RhumbLine Advisers
XOMA

RhumbLine Advisers’s Xoma XOMA Stock Holding History

RhumbLine Advisers’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 		$367K Buy
11,705
+121
+1% +$3.24K ﹤0.01% 2801
2025
Q4 		$308K Sell
11,584
-1,587
-12% -$51.1K ﹤0.01% 2952
2025
Q3 		$508K Sell
13,171
-78
-0.6% -$2.42K ﹤0.01% 2690
2025
Q2 		$334K Buy
13,249
+2,019
+18% +$48.4K ﹤0.01% 2921
2025
Q1 		$224K Buy
11,230
+165
+1% +$3.97K ﹤0.01% 3054
2024
Q4 		$291K Buy
11,065
+1,699
+18% +$49.6K ﹤0.01% 3006
2024
Q3 		$248K Sell
9,366
-329
-3% -$8.91K ﹤0.01% 3128
2024
Q2 		$230K Buy
9,695
+1,334
+16% +$33.4K ﹤0.01% 3143
2024
Q1 		$201K Buy
8,361
+204
+3% +$4.57K ﹤0.01% 3176
2023
Q4 		$151K Sell
8,157
-205
-2% -$3.38K ﹤0.01% 3307
2023
Q3 		$118K Buy
8,362
+478
+6% +$7.5K ﹤0.01% 3407
2023
Q2 		$149K Buy
+7,884
New +$148K ﹤0.01% 3382
2021
Q3 		– Sell
-6,227
Closed -$212K – 3042
2021
Q2 		$212K Buy
6,227
+819
+15% +$27.4K ﹤0.01% 2911
2021
Q1 		$221K Sell
5,408
-100
-2% -$3.87K ﹤0.01% 2806
2020
Q4 		$243K Buy
+5,508
New +$166K ﹤0.01% 2763
2016
Q2 		– Sell
-5,647
Closed -$87K – 3029
2016
Q1 		$87K Buy
5,647
+106
+2% +$1.91K ﹤0.01% 2919
2015
Q4 		$147K Buy
5,541
+1,034
+23% +$26.4K ﹤0.01% 2884
2015
Q3 		$68K Sell
4,507
-85
-2% -$2.68K ﹤0.01% 2980
2015
Q2 		$356K Sell
4,592
-605
-12% -$43.6K ﹤0.01% 2542
2015
Q1 		$378K Buy
5,197
+1,050
+25% +$77.1K ﹤0.01% 2476
2014
Q4 		$298K Buy
4,147
+379
+10% +$32.5K ﹤0.01% 2587
2014
Q3 		$317K Sell
3,768
-225
-6% -$19.2K ﹤0.01% 2490
2014
Q2 		$367K Buy
3,993
+471
+13% +$40.9K ﹤0.01% 2471
2014
Q1 		$367K Buy
3,522
+55
+2% +$7.99K ﹤0.01% 2407
2013
Q4 		$467K Buy
3,467
+198
+6% +$20K ﹤0.01% 2299
2013
Q3 		$293K Buy
3,269
+152
+5% +$13.8K ﹤0.01% 2540
2013
Q2 		$226K Buy
+3,117
New +$232K ﹤0.01% 2892

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

RhumbLine Advisers's XOMA Position: Q1 2026 in Review

RhumbLine Advisers increased its Xoma (XOMA) stake by 1% in Q1 2026, buying an estimated $3.24K and bringing the position to 11,705 shares worth $367K. The position accounts for ﹤0.01% of the portfolio, ranked #2801.

RhumbLine Advisers first reported a position in XOMA in Q2 2013 and has held it in 27 quarters since. The position peaked at $508K in Q3 2025. 85 funds tracked by Wall St. Rank hold XOMA as of Q1 2026.

  • RhumbLine Advisers held 11,705 shares of Xoma worth $367K as of Q1 2026.
  • RhumbLine Advisers bought 121 Xoma shares in Q1 2026, an estimated $3.24K.
  • Xoma made up ﹤0.01% of RhumbLine Advisers's portfolio in Q1 2026, its #2801 holding.
  • RhumbLine Advisers first reported a position in Xoma in Q2 2013 and has held it in 27 quarters since.
  • RhumbLine Advisers's Xoma position peaked at $508K in Q3 2025.
  • 85 funds tracked by Wall St. Rank held Xoma as of Q1 2026.

Based on RhumbLine Advisers's 13F filing for Q1 2026, filed 12 May 2026.