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 		– Sell
-4,000
Closed -$125K – 8638
2026
Q1 		$125K Buy
4,000
+3,200
+400% +$85.7K ﹤0.01% 4524
2025
Q4 		$21.3K Buy
+800
New +$25.7K ﹤0.01% 6297
2023
Q4 		– Sell
-500
Closed -$7.04K – 8301
2023
Q3 		$7.04K Buy
+500
New +$7.84K ﹤0.01% 6539
2022
Q4 		– Sell
-7,400
Closed -$133K – 8205
2022
Q3 		$133K Sell
7,400
-10,700
-59% -$220K ﹤0.01% 4516
2022
Q2 		$403K Buy
+18,100
New +$372K ﹤0.01% 3631
2017
Q1 		– Sell
-139,700
Closed -$590K – 5055
2016
Q4 		$590K Buy
139,700
+132,310
+1,790% +$821K 0.01% 1661
2016
Q3 		$68K Buy
7,390
+3,515
+91% +$40.4K ﹤0.01% 3164
2016
Q2 		$43K Sell
3,875
-1,490
-28% -$21.4K ﹤0.01% 3400
2016
Q1 		$83K Sell
5,365
-4,005
-43% -$72.2K ﹤0.01% 2954
2015
Q4 		$249K Buy
9,370
+3,105
+50% +$79.3K ﹤0.01% 2329
2015
Q3 		$94K Sell
6,265
-8,475
-57% -$267K ﹤0.01% 3085
2015
Q2 		$1.14M Buy
14,740
+9,175
+165% +$661K 0.02% 1118
2015
Q1 		$405K Sell
5,565
-7,090
-56% -$520K 0.01% 1783
2014
Q4 		$909K Sell
12,655
-1,135
-8% -$97.3K 0.01% 1132
2014
Q3 		$1.16M Buy
13,790
+1,875
+16% +$160K 0.02% 1001
2014
Q2 		$1.09M Buy
11,915
+930
+8% +$80.7K 0.02% 1074
2014
Q1 		$1.15M Buy
10,985
+5,955
+118% +$865K 0.02% 985
2013
Q4 		$677K Buy
5,030
+1,940
+63% +$196K 0.01% 1417
2013
Q3 		$277K Buy
3,090
+1,185
+62% +$108K 0.01% 2105
2013
Q2 		$138K Buy
+1,905
New +$142K ﹤0.01% 2507

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.