEMENT LLC	13F	Company	0.13%	176,663	$3,387,000	—	30 Sep 2018	13F
TEACHERS ADVISORS, LLC	13F	Company	0.12%	170,714	$3,273,000	—	30 Sep 2018	13F
TIVERTON ASSET MANAGEMENT LLC	13F	Company	0.1%	144,029	$2,761,000	—	30 Sep 2018	13F
Swiss National Bank	13F	Company	0.1%	136,000	$2,607,000	—	30 Sep 2018	13F
CALIFORNIA STATE TEACHERS RETIREMENT SYSTEM	13F	Company	0.1%	133,272	$2,555,000	—	30 Sep 2018	13F
Global IMC LLC	13F	Company	0.09%	132,379	$2,538,000	—	30 Sep 2018	13F
ALLIANCEBERNSTEIN L.P.	13F	Company	0.09%	129,700	$2,486,000	—	30 Sep 2018	13F
WELLS FARGO & COMPANY/MN	13F	Company	0.09%	123,682	$2,370,000	—	30 Sep 2018	13F
FEDERATED HERMES, INC.	13F	Company	0.08%	117,200	$2,247,000	—	30 Sep 2018	13F
ClariVest Asset Management LLC	13F	Company	0.08%	116,601	$2,235,000	—	30 Sep 2018	13F
Sio Capital Management, LLC	13F	Company	0.08%	114,259	$2,190,000	—	30 Sep 2018	13F
AQR CAPITAL MANAGEMENT LLC	13F	Company	0.08%	110,079	$2,110,000	—	30 Sep 2018	13F
SEVEN EIGHT CAPITAL, LP	13F	Company	0.08%	108,984	$2,089,000	—	30 Sep 2018	13F
CITADEL ADVISORS LLC	13F	Company	0.07%	102,312	$1,961,000	—	30 Sep 2018	13F
NEW YORK STATE COMMON RETIREMENT FUND	13F	Company	0.07%	97,200	$1,863,000	—	30 Sep 2018	13F
STATE OF WISCONSIN INVESTMENT BOARD	13F	Company	0.06%	88,700	$1,700,000	—	30 Sep 2018	13F
UBS Group AG	13F	Company	0.06%	83,583	$1,602,000	—	30 Sep 2018	13F
CREDIT SUISSE AG/	13F	Company	0.06%	82,739	$1,586,000	—	30 Sep 2018	13F
Deutsche Girozentrale DekaBank	13F	Individual	0.08%	107,200	$1,544,000	—	30 Sep 2018	13F
CIBC Private Wealth Group LLC	13F	Company	0.06%	80,000	$1,534,000	—	30 Sep 2018	13F

Institutional Holders of ARROWHEAD PHARMACEUTICALS, INC. - Common Stock (ARWR) as of Q4 2018

As of 31 Dec 2018, ARROWHEAD PHARMACEUTICALS, INC. - Common Stock (ARWR) was held by 156 institutional shareholders that filed Form 13F with the SEC. Together, they reported ownership of 58,642,004 shares. The largest 10 holders included OppenheimerFunds, Inc., BlackRock Inc., RTW INVESTMENTS, LP, STATE STREET CORP, FIRST MANHATTAN CO, Vanguard Group Inc, Vivo Capital, LLC, FMR LLC, Fiera Capital Corp, and FARALLON CAPITAL MANAGEMENT LLC. This page lists 156 institutional shareholders reporting positions in this security for the Q4 2018 filing period.

Investor	Option	Weight %	Change %	Value $	* Price	Shares	Share Change	Activity	Report Period

Compare Q4 2018 vs Q3 2018 Across Filers

Q3 2018 holders

131

Q4 2018 holders

156

Holder diff

Investor	Q3 2018 Shares	Q4 2018 Shares	Share Diff	Share Chg %	Q3 2018 Value $	Q4 2018 Value $	Value Diff $	Value Chg %

Trend: ostatnie 8 kwartałów (+ wybrane okresy porównania).

Quarterly Holders Trend

Quarterly Value Trend

Quarterly Shares Trend

* Reported Price is the price of the security as of the portfolio date. This value is significant in that it is the last known price at which the security was still held.
An asterisk sign (*) next to the price indicates that the price is likely invalid.