Fractyl Health, Inc.
GUTS- Exchange
- Nasdaq
- Industry
- Surgical & Medical Instruments & Apparatus
- SEC CIK
- 0001572616
In the last 90 days, Fractyl Health, Inc. insiders filed 1 open-market purchase and 0 sales; 79 institutions reported holding it in 13F filings for Q2 2026, worth $56.2M in total; Maverick Capital is the only superinvestor holding it.
Key figures
- Market capClose on Nov 9, 2026
- $11.9M
- Insider buysLast 90 days, $39.9K in total
- 1
- Insider sellsOpen market, last 90 days
- 0
- 13F holdersQ2 2026, −6 vs. previous quarter
- 79
- 13F valueReported value at the end of Q2 2026
- $56.2M
- Superinvestors holdingAt the end of Q2 2026
- 1
Price chart
Financials
See financial statementsFrom SEC filings, in USD.
- Revenue, FY2025
- $0
- −100.0% year over year
- Net income, FY2025
- -$141.0M
- No comparable prior period
- Free cash flow, FY2025
- -$90.9M
- No comparable prior period
- Revenue, Q2 FY2026
- –
- No comparable prior period
Short interest
See short dataFrom FINRA, settlement date Oct 15, 2026.
- Short interest
- 265.3K
- Shares sold short
- Change
- −1.89M
- −87.7% vs. previous
- Days to cover
- 1.21
- At average daily volume
Superinvestors holding GUTS, Q2 2026
Go to the superinvestors tab1 superinvestor reports holding Fractyl Health, Inc. on Form 13F. Percentages are the stock's share of each portfolio.
Maverick Capital
Lee Ainslie
<0.1%
Fractyl Health, Inc.'s share of the portfolio
- Shares
- 3,974,806
- Value
- $3.16M
Latest insider trades
See all insider tradesOpen-market purchases and sales by Fractyl Health, Inc. insiders from Form 4, newest first.
| Filed (ET) | Trade date | Filing delay | Insider | Transaction | Shares | Avg price | Value | Holding change | Flags |
|---|---|---|---|---|---|---|---|---|---|
| Sep 16, 2026 (view filing)4:05 PM ET | Sep 14 | 2 days | Bradley WilliamDirector | PPurchase | +64.5K | $0.6185 | +$39.9K | +76.2%149.1K after | |
| Jun 15, 2026 (view filing) | Jun 12 | 3 days | Royan AjayDirector | PPurchase | +23.0K | $0.85 | +$19.6K | +128.5%40.9K after | |
| Jun 11, 2026 (view filing) | Jun 10 | 1 day | Bradley WilliamDirector | PPurchase | +68.5K | $0.73 | +$50.0K | +424.7%84.6K after | |
| Jun 11, 2026 (view filing) | Jun 10 | 1 day | Sheffield IanDirector | PPurchase | +35.0K | $0.73 | +$25.6K | New position35.0K after | |
| Jun 11, 2026 (view filing) | Jun 10 | 1 day | Rajagopalan HarithChief Executive Officer | PPurchase | +25.0K | $0.73 | +$18.3K | +4.8%540.6K after | |
| Jun 9, 2026 (view filing) | Jun 8 | 1 day | Smith Weber LaraChief Financial Officer | PPurchase | +20.0K | $0.69 | +$13.8K | New position20.0K after | |
| Dec 8, 2025 (view filing) | Dec 4 | 4 days | Rajagopalan HarithChief Executive Officer | PPurchase | +10.4K | $1.92 | +$20.0K | +2.1%501.7K after | |
| Mar 18, 2025 (view filing) | Mar 14 | 4 days | Royan AjayDirector, 10% Owner | PPurchase | +17.9K | $1.28 | +$22.9K | New position17.9K after | |
| Mar 18, 2025 (view filing) | Mar 14 | 4 days | Barnes Kelly AnnDirector | PPurchase | +31.0K | $1.30 | +$40.3K | New position31.0K after | |
| Mar 17, 2025 (view filing) | Mar 13 | 4 days | Schulman Amy WDirector | PPurchase | +8.55K | $1.17 | +$10.0K | New position8.55K after |
Top 10 13F holders, Q2 2026
See all 79 holdersThe largest institutional positions in Fractyl Health, Inc. at the end of Q2 2026; share changes are against Q1 2026.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Nantahala Capital Management, LLC | 11,289,096 | $8.97M | 0.54% | −2,075,423−15.5% | Reduced |
| Catalio Capital Management, LP | 6,168,749 | $4.90M | 0.92% | +676,883+12.3% | Added |
| Vanguard Capital Management LLC | 6,096,926 | $4.84M | 0.00% | +563,920+10.2% | Added |
| Bank of America Corp | 6,034,147 | $4.79M | 0.00% | +5,909,158+4,727.7% | Added |
| Pale Fire Capital SE | 5,003,237 | $3.97M | 0.28% | −917,808−15.5% | Reduced |
| General Catalyst Group Management, LLC | 4,884,186 | $3.88M | 2.06% | −70.0% | Reduced |
| Deer Management Co. LLC | 4,770,901 | $3.79M | 0.47% | 00.0% | Unchanged |
| Maverick Capital LtdSuperinvestorMaverick Capital | 3,974,806 | $3.16M | 0.03% | 00.0% | Unchanged |
| M28 Capital Management LP | 1,856,117 | $1.47M | 3.13% | 00.0% | Unchanged |
| BlackRock, Inc. | 1,801,060 | $1.43M | 0.00% | −338,777−15.8% | Reduced |
Holders of 5% or more of GUTS
See all 3 holders and filingsHolders whose latest Schedule 13D or 13G filing reports 5% or more of Fractyl Health, Inc..
| Holder | Latest form | Stake | Change | First filed | Latest filing | Filing |
|---|---|---|---|---|---|---|
| Nantahala Capital Management, LLC | 13G/A | 9.99%16.1M shares | 0.00 ppfrom 9.99% | Nov 14, 20252 filings | May 15, 2026 | SEC |
| BVP VII Special Opportunity Fund LP | 13G | 9.90%4.77M shares | New | Feb 14, 20251 filing | Feb 14, 2025 | SEC |
| Catalio Capital Management, LP | 13G | 5.60%736.8K shares | New | Oct 13, 20261 filing | Oct 13, 2026 | SEC |