Fractyl Health
GUTS · NASDAQ
$1.33−$0.05 (−3.62%)TodayMarket closed ·
Prev close $1.38
Who owns GUTS
Largest institutional holders, from their latest 13F filings
The 10 largest institutions hold 37.4% of GUTS’s shares.
- Nantahala Capital Management, LLC7.1%
- Mithril Capital Management LLC4.0%
- Catalio Capital Management, LP3.9%
- Vanguard Capital Management, LLC3.8%
- Next 6 largest institutions18.5%
- All other shareholders62.6%
| Holder | Shares | % of shares |
|---|---|---|
| Nantahala Capital Management, LLC | 11.29M | 7.12% |
| Mithril Capital Management LLC | 6.41M | 4.04% |
| Catalio Capital Management, LP | 6.17M | 3.89% |
| Vanguard Capital Management, LLC | 6.10M | 3.84% |
| BofA Global Research (US) | 6.01M | 3.79% |
| Pale Fire Capital SE | 5.00M | 3.15% |
| General Catalyst Partners | 4.88M | 3.08% |
| Bessemer Venture Partners | 4.77M | 3.01% |
| HCC Manager LLC | 4.67M | 2.95% |
| Maverick Capital, Ltd. | 3.97M | 2.51% |
Largest mutual fund holders
| Holder | Shares | % of shares |
|---|---|---|
| Vanguard Total Stock Market Index Fund | 4.62M | 2.91% |
| Vanguard Extended Market Index Fund | 1.34M | 0.84% |
| Fidelity Extended Market Index Fund | 596.76K | 0.38% |
| Fidelity Total Market Index Fund | 214.20K | 0.14% |
| Fidelity Series Total Market Index Fund | 173.83K | 0.11% |
Insider trades
Form 4 filings by officers, directors and large holders
Over the last 6 months, insiders bought $167.32K (6 trades) of GUTS on the open market, with no sales.
| Insider | Type | Shares | Value |
|---|---|---|---|
| BRADLEY WILLIAM | Buy | 64.52K | $39.90K |
| Royan Ajay | Buy | 23.00K | $19.60K |
| Conaway Samuel | Award | 22.50K | — |
| Royan Ajay | Award | 22.50K | — |
| Thompson Christopher Charles | Award | 22.50K | — |
| Elia Marc | Award | 22.50K | — |
| Barnes Kelly Ann | Award | 22.50K | — |
| Sheffield Ian | Award | 22.50K | — |
| Sheffield Ian | Buy | 35.00K | $25.53K |
| Rajagopalan Harith | Buy | 25.00K | $18.25K |
Short interest
Settled Sep 30, 2026
- Shares short
- 2.15M
- Days to cover
- 1.20
- % of shares outstanding
- 1.36%
- Average daily volume
- 1.79M
- Change since last report
- −20.2%
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