Xilio Therapeutics Ownership | Who Owns Xilio Therapeutics?
Xilio Therapeutics Ownership Summary
Xilio Therapeutics is owned by 14.06% institutional investors, 35.34% insiders, and 50.60% retail investors. Gilead sciences is the largest institutional shareholder, holding 6.32% of XLO shares. Vanguard Total Stock Mkt Idx Inv is the top mutual fund, with 0.99% of its assets in Xilio Therapeutics shares.
XLO Ownership Benchmark
| Type | Name | % Inst | % Insiders | % Retail |
|---|---|---|---|---|
| Stock | Xilio Therapeutics | 14.06% | 35.34% | 50.60% |
| Sector | Healthcare Stocks | 232.01% | 10.74% | -142.75% |
| Industry | Biotech Stocks | 381.47% | 10.55% | -292.02% |
Institutional Shareholders
Top Institutional Shareholders by Total Shares
| Holder | Shares | % Holding | Value |
|---|---|---|---|
| Gilead sciences | 9.11M | 6.32% | $5.83M |
| Rivervest venture management | 1.44M | 5.16% | $1.37M |
| Bain capital life sciences investors | 4.57M | 4.74% | $3.85M |
| Merck | 1.48M | 1.54% | $1.25M |
| Takeda pharmaceutical | 1.48M | 1.53% | $1.24M |
| Vanguard group | 1.26M | 0.87% | $803.64K |
| Empery asset management, lp | 1.18M | 0.82% | $757.38M |
| Morgan stanley | 839.85K | 0.58% | $537.67K |
| Fmr | 511.82K | 0.53% | $431.31K |
| Aju ib investment | 667.74K | 0.46% | $427.49K |
Top Institutional Shareholders by % of Total Assets
| Holder | Shares | % Assets | Value |
|---|---|---|---|
| Rivervest venture management | 1.44M | 20.01% | $1.37M |
| Takeda pharmaceutical | 1.48M | 7.59% | $1.24M |
| Aju ib investment | 667.74K | 1.88% | $427.49K |
| Empery asset management, lp | 1.18M | 0.67% | $757.38M |
| Merck | 1.48M | 0.55% | $1.25M |
| Gilead sciences | 9.11M | 0.30% | $5.83M |
| Bain capital life sciences investors | 4.57M | 0.26% | $3.85M |
| Gsa capital partners llp | 147.97K | 0.01% | $95.00K |
| Two sigma securities | 32.13K | 0.00% | $27.08K |
| Xtx topco | 76.05K | 0.00% | $64.08K |
Top Buyers
| Holder | Shares | % Assets | Change |
|---|---|---|---|
| Empery asset management, lp | 1.18M | 0.67% | 1.18M |
| Gsa capital partners llp | 147.97K | 0.01% | 147.97K |
| Renaissance | 344.42K | 0.00% | 139.72K |
| State street | 163.89K | - | 120.50K |
| Susquehanna group, llp | 49.09K | - | 49.09K |
Top Sellers
| Holder | Shares | % Assets | Change |
|---|---|---|---|
| Rock springs capital management lp | - | - | -3.00M |
| Ghisallo capital management | - | - | -1.33M |
| Atlas venture life science advisors | - | - | -992.91K |
| Squarepoint ops | - | - | -328.79K |
| Trustees of columbia university in the city of new york | - | - | -249.63K |
New Positions
| Holder | Shares | % Assets | Change | Value |
|---|---|---|---|---|
| Empery asset management, lp | 1.18M | 0.67% | 1.18M | $757.38M |
| Gsa capital partners llp | 147.97K | 0.01% | 147.97K | $95.00K |
| Susquehanna group, llp | 49.09K | - | 49.09K | $46.88K |
| Jane street group | 42.08K | - | 42.08K | $26.94K |
| Raymond james & associates | 38.83K | - | 38.83K | $36.79K |
Sold Out
| Holder | Change |
|---|---|
| Qube research | -4.00 |
| Jpmorgan chase | -62.00 |
| Wells fargo & company/mn | -108.00 |
| Citigroup | -258.00 |
| Royal bank of canada | -533.00 |
Institutional Ownership Trends
| Date | Holdings | Change % | Shares | Change % | Ownership | Change % | Increased Position | Change % | Decreased Position | Change % |
|---|---|---|---|---|---|---|---|---|---|---|
| Dec 31, 2025 | 22 | -38.89% | 20,254,500 | -8.15% | 14 | 2.69% | 8 | -27.27% | 3 | - |
| Sep 30, 2025 | 36 | 5.88% | 22,051,916 | -1.34% | 22 | 2.55% | 11 | 10.00% | 3 | -72.73% |
| Jun 30, 2025 | 34 | 3.03% | 23,770,263 | 21.47% | 31 | 4.64% | 11 | -21.43% | 10 | 42.86% |
| Mar 31, 2025 | 35 | - | 22,528,206 | -12.87% | 30 | 1.82% | 14 | -6.67% | 7 | 16.67% |
| Dec 31, 2024 | 17 | -48.48% | 13,981,677 | -12.36% | 22 | 3.49% | 5 | -64.29% | 4 | - |
Top Mutual Funds Shareholders
| Holder | Shares | % Holding | Change |
|---|---|---|---|
| Vanguard Total Stock Mkt Idx Inv | 723.75K | 0.99% | - |
| Vanguard Institutional Extnd Mkt Idx Tr | 367.82K | 0.50% | - |
| Fidelity Extended Market Index | 142.90K | 0.19% | -275.00 |
| iShares Micro-Cap ETF | 59.99K | 0.12% | - |
| Fidelity Total Market Index | 63.21K | 0.09% | - |
| Bridgeway Ultra-Small Company Market | 56.08K | 0.08% | - |
| Fidelity Series Total Market Index | 49.58K | 0.07% | - |
| Spartan Extended Market Index Pool E | 30.66K | 0.06% | 1.54K |
| Spartan Extended Market Index Pool F | 37.39K | 0.05% | 275.00 |
| NT Ext Equity Mkt Idx Fd - NL | 34.73K | 0.05% | - |
Recent Insider Transactions
| Date | Name | Role | Activity | Value |
|---|---|---|---|---|
| Feb 13, 2026 | GILEAD SCIENCES, INC. | - | Buy | $373.90 |
| Jan 02, 2026 | Brennan Kevin M. | SVP, FINANCE AND ACCOUNTING | Sell | $1.17K |
| Jan 02, 2026 | Frankenfield Christopher James | Chief Financial Officer | Sell | $4.52K |
| Jun 17, 2025 | Shannon James Samuel | - | Buy | $17.21K |
| Jun 16, 2025 | Shannon James Samuel | - | Buy | $30.87K |
Insider Transactions Trends
| Date | Buy | Sell |
|---|---|---|
| 2025 Q2 | 7 | - |
| 2025 Q1 | - | 2 |
| 2024 Q4 | 2 | - |
| 2024 Q3 | - | - |
| 2024 Q2 | 2 | - |
XLO Ownership FAQ
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