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, Q4 2021
Institutional positions in Xilio Therapeutics, Inc. as of Dec 31, 2021. 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
- 42
- +42 vs. Q3 2021
- Shares held
- 19.0M
- +19.0M vs. Q3 2021
- Total value
- $303.1M
- +$303.1M vs. Q3 2021
- New holders
- 42
- 0 more added
- Sold out
- 0
- 0 more reduced
Compare with Q3 2021: 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, Q4 2021
Shares, value and share of portfolio for each institution holding Xilio Therapeutics, Inc.; share changes are against Q3 2021.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Bain Capital Life Sciences Investors, LLC | 2,805,413 | $44.9M | 3.56% | +2,805,413 | New |
| Atlas Venture Life Science Advisors, LLC | 2,759,344 | $44.1M | 4.06% | +2,759,344 | New |
| FMR LLC | 2,570,270 | $41.1M | 0.00% | +2,570,270 | New |
| Deerfield Management Company, L.P. (Series C) | 2,154,061 | $33.7M | 0.71% | +2,154,061 | New |
| Ra Capital Management, L.P. | 2,002,217 | $32.0M | 0.56% | +2,002,217 | New |
| RiverVest Venture Management LLC | 1,441,444 | $23.1M | 16.45% | +1,441,444 | New |
| Rock Springs Capital Management LP | 1,191,094 | $19.1M | 0.44% | +1,191,094 | New |
| AJU IB Investment Co., Ltd. | 667,742 | $10.7M | 14.88% | +667,742 | New |
| Soleus Capital Management, L.P. | 477,495 | $7.64M | 1.03% | +477,495 | New |
| Artal Group S.A. | 450,000 | $7.20M | 0.21% | +450,000 | New |
| Vanguard Group Inc | 424,224 | $6.79M | 0.00% | +424,224 | New |
| Harvard Management Co Inc | 416,059 | $6.66M | 0.62% | +416,059 | New |
| Norges Bank | 400,000 | $6.40M | 0.00% | +400,000 | New |
| BlackRock Inc. | 324,094 | $5.18M | 0.00% | +324,094 | New |
| FIL Ltd | 218,705 | $3.50M | 0.00% | +218,705 | New |
| Monashee Investment Management LLC | 214,253 | $3.43M | 0.85% | +214,253 | New |
| Geode Capital Management, LLC | 134,185 | $2.15M | 0.00% | +134,185 | New |
| Northern Trust Corp | 63,034 | $1.01M | 0.00% | +63,034 | New |
| State Street Corp | 59,210 | $947.0K | 0.00% | +59,210 | New |
| Caas Capital Management LP | 37,019 | $592.0K | 0.05% | +37,019 | New |
| Ghisallo Capital Management LLC | 30,000 | $480.0K | 0.02% | +30,000 | New |
| Davidson Kempner Capital Management LP | 29,000 | $458.0K | 0.01% | +29,000 | New |
| Marshall Wace, LLP | 20,189 | $324.0K | 0.00% | +20,189 | New |
| Charles Schwab Investment Management Inc | 16,100 | $258.0K | 0.00% | +16,100 | New |
| Bank of New York Mellon Corp | 14,238 | $228.0K | 0.00% | +14,238 | New |
| JPMorgan Chase & Co | 11,686 | $187.0K | 0.00% | +11,686 | New |
| Nuveen Asset Management, LLC | 11,284 | $181.0K | 0.00% | +11,284 | New |
| Granite Point Capital Management, L.P. | 10,000 | $160.0K | 0.06% | +10,000 | New |
| New York State Common Retirement Fund | 5,568 | $89.0K | 0.00% | +5,568 | New |
| Bank of America Corp | 4,774 | $76.0K | 0.00% | +4,774 | New |
| Deutsche Bank AG | 4,508 | $72.0K | 0.00% | +4,508 | New |
| Wells Fargo & Company | 4,462 | $71.0K | 0.00% | +4,462 | New |
| California State Teachers Retirement System | 4,078 | $65.0K | 0.00% | +4,078 | New |
| UBS Group AG | 3,977 | $64.0K | 0.00% | +3,977 | New |
| American International Group, Inc. | 3,944 | $63.0K | 0.00% | +3,944 | New |
| Citigroup Inc | 2,194 | $35.0K | 0.00% | +2,194 | New |
| STRS Ohio | 1,700 | $27.0K | 0.00% | +1,700 | New |
| Royal Bank of Canada | 1,585 | $25.0K | 0.00% | +1,585 | New |
| Morgan Stanley | 1,038 | $17.0K | 0.00% | +1,038 | New |
| Tower Research Capital LLC (TRC) | 961 | $15.0K | 0.00% | +961 | New |
| Legal & General Group Plc | 698 | $11.0K | 0.00% | +698 | New |
| Ameritas Investment Partners, Inc. | 573 | $9.00K | 0.00% | +573 | New |