XOMA is no longer listed. Its last trade on record was Jul 21, 2026. The price and figures on this page are from its last trading day and final filings, and are no longer updated.
Ranked by reported Q2 2026 13F market value
Share of total reported institutional value in XOMA held by the largest 10 / 25 filers.
| # | Institution | Shares Held | Market Value | QoQ Change | Ownership % | % of Fund |
|---|---|---|---|---|---|---|
| 1 | BVF INC/IL | 7.6M | $322.7M | +193.1% | 60.548% | 8.25% |
| 2 | MORGAN STANLEY | 1.7M | $72.1M | -0.3% | 13.533% | 0.00% |
| 3 | FMR LLC | 1.6M | $68.2M | +23.2% | 12.802% | 0.00% |
| 4 | Woodline Partners LP | 1.1M | $47.4M | +74.1% | 8.886% | 0.15% |
| 5 | Newtyn Management, LLC | 709K | $30.1M | — | 5.655% | 3.76% |
| 6 | BlackRock, Inc. | 692K | $29.4M | +7.0% | 5.518% | 0.00% |
| 7 | VANGUARD CAPITAL MANAGEMENT LLC | 505K | $21.5M | -8.1% | 4.028% | 0.00% |
| 8 | Opaleye Management Inc. | 338K | $14.4M | +12.8% | 2.698% | 1.30% |
| 9 | GEODE CAPITAL MANAGEMENT, LLC | 245K | $10.4M | +6.8% | 1.956% | 0.00% |
| 10 | WATER ISLAND CAPITAL LLC | 242K | $10.3M | — | 1.930% | 0.96% |
| 11 | ALPINE ASSOCIATES MANAGEMENT INC. | 239K | $10.2M | — | 1.908% | 0.64% |
| 12 | MILLENNIUM MANAGEMENT LLC | 227K | $9.6M | +10.5% | 1.806% | 0.00% |
| 13 | STATE STREET CORP | 198K | $8.4M | +2.4% | 1.577% | 0.00% |
| 14 | DIMENSIONAL FUND ADVISORS LP | 177K | $7.5M | +32.8% | 1.412% | 0.00% |
| 15 | HSBC HOLDINGS PLC | 150K | $6.3M | — | 1.192% | 0.00% |
| 16 | TORNO CAPITAL, LLC | 140K | $5.9M | — | 1.114% | 0.17% |
| 17 | SUSQUEHANNA INTERNATIONAL GROUP, LLP | 134K | $5.7M | +458.7% | 1.069% | 0.00% |
| 18 | NORTHERN TRUST CORP | 96K | $4.1M | +2.9% | 0.767% | 0.00% |
| 19 | VANGUARD PORTFOLIO MANAGEMENT LLC | 90K | $3.8M | +5.3% | 0.720% | 0.00% |
| 20 | TUDOR INVESTMENT CORP ET AL | 84K | $3.6M | — | 0.673% | 0.00% |
| 21 | Bank of New York Mellon Corp | 75K | $3.2M | +0.5% | 0.601% | 0.00% |
| 22 | Verition Fund Management LLC | 71K | $3.0M | — | 0.563% | 0.01% |
| 23 | VANGUARD FIDUCIARY TRUST CO | 70K | $3.0M | +5.3% | 0.560% | 0.00% |
| 24 | Simcoe Capital LLC | 68K | $2.9M | 0.0% | 0.543% | 1.76% |
| 25 | JANE STREET GROUP, LLC | 57K | $2.4M | +128.0% | 0.458% | 0.00% |
denotes a marquee investor (Buffett, Burry, ARK, Tiger Global, Pershing Square, Baupost and other widely-followed managers). “% of Fund” shows how much of that investor’s total 13F portfolio is invested in XOMA — a direct measure of their conviction.
Filings activity in XOMA during Q2 2026, grouped by how each filer changed its position.
8 quarters of 13F filings · Δ columns show change vs prior quarter
| Quarter | Inst. Holders | Δ Holders | Ownership % | Δ Ownership | Total 13F Value | Δ Value |
|---|---|---|---|---|---|---|
| Q2 2026 | 99 | +18% | 137.48% | +57.60 pp | $732M | +141% |
| Q1 2026 | 84 | +15% | 79.88% | +10.74 pp | $303M | +33% |
| Q4 2025 | 73 | +1.4% | 69.14% | +3.55 pp | $228M | 28% |
| Q3 2025 | 72 | +7.5% | 65.59% | +1.22 pp | $317M | +57% |
| Q2 2025 | 67 | +3.1% | 64.37% | +2.05 pp | $202M | +31% |
| Q1 2025 | 65 | +0.0% | 62.32% | +0.33 pp | $154M | 24% |
| Q4 2024 | 65 | 1.5% | 61.99% | 0.05 pp | $201M | +1.1% |
| Q3 2024 | 66 | — | 62.04% | — | $199M | — |
Source: SEC 13F institutional filings. Ownership % requires market cap data and will show once linked. Δ columns compare to the immediately prior filed quarter.
Quick answers to the most common questions about buying XOMA stock.
Based on Q2 2026 13F filings, institutional ownership of XOMA Royalty Corp. stands at 137.5%, held across 99 reporting institutions.
BVF INC/IL is the largest reported institutional holder of XOMA, with approximately 7,593,303 shares worth $0.32B as of Q2 2026.
Yes — 3 widely-followed marquee investors appear among the top 25 institutional holders of XOMA, including MILLENNIUM MANAGEMENT LLC, SUSQUEHANNA INTERNATIONAL GROUP, LLP, JANE STREET GROUP, LLC.
Our composite Smart Money Score for XOMA is 76 out of 100 (Bullish). It combines net institutional buying activity, ownership shift, marquee investor presence, and holder-count growth.
31 institutions opened new positions in XOMA during Q2 2026, while 15 fully exited. 54 added to existing positions and 14 trimmed.
XOMA institutional ownership rose by 57.60 percentage points quarter-over-quarter, with a net change of +15 holders.
The top 10 institutions account for 85.6% of all reported 13F value in XOMA, and the top 25 account for 96.5%.
All data is sourced from SEC Form 13F filings, which institutional investment managers with at least $100M in assets are required to file each quarter. We process every 13F filing from EDGAR and recompute the aggregates after each cycle. Insider transactions are sourced from Form 4 filings.
XOMA Royalty Corp. (XOMA) Institutional Ownership