Xilio Therapeutics, Inc.
XLO- Exchange
- Nasdaq
- Industry
- Pharmaceutical Preparations
- SEC CIK
- 0001840233
No open-market purchases or sales by Xilio Therapeutics, Inc. insiders were filed in the last 90 days; 27 institutions reported holding it in 13F filings for Q2 2026, worth $32.6M in total; no superinvestor holds it.
13F holders, Q1 2023
Institutional positions in Xilio Therapeutics, Inc. as of Mar 31, 2023. Investment managers with $100 million or more in US stocks report their long positions on Form 13F within 45 days after each quarter ends. How 13F works
- Institutional holders
- 32
- +4 vs. Q4 2022
- Shares held
- 16.1M
- +145.5K (+0.9%) vs. Q4 2022
- Total value
- $51.0M
- +$8.14M (+19.0%) vs. Q4 2022
- New holders
- 4
- 6 more added
- Sold out
- 0
- 3 more reduced
Compare with Q4 2022: new holders, sold out and not filed yet
Holders and value by quarter
Institutions reporting XLO on Form 13F each quarter since Q1 2021, and the total value they reported. Values are as of each quarter end, so they also move with the share price.
| Quarter | Holders | Value |
|---|---|---|
| Q2 2026 | 27 | $32.6M |
| Q1 2026 | 24 | $22.0M |
| Q4 2025 | 37 | $25.4M |
| Q3 2025 | 36 | $18.6M |
| Q2 2025 | 35 | $16.2M |
| Q1 2025 | 35 | $16.3M |
| Q4 2024 | 35 | $24.7M |
| Q3 2024 | 33 | $12.6M |
| Q2 2024 | 32 | $13.7M |
| Q1 2024 | 31 | $13.5M |
| Q4 2023 | 34 | $9.03M |
| Q3 2023 | 31 | $33.5M |
| Q2 2023 | 32 | $41.9M |
| Q1 2023 | 32 | $51.0M |
| Q4 2022 | 28 | $42.8M |
| Q3 2022 | 29 | $48.3M |
| Q2 2022 | 33 | $52.2M |
| Q1 2022 | 41 | $132.7M |
| Q4 2021 | 42 | $303.1M |
| Q3 2021 | 0 | $0 |
| Q2 2021 | 0 | $0 |
| Q1 2021 | 0 | $0 |
Institutions, Q1 2023
Shares, value and share of portfolio for each institution holding Xilio Therapeutics, Inc.; share changes are against Q4 2022.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Bain Capital Life Sciences Investors, LLC | 2,805,413 | $8.89M | 1.11% | 00.0% | Unchanged |
| Atlas Venture Life Science Advisors, LLC | 2,759,344 | $8.75M | 1.18% | 00.0% | Unchanged |
| Octagon Capital Advisors LP | 2,425,000 | $7.69M | 1.11% | 00.0% | Unchanged |
| FMR LLC | 1,907,671 | $6.07M | 0.00% | 00.0% | Unchanged |
| RiverVest Venture Management LLC | 1,441,444 | $4.57M | 5.29% | 00.0% | Unchanged |
| Rock Springs Capital Management LP | 1,440,759 | $4.57M | 0.11% | +77,881+5.7% | Added |
| Vanguard Group Inc | 890,353 | $2.82M | 0.00% | 00.0% | Unchanged |
| Artal Group S.A. | 450,000 | $1.43M | 0.08% | 00.0% | Unchanged |
| Harvard Management Co Inc | 416,059 | $1.32M | 0.14% | 00.0% | Unchanged |
| Trustees of Columbia University in the City of New York | 249,635 | $791.3K | 1.42% | 00.0% | Unchanged |
| Bank of America Corp | 227,276 | $720.5K | 0.00% | −5,792−2.5% | Reduced |
| Soleus Capital Management, L.P. | 226,941 | $719.4K | 0.09% | 00.0% | Unchanged |
| FIL Ltd | 218,705 | $695.5K | 0.00% | 00.0% | Unchanged |
| Laurion Capital Management LP | 142,900 | $454.4K | 0.02% | 00.0% | Unchanged |
| Bridgeway Capital Management, LLC | 110,481 | $351.3K | 0.01% | 00.0% | Unchanged |
| Geode Capital Management, LLC | 84,726 | $269.4K | 0.00% | 00.0% | Unchanged |
| Citadel Advisors LLC | 71,635 | $227.8K | 0.00% | +71,635 | New |
| BlackRock Inc. | 51,005 | $161.7K | 0.00% | +1,566+3.2% | Added |
| Morgan Stanley | 30,539 | $96.8K | 0.00% | +4,928+19.2% | Added |
| Renaissance Technologies LLC | 18,800 | $60.0K | 0.00% | −18,300−49.3% | Reduced |
| Dimensional Fund Advisors LP | 17,881 | $56.9K | 0.00% | +17,881 | New |
| Cannell Capital LLC | 17,025 | $54.0K | 0.01% | 00.0% | Unchanged |
| Northern Trust Corp | 16,897 | $53.6K | 0.00% | +3,997+31.0% | Added |
| Millennium Management LLC | 16,746 | $53.0K | 0.00% | −10,146−37.7% | Reduced |
| State Street Corp | 15,690 | $49.9K | 0.00% | 00.0% | Unchanged |
| Nwam LLC | 10,000 | $31.7K | 0.00% | 00.0% | Unchanged |
| Tower Research Capital LLC (TRC) | 4,591 | $15.0K | 0.00% | +332+7.8% | Added |
| JPMorgan Chase & Co | 2,701 | $9.00K | 0.00% | 00.0% | Unchanged |
| Key Financial Inc | 830 | $2.63K | 0.00% | +830 | New |
| Royal Bank of Canada | 731 | $2.00K | 0.00% | +731 | New |
| UBS Group AG | 201 | $637 | 0.00% | 00.0% | Unchanged |
| Wells Fargo & Company | 78 | $247 | 0.00% | +1+1.3% | Added |