TRCT
XOMA

Tower Research Capital (TRC)’s Xoma XOMA Stock Holding History

Tower Research Capital (TRC)’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 		$17.9K Buy
572
+103
+22% +$2.76K ﹤0.01% 3554
2025
Q4 		$12.5K Buy
469
+61
+15% +$1.96K ﹤0.01% 3474
2025
Q3 		$15.7K Sell
408
-1,865
-82% -$57.9K ﹤0.01% 3526
2025
Q2 		$57.3K Buy
2,273
+1,523
+203% +$36.5K ﹤0.01% 2850
2025
Q1 		$14.9K Buy
750
+296
+65% +$7.13K ﹤0.01% 3252
2024
Q4 		$11.9K Sell
454
-102
-18% -$2.98K ﹤0.01% 3668
2024
Q3 		$14.7K Sell
556
-1,725
-76% -$46.7K ﹤0.01% 3444
2024
Q2 		$54K Buy
2,281
+1,861
+443% +$46.5K ﹤0.01% 3044
2024
Q1 		$10.1K Sell
420
-231
-35% -$5.18K ﹤0.01% 3745
2023
Q4 		$12K Sell
651
-131
-17% -$2.16K ﹤0.01% 4080
2023
Q3 		$11K Sell
782
-3,833
-83% -$60.1K ﹤0.01% 4048
2023
Q2 		$87.2K Buy
4,615
+3,394
+278% +$63.6K ﹤0.01% 2133
2023
Q1 		$26K Sell
1,221
-5,396
-82% -$113K ﹤0.01% 3180
2022
Q4 		$121K Buy
6,617
+3,600
+119% +$65.4K 0.01% 1685
2022
Q3 		$54K Buy
3,017
+2,826
+1,480% +$58.2K ﹤0.01% 3103
2022
Q2 		$4K Sell
191
-698
-79% -$14.3K ﹤0.01% 5268
2022
Q1 		$25K Buy
889
+306
+52% +$6.98K ﹤0.01% 3340
2021
Q4 		$12K Sell
583
-612
-51% -$14.3K ﹤0.01% 4337
2021
Q3 		$29K Buy
1,195
+726
+155% +$21.4K ﹤0.01% 3404
2021
Q2 		$16K Sell
469
-6
-1% -$201 ﹤0.01% 4092
2021
Q1 		$19K Sell
475
-249
-34% -$9.63K ﹤0.01% 3931
2020
Q4 		$32K Sell
724
-4,368
-86% -$132K ﹤0.01% 3522
2020
Q3 		$96K Buy
5,092
+2,172
+74% +$40.7K ﹤0.01% 3177
2020
Q2 		$58K Buy
+2,920
New +$64.1K ﹤0.01% 2942
2020
Q1 		– Sell
-159
Closed -$4K – 4016
2019
Q4 		$4K Buy
+159
New +$3.56K ﹤0.01% 2830
2019
Q3 		– Sell
-485
Closed -$7K – 4564
2019
Q2 		$7K Sell
485
-6,615
-93% -$99.3K ﹤0.01% 2796
2019
Q1 		$88K Buy
7,100
+6,938
+4,283% +$94.9K 0.01% 1489
2018
Q4 		$2K Sell
162
-455
-74% -$6.51K ﹤0.01% 3457
2018
Q3 		$11K Buy
617
+543
+734% +$10.9K ﹤0.01% 2725
2018
Q2 		$2K Sell
74
-367
-83% -$8.35K ﹤0.01% 3389
2018
Q1 		$9K Sell
441
-113
-20% -$3.16K ﹤0.01% 2512
2017
Q4 		$20K Buy
+554
New +$15K ﹤0.01% 2083
2017
Q3 		– Sell
-340
Closed -$2K – 4198
2017
Q2 		$2K Buy
340
+40
+13% +$266 ﹤0.01% 2378
2017
Q1 		$2K Sell
300
-1,304
-81% -$6.7K ﹤0.01% 2677
2016
Q4 		$7K Buy
+1,604
New +$9.95K ﹤0.01% 2879
2016
Q3 		– Sell
-1,497
Closed -$16K – 4551
2016
Q2 		$16K Buy
+1,497
New +$21.5K ﹤0.01% 2428
2016
Q1 		– Sell
-156
Closed -$4K – 5045
2015
Q4 		$4K Buy
+156
New +$3.98K ﹤0.01% 3274
2015
Q3 		– Sell
-259
Closed -$20K – 4876
2015
Q2 		$20K Sell
259
-853
-77% -$61.4K ﹤0.01% 2111
2015
Q1 		$81K Buy
1,112
+962
+641% +$70.6K 0.01% 1071
2014
Q4 		$11K Sell
150
-358
-70% -$30.7K ﹤0.01% 2088
2014
Q3 		$43K Buy
+508
New +$43.3K ﹤0.01% 1663
2014
Q2 		– Sell
-330
Closed -$34K – 4714
2014
Q1 		$34K Buy
330
+241
+271% +$35K ﹤0.01% 1383
2013
Q4 		$12K Buy
89
+78
+709% +$7.86K ﹤0.01% 2843
2013
Q3 		$1K Sell
11
-14
-56% -$1.27K ﹤0.01% 4358
2013
Q2 		$2K Buy
+25
New +$1.86K ﹤0.01% 3532

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

Tower Research Capital (TRC)'s XOMA Position: Q1 2026 in Review

Tower Research Capital (TRC) increased its Xoma (XOMA) stake by 22% in Q1 2026, buying an estimated $2.76K and bringing the position to 572 shares worth $17.9K. The position accounts for ﹤0.01% of the portfolio, ranked #3554.

Tower Research Capital (TRC) first reported a position in XOMA in Q2 2013 and has held it in 45 quarters since. The position peaked at $121K in Q4 2022. 85 funds tracked by Wall St. Rank hold XOMA as of Q1 2026.

  • Tower Research Capital (TRC) held 572 shares of Xoma worth $17.9K as of Q1 2026.
  • Tower Research Capital (TRC) bought 103 Xoma shares in Q1 2026, an estimated $2.76K.
  • Xoma made up ﹤0.01% of Tower Research Capital (TRC)'s portfolio in Q1 2026, its #3554 holding.
  • Tower Research Capital (TRC) first reported a position in Xoma in Q2 2013 and has held it in 45 quarters since.
  • Tower Research Capital (TRC)'s Xoma position peaked at $121K in Q4 2022.
  • 85 funds tracked by Wall St. Rank held Xoma as of Q1 2026.

Based on Tower Research Capital (TRC)'s 13F filing for Q1 2026, filed 15 May 2026.