Who owns FRACTYL HEALTH, INC.?
Prices and market caps: Cboe delayed data, at least 15 minutes delayed. Not real-time. Fundamentals from company filings.
Institutional ownership of GUTS from SEC Form 13F filings across 76 reporting managers. All positions are from one synchronized reporting period — 2026-06-30 books, filed up to 45 days after quarter end — so every row is comparable.
As of the 2026-06-30 reporting period, 76 institutions disclosed 70.8M shares of FRACTYL HEALTH, INC. worth $56.2M — about 44.6% of shares outstanding; the largest disclosed holder is Nantahala Capital Management, LLC. Source: SEC Form 13F filings, parsed by EvidInvest.
76
13F holders
$56.2M
value, 2026 filers
44.6%
of shares outstanding (70.8M sh)
12
new positions (2026 filers)
Top institutional holders
ordered by shares owned · positions as of 2026-06-30 · % of fund = share of the manager's own book · % of co. = share of GUTS's shares outstanding
| # | Manager | Shares | Value | % of fund | % of co. | Δ shares QoQ |
|---|---|---|---|---|---|---|
| 1 | Nantahala Capital Management, LLC | 11.3M | $9.0M | 0.3% | 7.1% | -15.5% |
| 2 | Catalio Capital Management, LP | 6.2M | $4.9M | 0.9% | 3.9% | +12.3% |
| 3 | VANGUARD CAPITAL MANAGEMENT LLC | 6.1M | $4.8M | 0.0% | 3.8% | +10.2% |
| 4 | BANK OF AMERICA CORP /DE/ | 6.0M | $4.8M | 0.0% | 3.8% | +4727.7% |
| 5 | Pale Fire Capital SE | 5.0M | $4.0M | 0.3% | 3.2% | -15.5% |
| 6 | General Catalyst Group Management, LLC | 4.9M | $3.9M | 2.1% | 3.1% | 0.0% |
| 7 | Deer Management Co. LLC | 4.8M | $3.8M | 0.5% | 3% | 0.0% |
| 8 | MAVERICK CAPITAL LTD | 4.0M | $3.2M | 0.0% | 2.5% | 0.0% |
| 9 | M28 Capital Management LP | 1.9M | $1.5M | 3.1% | 1.2% | 0.0% |
| 10 | BlackRock, Inc. | 1.8M | $1.4M | 0.0% | 1.1% | -15.8% |
| 11 | Woodline Partners LP | 1.8M | $1.4M | 0.0% | 1.1% | -20.4% |
| 12 | JANE STREET GROUP, LLC | 1.7M | $1.4M | 0.0% | 1.1% | +4260.8% |
| 13 | SILVERARC CAPITAL MANAGEMENT, LLC | 1.6M | $1.3M | 0.1% | 1% | -3.7% |
| 14 | UBS Group AG | 1.6M | $1.3M | 0.0% | 1% | -2.6% |
| 15 | CM Management, LLC | 1.4M | $1.1M | 0.7% | 0.9% | 0.0% |
| 16 | GEODE CAPITAL MANAGEMENT, LLC | 1.3M | $1.0M | 0.0% | 0.8% | -8.3% |
| 17 | Ikarian Capital, LLC | 1.1M | $873,840 | 0.1% | 0.7% | 0.0% |
| 18 | MARSHALL WACE, LLP | 1.1M | $853,726 | 0.0% | 0.7% | +33.8% |
| 19 | Logos Global Management LP | 1.0M | $794,400 | 0.0% | 0.6% | 0.0% |
| 20 | Brevan Howard Capital Management LP | 916,321 | $719,266 | 0.0% | 0.6% | +294.3% |
| 21 | 683 Capital Management, LLC | 756,715 | $601,134 | 0.0% | 0.5% | -88.8% |
| 22 | VANGUARD FIDUCIARY TRUST CO | 722,132 | $573,373 | 0.0% | 0.5% | +19.1% |
| 23 | STATE STREET CORP | 516,000 | $409,910 | 0.0% | 0.3% | +11.0% |
| 24 | MORGAN STANLEY | 426,504 | $338,815 | 0.0% | 0.3% | -14.0% |
| 25 | Mink Brook Asset Management LLCNEW | 352,745 | $280,221 | 0.1% | 0.2% | new |
Source: SEC Form 13F-HR filings (institutional managers over $100M in US-listed positions). 13Fs disclose long positions only, up to 45 days after quarter end; each manager's latest filed quarter is shown per row and dollar values are the manager's filed marks. Aggregates labeled "2026 filers" count only managers whose latest book is a 2026 quarter. Related: valuation · options positioning · supply chain. Research, not investment advice.