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XOMA

Xoma
XOMA

Delisted

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

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64 hedge funds and large institutions have $156M invested in Xoma in 2025 Q1 according to their latest regulatory filings, with 6 funds opening new positions, 19 increasing their positions, 23 reducing their positions, and 7 closing their positions.

New
Increased
Maintained
Reduced
Closed

0% more funds holding in top 10

Funds holding in top 10: 2 → 2 (0)

0.82% less ownership

Funds ownership: 66.36% → 65.54% (-0.82%)

2% less funds holding

Funds holding: 65 → 64 (-1)

14% less first-time investments, than exits

New positions opened: 6 | Existing positions closed: 7

17% less repeat investments, than reductions

Existing positions increased: 19 | Existing positions reduced: 23

24% less capital invested

Capital invested by funds: $205M → $156M (-$48.4M)

83% less call options, than puts

Call options by funds: $4K | Put options by funds: $24K

Holders
64
Holders Change
-1
Holders Change %
-1.54%
% of All Funds
0.86%
Holding in Top 10
2
Holding in Top 10 Change
–
Holding in Top 10 Change %
–
% of All Funds
0.03%
New
6
Increased
19
Reduced
23
Closed
7
Calls
$4K
Puts
$24K
Net Calls
-$20K
Net Calls Change
+$16K

Top Buyers

1
Morgan Stanley
Morgan Stanley
New York
+$19.4M
2
Marshall Wace
Marshall Wace
United Kingdom
+$350K
3
Millennium Management
Millennium Management
New York
+$338K
4
WP
Woodline Partners
California
+$296K
5
Susquehanna International Group
Susquehanna International Group
Pennsylvania
+$247K

Top Sellers

1
BI
BVF Inc
California
-$15.7M
2
AI
Acuitas Investments
Washington
-$1.32M
3
EP
Eversept Partners
New York
-$1.21M
4
DMKJ
David M. Knott Jr
-$518K
5
Goldman Sachs
Goldman Sachs
New York
-$227K
Name Holding Trade Value Shares
Change 		Change in
Stake
BI
1
BVF Inc
California
$59.5M -$15.7M -650,717 -18%
Morgan Stanley
2
Morgan Stanley
New York
$22.4M +$19.4M +804,970 +254%
Fidelity Investments
3
Fidelity Investments
Massachusetts
$21.7M -$40.4K -1,678 -0.2%
BlackRock
4
BlackRock
New York
$10.6M -$148K -6,136 -1%
Vanguard Group
5
Vanguard Group
Pennsylvania
$9.15M -$114K -4,752 -1%
OM
6
Opaleye Management
Massachusetts
$5.04M +$73.3K +3,043 +1%
Geode Capital Management
7
Geode Capital Management
Massachusetts
$3.72M +$108K +4,482 +2%
WP
8
Woodline Partners
California
$3.36M +$296K +12,284 +8%
State Street
9
State Street
Massachusetts
$2.88M +$4.82K +200 +0.1%
SCM
10
Stonepine Capital Management
Oregon
$2.59M +$99K +4,113 +3%
TA
11
TLS Advisors
Florida
$2.37M – – –
HS
12
HighVista Strategies
Massachusetts
$2.28M – – –
Northern Trust
13
Northern Trust
Illinois
$1.77M -$51.3K -2,129 -2%
CM
14
CM Management
Florida
$1.28M +$217K +9,000 +16%
Bank of New York Mellon
15
Bank of New York Mellon
New York
$1.15M +$8.81K +366 +0.6%
EP
16
Eversept Partners
New York
$897K -$1.21M -50,400 -53%
RC
17
RBF Capital
California
$610K – – –
BCM
18
Bridgeway Capital Management
Texas
$522K +$16.9K +700 +3%
Charles Schwab
19
Charles Schwab
California
$462K +$1.08K +45 +0.2%
Dimensional Fund Advisors
20
Dimensional Fund Advisors
Texas
$436K -$12.8K -532 -2%
Marshall Wace
21
Marshall Wace
United Kingdom
$290K +$350K +14,533 New
N
22
Nuveen
North Carolina
$286K – – –
Millennium Management
23
Millennium Management
New York
$280K +$338K +14,054 New
Renaissance Technologies
24
Renaissance Technologies
New York
$273K -$57.8K -2,400 -15%
Goldman Sachs
25
Goldman Sachs
New York
$230K -$227K -9,447 -45%
1
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XOMA Hedge Fund Activity: Q1 2025 in Review

64 of the 7,457 institutional investors tracked by Wall St. Rank reported a position in Xoma (XOMA) for Q1 2025, worth a combined $156M — down 24% from $205M a quarter earlier.

Sellers outnumbered buyers: 7 funds closed out of XOMA and 6 opened new positions — a net loss of 1 holder — while 23 trimmed existing stakes and 19 added.

The largest buyer was Morgan Stanley, adding an estimated $19.4M. The largest seller was BVF Inc, cutting an estimated $15.7M.

  • 64 institutional investors held Xoma (XOMA) as of Q1 2025, down from 65 in Q4 2024.
  • Funds reported $156M of Xoma stock for Q1 2025, down 24% quarter-over-quarter.
  • 6 funds opened new Xoma positions in Q1 2025 and 7 closed out, a net change of -1 holder.
  • The largest Xoma buyer in Q1 2025 was Morgan Stanley, an estimated $19.4M added.
  • The largest Xoma seller in Q1 2025 was BVF Inc, an estimated $15.7M sold.

Based on aggregated 13F filings for Q1 2025.