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 		$90.9K Buy
+2,139
New +$86.7K ﹤0.01% 4937
2025
Q3 		– Sell
-900
Closed -$22.7K – 9276
2025
Q2 		$22.7K Hold
900
– – ﹤0.01% 6181
2025
Q1 		$17.9K Buy
900
+500
+125% +$12K ﹤0.01% 5893
2024
Q4 		$10.5K Hold
400
– – ﹤0.01% 6079
2024
Q3 		$10.6K Sell
400
-100
-20% -$2.71K ﹤0.01% 5572
2024
Q2 		$11.8K Buy
+500
New +$12.5K ﹤0.01% 5554
2023
Q1 		– Sell
-100
Closed -$1.84K – 8056
2022
Q4 		$1.84K Sell
100
-1,201
-92% -$21.8K ﹤0.01% 6679
2022
Q3 		$23K Buy
1,301
+601
+86% +$12.4K ﹤0.01% 5986
2022
Q2 		$16K Buy
700
+600
+600% +$12.3K ﹤0.01% 6474
2022
Q1 		$3K Sell
100
-16
-14% -$365 ﹤0.01% 7663
2021
Q4 		$2K Hold
116
– – ﹤0.01% 7918
2021
Q3 		$3K Hold
116
– – ﹤0.01% 7901
2021
Q2 		$4K Hold
116
– – ﹤0.01% 7843
2021
Q1 		$5K Hold
116
– – ﹤0.01% 7252
2020
Q4 		$5K Hold
116
– – ﹤0.01% 6044
2020
Q3 		$2K Hold
116
– – ﹤0.01% 5844
2020
Q2 		$2K Hold
116
– – ﹤0.01% 5584
2020
Q1 		$2K Hold
116
– – ﹤0.01% 5011
2019
Q4 		$3K Hold
116
– – ﹤0.01% 4855
2019
Q3 		$2K Hold
116
– – ﹤0.01% 4933
2019
Q2 		$2K Hold
116
– – ﹤0.01% 4774
2019
Q1 		$1K Hold
116
– – ﹤0.01% 4677
2018
Q4 		$1K Buy
116
+11
+10% +$157 ﹤0.01% 4755
2018
Q3 		$2K Hold
105
– – ﹤0.01% 5037
2018
Q2 		$2K Hold
105
– – ﹤0.01% 4962
2018
Q1 		$2K Hold
105
– – ﹤0.01% 4656
2017
Q4 		$4K Hold
105
– – ﹤0.01% 4621
2017
Q3 		$2K Hold
105
– – ﹤0.01% 4654
2017
Q2 		$1K Hold
105
– – ﹤0.01% 4653
2017
Q1 		$1K Sell
105
-7,936
-99% -$40.8K ﹤0.01% 4522
2016
Q4 		$34K Buy
8,041
+86
+1% +$534 ﹤0.01% 3470
2016
Q3 		$73K Buy
7,955
+5,259
+195% +$60.5K ﹤0.01% 3123
2016
Q2 		$30K Sell
2,696
-385
-12% -$5.52K ﹤0.01% 3607
2016
Q1 		$48K Sell
3,081
-267
-8% -$4.81K ﹤0.01% 3272
2015
Q4 		$89K Sell
3,348
-4,913
-59% -$125K ﹤0.01% 3054
2015
Q3 		$124K Sell
8,261
-4,585
-36% -$145K ﹤0.01% 2889
2015
Q2 		$997K Buy
12,846
+8,774
+215% +$632K 0.01% 1206
2015
Q1 		$296K Buy
4,072
+174
+4% +$12.8K ﹤0.01% 2049
2014
Q4 		$280K Sell
3,898
-5,541
-59% -$475K ﹤0.01% 2026
2014
Q3 		$795K Buy
+9,439
New +$805K 0.01% 1264
2014
Q2 		– Sell
-9,658
Closed -$838K – 5541
2014
Q1 		$1.01M Buy
+9,658
New +$1.4M 0.02% 1084
2013
Q4 		– Sell
-8,243
Closed -$831K – 5586
2013
Q3 		$739K Buy
8,243
+5,990
+266% +$545K 0.01% 1255
2013
Q2 		$164K Buy
+2,253
New +$168K ﹤0.01% 2359

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.