Xoma
XOMA
XOMA was delisted on the 13th of July, 2026.
98 hedge funds and large institutions have $724M invested in Xoma in 2026 Q2 according to their latest regulatory filings, with 29 funds opening new positions, 26 increasing their positions, 22 reducing their positions, and 15 closing their positions.
200% more funds holding in top 10
Funds holding in top 10: 1 → 3 (+2)
131% more capital invested
Capital invested by funds: $313M → $724M (+$410M)
93% more first-time investments, than exits
New positions opened: 29 | Existing positions closed: 15
18% more repeat investments, than reductions
Existing positions increased: 26 | Existing positions reduced: 22
15% more funds holding
Funds holding: 85 → 98 (+13)
12.44% more ownership
Funds ownership: 83.9% → 96.34% (+12%)
88% less call options, than puts
Call options by funds: $1.39M | Put options by funds: $11.5M
Top Buyers
| Rank | Fund | Capital Flow |
|---|---|---|
| 1 |
BI
BVF Inc
San Francisco,
California
|
+$203M |
| 2 |
NM
Newtyn Management
New York
|
+$28.8M |
| 3 |
WP
Woodline Partners
San Francisco,
California
|
+$19.2M |
| 4 |
Fidelity Investments
Boston,
Massachusetts
|
+$12.3M |
| 5 |
WIC
Water Island Capital
New York
|
+$9.81M |
Top Sellers
| Rank | Fund | Capital Flow |
|---|---|---|
| 1 |
GKIM
GW&K Investment Management
Boston,
Massachusetts
|
-$7.28M |
| 2 |
TA
TLS Advisors
Miami,
Florida
|
-$2.95M |
| 3 |
Citadel Advisors
Miami,
Florida
|
-$2.85M |
| 4 |
SCM
Stonepine Capital Management
Bend,
Oregon
|
-$2.18M |
| 5 |
UBS Group
Zurich,
Switzerland
|
-$1.97M |
XOMA Hedge Fund Activity: Q2 2026 in Review
98 of the 8,317 institutional investors tracked by Wall St. Rank reported a position in Xoma (XOMA) for Q2 2026, worth a combined $724M — up 131% from $313M a quarter earlier.
Buyers outnumbered sellers: 29 funds opened new XOMA positions and 15 closed out — a net gain of 14 holders — while 26 added to existing stakes and 22 trimmed.
The largest buyer was BVF Inc, adding an estimated $203M. The largest seller was GW&K Investment Management, exiting entirely with an estimated $7.28M sold.
- 98 institutional investors held Xoma (XOMA) as of Q2 2026, up from 85 in Q1 2026.
- Funds reported $724M of Xoma stock for Q2 2026, up 131% quarter-over-quarter.
- 29 funds opened new Xoma positions in Q2 2026 and 15 closed out, a net change of +14 holders.
- The largest Xoma buyer in Q2 2026 was BVF Inc, an estimated $203M added.
- The largest Xoma seller in Q2 2026 was GW&K Investment Management, an estimated $7.28M sold.
Based on aggregated 13F filings for Q2 2026.