Arbutus Biopharma Corporation
DE ˙ DB ˙ CA03879J1003
3,73 € ↑0,06 (1,63%)
2026-06-04
DEL PRIS
SecurityDE:I9DN / Arbutus Biopharma Corporation
InstitutionBnp Paribas Arbitrage, Sa
Latest Disclosed Ownership41,561 shares
Latest Disclosed Value $ 187,024
Bnp Paribas Arbitrage, Sa reports 33.79% decrease in ownership of I9DN / Arbutus Biopharma Corporation

On May 12, 2026 - Bnp Paribas Arbitrage, Sa filed a 13F-HR form disclosing ownership of 41,561 shares of Arbutus Biopharma Corporation (DE:I9DN) valued at $152,446 USD as of March 31, 2026. The entity filed a previous 13F-HR on February 10, 2026 disclosing 62,771 shares of Arbutus Biopharma Corporation. This represents a change in shares of -33.79% during the quarter. The current value of the position is $155,023 USD.

Institutional Ownership: 13F and NPORT Filings

The Security and Class in the table below are shown exactly as filed by the investor. We do our best to track continuity of investments through acquisitions, and this will be reflected in the table as changes in names. In addition to descriptive data, performance of the investment is shown over time. To calculate quarterly performance, we first calculate cost basis of the shares purchased during the quarter, then use that to calculate gross profit. Quarterly return is Gross Profit / Starting Portfolio value.

Note that cost basis is calculated and stored in thousands, so small quarterly changes in shares frequently result in a cost basis of zero.

Upgrade to unlock premium data and export to Excel .

