WP
XOMA

Woodline Partners’s Xoma XOMA Stock Holding History

Woodline Partners’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 		$20.1M Buy
640,001
+377,068
+143% +$10.1M 0.08% 342
2025
Q4 		$6.99M Buy
262,933
+52,988
+25% +$1.71M 0.03% 548
2025
Q3 		$8.09M Buy
209,945
+29,715
+16% +$923K 0.04% 475
2025
Q2 		$4.54M Buy
180,230
+11,680
+7% +$280K 0.02% 584
2025
Q1 		$3.36M Buy
168,550
+12,284
+8% +$296K 0.02% 595
2024
Q4 		$4.11M Buy
156,266
+60,927
+64% +$1.78M 0.03% 526
2024
Q3 		$2.52M Buy
95,339
+23,128
+32% +$626K 0.02% 451
2024
Q2 		$1.71M Buy
72,211
+105
+0.1% +$2.63K 0.02% 434
2024
Q1 		$1.73M Buy
72,106
+21,547
+43% +$483K 0.02% 433
2023
Q4 		$935K Buy
+50,559
New +$832K 0.01% 409

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
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
State Street
State Street Boston, Massachusetts $2.9T AUM 29.55% 1-Year Est. Return

Woodline Partners's XOMA Position: Q1 2026 in Review

Woodline Partners increased its Xoma (XOMA) stake by 143% in Q1 2026, buying an estimated $10.1M and bringing the position to 640,001 shares worth $20.1M. The position accounts for 0.08% of the portfolio, ranked #342.

Woodline Partners first reported a position in XOMA in Q4 2023 and has held it in 10 quarters since. 85 funds tracked by Wall St. Rank hold XOMA as of Q1 2026.

  • Woodline Partners held 640,001 shares of Xoma worth $20.1M as of Q1 2026.
  • Woodline Partners bought 377,068 Xoma shares in Q1 2026, an estimated $10.1M.
  • Xoma made up 0.08% of Woodline Partners's portfolio in Q1 2026, its #342 holding.
  • Woodline Partners first reported a position in Xoma in Q4 2023 and has held it in 10 quarters since.
  • 85 funds tracked by Wall St. Rank held Xoma as of Q1 2026.

Based on Woodline Partners's 13F filing for Q1 2026, filed 15 May 2026.