Optiver Holding
XOMA

Optiver Holding’s Xoma XOMA Stock Holding History

Optiver Holding’s Portfolio XOMA Stock Details XOMA Fund Activity
Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake 		Trade Value Portfolio Weight Portfolio Position
2026
Q2 		$2K Sell
47
-43
-48% -$1.74K ﹤0.01% 2311
2026
Q1 		$2.82K Buy
90
+24
+36% +$643 ﹤0.01% 1698
2025
Q4 		$1.75K Sell
66
-84
-56% -$2.7K ﹤0.01% 2079
2025
Q3 		$5.78K Buy
+150
New +$4.66K ﹤0.01% 1622

Other funds holding XOMA

BI
BVF Inc San Francisco, California $3.91B AUM 304.52% 1-Year Est. Return
Morgan Stanley
Morgan Stanley New York $1.89T AUM 35.08% 1-Year Est. Return
Fidelity Investments
Fidelity Investments Boston, Massachusetts $2.3T AUM 54.33% 1-Year Est. Return
WP
Woodline Partners San Francisco, California $32.4B AUM 58.5% 1-Year Est. Return
NM
Newtyn Management New York $801M AUM 23.14% 1-Year Est. Return
BlackRock
BlackRock New York $6.73T AUM 46.02% 1-Year Est. Return
Vanguard Capital Management
Vanguard Capital Management Malvern, Pennsylvania $4.68T AUM
OM
Opaleye Management Boston, Massachusetts $1.1B AUM 197.64% 1-Year Est. Return
Geode Capital Management
Geode Capital Management Boston, Massachusetts $1.88T AUM 44.46% 1-Year Est. Return
WIC
Water Island Capital New York $1.08B AUM 105.75% 1-Year Est. Return

Optiver Holding's XOMA Position: Q2 2026 in Review

Optiver Holding reduced its Xoma (XOMA) stake by 48% in Q2 2026, selling an estimated $1.74K and leaving 47 shares worth $2K. The position accounts for ﹤0.01% of the portfolio, ranked #2311.

Optiver Holding first reported a position in XOMA in Q3 2025 and has held it in 4 quarters since. The position peaked at $5.78K in Q3 2025. 98 funds tracked by Wall St. Rank hold XOMA as of Q2 2026.

  • Optiver Holding held 47 shares of Xoma worth $2K as of Q2 2026.
  • Optiver Holding sold 43 Xoma shares in Q2 2026, an estimated $1.74K.
  • Xoma made up ﹤0.01% of Optiver Holding's portfolio in Q2 2026, its #2311 holding.
  • Optiver Holding first reported a position in Xoma in Q3 2025 and has held it in 4 quarters since.
  • Optiver Holding's Xoma position peaked at $5.78K in Q3 2025.
  • 98 funds tracked by Wall St. Rank held Xoma as of Q2 2026.

Based on Optiver Holding's 13F filing for Q2 2026, filed 12 Aug 2026.