Xoma
XOMA
XOMA was delisted on the 13th of July, 2026.
85 hedge funds and large institutions have $313M invested in Xoma in 2026 Q1 according to their latest regulatory filings, with 21 funds opening new positions, 28 increasing their positions, 16 reducing their positions, and 9 closing their positions.
33,783% more call options, than puts
Call options by funds: $2.03M | Put options by funds: $6K
133% more first-time investments, than exits
New positions opened: 21 | Existing positions closed: 9
75% more repeat investments, than reductions
Existing positions increased: 28 | Existing positions reduced: 16
36% more capital invested
Capital invested by funds: $230M → $313M (+$83.2M)
15% more funds holding
Funds holding: 74 → 85 (+11)
14.18% more ownership
Funds ownership: 69.72% → 83.9% (+14%)
0% more funds holding in top 10
Funds holding in top 10: 1 → 1 (0)
Top Buyers
| 1 |
WP
Woodline Partners
San Francisco,
California
|
+$10.1M |
| 2 |
GKIM
GW&K Investment Management
Boston,
Massachusetts
|
+$6.22M |
| 3 |
Millennium Management
New York
|
+$5.49M |
| 4 |
Fidelity Investments
Boston,
Massachusetts
|
+$3.78M |
| 5 |
Citadel Advisors
Miami,
Florida
|
+$2.64M |
Top Sellers
XOMA Hedge Fund Activity: Q1 2026 in Review
85 of the 8,125 institutional investors tracked by Wall St. Rank reported a position in Xoma (XOMA) for Q1 2026, worth a combined $313M — up 36% from $230M a quarter earlier.
Buyers outnumbered sellers: 21 funds opened new XOMA positions and 9 closed out — a net gain of 12 holders — while 28 added to existing stakes and 16 trimmed.
The largest buyer was Woodline Partners, adding an estimated $10.1M. The largest seller was HighVista Strategies, cutting an estimated $1.77M.
- 85 institutional investors held Xoma (XOMA) as of Q1 2026, up from 74 in Q4 2025.
- Funds reported $313M of Xoma stock for Q1 2026, up 36% quarter-over-quarter.
- 21 funds opened new Xoma positions in Q1 2026 and 9 closed out, a net change of +12 holders.
- The largest Xoma buyer in Q1 2026 was Woodline Partners, an estimated $10.1M added.
- The largest Xoma seller in Q1 2026 was HighVista Strategies, an estimated $1.77M sold.
Based on aggregated 13F filings for Q1 2026.