Xilio Therapeutics
XLO · NASDAQ
$8.54+$0.21 (+2.52%)TodayMarket closed ·
Prev close $8.33
Who owns XLO
Largest institutional holders, from their latest 13F filings
The 10 largest institutions hold 69.2% of XLO’s shares.
- Bain Capital Life Sciences Investors, LLC11.1%
- Gilead Sciences, Inc.10.9%
- OrbiMed Advisors, LLC9.9%
- GKCC, LLC8.4%
- Next 6 largest institutions29.0%
- All other shareholders30.8%
| Holder | Shares | % of shares |
|---|---|---|
| Bain Capital Life Sciences Investors, LLC | 664.02K | 11.10% |
| Gilead Sciences, Inc. | 650.39K | 10.88% |
| OrbiMed Advisors, LLC | 592.30K | 9.90% |
| GKCC, LLC | 500.00K | 8.36% |
| Frazier Life Sciences Management, L.P. | 422.50K | 7.07% |
| AbbVie, Inc. | 310.56K | 5.19% |
| Coastlands Capital LP | 309.44K | 5.17% |
| Sirenia Capital Management LP | 285.71K | 4.78% |
| Stonepine Capital Management, LLC | 225.99K | 3.78% |
| Vanguard Capital Management, LLC | 178.52K | 2.99% |
Largest mutual fund holders
| Holder | Shares | % of shares |
|---|---|---|
| Vanguard Total Stock Market Index Fund | 142.44K | 2.38% |
| Vanguard Extended Market Index Fund | 35.61K | 0.60% |
| Bridgeway Ultra-Small Company Fund | 17.54K | 0.29% |
| iShares Micro-Cap ETF | 8.33K | 0.14% |
| Dimensional US Core Equity 1 ETF | 1.12K | 0.02% |
Insider trades
Form 4 filings by officers, directors and large holders
Insiders made no open-market buys or sales of XLO in the last 6 months.
| Insider | Type | Shares | Value |
|---|---|---|---|
| Houvras Yariv | Award | 105.00K | — |
| Curran Daniel J. | Award | 5.00K | — |
| Bello Akintunde Olatokumbo | Award | 5.00K | — |
| Xu Yuan | Award | 5.00K | — |
| ROSS ROBERT W. | Award | 5.00K | — |
| Brennan Aoife | Award | 5.00K | — |
| Bonstein Sara | Award | 5.00K | — |
| Shannon James Samuel | Award | 5.00K | — |
Short interest
Settled Sep 30, 2026
- Shares short
- 410.05K
- Days to cover
- 44.52
- % of shares outstanding
- 6.86%
- Average daily volume
- 9.21K
- Change since last report
- −0.7%
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