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
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 $3.14B AUM 249.53% 1-Year Est. Return
Morgan Stanley
Morgan Stanley New York $1.66T AUM 25.57% 1-Year Est. Return
Fidelity Investments
Fidelity Investments Boston, Massachusetts $1.9T AUM 41.92% 1-Year Est. Return
BlackRock
BlackRock New York $5.72T AUM 30.48% 1-Year Est. Return
WP
Woodline Partners San Francisco, California $26.4B AUM 44.85% 1-Year Est. Return
VCM
Vanguard Capital Management Malvern, Pennsylvania $4.04T AUM
OM
Opaleye Management Boston, Massachusetts $759M AUM 124.8% 1-Year Est. Return
GKIM
GW&K Investment Management Boston, Massachusetts $11.3B AUM 31.98% 1-Year Est. Return
Geode Capital Management
Geode Capital Management Boston, Massachusetts $1.61T AUM 30.72% 1-Year Est. Return
Millennium Management
Millennium Management New York $240B AUM 35.51% 1-Year Est. Return

Optiver Holding's XOMA Position: Q1 2026 in Review

Optiver Holding increased its Xoma (XOMA) stake by 36% in Q1 2026, buying an estimated $643 and bringing the position to 90 shares worth $2.82K. The position accounts for ﹤0.01% of the portfolio, ranked #1698.

Optiver Holding first reported a position in XOMA in Q3 2025 and has held it in 3 quarters since. The position peaked at $5.78K in Q3 2025. 85 funds tracked by Wall St. Rank hold XOMA as of Q1 2026.

  • Optiver Holding held 90 shares of Xoma worth $2.82K as of Q1 2026.
  • Optiver Holding bought 24 Xoma shares in Q1 2026, an estimated $643.
  • Xoma made up ﹤0.01% of Optiver Holding's portfolio in Q1 2026, its #1698 holding.
  • Optiver Holding first reported a position in Xoma in Q3 2025 and has held it in 3 quarters since.
  • Optiver Holding's Xoma position peaked at $5.78K in Q3 2025.
  • 85 funds tracked by Wall St. Rank held Xoma as of Q1 2026.

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