State of Wisconsin Investment Board’s Arbutus Biopharma ABUS Stock Holding History

State of Wisconsin Investment Board’s Portfolio ABUS Stock Details ABUS Fund Activity

Bought

Maintained

Sold

Quarter	Market Value	Status	Shares	Change in Stake	Trade Value	Portfolio Weight	Portfolio Position
2026 Q1	$398K	Sell	88,359 -4,410	-5%	-$19.3K	﹤0.01%	2109
2025 Q4	$446K	Buy	92,769 +79,906	+621%	+$359K	﹤0.01%	2000
2025 Q3	$58.4K	Buy	+12,863	New	+$47.2K	﹤0.01%	2346
2025 Q2	–	Sell	-12,294	Closed	-$42.9K	–	2314
2025 Q1	$42.9K	Sell	12,294 -1,369	-10%	-$4.57K	﹤0.01%	2209
2024 Q4	$44.7K	Sell	13,663 -84,894	-86%	-$312K	﹤0.01%	2235
2024 Q3	$379K	Buy	+98,557	New	+$378K	﹤0.01%	1984
2019 Q2	–	Sell	-47,300	Closed	-$169K	–	1533
2019 Q1	$169K	Buy	47,300 +10,900	+30%	+$41.8K	﹤0.01%	1474
2018 Q4	$139K	Hold	36,400	–	–	﹤0.01%	1479
2018 Q3	$344K	Buy	+36,400	New	+$361K	﹤0.01%	1451

Other funds holding ABUS

Morgan Stanley New York $1.66T AUM 25.57% 1-Year Est. Return

TSC

Two Seas Capital Rye, New York $7.15B AUM 169.27% 1-Year Est. Return

WCM

Whitefort Capital Management New York $339M AUM 52.48% 1-Year Est. Return

BlackRock New York $6.73T AUM 46.02% 1-Year Est. Return

VCM

Vanguard Capital Management Malvern, Pennsylvania $4.04T AUM

RCMNY

Rubric Capital Management (New York) New York $9.44B AUM 68.42% 1-Year Est. Return

State Street Boston, Massachusetts $3.37T AUM 44.26% 1-Year Est. Return

Barclays London, United Kingdom $416B AUM 33.63% 1-Year Est. Return

Geode Capital Management Boston, Massachusetts $1.61T AUM 30.72% 1-Year Est. Return

ACM

ADAR1 Capital Management Austin, Texas $1.7B AUM 340.85% 1-Year Est. Return

State of Wisconsin Investment Board's ABUS Position: Q1 2026 in Review

State of Wisconsin Investment Board reduced its Arbutus Biopharma (ABUS) stake by 4.8% in Q1 2026, selling an estimated $19.3K and leaving 88,359 shares worth $398K. The position accounts for ﹤0.01% of the portfolio, ranked #2109.

State of Wisconsin Investment Board first reported a position in ABUS in Q3 2018 and has held it in 9 quarters since. The position peaked at $446K in Q4 2025. 167 funds tracked by Wall St. Rank hold ABUS as of Q1 2026.

State of Wisconsin Investment Board held 88,359 shares of Arbutus Biopharma worth $398K as of Q1 2026.
State of Wisconsin Investment Board sold 4,410 Arbutus Biopharma shares in Q1 2026, an estimated $19.3K.
Arbutus Biopharma made up ﹤0.01% of State of Wisconsin Investment Board's portfolio in Q1 2026, its #2109 holding.
State of Wisconsin Investment Board first reported a position in Arbutus Biopharma in Q3 2018 and has held it in 9 quarters since.
State of Wisconsin Investment Board's Arbutus Biopharma position peaked at $446K in Q4 2025.
167 funds tracked by Wall St. Rank held Arbutus Biopharma as of Q1 2026.

Based on State of Wisconsin Investment Board's 13F filing for Q1 2026, filed 15 May 2026.