ARBUTUS BIOPHARMA CORP (ABUS) Institutional Ownership Changes & 13F Activity

ARBUTUS BIOPHARMA CORP (ABUS). Institutional ownership data tracks hedge funds, asset managers, and other institutional investors based on recent SEC Form 13F filings (Q2 2026). This page analyzes institutional buying and selling activity, new holdings, and sold-out positions in the latest reporting period. Notable filers include Goldman Sachs Group Inc, Adar1 Capital Management, Llc, Nomura Holdings Inc, State Street Corp, and Bank Of America Corp.

InstitutionTypeChange in sharesChange Position %SharesReported stock balancePortfolio quarterFiling date
State Street CorpBuy+1,526,669+24.1%7,869,179$37.77MQ2 2026Sep 22, 2026
Manufacturers Life Insurance Company, TheBuy+1,876+4.4%44,305$212.66KQ2 2026Sep 09, 2026
Citadel Advisors LlcSell-272,442-40.2%404,696$1.94MQ2 2026Sep 02, 2026
California State Teachers Retirement SystemBuy+42,675+29.8%185,660$891.17KQ2 2026Aug 24, 2026
Mercer Global Advisors IncSell-1,260-6.5%18,085$86.81KQ2 2026Aug 19, 2026
Jefferies Financial Group Inc.Sell-182,395-9.6%1,711,672$8.22MQ2 2026Aug 17, 2026
Goldman Sachs Group IncBuy+2,406,368+218.7%3,506,802$16.83MQ2 2026Aug 14, 2026
Adar1 Capital Management, LlcSell-1,865,028-59.5%1,268,147$6.09MQ2 2026Aug 14, 2026
Nomura Holdings IncBuy+1,637,081—1,637,081$7.86MQ2 2026Aug 14, 2026
Bank Of America CorpBuy+962,569+57.2%2,646,197$12.70MQ2 2026Aug 14, 2026
Rubric Capital Management LpBuy+906,548+13.7%7,532,937$36.16MQ2 2026Aug 14, 2026
Whitefort Capital Management, LpBuy+863,376+5.8%15,794,261$75.81MQ2 2026Aug 14, 2026
Man Group PlcBuy+473,467—473,467$2.27MQ2 2026Aug 14, 2026
Deltroit Asset Management (Uk) LlpBuy+400,000+50.0%1,200,000$5.76MQ2 2026Aug 14, 2026
Woodline Partners LpBuy+271,684+13.5%2,281,856$10.95MQ2 2026Aug 14, 2026
Quinn Opportunity Partners LlcSell-259,299-50.4%255,214$1.23MQ2 2026Aug 14, 2026
Invesco Ltd.Buy+250,907—250,907$1.20MQ2 2026Aug 14, 2026
Susquehanna Portfolio Strategies, LlcBuy+244,865+1301.1%263,685$1.27MQ2 2026Aug 14, 2026
D. E. Shaw & Co., Inc.Buy+238,662+166.7%381,863$1.83MQ2 2026Aug 14, 2026
Squarepoint Ops LlcBuy+208,145—208,145$999.10KQ2 2026Aug 14, 2026
Hudson Bay Capital Management LpSell-200,000-57.1%150,000$720.00KQ2 2026Aug 14, 2026
State Of Wisconsin Investment BoardBuy+153,658+173.9%242,017$1.16MQ2 2026Aug 14, 2026
Barclays PlcSell-108,181-2.5%4,207,914$20.20MQ2 2026Aug 14, 2026
Wells Fargo & Company/MnBuy+89,285+152.1%147,994$710.37KQ2 2026Aug 14, 2026
Two Sigma Investments, LpBuy+84,986—84,986$407.93KQ2 2026Aug 14, 2026
Integrated Quantitative Investments LlcBuy+79,937—79,937$383.70KQ2 2026Aug 14, 2026
Legal & General Group PlcBuy+64,738+2.7%2,466,127$11.84MQ2 2026Aug 14, 2026
Xtx Topco LtdBuy+36,189+90.4%76,210$365.81KQ2 2026Aug 14, 2026
Charles Schwab Investment Management IncBuy+30,061+2.1%1,431,218$6.87MQ2 2026Aug 14, 2026
Exome Asset Management LlcSell-25,318-33.5%50,166$240.80KQ2 2026Aug 14, 2026
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Frequently asked questions about ABUS activity

  • Which institutional owners are buying ABUS?

    Institutional owners buying ABUS include investors who have either initiated new positions or increased their existing holdings based on recent SEC 13F filings. The activity table above highlights which funds added shares in the latest reporting periods and how their positions changed over time.

  • What does "buy" mean in ABUS activity?

    "Buy" means an investor increased their reported position in ABUS compared to the prior reporting period. This reflects growing exposure to ARBUTUS BIOPHARMA CORP (ABUS) rather than necessarily a brand-new position (though new positions also appear as buys when prior quantity was zero).

  • Is institutional interest in ABUS increasing?

    Institutional interest in ABUS can be assessed by comparing the number of tracked funds adding or increasing positions versus those trimming or exiting across the periods shown. A higher number of additions typically signals increasing participation among large filers, but it should be read alongside position sizes and the full table.