Prelude Capital Management’s Xoma XOMA Stock Holding History

Prelude Capital Management’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	$258K	Buy	+6,066	New	+$246K	0.02%	856
2017 Q4	–	Sell	-900	Closed	-$18K	–	1764
2017 Q3	$18K	Sell	900 -4,000	-82%	-$44.7K	﹤0.01%	1342
2017 Q2	$34K	Buy	+4,900	New	+$32.6K	﹤0.01%	1120
2017 Q1	–	Sell	-24,600	Closed	-$104K	–	1818
2016 Q4	$104K	Buy	24,600 +23,580	+2,312%	+$146K	0.01%	815
2016 Q3	$9K	Sell	1,020 -1,095	-52%	-$12.6K	﹤0.01%	1442
2016 Q2	$23K	Buy	+2,115	New	+$30.3K	﹤0.01%	1234
2015 Q4	–	Sell	-4,190	Closed	-$63K	–	1716
2015 Q3	$63K	Buy	+4,190	New	+$132K	0.01%	983
2014 Q3	–	Sell	-1,045	Closed	-$96K	–	2172
2014 Q2	$96K	Sell	1,045 -21	-2%	-$1.82K	0.01%	1110
2014 Q1	$111K	Sell	1,066 -5,184	-83%	-$753K	0.01%	988
2013 Q4	$841K	Buy	+6,250	New	+$630K	0.14%	195

Other funds holding XOMA

BVF Inc San Francisco, California $3.91B AUM 304.52% 1-Year Est. Return

Morgan Stanley New York $1.89T AUM 35.08% 1-Year Est. Return

Fidelity Investments Boston, Massachusetts $2.3T AUM 54.33% 1-Year Est. Return

Woodline Partners San Francisco, California $32.4B AUM 58.5% 1-Year Est. Return

Newtyn Management New York $801M AUM 23.14% 1-Year Est. Return

BlackRock New York $6.73T AUM 46.02% 1-Year Est. Return

Vanguard Capital Management Malvern, Pennsylvania $4.68T AUM

Opaleye Management Boston, Massachusetts $1.1B AUM 197.64% 1-Year Est. Return

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

Prelude Capital Management's XOMA Position: Q2 2026 in Review

Prelude Capital Management opened a new position in Xoma (XOMA) in Q2 2026: 6,066 shares worth $258K. The stake represents 0.02% of the portfolio and ranks #856 among its holdings. This is a return to the name: Prelude Capital Management previously reported a position in XOMA as recently as Q3 2017.

Prelude Capital Management first reported a position in XOMA in Q4 2013 and has held it in 10 quarters since. The position peaked at $841K in Q4 2013. 98 funds tracked by Wall St. Rank hold XOMA as of Q2 2026.

Prelude Capital Management held 6,066 shares of Xoma worth $258K as of Q2 2026.
Xoma was a new Prelude Capital Management position in Q2 2026.
Xoma made up 0.02% of Prelude Capital Management's portfolio in Q2 2026, its #856 holding.
Prelude Capital Management first reported a position in Xoma in Q4 2013 and has held it in 10 quarters since.
Prelude Capital Management's Xoma position peaked at $841K in Q4 2013.
98 funds tracked by Wall St. Rank held Xoma as of Q2 2026.

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