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XILIO THERAP (XLO)
NASDAQ
$9.00-$0.24 (-2.61%)
Price as of Jul 14, 2026 12:39 PM EDT- $60.8MMarket Cap
- -10.76%1-Year Change
- BiotechnologyIndustry
XILIO THERAP (XLO)
$9.00-$0.24 (-2.61%)
Top Holders
Institutional
Mutual Funds
Holder | Ownership %
| Shares Held | Change (Shares, %) | Report Date |
|---|---|---|---|---|
DEERFIELD MANAGEMENT CO | 32.76% | 2.2M | +2.2M (+100.00%) | Dec 31, 2021 |
TAKEDA PHARMACEUTICAL CO LTD | 22.43% | 1.5M | 0 (0.00%) | Sep 30, 2025 |
RIVERVEST VENTURE MANAGEMENT LLC | 21.92% | 1.4M | 0 (0.00%) | Sep 30, 2024 |
VANGUARD GROUP INC | 19.10% | 1.3M | 0 (0.00%) | Dec 31, 2025 |
BAIN CAPITAL LIFE SCIENCES INVESTORS, LLC | 10.10% | 664,021 | +664,021 (+100.00%) | Mar 31, 2026 |
GILEAD SCIENCES, INC. | 9.89% | 650,389 | -8.5M (-1,300.00%) | Mar 31, 2026 |
FRAZIER LIFE SCIENCES MANAGEMENT, L.P. | 6.43% | 422,505 | +422,505 (+100.00%) | Mar 31, 2026 |
Holder | Ownership %
| Shares Held | Change (Shares, %) | Report Date |
|---|---|---|---|---|
VANGUARD INDEX FUNDS | 16.60% | 1.1M | 0 (0.00%) | Mar 31, 2026 |
FIDELITY SELECT PORTFOLIOS | 9.31% | 612,462 | 0 (0.00%) | Apr 30, 2026 |
iSHARES TRUST | 1.01% | 66,460 | 0 (0.00%) | Apr 30, 2026 |
BRIDGEWAY FUNDS INC | 0.85% | 56,081 | 0 (0.00%) | Mar 31, 2026 |
FIDELITY SALEM STREET TRUST | 0.84% | 55,142 | 0 (0.00%) | Apr 30, 2026 |
NATIONWIDE MUTUAL FUNDS | 0.56% | 36,632 | 0 (0.00%) | Apr 30, 2026 |
VANGUARD SCOTTSDALE FUNDS | 0.38% | 24,766 | 0 (0.00%) | Feb 28, 2026 |
Current Ownership Distribution
- Institutions325.0M (78.81%)
- Insiders63.8M (15.46%)
- Mutual Funds23.6M (5.72%)
- Other0 (0.00%)
Insider Transactions
- 15.46% (63.8M)Current InsiderOwnership (%, shares)
- 2Number of InsiderBuying (last 12 months)
- $19.6MAmount of InsiderBuying (last 12 months)
- 2Number of InsiderSelling (last 12 months)
- $14,331.14Amount of InsiderSelling (last 12 months)
Insider Name & Title | Type | Date
| Transaction Value | Shares | Share Price | Shares After Transactions |
|---|---|---|---|---|---|---|
Curran Daniel J. | Award | Jun 11, 2026 | $0.00 | 5,000 | $0.00 | 5,000 |
Shannon James Samuel | Award | Jun 11, 2026 | $0.00 | 5,000 | $0.00 | 5,000 |
Bello Akintunde Olatokumbo | Award | Jun 11, 2026 | $0.00 | 5,000 | $0.00 | 5,000 |
Xu Yuan | Award | Jun 11, 2026 | $0.00 | 5,000 | $0.00 | 5,000 |
ROSS ROBERT W. | Award | Jun 11, 2026 | $0.00 | 5,000 | $0.00 | 5,000 |
Brennan Aoife | Award | Jun 11, 2026 | $0.00 | 5,000 | $0.00 | 5,000 |
Bonstein Sara | Award | Jun 11, 2026 | $0.00 | 5,000 | $0.00 | 5,000 |
Shannon James Samuel | Buy | Mar 26, 2026 | $43,950.00 | 5,000 | $8.79 | 10,000 |
GILEAD SCIENCES INC | Buy | Feb 13, 2026 | $2.0M | 3.7M | $0.53 | 40.4M |
Brennan Kevin M. SVP, FINANCE AND ACCOUNTING | Sell | Jan 02, 2026 | $1,174.48 | 1,826 | $0.64 | 6,371 |
Frankenfield Christopher James Chief Financial Officer | Sell | Jan 02, 2026 | $4,521.70 | 7,030 | $0.64 | 24,766 |
Luptakova Katarina CHIEF MEDICAL OFFICER | Exempt | Jan 01, 2026 | $0.00 | 16,625 | $0.00 | 33,250 |
Russo Rene PRESIDENT AND CEO | Exempt | Jan 01, 2026 | $0.00 | 44,250 | $0.00 | 88,500 |
Luptakova Katarina CHIEF MEDICAL OFFICER | Exempt | Jan 01, 2026 | $0.00 | 16,625 | $0.00 | 33,250 |
Frankenfield Christopher James Chief Financial Officer | Exempt | Jan 01, 2026 | $0.00 | 19,375 | $0.00 | 38,750 |
Brennan Kevin M. SVP, FINANCE AND ACCOUNTING | Exempt | Jan 01, 2026 | $0.00 | 5,000 | $0.00 | 10,000 |
Frankenfield Christopher James Chief Financial Officer | Exempt | Jan 01, 2026 | $0.00 | 19,375 | $0.00 | 31,796 |
Russo Rene PRESIDENT AND CEO | Exempt | Jan 01, 2026 | $0.00 | 44,250 | $0.00 | 325,422 |
Brennan Kevin M. SVP, FINANCE AND ACCOUNTING | Exempt | Jan 01, 2026 | $0.00 | 5,000 | $0.00 | 8,197 |
Luptakova Katarina CHIEF MEDICAL OFFICER | Award | Dec 31, 2025 | $0.00 | 451,885 | $0.00 | 451,885 |
Frankenfield Christopher James Chief Financial Officer | Award | Dec 31, 2025 | $0.00 | 668,789 | $0.00 | 668,789 |
Russo Rene PRESIDENT AND CEO | Award | Dec 31, 2025 | $0.00 | 1.5M | $0.00 | 1.5M |
Brennan Kevin M. SVP, FINANCE AND ACCOUNTING | Award | Dec 31, 2025 | $0.00 | 95,221 | $0.00 | 95,221 |
Frankenfield Christopher James Chief Financial Officer | Award | Nov 21, 2025 | $0.00 | 925,000 | $0.00 | 925,000 |
Russo Rene PRESIDENT AND CEO | Award | Nov 21, 2025 | $0.00 | 2.1M | $0.00 | 2.1M |
Frankenfield Christopher James Chief Financial Officer | Return | Nov 21, 2025 | $0.00 | 155,090 | $0.00 | 0 |
Luptakova Katarina CHIEF MEDICAL OFFICER | Award | Nov 21, 2025 | $0.00 | 625,000 | $0.00 | 625,000 |
Frankenfield Christopher James Chief Financial Officer | Award | Nov 21, 2025 | $0.00 | 155,090 | $0.00 | 155,090 |
Brennan Kevin M. SVP, FINANCE AND ACCOUNTING | Award | Nov 21, 2025 | $0.00 | 131,700 | $0.00 | 131,700 |
Frankenfield Christopher James Chief Financial Officer | Return | Nov 21, 2025 | $0.00 | 23,786 | $0.00 | 0 |