Simplex Trading
XOMA

Simplex Trading’s Xoma XOMA Stock Holding History

Simplex 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
Q1 		$6.27K Buy
200
+100
+100% +$2.68K ﹤0.01% 7732
2025
Q4 		$2.66K Sell
100
-200
-67% -$6.44K ﹤0.01% 7733
2025
Q3 		$11K Buy
+300
New +$9.32K ﹤0.01% 7846
2024
Q2 		– Sell
-100
Closed -$2K – 9984
2024
Q1 		$2K Sell
100
-2,900
-97% -$65K ﹤0.01% 8483
2023
Q4 		$55K Buy
+3,000
New +$49.4K ﹤0.01% 6001
2022
Q1 		– Sell
-2,000
Closed -$41K – 11540
2021
Q4 		$41K Buy
+2,000
New +$46.8K ﹤0.01% 7509
2016
Q4 		– Sell
-4
Closed -$7K – 6646
2016
Q3 		$7K Hold
4
– – ﹤0.01% 4004
2016
Q2 		$5K Buy
4
+3
+300% +$43 ﹤0.01% 4291
2016
Q1 		$4K Hold
1
– – ﹤0.01% 4320
2015
Q4 		$5K Sell
1
-7
-88% -$179 ﹤0.01% 3916
2015
Q3 		$37K Sell
8
-5
-38% -$158 ﹤0.01% 2240
2015
Q2 		$22K Sell
13
-4
-24% -$288 ﹤0.01% 2384
2015
Q1 		$24K Buy
17
+9
+113% +$661 ﹤0.01% 2184
2014
Q4 		$26K Buy
+8
New +$686 ﹤0.01% 1863

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

Simplex Trading's XOMA Position: Q1 2026 in Review

Simplex Trading sold out of Xoma (XOMA) in Q1 2026, closing a stake of 173 shares — an estimated $4.63K sold.

Simplex Trading first reported a position in XOMA in Q4 2014 and held it in 12 quarters. The position peaked at $424K in Q2 2015. 85 funds tracked by Wall St. Rank hold XOMA as of Q1 2026.

  • Simplex Trading reported no remaining Xoma position as of Q1 2026 after selling out during the quarter.
  • Simplex Trading sold 173 Xoma shares in Q1 2026, an estimated $4.63K.
  • Simplex Trading first reported a position in Xoma in Q4 2014 and held it in 12 quarters.
  • Simplex Trading's Xoma position peaked at $424K in Q2 2015.
  • 85 funds tracked by Wall St. Rank held Xoma as of Q1 2026.

Based on Simplex Trading's 13F filing for Q1 2026, filed 14 May 2026.