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XOMA

Xoma
XOMA

Delisted

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

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59 hedge funds and large institutions have $139M invested in Xoma in 2023 Q4 according to their latest regulatory filings, with 11 funds opening new positions, 14 increasing their positions, 20 reducing their positions, and 4 closing their positions.

New
Increased
Maintained
Reduced
Closed

175% more first-time investments, than exits

New positions opened: 11 | Existing positions closed: 4

113% more call options, than puts

Call options by funds: $211K | Put options by funds: $99K

100% more funds holding in top 10

Funds holding in top 10: 1 → 2 (+1)

29% more capital invested

Capital invested by funds: $108M → $139M (+$31.6M)

13% more funds holding

Funds holding: 52 → 59 (+7)

1.09% less ownership

Funds ownership: 66.61% → 65.52% (-1.1%)

30% less repeat investments, than reductions

Existing positions increased: 14 | Existing positions reduced: 20

Holders
59
Holders Change
+7
Holders Change %
+13.46%
% of All Funds
0.86%
Holding in Top 10
2
Holding in Top 10 Change
+1
Holding in Top 10 Change %
+100%
% of All Funds
0.03%
New
11
Increased
14
Reduced
20
Closed
4
Calls
$211K
Puts
$99K
Net Calls
+$112K
Net Calls Change
-$114K

Top Buyers

1
CM
CM Management
Florida
+$906K
2
WP
Woodline Partners
California
+$832K
3
BlackRock
BlackRock
New York
+$510K
4
Morgan Stanley
Morgan Stanley
New York
+$413K
5
Squarepoint
Squarepoint
New York
+$202K

Top Sellers

1
SCM
Stonepine Capital Management
Oregon
-$3.07M
2
MCM
Moore Capital Management
New York
-$734K
3
Fidelity Investments
Fidelity Investments
Massachusetts
-$478K
4
OM
Opaleye Management
Massachusetts
-$403K
5
American Century Companies
American Century Companies
Missouri
-$267K
Name Holding Trade Value Shares
Change 		Change in
Stake
BI
1
BVF Inc
California
$67.2M – – –
Fidelity Investments
2
Fidelity Investments
Massachusetts
$21.4M -$478K -29,011 -2%
BlackRock
3
BlackRock
New York
$9.04M +$510K +30,998 +7%
Vanguard Group
4
Vanguard Group
Pennsylvania
$7.8M +$113K +6,841 +2%
SCM
5
Stonepine Capital Management
Oregon
$4.63M -$3.07M -186,602 -43%
OM
6
Opaleye Management
Massachusetts
$4.63M -$403K -24,500 -9%
Geode Capital Management
7
Geode Capital Management
Massachusetts
$2.98M +$69.2K +4,205 +3%
AI
8
Acuitas Investments
Washington
$2.54M – – –
State Street
9
State Street
Massachusetts
$2.3M +$32.8K +1,990 +2%
TA
10
TLS Advisors
Florida
$2.23M -$3.29K -200 -0.2%
HS
11
HighVista Strategies
Massachusetts
$2.2M – – –
EP
12
Eversept Partners
New York
$1.73M +$62.2K +3,777 +4%
Northern Trust
13
Northern Trust
Illinois
$1.61M -$3.95K -240 -0.3%
Bank of New York Mellon
14
Bank of New York Mellon
New York
$1.16M -$1.15K -70 -0.1%
CM
15
CM Management
Florida
$1.02M +$906K +55,000 New
WP
16
Woodline Partners
California
$935K +$832K +50,559 New
RC
17
RBF Capital
California
$611K -$29.3K -1,782 -5%
Morgan Stanley
18
Morgan Stanley
New York
$575K +$413K +25,092 +418%
Millennium Management
19
Millennium Management
New York
$524K +$4.51K +274 +1%
BCM
20
Bridgeway Capital Management
Texas
$492K – – –
Citadel Advisors
21
Citadel Advisors
Florida
$491K -$25.9K -1,576 -6%
Dimensional Fund Advisors
22
Dimensional Fund Advisors
Texas
$472K -$47.1K -2,860 -10%
DMKJ
23
David M. Knott Jr
$365K – – –
Charles Schwab
24
Charles Schwab
California
$362K – – –
Squarepoint
25
Squarepoint
New York
$227K +$202K +12,274 New
1
2 3

XOMA Hedge Fund Activity: Q4 2023 in Review

59 of the 6,859 institutional investors tracked by Wall St. Rank reported a position in Xoma (XOMA) for Q4 2023, worth a combined $139M — up 29% from $108M a quarter earlier.

Buyers outnumbered sellers: 11 funds opened new XOMA positions and 4 closed out — a net gain of 7 holders — while 14 added to existing stakes and 20 trimmed.

The largest buyer was CM Management, opening a new position worth an estimated $906K. The largest seller was Stonepine Capital Management, cutting an estimated $3.07M.

  • 59 institutional investors held Xoma (XOMA) as of Q4 2023, up from 52 in Q3 2023.
  • Funds reported $139M of Xoma stock for Q4 2023, up 29% quarter-over-quarter.
  • 11 funds opened new Xoma positions in Q4 2023 and 4 closed out, a net change of +7 holders.
  • The largest Xoma buyer in Q4 2023 was CM Management, an estimated $906K added.
  • The largest Xoma seller in Q4 2023 was Stonepine Capital Management, an estimated $3.07M sold.

Based on aggregated 13F filings for Q4 2023.