XOMA Corporation
XOMA and XOMAO • NASDAQ
XOMA Corporation is a biotechnology company in the healthcare sector on NASDAQ, led by James Neal, with a market cap of $312.3M. As of Q3 2025, 69% of shares are held by 74 institutional investors, with BVF INC/IL as the largest holder at 21.43%.
Chief Executive OfficerJames Neal
Overview
Overview of institutional ownership in XOMA and XOMAO as of Q3 2025 with a market cap of $465.9M
All Institutions
- Institutions
- 74
- Value Held
- $321.1M
- Shares Held
- 8.3M
- Avg Position
- $4.3M
- Median Position
- $156.2K
Hedge Funds
- Hedge Funds
- 6
- Value Held
- $24.4M
- Shares Held
- 633.5K
- Avg Position
- $4.1M
- Median Position
- $2.8M
Ownership Breakdown
Based on market cap of $465.9M as of Q3 2025. Institutional (non-HF) excludes hedge funds to avoid double counting.
Biggest Investors
Institutions with the largest positions in XOMA and XOMAO as of Q3 2025
| Institution | Position Value |
|---|---|
B BVF INC/IL Institution | $99.8M 4.05% of portfolio |
 MORGAN STANLEY RIA/Wealth | $63.5M 0.00% of portfolio |
 FMR LLC Institution | $41.4M 0.00% of portfolio |
 VANGUARD GROUP INC Institution | $25.7M 0.00% of portfolio |
B BlackRock, Inc. Institution | $22.9M 0.00% of portfolio |
O Opaleye Management Inc. Hedge Fund•Long/Short | $9.8M 1.40% of portfolio |
 GEODE CAPITAL MANAGEMENT LLC ETF Provider | $8.2M 0.00% of portfolio |
 Woodline Partners LP Hedge Fund•Long/Short | $8.1M 0.04% of portfolio |
 STATE STREET CORP Institution | $6.4M 0.00% of portfolio |
S Stonepine Capital Management, LLC Institution | $4.4M 3.62% of portfolio |
Net Capital Flow
Institutional buying and selling activity for XOMA and XOMAO in Q3 2025
- Traded
- +$7.4M
- Buyers
- 40
- Sellers
- 23
- Total Bought
- +$12.1M
- Total Sold
- −$4.7M
- Avg Position
- $4.0M
Biggest Buyers
| Institution | Net Bought |
|---|---|
MORGAN STANLEY RIA/Wealth | +$3.9M +102.0K shares |
 WELLINGTON MANAGEMENT CO LLP Long Only Manager | +$1.3M +32.6K shares |
Woodline Partners LP Hedge Fund•Long/Short | +$1.1M +29.7K shares |
VANGUARD GROUP INC Institution | +$1.1M +29.3K shares |
J JANE STREET GROUP, LLC Institution | +$1.1M +27.4K shares |
 RENAISSANCE TECHNOLOGIES LLC Hedge Fund•Quant | +$655.2K +17.0K shares |
 STATE OF WISCONSIN INVESTMENT BOARD RIA/Wealth | +$523.0K +13.6K shares |
STATE STREET CORP Institution | +$522.3K +13.6K shares |
GEODE CAPITAL MANAGEMENT LLC ETF Provider | +$322.9K +8.4K shares |
 GOLDMAN SACHS GROUP INC Institution | +$311.2K +8.1K shares |
Biggest Sellers
| Institution | Net Sold |
|---|---|
S Stonepine Capital Management, LLC Institution | −$1.4M −36.7K shares |
C CM Management, LLC Institution | −$616.6K −16.0K shares |
 UBS Group AG Institution | −$460.9K −12.0K shares |
 Marshall Wace LLP Institution | −$411.0K −16.3K shares |
 HighVista Strategies LLC Fund of Funds | −$340.5K −8.8K shares |
 SUSQUEHANNA INTERNATIONAL GROUP, LLP Private Equity | −$291.3K −11.6K shares |
FMR LLC Institution | −$202.8K −5.3K shares |
 TLS Advisors LLC Hedge Fund•Global Macro | −$161.0K −4.2K shares |
