Wellington Management Group
XOMA

Wellington Management Group’s Xoma XOMA Stock Holding History

Wellington Management Group’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 		– Sell
-29,591
Closed -$787K – 2024
2025
Q4 		$787K Sell
29,591
-3,025
-9% -$97.4K ﹤0.01% 1758
2025
Q3 		$1.26M Buy
+32,616
New +$1.01M ﹤0.01% 1731
2014
Q4 		– Sell
-2,475
Closed -$208K – 2250
2014
Q3 		$208K Hold
2,475
– – ﹤0.01% 2125
2014
Q2 		$227K Sell
2,475
-25,538
-91% -$2.22M ﹤0.01% 2105
2014
Q1 		$2.92M Sell
28,013
-4,358
-13% -$633K ﹤0.01% 1608
2013
Q4 		$4.36M Buy
32,371
+23,880
+281% +$2.41M ﹤0.01% 1499
2013
Q3 		$761K Buy
+8,491
New +$772K ﹤0.01% 1866

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

Wellington Management Group's XOMA Position: Q1 2026 in Review

Wellington Management Group sold out of Xoma (XOMA) in Q1 2026, closing a stake of 29,591 shares — an estimated $787K sold.

Wellington Management Group first reported a position in XOMA in Q3 2013 and held it in 7 quarters. The position peaked at $4.36M in Q4 2013. 85 funds tracked by Wall St. Rank hold XOMA as of Q1 2026.

  • Wellington Management Group reported no remaining Xoma position as of Q1 2026 after selling out during the quarter.
  • Wellington Management Group sold 29,591 Xoma shares in Q1 2026, an estimated $787K.
  • Wellington Management Group first reported a position in Xoma in Q3 2013 and held it in 7 quarters.
  • Wellington Management Group's Xoma position peaked at $4.36M in Q4 2013.
  • 85 funds tracked by Wall St. Rank held Xoma as of Q1 2026.

Based on Wellington Management Group's 13F filing for Q1 2026, filed 15 May 2026.