RC
XOMA

RBF Capital’s Xoma XOMA Stock Holding History

RBF Capital’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 		$1.27M Hold
30,000
– – 0.05% 270
2026
Q1 		$941K Hold
30,000
– – 0.05% 296
2025
Q4 		$798K Sell
30,000
-616
-2% -$19.8K 0.04% 335
2025
Q3 		$1.18M Hold
30,616
– – 0.05% 292
2025
Q2 		$772K Hold
30,616
– – 0.04% 351
2025
Q1 		$610K Hold
30,616
– – 0.04% 363
2024
Q4 		$805K Hold
30,616
– – 0.04% 324
2024
Q3 		$811K Hold
30,616
– – 0.04% 326
2024
Q2 		$725K Hold
30,616
– – 0.04% 321
2024
Q1 		$736K Sell
30,616
-2,389
-7% -$53.5K 0.04% 336
2023
Q4 		$611K Sell
33,005
-1,782
-5% -$29.3K 0.04% 354
2023
Q3 		$490K Hold
34,787
– – 0.03% 357
2023
Q2 		$657K Hold
34,787
– – 0.04% 325
2023
Q1 		$734K Hold
34,787
– – 0.05% 281
2022
Q4 		$640K Hold
34,787
– – 0.05% 303
2022
Q3 		$623K Sell
34,787
-5,000
-13% -$103K 0.05% 297
2022
Q2 		$886K Buy
39,787
+5,000
+14% +$103K 0.06% 274
2022
Q1 		$912K Hold
34,787
– – 0.06% 289
2021
Q4 		$725K Hold
34,787
– – 0.04% 314
2021
Q3 		$861K Hold
34,787
– – 0.05% 287
2021
Q2 		$1.18M Hold
34,787
– – 0.07% 249
2021
Q1 		$1.42M Hold
34,787
– – 0.09% 200
2020
Q4 		$1.53M Hold
34,787
– – 0.12% 151
2020
Q3 		$655K Hold
34,787
– – 0.07% 216
2020
Q2 		$687K Hold
34,787
– – 0.07% 211
2020
Q1 		$708K Hold
34,787
– – 0.09% 181
2019
Q4 		$950K Buy
34,787
+2,184
+7% +$48.9K 0.09% 190
2019
Q3 		$643K Sell
32,603
-66,897
-67% -$1.2M 0.07% 205
2019
Q2 		$1.48M Buy
+99,500
New +$1.49M 0.15% 127

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

RBF Capital's XOMA Position: Q2 2026 in Review

RBF Capital held its Xoma (XOMA) position steady in Q2 2026 at 30,000 shares worth $1.27M. The position accounts for 0.05% of the portfolio, ranked #270.

RBF Capital first reported a position in XOMA in Q2 2019 and has held it in 29 quarters since. The position peaked at $1.53M in Q4 2020. 98 funds tracked by Wall St. Rank hold XOMA as of Q2 2026.

  • RBF Capital held 30,000 shares of Xoma worth $1.27M as of Q2 2026.
  • RBF Capital left its Xoma share count unchanged in Q2 2026.
  • Xoma made up 0.05% of RBF Capital's portfolio in Q2 2026, its #270 holding.
  • RBF Capital first reported a position in Xoma in Q2 2019 and has held it in 29 quarters since.
  • RBF Capital's Xoma position peaked at $1.53M in Q4 2020.
  • 98 funds tracked by Wall St. Rank held Xoma as of Q2 2026.

Based on RBF Capital's 13F filing for Q2 2026, filed 14 Aug 2026.