Vanguard Portfolio Management
XOMA

Vanguard Portfolio Management’s Xoma XOMA Stock Holding History

Vanguard Portfolio Management’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 		$3.84M Buy
90,348
+4,551
+5% +$185K ﹤0.01% 2517
2026
Q1 		$2.69M Buy
+85,797
New +$2.3M ﹤0.01% 2516

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

Vanguard Portfolio Management's XOMA Position: Q2 2026 in Review

Vanguard Portfolio Management increased its Xoma (XOMA) stake by 5.3% in Q2 2026, buying an estimated $185K and bringing the position to 90,348 shares worth $3.84M. The position accounts for ﹤0.01% of the portfolio, ranked #2517.

Vanguard Portfolio Management first reported a position in XOMA in Q1 2026 and has held it in 2 quarters since. 98 funds tracked by Wall St. Rank hold XOMA as of Q2 2026.

  • Vanguard Portfolio Management held 90,348 shares of Xoma worth $3.84M as of Q2 2026.
  • Vanguard Portfolio Management bought 4,551 Xoma shares in Q2 2026, an estimated $185K.
  • Xoma made up ﹤0.01% of Vanguard Portfolio Management's portfolio in Q2 2026, its #2517 holding.
  • Vanguard Portfolio Management first reported a position in Xoma in Q1 2026 and has held it in 2 quarters since.
  • 98 funds tracked by Wall St. Rank held Xoma as of Q2 2026.

Based on Vanguard Portfolio Management's 13F filing for Q2 2026, filed 13 Aug 2026.