Vanguard Group
XOMA

Vanguard Group’s Xoma XOMA Stock Holding History

Vanguard 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
2025
Q4 		$18.7M Buy
701,657
+33,546
+5% +$1.08M ﹤0.01% 2646
2025
Q3 		$25.7M Buy
668,111
+29,298
+5% +$910K ﹤0.01% 2500
2025
Q2 		$16.1M Buy
638,813
+179,725
+39% +$4.3M ﹤0.01% 2655
2025
Q1 		$9.15M Sell
459,088
-4,752
-1% -$114K ﹤0.01% 2896
2024
Q4 		$12.2M Buy
463,840
+41,446
+10% +$1.21M ﹤0.01% 2843
2024
Q3 		$11.2M Buy
422,394
+6,245
+2% +$169K ﹤0.01% 2904
2024
Q2 		$9.86M Buy
416,149
+10,616
+3% +$265K ﹤0.01% 2934
2024
Q1 		$9.75M Sell
405,533
-15,941
-4% -$357K ﹤0.01% 2974
2023
Q4 		$7.8M Buy
421,474
+6,841
+2% +$113K ﹤0.01% 3083
2023
Q3 		$5.84M Buy
414,633
+3,223
+0.8% +$50.5K ﹤0.01% 3179
2023
Q2 		$7.77M Buy
411,410
+28,535
+7% +$535K ﹤0.01% 3090
2023
Q1 		$8.08M Buy
382,875
+79,475
+26% +$1.67M ﹤0.01% 3057
2022
Q4 		$5.58M Buy
303,400
+11,722
+4% +$213K ﹤0.01% 3254
2022
Q3 		$5.22M Sell
291,678
-88,055
-23% -$1.81M ﹤0.01% 3302
2022
Q2 		$8.46M Sell
379,733
-25,385
-6% -$521K ﹤0.01% 3083
2022
Q1 		$11.3M Sell
405,118
-1,738
-0.4% -$39.7K ﹤0.01% 3083
2021
Q4 		$8.48M Buy
406,856
+1,452
+0.4% +$34K ﹤0.01% 3309
2021
Q3 		$10M Buy
405,404
+14,469
+4% +$426K ﹤0.01% 3243
2021
Q2 		$13.3M Buy
390,935
+1,903
+0.5% +$63.7K ﹤0.01% 3058
2021
Q1 		$15.9M Sell
389,032
-26,455
-6% -$1.02M ﹤0.01% 2907
2020
Q4 		$18.3M Buy
415,487
+75,842
+22% +$2.29M ﹤0.01% 2678
2020
Q3 		$6.4M Buy
339,645
+34,453
+11% +$646K ﹤0.01% 3021
2020
Q2 		$6.03M Sell
305,192
-34,147
-10% -$749K ﹤0.01% 3020
2020
Q1 		$6.91M Buy
339,339
+57,797
+21% +$1.33M ﹤0.01% 2803
2019
Q4 		$7.69M Buy
281,542
+34,464
+14% +$771K ﹤0.01% 2983
2019
Q3 		$4.82M Buy
247,078
+5,884
+2% +$106K ﹤0.01% 3146
2019
Q2 		$3.58M Sell
241,194
-15,780
-6% -$237K ﹤0.01% 3282
2019
Q1 		$3.18M Sell
256,974
-105,350
-29% -$1.44M ﹤0.01% 3305
2018
Q4 		$4.58M Buy
362,324
+51,231
+16% +$733K ﹤0.01% 3117
2018
Q3 		$5.47M Buy
311,093
+3,167
+1% +$63.5K ﹤0.01% 3200
2018
Q2 		$6.43M Buy
307,926
+45,551
+17% +$1.04M ﹤0.01% 3115
2018
Q1 		$5.31M Buy
262,375
+53,328
+26% +$1.49M ﹤0.01% 3126
2017
Q4 		$7.44M Buy
209,047
+336
+0.2% +$9.11K ﹤0.01% 2967
2017
Q3 		$4.1M Buy
208,711
+64,111
+44% +$716K ﹤0.01% 3190
2017
Q2 		$1.01M Sell
144,600
-62,138
-30% -$413K ﹤0.01% 3565
2017
Q1 		$1.47M Buy
206,738
+12,474
+6% +$64.1K ﹤0.01% 3471
2016
Q4 		$819K Sell
194,264
-74,425
-28% -$462K ﹤0.01% 3620
2016
Q3 		$2.47M Buy
268,689
+2,594
+1% +$29.8K ﹤0.01% 3312
2016
Q2 		$2.93M Buy
266,095
+43,580
+20% +$625K ﹤0.01% 3221
2016
Q1 		$3.44M Buy
222,515
+45,955
+26% +$828K ﹤0.01% 3144
2015
Q4 		$4.7M Sell
176,560
-10,066
-5% -$257K ﹤0.01% 3009
2015
Q3 		$2.81M Buy
186,626
+15,267
+9% +$482K ﹤0.01% 3221
2015
Q2 		$13.3M Buy
171,359
+5,570
+3% +$401K ﹤0.01% 2532
2015
Q1 		$12.1M Buy
165,789
+33,862
+26% +$2.49M ﹤0.01% 2559
2014
Q4 		$9.47M Sell
131,927
-30,312
-19% -$2.6M ﹤0.01% 2562
2014
Q3 		$13.7M Buy
162,239
+8,275
+5% +$706K ﹤0.01% 2361
2014
Q2 		$14.1M Buy
153,964
+33,703
+28% +$2.92M ﹤0.01% 2360
2014
Q1 		$12.5M Sell
120,261
-513
-0.4% -$74.5K ﹤0.01% 2383
2013
Q4 		$16.3M Buy
120,774
+12,111
+11% +$1.22M ﹤0.01% 2244
2013
Q3 		$9.74M Sell
108,663
-7,298
-6% -$663K ﹤0.01% 2413
2013
Q2 		$8.42M Buy
+115,961
New +$8.63M ﹤0.01% 2404

