ABUS Institutional Ownership & Shareholders
ARBUTUS BIOPHARMA CORP (ABUS) is currently held by 183 institutional investors tracked by InsiderSet, with a combined reported market value of approximately $621.32M based on the latest available SEC Form 13F filings for the quarter ended June 30, 2026.
Morgan Stanley is currently the largest disclosed institutional shareholder of ABUS tracked by InsiderSet, reporting ownership valued at approximately $84.95M in its June 30, 2026 SEC Form 13F filing. Based on current market prices and the latest disclosed share count, the position is now estimated to be worth approximately $74.51M, representing an estimated loss of -12.29% since the filing period.
The top 10 institutional shareholders tracked on this page collectively account for approximately 69% of the total disclosed ABUS value among the investors covered in this analysis. Major shareholders include Morgan Stanley, Whitefort Capital Management, Lp, Blackrock, Inc., and several other long-term asset managers with concentrated positions in ARBUTUS BIOPHARMA CORP (ABUS).
This page ranks the largest institutional ABUS shareholders using publicly disclosed SEC Form 13F data, including reported values, estimated current holding values, portfolio allocation percentages, ownership concentration metrics, and historical holding changes across major hedge funds and investment firms.
Institutional Holders
183
Total Reported Value
$621.32M
Largest Holder
Morgan Stanley
Largest Position
$84.95M
Insider Transactions (90d)
16
Latest Filing Quarter
Q2 2026
New Institutional Positions
75
Funds Exiting Positions
0
| Name | Investor/Manager | Portfolio % | Quantity | Reported Balance | Current Estimated Value | Gain/loss Since Filing | Estimated Portfolio Performance |
|---|---|---|---|---|---|---|---|
| Morgan Stanley | 0.00% | 17,698,305 | $84,951,868 | $74,509,864 | -$10,442,004 | -12.29% | |
| Whitefort Capital Management, Lp | 18.69% | 15,794,261 | $75,812,453 | $66,493,839 | -$9,318,614 | -12.29% | |
| Blackrock, Inc. | 0.00% | 13,766,071 | $66,077,140 | $57,955,159 | -$8,121,981 | -12.29% | |
| Two Seas Capital Lp | 1.55% | 8,143,994 | $38,928,291 | $34,286,215 | -$4,642,076 | -11.92% | |
| State Street Corp | 0.00% | 7,869,179 | $37,772,059 | $33,129,244 | -$4,642,815 | -12.29% | |
| Rubric Capital Management Lp | 0.33% | 7,532,937 | $36,158,098 | $31,713,665 | -$4,444,433 | -12.29% | |
| Vanguard Capital Management Llc | 0.00% | 7,010,679 | $33,651,259 | $29,514,959 | -$4,136,300 | -12.29% | |
| Barclays Plc | 0.01% | 4,207,914 | $20,197,987 | $17,715,318 | -$2,482,669 | -12.29% | |
| Geode Capital Management, Llc | 0.00% | 4,117,691 | $19,769,043 | $17,335,479 | -$2,433,564 | -12.31% | |
| Goldman Sachs Group Inc | 0.00% | 3,506,802 | $16,832,650 | $14,763,636 | -$2,069,014 | -12.29% | |
| Bank Of America Corp | 0.00% | 2,646,197 | $12,701,745 | $11,140,489 | -$1,561,256 | -12.29% | |
| Blackbarn Capital Partners Lp | 2.98% | 2,500,000 | $12,000,000 | $10,525,000 | -$1,475,000 | -12.29% | |
| Legal & General Group Plc | 0.00% | 2,466,127 | $11,837,409 | $10,382,395 | -$1,455,014 | -12.29% | |
| Woodline Partners Lp | 0.03% | 2,281,856 | $10,952,909 | $9,606,614 | -$1,346,295 | -12.29% | |
| Jefferies Financial Group Inc. | 0.08% | 1,711,672 | $8,216,026 | $7,206,139 | -$1,009,887 | -12.29% | |
| Nomura Holdings Inc | 0.03% | 1,637,081 | $7,857,989 | $6,892,111 | -$965,878 | -12.29% | |
| Vanguard Portfolio Management Llc | 0.00% | 1,541,458 | $7,398,998 | $6,489,538 | -$909,460 | -12.29% | |
| Charles Schwab Investment Management Inc | 0.00% | 1,431,218 | $6,869,846 | $6,025,428 | -$844,418 | -12.29% | |
| Northern Trust Corp | 0.00% | 1,419,024 | $6,811,315 | $5,974,091 | -$837,224 | -12.29% | |
| Osaic Holdings, Inc. | 0.01% | 1,347,866 | $6,469,756 | $5,674,516 | -$795,240 | -12.29% | |
| Adar1 Capital Management, Llc | 0.29% | 1,268,147 | $6,087,106 | $5,338,899 | -$748,207 | -12.29% | |
| Deltroit Asset Management (Uk) Llp | 0.94% | 1,200,000 | $5,760,000 | $5,052,000 | -$708,000 | -12.29% | |
| Vanguard Fiduciary Trust Co | 0.00% | 1,135,362 | $5,449,738 | $4,779,874 | -$669,864 | -12.29% | |
| Citigroup Inc | 0.00% | 879,237 | $4,220,338 | $3,701,588 | -$518,750 | -12.29% | |
| Ubs Am, A Distinct Business Unit Of Ubs Asset Management Americas Llc | 0.00% | 838,210 | $3,771,945 | $3,528,864 | -$243,081 | -6.44% | |
| Bank Of Montreal | 0.00% | 777,938 | $3,734,102 | $3,275,119 | -$458,983 | -12.29% | |
| Arrowstreet Capital, Limited Partnership | 0.00% | 650,700 | $3,123,360 | $2,739,447 | -$383,913 | -12.29% | |
