Group One Trading
XOMA

Group One Trading’s Xoma XOMA Stock Holding History

Group One Trading’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 		$1.16M Buy
+27,200
New +$1.1M ﹤0.01% 2733
2025
Q3 		– Sell
-800
Closed -$20.2K – 9277
2025
Q2 		$20.2K Buy
800
+100
+14% +$2.4K ﹤0.01% 6259
2025
Q1 		$14K Buy
700
+300
+75% +$7.22K ﹤0.01% 6049
2024
Q4 		$10.5K Sell
400
-700
-64% -$20.5K ﹤0.01% 6080
2024
Q3 		$29.1K Sell
1,100
-500
-31% -$13.5K ﹤0.01% 5010
2024
Q2 		$37.9K Buy
+1,600
New +$40K ﹤0.01% 4739
2017
Q1 		– Sell
-72,000
Closed -$304K – 5056
2016
Q4 		$304K Buy
72,000
+68,400
+1,900% +$424K ﹤0.01% 2120
2016
Q3 		$33K Sell
3,600
-1,895
-34% -$21.8K ﹤0.01% 3572
2016
Q2 		$61K Buy
5,495
+1,845
+51% +$26.4K ﹤0.01% 3181
2016
Q1 		$56K Sell
3,650
-5,320
-59% -$95.8K ﹤0.01% 3200
2015
Q4 		$239K Buy
8,970
+4,735
+112% +$121K ﹤0.01% 2372
2015
Q3 		$64K Sell
4,235
-3,255
-43% -$103K ﹤0.01% 3371
2015
Q2 		$581K Buy
7,490
+1,615
+27% +$116K 0.01% 1646
2015
Q1 		$428K Buy
5,875
+1,290
+28% +$94.7K 0.01% 1732
2014
Q4 		$329K Buy
4,585
+1,165
+34% +$99.8K 0.01% 1876
2014
Q3 		$288K Sell
3,420
-1,645
-32% -$140K ﹤0.01% 2073
2014
Q2 		$465K Sell
5,065
-10,965
-68% -$951K 0.01% 1706
2014
Q1 		$1.67M Buy
16,030
+12,845
+403% +$1.86M 0.03% 732
2013
Q4 		$429K Sell
3,185
-3,325
-51% -$335K 0.01% 1779
2013
Q3 		$583K Buy
6,510
+4,770
+274% +$434K 0.01% 1481
2013
Q2 		$126K Buy
+1,740
New +$130K ﹤0.01% 2599

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

Group One Trading's XOMA Position: Q2 2026 in Review

Group One Trading opened a new position in Xoma (XOMA) in Q2 2026: 2,139 shares worth $90.9K. The stake represents ﹤0.01% of the portfolio and ranks #4937 among its holdings. This is a return to the name: Group One Trading previously reported a position in XOMA as recently as Q2 2025.

Group One Trading first reported a position in XOMA in Q2 2013 and has held it in 43 quarters since. The position peaked at $1.01M in Q1 2014. 98 funds tracked by Wall St. Rank hold XOMA as of Q2 2026.

  • Group One Trading held 2,139 shares of Xoma worth $90.9K as of Q2 2026.
  • Xoma was a new Group One Trading position in Q2 2026.
  • Xoma made up ﹤0.01% of Group One Trading's portfolio in Q2 2026, its #4937 holding.
  • Group One Trading first reported a position in Xoma in Q2 2013 and has held it in 43 quarters since.
  • Group One Trading's Xoma position peaked at $1.01M in Q1 2014.
  • 98 funds tracked by Wall St. Rank held Xoma as of Q2 2026.

Based on Group One Trading's 13F filing for Q2 2026, filed 14 Aug 2026.