 BARCLAYS PLC Institution | −$131.7K −3.4K shares |
 LAZARD ASSET MANAGEMENT LLC Long Only Manager | −$121.4K −4.8K shares |
Entry and Exit Activity
Institutions that initiated new positions or completely exited XOMA and XOMAO in Q3 2025
- New Positions
- 8
- New Value
- $783.6K
- Exited Positions
- 7
- Exited Value
- $964.6K
New Positions
| Institution | Position Value |
|---|---|
STATE OF WISCONSIN INVESTMENT BOARD RIA/Wealth | $523.0K 13.6K shares |
M Man Group plc Institution | $246.5K 6.4K shares |
O Optiver Holding B.V. Institution | $5.8K 150.0 shares |
 Sontag Advisory, LLC RIA/Wealth | $3.9K 100.0 shares |
 SRS Capital Advisors, Inc. RIA/Wealth | $1.8K 47.0 shares |
Q QUADRANT CAPITAL GROUP LLC Institution | $1.3K 35.0 shares |
 Ancora Advisors, LLC RIA/Wealth | $1.2K 31.0 shares |
 Tortoise Investment Management, LLC RIA/Wealth | $77.0 2.0 shares |
Exited Positions
| Institution | Previous Position |
|---|---|
Marshall Wace LLP Institution | $411.0K 16.3K shares |
SUSQUEHANNA INTERNATIONAL GROUP, LLP Private Equity | $291.3K 11.6K shares |
LAZARD ASSET MANAGEMENT LLC Long Only Manager | $121.4K 4.8K shares |
 RAYMOND JAMES FINANCIAL INC RIA/Wealth | $115.9K 4.6K shares |
G GROUP ONE TRADING, L.P. Institution | $22.7K 900.0 shares |
 OCCUDO QUANTITATIVE STRATEGIES LP Hedge Fund•Market Neutral | $1.3K 20.9K shares |
C Covestor Ltd Institution | $1.0K 58.0 shares |
Options Activity
Institutions with the largest Call and Put options positions in XOMA and XOMAO as of Q3 2025
- Call Positions
- 0
- Call Value
- -
- Put Positions
- 0
- Put Value
- -
Call Positions
| Institution | Position Value |
|---|---|
| No call positions found | |
Put Positions
| Institution | Position Value |
|---|---|
| No put positions found | |
Most Committed Institutions
Institutions with XOMA and XOMAO as the highest % of their portfolio as of Q3 2025
| Institution | Portfolio Weight |
|---|---|
TLS Advisors LLC Hedge Fund•Global Macro | 14.44% $4.4M |
B BVF INC/IL Institution | 4.05% $99.8M |
S Stonepine Capital Management, LLC Institution | 3.62% $4.4M |
C CM Management, LLC Institution | 1.54% $1.8M |
O Opaleye Management Inc. Hedge Fund•Long/Short | 1.40% $9.8M |
HighVista Strategies LLC Fund of Funds | 0.99% $4.1M |
R RBF Capital, LLC Institution | 0.05% $1.2M |
Woodline Partners LP Hedge Fund•Long/Short | 0.04% $8.1M |
B BRIDGEWAY CAPITAL MANAGEMENT INC Long Only Manager | 0.02% $962.7K |
C Costello Asset Management, INC RIA/Wealth | 0.01% $23.1K |
Hedge Fund Spotlight
Discover hedge funds investing in XOMA and XOMAO
RENAISSANCE TECHNOLOGIES LLC
Hedge Fund • Quant
Portfolio ManagerPeter Fitzhugh Brown
- Portfolio Value
- $75.8B
- Positions
- 3,419
- Last Reported
- Q3 2025
Sector Allocation
Position in XOMA Corporation
XOMA and XOMAO
- Market Value
- $16.4M
- Shares Held
- 2.0M
- Portfolio Weight
- 0.03%
- Owned Since
- 2013-Q2
| Top Holding | Sector | Market Value | Weight |
|---|---|---|---|
Software - Infrastructure Technology | $1.6B | 2.06% | |
Semiconductors Technology | $1.1B | 1.39% | |
Electronic Gaming & Multimedia Technology | $953.5M | 1.26% |