Disclosed Equity Positions (from 13F/NPORT Filings)
File
Date
Effective
Date
Form Security Class ID Avg Price
Paid (Est)
Reported
Shares
ΔShares ΔShares
(%)
Reported
Value
(x1000)
ΔValue
(%)
Alloc
(%)
ΔAlloc ΔAlloc (%) Cost Basis
(x1000)
Unrealized
Gain/Loss
(x1000)
2026-05-12 2026-03-31 13F Arbutus Biopharma Equity 03879J100 41,561 -21,210 -33.79 187 -37.87 0.0000
2026-02-10 2025-12-31 13F Arbutus Biopharma Equity 03879J100 62,771 -27,128 -30.18 302 -26.23 0.0001
2025-11-13 2025-09-30 13F Arbutus Biopharma Equity 03879J100 89,899 33,948 60.67 408 137.21 0.0002
2025-08-14 2025-06-30 13F Arbutus Biopharma Equity 03879J100 55,951 -127,297 -69.47 173 -73.08 0.0001
2025-05-14 2025-03-31 13F Arbutus Biopharma Equity 03879J100 183,248 -64,748 -26.11 640 -21.11 0.0004
2025-02-14 2024-12-31 13F Arbutus Biopharma Equity 03879J100 247,996 -58,371 -19.05 811 -31.30 0.0005
2024-11-13 2024-09-30 13F Arbutus Biopharma Equity 03879J100 306,367 -41,868 -12.02 1,180 9.57 0.0008
2024-08-13 2024-06-30 13F Arbutus Biopharma Equity 03879J100 348,235 -1,200 -0.34 1,076 19.42 0.0009
2024-05-01 2024-03-31 13F Arbutus Biopharma Equity 03879J100 349,435 57,390 19.65 902 23.42 0.0008
2024-02-14 2023-12-31 13F/A-2 Arbutus Biopharma Equity 03879J100 292,045 49,745 20.53 730 48.68 0.0008
2024-02-07 2023-12-31 13F/A-1 Arbutus Biopharma Equity 03879J100 292,045 49,745 730 0.0001
2024-02-07 2023-12-31 13F Arbutus Biopharma Equity 03879J100 292,045 730
2023-11-14 2023-09-30 13F Arbutus Biopharma Equity 03879J100 242,300 71,526 41.88 492 25.26 0.0006
2023-08-09 2023-06-30 13F Arbutus Biopharma Equity 03879J100 170,774 85,170 99.49 393 51.35 0.0005
2023-05-12 2023-03-31 13F ARBUTUS BIOPHARMA EQUITY 03879J100 85,604 65,539 326.63 259 463.04 0.0004
2023-02-14 2022-12-31 13F Arbutus Biopharma Equity 03879J100 20,065 -18,603 -48.11 47 -36.99 0.0001
2022-11-16 2022-09-30 13F/A-1 Arbutus Biopharma Equity 03879J100 38,668 14,832 62.23 74 14.06 0.0001
2022-11-15 2022-09-30 13F Arbutus Biopharma Equity 03879J100 38,668 14,832 74 0.0000
2022-08-12 2022-06-30 13F Arbutus Biopharma Equity 03879J100 23,836 16,093 207.84 65 178.26 0.0001
2022-05-18 2022-03-31 13F/A-1 Arbutus Biopharma Equity 03879J100 7,743 -17,113 -68.85 23 -76.04 0.0000
2022-02-09 2021-12-31 13F ARBUTUS BIOPHARMA EQUITY 03879J100 24,856 9,101 57.77 97 43.28 0.0001
2021-11-16 2021-09-30 13F/A-1 ARBUTUS BIOPHARMA EQUITY 03879J100 15,755 9,318 144.76 68 252.63 0.0001
2021-08-10 2021-06-30 13F ARBUTUS BIOPHARMA EQUITY 03879J100 6,437 6,437 20 0.0000
2020-10-30 2020-09-30 13F ARBUTUS BIOPHARMA EQUITY 03879J100 0 -6 -100.00 0 -100.00 0.0000
2020-08-06 2020-06-30 13F ARBUTUS BIOPHARMA EQUITY 03879J100 6 -64 -91.43 0 -84.51 0.0000
2020-05-13 2020-03-31 13F ARBUTUS BIOPHARMA EQUITY 03879J100 70 0 0.00 0 0.0000
2020-02-12 2019-12-31 13F ARBUTUS BIOPHARMA EQUITY 03879J100 70 -3,892 -98.23 0 -100.00 0.0000
2019-11-07 2019-09-30 13F ARBUTUS BIOPHARMA EQUITY 03879J100 3,962 0 0.00 6 -25.00 0.0000
2019-07-30 2019-06-30 13F ARBUTUS BIOPHARMA EQUITY 03879J100 3,962 -3,385 -46.07 8 -69.23 0.0000
2019-04-25 2019-03-31 13F ARBUTUS BIOPHARMA EQUITY 03879J100 7,347 7,347 85.44 26 225.00 0.0001
2019-02-12 2018-12-31 13F ARBUTUS BIOPHARMA EQUITY 03879J100 0 -1,155 -100.00 0 -100.00
2018-11-07 2018-09-30 13F ARBUTUS BIOPHARMA EQUITY 03879J100 1,155 0 0.00 11 25.00 0.0000
2018-07-25 2018-06-30 13F ARBUTUS BIOPHARMA EQUITY 03879J100 1,155 1,155 8 0.0000
Legend
Shares
The total number of shares held by the institution at the end of the reporting period (the effective date). This is provided in the filing.
Value
The total value of the shares as of the effective date. This is provided in the filing.
Avg. Share Price
The weighted average share price of the shares held by the institution. We use FIFO accounting to determine this price
Class
This is the security class as indicated by the filer. There are a variety of values for this field. Common values include "EC" = equity common, "EP" - equity preferred
Allocation (%)
The percent of the institution's portfolio that this position represents. This is provided in NPORT filings. For 13F filings, we calculate it.
Change in Allocation
The change in allocation from the prior reporting period. This is calculated as current allocation - prior allocation.
Change in Allocation (%)
The percent change in allocation from the prior reporting period. This is calculated as (current allocation - prior allocation) / prior allocation.
Cost Basis
The total cost of the shares held. This is calculated as reported shares * avg. share price
Unrealized Gain/Loss
This is the market value of the position as of the effective date minus the cost basis.