GUTS Institutional Ownership
Who owns Fractyl Health, Inc. and what the big funds did with it last quarter, from every SEC 13F filing. 78 funds reported holding GUTS at Jun 30, 2026, together owning 51.6% of the company.
- ●29 buying vs 33 selling
- ▲Held by funds +6.4 pts
- ▼Funds holding -7
- ●Superinvestors: 1 added, 1 cut
- ●Put/call not meaningful
What the filings show, not a forecast. Positions can be up to 45 days old and leave out short sales.
Funds holding and ownership
8 quartersQuarter over quarter
all 13F filers| Q2 2026 | This quarter | Q1 2026 | Change |
|---|---|---|---|
| Funds holding | 78 | 85 | −8.2% |
| In funds' top 10 | 3 | 3 | 0.0% |
| 13F shares | 82.1M | 72M | +14.0% |
| Held by funds | 51.6% | 45.2% | +6.4 pts |
| New positions | 12 | 16 | −25.0% |
| Increased | 17 | 14 | +21.4% |
| Reduced | 15 | 28 | −46.4% |
| Sold out | 18 | 30 | −40.0% |
| Calls (shares) | 0 | 1.4M | −100.0% |
| Puts (shares) | 0 | 0 | – |
| Put/call ratio | – | 0.00 | – |
Buyers vs sellers
adding or new vs cutting or sold outSuperinvestors in GUTS
All superinvestors →
Who owns GUTS
share of fund held shares- Index and passive funds13.1%
- Active managers and hedge funds74.7%
- Banks and brokers12.2%
- Pensions, insurers and other0.0%
The top 10 holders own 76.9% of all GUTS shares that funds reported. Groups are our own grouping of filers by name.
Put/call ratio
funds' options, market makers left outAbove 1 means funds hold more puts than calls, a sign of hedging or bets on a fall. Options are valued at the underlying shares.
Filed so far for Q3 2026
10 funds changed their position- FNY Investment Advisers, LLCSold out−65K sh
- Phraction Management LLCSold out−41K sh
- Chicago Partners Investment Group LLCSold out−31K sh
- Farther Finance Advisors, LLCNew+37K sh
- FNY Investment Advisers, LLCNew+36K sh
🔒 Free account: see all 10.
Top holders
Q2 2026| # | Fund | Of company | Shares | Value | Change |
|---|---|---|---|---|---|
| 1 | Nantahala Capital Management, LLC | 14.18% | 22.6M | $17.9M | +9.2M |
| 2 | Catalio Capital Management, LP | 3.88% | 6.2M | $4.9M | +677K |
| 3 | Vanguard Capital Management LLC | 3.83% | 6.1M | $4.8M | +564K |
| 4 | Bank of America Corp /de/ | 3.79% | 6M | $4.8M | +5.9M |
| 5 | Pale Fire Capital SE | 3.14% | 5M | $4M | −918K |
| 6 | General Catalyst Group Management, LLC | 3.07% | 4.9M | $3.9M | −7 |
| 7 | Deer Management Co. LLC | 3.00% | 4.8M | $3.8M | 0 |
| 8 | Maverick Capital Ltd | 2.50% | 4M | $3.2M | 0 |
| 9 | M28 Capital Management LP | 1.17% | 1.9M | $1.5M | 0 |
| 10 | BlackRock, Inc. | 1.13% | 1.8M | $1.4M | −339K |
- Nantahala Capital Management, LLC+9.2M sh+$7.3M
- Bank of America Corp /de/+5.9M sh+$4.7M
- Jane Street Group, LLC+1.7M sh+$1.3M
- Catalio Capital Management, LP+677K sh+$538K
- Brevan Howard Capital Management LP+684K sh+$537K
- Vanguard Capital Management LLC+564K sh+$448K
- Mink Brook Asset Management LLC+353K sh+$280K
- Marshall Wace, LLP+273K sh+$216K
- 683 Capital Management, LLC−6M sh−$4.7M
- Pale Fire Capital SE−918K sh−$729K
- Woodline Partners LP−458K sh−$364K
- BlackRock, Inc.−339K sh−$269K
- Burkehill Global Management, LP−500K sh−$229K
- Two Sigma Investments, LP−255K sh−$203K
- Shay Capital LLC−228K sh−$181K
- Susquehanna International Group, LLP−161K sh−$128K
GUTS institutional ownership FAQ
Who owns the most GUTS stock?
In Q2 2026 13F filings the largest holder of GUTS was Nantahala Capital Management, LLC, followed by Catalio Capital Management, LP and Vanguard Capital Management LLC. Index fund managers are usually the biggest holders of large companies.
What percentage of GUTS is owned by institutions?
Funds that file 13F reports held 51.6% of GUTS's shares at Jun 30, 2026, compared with 45.2% a quarter earlier. That counts every manager with more than $100 million in US stocks.
Are hedge funds buying GUTS?
In Q2 2026, 29 funds bought GUTS (12 of them new positions) and 33 sold (18 sold out completely). Among well known investors, 1 added and 1 cut. Our fund sentiment for GUTS is neutral.
What is GUTS's institutional put/call ratio?
Too few option positions were reported for a meaningful ratio.
How current is this GUTS ownership data?
13F filings show holdings at the end of each quarter and are due within 45 days, so positions can be up to six weeks old when they appear. We add each new filing within minutes, and the "filed so far" list shows funds that have already reported the next quarter.
For informational and educational purposes only. Not investment advice, and not a recommendation to buy or sell any security. Fund sentiment summarises what 13F filings show and is not a forecast. Holdings come from SEC Form 13F filings as reported and show positions at the end of the quarter, up to 45 days before the filing. A 13F leaves out short positions, cash, bonds and most foreign holdings. See all hedge fund holdings.