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
OM
Opaleye Management Boston, Massachusetts $759M AUM 124.8% 1-Year Est. Return
WP
Woodline Partners San Francisco, California $26.4B AUM 44.85% 1-Year Est. Return
Geode Capital Management
Geode Capital Management Boston, Massachusetts $1.61T AUM 30.72% 1-Year Est. Return
State Street
State Street Boston, Massachusetts $2.9T AUM 29.55% 1-Year Est. Return
SCM
Stonepine Capital Management Bend, Oregon $250M AUM 77.6% 1-Year Est. Return
HS
HighVista Strategies Boston, Massachusetts $362M AUM 230.96% 1-Year Est. Return

Vanguard Group's XOMA Position: Q4 2025 in Review

Vanguard Group increased its Xoma (XOMA) stake by 5% in Q4 2025, buying an estimated $1.08M and bringing the position to 701,657 shares worth $18.7M. The position accounts for ﹤0.01% of the portfolio, ranked #2646.

Vanguard Group first reported a position in XOMA in Q2 2013 and has held it in 51 quarters since. The position peaked at $25.7M in Q3 2025. 74 funds tracked by Wall St. Rank hold XOMA as of Q4 2025.

  • Vanguard Group held 701,657 shares of Xoma worth $18.7M as of Q4 2025.
  • Vanguard Group bought 33,546 Xoma shares in Q4 2025, an estimated $1.08M.
  • Xoma made up ﹤0.01% of Vanguard Group's portfolio in Q4 2025, its #2646 holding.
  • Vanguard Group first reported a position in Xoma in Q2 2013 and has held it in 51 quarters since.
  • Vanguard Group's Xoma position peaked at $25.7M in Q3 2025.
  • 74 funds tracked by Wall St. Rank held Xoma as of Q4 2025.

Based on Vanguard Group's 13F filing for Q4 2025, filed 29 Jan 2026.