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XOMA

Xoma
XOMA

Delisted

XOMA was delisted on the 13th of July, 2026.

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50 hedge funds and large institutions have $149M invested in Xoma in 2023 Q1 according to their latest regulatory filings, with 8 funds opening new positions, 18 increasing their positions, 11 reducing their positions, and 6 closing their positions.

New
Increased
Maintained
Reduced
Closed

167% more call options, than puts

Call options by funds: $40K | Put options by funds: $15K

64% more repeat investments, than reductions

Existing positions increased: 18 | Existing positions reduced: 11

33% more first-time investments, than exits

New positions opened: 8 | Existing positions closed: 6

23% more capital invested

Capital invested by funds: $121M → $149M (+$28M)

4% more funds holding

Funds holding: 48 → 50 (+2)

4.13% more ownership

Funds ownership: 57.42% → 61.55% (+4.1%)

0% more funds holding in top 10

Funds holding in top 10: 2 → 2 (0)

Holders
50
Holders Change
+2
Holders Change %
+4.17%
% of All Funds
0.8%
Holding in Top 10
2
Holding in Top 10 Change
–
Holding in Top 10 Change %
–
% of All Funds
0.03%
New
8
Increased
18
Reduced
11
Closed
6
Calls
$40K
Puts
$15K
Net Calls
+$25K
Net Calls Change
+$10K

Top Buyers

Rank Fund Capital Flow
1
SCM
Stonepine Capital Management
Oregon
+$5.33M
2
HS
HighVista Strategies
Massachusetts
+$1.96M
3
Vanguard Group
Vanguard Group
Pennsylvania
+$1.67M
4
Millennium Management
Millennium Management
New York
+$856K
5
Goldman Sachs
Goldman Sachs
New York
+$692K

Top Sellers

Rank Fund Capital Flow
1
RCMNY
Rubric Capital Management (New York)
New York
-$3.81M
2
Morgan Stanley
Morgan Stanley
New York
-$457K
3
Fidelity Investments
Fidelity Investments
Massachusetts
-$271K
4
AI
Acuitas Investments
Washington
-$157K
5
TRCT
Tower Research Capital (TRC)
New York
-$113K

XOMA Hedge Fund Activity: Q1 2023 in Review

50 of the 6,283 institutional investors tracked by Wall St. Rank reported a position in Xoma (XOMA) for Q1 2023, worth a combined $149M — up 23% from $121M a quarter earlier.

Buyers outnumbered sellers: 8 funds opened new XOMA positions and 6 closed out — a net gain of 2 holders — while 18 added to existing stakes and 11 trimmed.

The largest buyer was Stonepine Capital Management, adding an estimated $5.33M. The largest seller was Rubric Capital Management (New York), exiting entirely with an estimated $3.81M sold.

  • 50 institutional investors held Xoma (XOMA) as of Q1 2023, up from 48 in Q4 2022.
  • Funds reported $149M of Xoma stock for Q1 2023, up 23% quarter-over-quarter.
  • 8 funds opened new Xoma positions in Q1 2023 and 6 closed out, a net change of +2 holders.
  • The largest Xoma buyer in Q1 2023 was Stonepine Capital Management, an estimated $5.33M added.
  • The largest Xoma seller in Q1 2023 was Rubric Capital Management (New York), an estimated $3.81M sold.

Based on aggregated 13F filings for Q1 2023.