Arbutus Biopharma Corp

ABUS

Exchange: Nasdaq
Industry: Pharmaceutical Preparations
SEC CIK: 0001447028

SEC filings (opens in a new tab)

No open-market purchases or sales by Arbutus Biopharma Corp insiders were filed in the last 90 days; 176 institutions reported holding it in 13F filings for Q2 2026, worth $674.9M in total; no superinvestor holds it.

Q4 2025 vs. Q3 2025

How the institutions holding Arbutus Biopharma Corp changed between Q3 2025 and Q4 2025.

All holders in Q4 2025 All holders in Q3 2025

13F holders of ABUS: Q3 2025 compared with Q4 2025
Measure	Q3 2025	Of which not filed for Q4 2025	Q4 2025	Change
Holders	166	1	172	+7
Shares	118.2M	16.1K	122.0M	+3.87M (+3.3%)
Value	$536.4M	$73.3K	$586.9M	+$50.6M (+9.4%)

1 institution that held it in Q3 2025 haven't filed for Q4 2025 yet. Not filing isn't selling, so the changes leave them out.

New holders (22)

Institutions that held Arbutus Biopharma Corp at the end of Q4 2025 but not at the end of Q3 2025.

Institutions new to ABUS in Q4 2025
Institution	Shares	Value	% of portfolio
UBS Asset Management Americas Inc	890,898	$4.29M	0.00%
Lazard Asset Management LLC	67,840	$326.3K	0.00%
Raymond James Financial Inc	60,185	$289.5K	0.00%
Irenic Capital Management LP	59,853	$287.9K	0.04%
AlphaCentric Advisors LLC	47,925	$230.5K	0.23%
Los Angeles Capital Management LLC	46,520	$225.2K	0.00%
T3 Companies, LLC	34,000	$163.5K	0.21%
Abel Hall, LLC	30,779	$148.0K	0.03%
Inceptionr LLC	28,418	$136.7K	0.04%
Dynamic Technology Lab Private Ltd	25,779	$124.0K	0.03%
Oxford Asset Management LLP	21,632	$104.0K	0.04%
Verition Fund Management LLC	20,000	$96.2K	0.00%
State of Wyoming	15,421	$74.2K	0.01%
CIBC Asset Management Inc	14,382	$69.2K	0.00%
Amundi	11,878	$57.1K	0.00%
Belvedere Trading LLC	10,721	$51.6K	0.01%
CIBC World Markets Corp	10,015	$48.2K	0.00%
Caitong International Asset Management Co., Ltd	3,134	$15.1K	0.00%
SRS Capital Advisors, Inc.	1,233	$5.93K	0.00%
Keating Financial Advisory Services, Inc.	1,029	$4.95K	0.00%
Northwestern Mutual Wealth Management Co	250	$1.20K	0.00%
Flagship Harbor Advisors, LLC	200	$962	0.00%

Sold out (15)

Institutions that held Arbutus Biopharma Corp at the end of Q3 2025 and filed for Q4 2025 without it.

Institutions that sold out of ABUS in Q4 2025
Institution	Shares, Q3 2025	Value, Q3 2025
Foursixthree Capital LP	1,978,975	$8.98M
FourWorld Capital Management LLC	1,020,910	$4.63M
Standard Life Aberdeen plc	799,979	$3.63M
Millennium Management LLC	528,340	$2.40M
Y-Intercept (Hong Kong) Ltd	66,056	$299.9K
Assenagon Asset Management S.A.	26,702	$121.2K
Jain Global LLC	26,000	$118.0K
Omers Administration Corp	21,700	$98.5K
Prudential Financial Inc	18,255	$82.9K
Graham Capital Management, L.P.	13,265	$60.2K
Principal Financial Group Inc	11,859	$53.8K
Two Sigma Securities, LLC	11,534	$52.4K
XTX Topco Ltd	11,364	$51.6K
GWM Advisors LLC	500	$2.27K
Principal Securities, Inc.	230	$1.04K

Not filed for Q4 2025 yet (1)

Institutions that held Arbutus Biopharma Corp at the end of Q3 2025 and haven't filed a 13F for Q4 2025. Not filing isn't selling, so they aren't counted as sold out.

Institutions holding ABUS in Q3 2025 that haven't filed for Q4 2025
Institution	Shares, Q3 2025	Value, Q3 2025
CIBC Bancorp USA Inc.	16,138	$73.3K