| Assenagon Asset Management S.A. | 0.00% | 620,717 | $2,967,027 | $2,613,219 | -$353,808 | -11.92% | |
| Los Angeles Capital Management Llc | 0.01% | 602,008 | $2,889,638 | $2,534,454 | -$355,184 | -12.29% | |
| Western Standard Llc | 0.88% | 542,787 | $2,605,378 | $2,285,133 | -$320,245 | -12.29% | |
| Rangeley Capital, Llc | 2.23% | 500,000 | $2,400,000 | $2,105,000 | -$295,000 | -12.29% | |
| Nuveen, Llc | 0.00% | 496,609 | $2,383,723 | $2,090,724 | -$292,999 | -12.29% | |
| Man Group Plc | 0.00% | 473,467 | $2,272,642 | $1,993,296 | -$279,346 | -12.29% | |
| Wellington Management Group Llp | 0.00% | 461,646 | $2,215,900 | $1,943,530 | -$272,370 | -12.29% | |
| Bank Of New York Mellon Corp | 0.00% | 454,115 | $2,179,752 | $1,911,824 | -$267,928 | -12.29% | |
| Freestone Capital Holdings, Llc | 0.06% | 442,500 | $2,124,000 | $1,862,925 | -$261,075 | -12.29% | |
| Citadel Advisors Llc | 0.00% | 404,696 | $1,942,541 | $1,703,770 | -$238,771 | -12.29% | |
| Kennedy Capital Management Llc | 0.03% | 385,298 | $1,849,430 | $1,622,105 | -$227,325 | -12.29% | |
| D. E. Shaw & Co., Inc. | 0.00% | 381,863 | $1,832,942 | $1,607,643 | -$225,299 | -12.29% | |
| Swiss National Bank | 0.00% | 286,500 | $1,375,200 | $1,206,165 | -$169,035 | -12.29% | |
| Ledgewood Wealth Advisors, Llc | 0.73% | 278,436 | $1,330,924 | $1,172,216 | -$158,708 | -11.92% | |
| Fmr Llc | 0.00% | 267,188 | $1,282,503 | $1,124,861 | -$157,642 | -12.29% | |
| Susquehanna Portfolio Strategies, Llc | 0.02% | 263,685 | $1,265,688 | $1,110,114 | -$155,574 | -12.29% | |
| Carrera Capital Advisors | 0.18% | 257,167 | $1,234,402 | $1,082,673 | -$151,729 | -12.29% | |
| Quinn Opportunity Partners Llc | 0.06% | 255,214 | $1,225,027 | $1,074,451 | -$150,576 | -12.29% | |
| Invesco Ltd. | 0.00% | 250,907 | $1,204,353 | $1,056,318 | -$148,035 | -12.29% | |
| Ubs Group Ag | 0.00% | 249,208 | $1,196,198 | $1,049,166 | -$147,032 | -12.29% | |
| State Of Wisconsin Investment Board | 0.00% | 242,017 | $1,161,682 | $1,018,892 | -$142,790 | -12.29% | |
| Campbell & Co Investment Adviser Llc | 0.06% | 230,534 | $1,106,563 | $970,548 | -$136,015 | -12.29% | |
| Susquehanna International Group, Llp | 0.00% | 225,099 | $1,080,475 | $947,667 | -$132,808 | -12.29% |
Frequently asked questions about ABUS
Who are the largest institutional holders of ABUS?
The largest institutional holders of ABUS reported in the latest SEC Form 13F filings include Morgan Stanley, Whitefort Capital Management, Lp, Blackrock, Inc., Two Seas Capital Lp, and State Street Corp. InsiderSet ranks institutional holders by their latest reported ABUS position.
What is ABUS institutional ownership?
This page tracks ABUS positions reported by institutional investment managers through SEC Form 13F. ARBUTUS BIOPHARMA CORP (ABUS) institutional ownership on InsiderSet reflects disclosed 13F holdings among the managers we analyze, not every shareholder of the stock.
How many institutions own ABUS?
InsiderSet currently tracks 183 institutional managers reporting ABUS holdings in the latest available 13F data. This count reflects institutions included in the SEC Form 13F filings analyzed by InsiderSet and should not be interpreted as the total number of ABUS shareholders.
How much ABUS stock do institutions own?
Institutional investment managers disclosed approximately $621.32M in ABUS holdings for Q2 2026. This figure is reported 13F value as of the filing period, not necessarily today's market value.
When was ABUS institutional ownership last updated?
The latest ABUS institutional ownership data on InsiderSet is based on SEC Form 13F filings for the quarter ended June 30, 2026. Form 13F filings are generally reported after the quarter ends, so the holdings shown represent the latest publicly disclosed positions rather than real-time institutional holdings.
Are institutional ABUS holdings real-time?
No. Form 13F data is not real-time. It represents positions reported by institutional investment managers as of the end of the reporting quarter. An institution may have changed its ABUS position after the reporting date.
Are institutions buying or selling ABUS?
Institutional buying and selling can be analyzed by comparing ABUS positions across consecutive 13F reporting periods. InsiderSet's ABUS Ownership Changes page shows institutions that increased, reduced, initiated, or exited positions based on reported 13F holdings. View ABUS ownership changes.
How has ABUS institutional ownership changed over time?
InsiderSet tracks ABUS institutional holdings across multiple 13F reporting periods, allowing investors to compare institutional holder counts, reported value, and reported shares over time.