Optiver Holding
ABUS icon

Optiver Holding’s Arbutus Biopharma ABUS Stock Holding History

Optiver Holding’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 		$3.01K Sell
669
-348
-34% -$1.52K ﹤0.01% 1671
2025
Q4 		$4.89K Sell
1,017
-1,164
-53% -$5.23K ﹤0.01% 1382
2025
Q3 		$9.9K Buy
+2,181
New +$8.01K ﹤0.01% 1308

Other funds holding ABUS

Morgan Stanley
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
BlackRock New York $5.72T AUM 30.48% 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
State Street Boston, Massachusetts $2.9T AUM 29.55% 1-Year Est. Return
Barclays
Barclays London, United Kingdom $416B AUM 33.63% 1-Year Est. Return
Geode Capital Management
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

Optiver Holding's ABUS Position: Q1 2026 in Review

Optiver Holding reduced its Arbutus Biopharma (ABUS) stake by 34% in Q1 2026, selling an estimated $1.52K and leaving 669 shares worth $3.01K. The position accounts for ﹤0.01% of the portfolio, ranked #1671.

Optiver Holding first reported a position in ABUS in Q3 2025 and has held it in 3 quarters since. The position peaked at $9.9K in Q3 2025. 167 funds tracked by Wall St. Rank hold ABUS as of Q1 2026.

  • Optiver Holding held 669 shares of Arbutus Biopharma worth $3.01K as of Q1 2026.
  • Optiver Holding sold 348 Arbutus Biopharma shares in Q1 2026, an estimated $1.52K.
  • Arbutus Biopharma made up ﹤0.01% of Optiver Holding's portfolio in Q1 2026, its #1671 holding.
  • Optiver Holding first reported a position in Arbutus Biopharma in Q3 2025 and has held it in 3 quarters since.
  • Optiver Holding's Arbutus Biopharma position peaked at $9.9K in Q3 2025.
  • 167 funds tracked by Wall St. Rank held Arbutus Biopharma as of Q1 2026.

Based on Optiver Holding's 13F filing for Q1 2026, filed 15 May 2026.