Fractyl Health Ownership | Who Owns Fractyl Health?
Fractyl Health Ownership Summary
Fractyl Health is owned by 106.24% institutional investors, 1.37% insiders. Nantahala capital management is the largest institutional shareholder, holding 16.78% of GUTS shares.
GUTS Ownership Benchmark
| Type | Name | % Inst | % Insiders | % Retail |
|---|---|---|---|---|
| Stock | Fractyl Health | 106.24% | 1.37% | -7.60% |
| Sector | Healthcare Stocks | 232.01% | 10.74% | -142.75% |
| Industry | Biotech Stocks | 381.47% | 10.55% | -292.02% |
Institutional Shareholders
Top Institutional Shareholders by Total Shares
| Holder | Shares | % Holding | Value |
|---|---|---|---|
| Nantahala capital management | 10.85M | 16.78% | $23.86M |
| Silverarc capital management | 9.84M | 15.22% | $21.65M |
| Alyeska investment group | 5.65M | 11.52% | $8.98M |
| Woodline partners lp | 5.51M | 11.23% | $8.76M |
| Catalio capital management, lp | 5.21M | 10.63% | $8.29M |
| General catalyst group management | 4.88M | 9.96% | $7.77M |
| Deer management | 4.77M | 9.73% | $7.59M |
| 683 capital management | 4.65M | 9.48% | $7.39M |
| Vanguard group | 6.03M | 9.32% | $13.26M |
| Maverick capital | 4.25M | 8.66% | $6.76M |
Top Institutional Shareholders by % of Total Assets
| Holder | Shares | % Assets | Value |
|---|---|---|---|
| Hcc manager | 4.67M | 100.00% | $10.28M |
| M28 capital management lp | 1.86M | 4.34% | $2.95M |
| Silverarc capital management | 9.84M | 3.01% | $21.65M |
| Catalio capital management, lp | 5.21M | 1.53% | $8.29M |
| Cm management | 800.00K | 1.48% | $1.76M |
| Nantahala capital management | 10.85M | 0.79% | $23.86M |
| Deer management | 4.77M | 0.68% | $7.59M |
| 683 capital management | 4.65M | 0.39% | $7.39M |
| Rosalind advisors | 385.73K | 0.30% | $848.61K |
| Ikarian capital | 1.80M | 0.29% | $2.86M |
Top Buyers
| Holder | Shares | % Assets | Change |
|---|---|---|---|
| Alyeska investment group | 5.65M | 0.03% | 5.65M |
| Catalio capital management, lp | 5.21M | 1.53% | 5.00M |
| Woodline partners lp | 5.51M | 0.04% | 4.91M |
| Vanguard group | 6.03M | 0.00% | 4.11M |
| 683 capital management | 4.65M | 0.39% | 4.00M |
Top Sellers
| Holder | Shares | % Assets | Change |
|---|---|---|---|
| Rosalind advisors | 385.73K | 0.30% | -4.61M |
| Soleus capital management | 400.00K | 0.03% | -2.10M |
| Nantahala capital management | 10.85M | 0.79% | -1.29M |
| Silverarc capital management | 9.84M | 3.01% | -759.96K |
| Alphabet | - | - | -662.58K |
New Positions
| Holder | Shares | % Assets | Change | Value |
|---|---|---|---|---|
| Alyeska investment group | 5.65M | 0.03% | 5.65M | $8.98M |
| Point72 asset management | 2.19M | 0.01% | 2.19M | $3.48M |
| Ikarian capital | 1.80M | 0.29% | 1.80M | $2.86M |
| Marshall wace, llp | 1.77M | 0.00% | 1.77M | $2.81M |
| Boothbay fund management | 655.20K | 0.02% | 655.20K | $1.04M |
Sold Out
| Holder | Change |
|---|---|
| Principal securities | -15.00 |
| Eversource wealth advisors | -39.00 |
| True wealth design | -156.00 |
| Sterling capital management | -237.00 |
| Wells fargo & company/mn | -297.00 |
Institutional Ownership Trends
| Date | Holdings | Change % | Shares | Change % | Ownership | Change % | Increased Position | Change % | Decreased Position | Change % |
|---|---|---|---|---|---|---|---|---|---|---|
| Dec 31, 2025 | 56 | -23.29% | 68,684,059 | -24.94% | 106 | 0.53% | 35 | -28.57% | 11 | -8.33% |
| Sep 30, 2025 | 69 | 15.00% | 85,764,329 | 209.73% | 174 | 5.49% | 46 | 43.75% | 12 | -36.84% |
| Jun 30, 2025 | 60 | -7.69% | 27,636,590 | 10.79% | 56 | 2.16% | 31 | 6.90% | 20 | 25.00% |
| Mar 31, 2025 | 65 | 3.17% | 24,944,423 | -3.05% | 51 | 1.46% | 29 | -19.44% | 16 | 45.45% |
| Dec 31, 2024 | 64 | 8.47% | 25,894,637 | 0.57% | 59 | 2.06% | 37 | -21.28% | 11 | 175.00% |
Recent Insider Transactions
| Date | Name | Role | Activity | Value |
|---|---|---|---|---|
| Dec 04, 2025 | Rajagopalan Harith | Chief Executive Officer | Buy | $20.00K |
| Feb 06, 2024 | CVF, LLC | - | Buy | $5.00M |
Insider Transactions Trends
| Date | Buy | Sell |
|---|---|---|
| 2026 Q1 | - | - |
| 2025 Q4 | 1 | - |
| 2025 Q3 | - | - |
| 2025 Q2 | - | - |
| 2024 Q1 | 1 | - |
GUTS Ownership FAQ
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