State of Wisconsin Investment Board
XOMA

State of Wisconsin Investment Board’s Xoma XOMA Stock Holding History

State of Wisconsin Investment Board’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 		$906K Buy
+28,894
New +$774K ﹤0.01% 1735
2025
Q4 		– Sell
-13,571
Closed -$523K – 2591
2025
Q3 		$523K Buy
+13,571
New +$421K ﹤0.01% 1871

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 $6.73T AUM 46.02% 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 $12.8B AUM 48.82% 1-Year Est. Return
Geode Capital Management
Geode Capital Management Boston, Massachusetts $1.88T AUM 44.46% 1-Year Est. Return
Millennium Management
Millennium Management New York $240B AUM 35.51% 1-Year Est. Return

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

State of Wisconsin Investment Board opened a new position in Xoma (XOMA) in Q1 2026: 28,894 shares worth $906K. The stake represents ﹤0.01% of the portfolio and ranks #1735 among its holdings. This is a return to the name: State of Wisconsin Investment Board previously reported a position in XOMA as recently as Q3 2025.

State of Wisconsin Investment Board first reported a position in XOMA in Q3 2025 and has held it in 2 quarters since. 85 funds tracked by Wall St. Rank hold XOMA as of Q1 2026.

  • State of Wisconsin Investment Board held 28,894 shares of Xoma worth $906K as of Q1 2026.
  • Xoma was a new State of Wisconsin Investment Board position in Q1 2026.
  • Xoma made up ﹤0.01% of State of Wisconsin Investment Board's portfolio in Q1 2026, its #1735 holding.
  • State of Wisconsin Investment Board first reported a position in Xoma in Q3 2025 and has held it in 2 quarters since.
  • 85 funds tracked by Wall St. Rank held Xoma as of Q1 2026.

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