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XOMA

Xoma
XOMA

Delisted

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

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74 hedge funds and large institutions have $320M invested in Xoma in 2025 Q3 according to their latest regulatory filings, with 16 funds opening new positions, 23 increasing their positions, 17 reducing their positions, and 7 closing their positions.

New
Increased
Maintained
Reduced
Closed

129% more first-time investments, than exits

New positions opened: 16 | Existing positions closed: 7

56% more capital invested

Capital invested by funds: $206M → $320M (+$115M)

35% more repeat investments, than reductions

Existing positions increased: 23 | Existing positions reduced: 17

14% more funds holding

Funds holding: 65 → 74 (+9)

0.6% more ownership

Funds ownership: 68.32% → 68.92% (+0.6%)

0% more funds holding in top 10

Funds holding in top 10: 3 → 3 (0)

73% less call options, than puts

Call options by funds: $3K | Put options by funds: $11K

Holders
74
Holders Change
+9
Holders Change %
+13.85%
% of All Funds
0.97%
Holding in Top 10
3
Holding in Top 10 Change
–
Holding in Top 10 Change %
–
% of All Funds
0.04%
New
16
Increased
23
Reduced
17
Closed
7
Calls
$3K
Puts
$11K
Net Calls
-$8K
Net Calls Change
-$25K

Top Buyers

1
Morgan Stanley
Morgan Stanley
New York
+$3.17M
2
Wellington Management Group
Wellington Management Group
Massachusetts
+$1.01M
3
WP
Woodline Partners
California
+$923K
4
Vanguard Group
Vanguard Group
Pennsylvania
+$910K
5
Jane Street
Jane Street
New York
+$850K

Top Sellers

1
SCM
Stonepine Capital Management
Oregon
-$1.14M
2
CM
CM Management
Florida
-$497K
3
Marshall Wace
Marshall Wace
United Kingdom
-$411K
4
UBS Group
UBS Group
Switzerland
-$371K
5
Susquehanna International Group
Susquehanna International Group
Pennsylvania
-$291K
Name Holding Trade Value Shares
Change 		Change in
Stake
N
51
Natixis
France
$14.3K -$33.9K -1,090 -75%
Citigroup
52
Citigroup
New York
$12.2K -$106K -3,397 -91%
TC
53
Truvestments Capital
Florida
$11.2K – – –
AB
54
Amalgamated Bank
New York
$10K – – –
Federated Hermes
55
Federated Hermes
Pennsylvania
$8.75K +$7.05K +227 New
SCM
56
Sterling Capital Management
North Carolina
$7.94K +$3.48K +112 +119%
Carson Wealth (CWM LLC)
57
Carson Wealth (CWM LLC)
Nebraska
$6K +$994 +32 +27%
Simplex Trading
58
Simplex Trading
Illinois
$6K +$5.31K +171 New
Optiver Holding
59
Optiver Holding
Netherlands
$5.78K +$4.66K +150 New
GI
60
GAMMA Investing
California
$3.93K – – –
WANY
61
Wealthspire Advisors (New York)
New York
$3.85K +$3.11K +100 New
EWA
62
EverSource Wealth Advisors
Alabama
$3.04K – – –
AAP
63
Arax Advisory Partners
Colorado
$1.81K +$1.46K +47 New
QCG
64
Quadrant Capital Group
Ohio
$1.35K +$1.09K +35 New
AA
65
Ancora Advisors
Ohio
$1.2K +$963 +31 New
Nisa Investment Advisors
66
Nisa Investment Advisors
Missouri
$732 – – –
SS
67
SBI Securities
Japan
$501 +$31 +1 +8%
PNC Financial Services Group
68
PNC Financial Services Group
Pennsylvania
$271 +$155 +5 +250%
RIL
69
Rothschild Investment LLC
Illinois
$116 – – –
TWD
70
True Wealth Design
Ohio
$116 – – –
TIM
71
Tortoise Investment Management
New York
$77 +$62 +2 New
TWC
72
TD Waterhouse Canada
Ontario, Canada
$39 – – –
ASN
73
Advisory Services Network
Georgia
$39 +$31 +1 New
IA
74
IFP Advisors
Florida
$39 +$31 +1 New
OQS
75
Occudo Quantitative Strategies
Florida
– -$1.3K -20,925 Closed
1 2
3
4

XOMA Hedge Fund Activity: Q3 2025 in Review

74 of the 7,619 institutional investors tracked by Wall St. Rank reported a position in Xoma (XOMA) for Q3 2025, worth a combined $320M — up 56% from $206M a quarter earlier.

Buyers outnumbered sellers: 16 funds opened new XOMA positions and 7 closed out — a net gain of 9 holders — while 23 added to existing stakes and 17 trimmed.

The largest buyer was Morgan Stanley, adding an estimated $3.17M. The largest seller was Stonepine Capital Management, cutting an estimated $1.14M.

  • 74 institutional investors held Xoma (XOMA) as of Q3 2025, up from 65 in Q2 2025.
  • Funds reported $320M of Xoma stock for Q3 2025, up 56% quarter-over-quarter.
  • 16 funds opened new Xoma positions in Q3 2025 and 7 closed out, a net change of +9 holders.
  • The largest Xoma buyer in Q3 2025 was Morgan Stanley, an estimated $3.17M added.
  • The largest Xoma seller in Q3 2025 was Stonepine Capital Management, an estimated $1.14M sold.

Based on aggregated 13F filings for Q3 2025.