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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
CAM
51
Costello Asset Management
Pennsylvania
$12K +$14.4K +600 New
California State Teachers Retirement System (CalSTRS)
52
California State Teachers Retirement System (CalSTRS)
California
$11.6K – – –
BNP Paribas Financial Markets
53
BNP Paribas Financial Markets
France
$9.21K -$15.6K -647 -58%
TC
54
Truvestments Capital
Florida
$5.78K – – –
AB
55
Amalgamated Bank
New York
$5K – – –
GI
56
GAMMA Investing
California
$1.73K -$1.49K -62 -42%
SCM
57
Sterling Capital Management
North Carolina
$1.18K -$1.16K -48 -45%
SS
58
SBI Securities
Japan
$239 +$24 +1 +9%
Nisa Investment Advisors
59
Nisa Investment Advisors
Missouri
$159 -$217 -9 -53%
RIL
60
Rothschild Investment LLC
Illinois
$60 +$72 +3 New
TWD
61
True Wealth Design
Ohio
$60 +$72 +3 New
PNC Financial Services Group
62
PNC Financial Services Group
Pennsylvania
$40 – – –
TWC
63
TD Waterhouse Canada
Ontario, Canada
$19 – – –
OQS
64
Occudo Quantitative Strategies
Florida
– -$1.3K -20,925 Closed
DMKJ
65
David M. Knott Jr
– -$518K -19,722 Closed
Los Angeles Capital Management
66
Los Angeles Capital Management
California
– -$206K -7,852 Closed
AWM
67
Avior Wealth Management
Nebraska
– -$13.2K -501 Closed
Russell Investments Group
68
Russell Investments Group
United Kingdom
– -$8.3K -316 Closed
C
69
Covestor
United Kingdom
– -$289 -12 Closed
IA
70
IFP Advisors
Florida
– -$26 -1 Closed
1 2
3

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.