Fractyl Health, Inc. (GUTS)
Nasdaq: GUTS · Surgical & Medical Instruments & Apparatus · Burlington, MA · filing with the SEC since 2013
Who owns Fractyl Health, Inc.
As filed with the SECHolders of 5% or more
3
Nantahala Capital Management, LLC holds 9.99% of Common Stock, $0.00001 par value per share, as its SCHEDULE 13G/A filed May 15, 2026 says.
Directors and officers
12
report now, of 18 people on the record since 2024. Their holdings as a group are not read here.
Institutions as a whole
n/a
The record does not read the share held by managers that file Form 13F, so none is printed and no split of the rest is estimated. What it holds is the 3 named at left.
Holders of 5% or moreshare of the class, as filed
Nantahala Capital Management, LLC
SCHEDULE 13G/A · filed May 15, 2026 · Common Stock, $0.00001 par value per share · 9.99% in Nov 14, 2025
Deer VII & Co. L.P.
SCHEDULE 13G · filed Feb 14, 2025 · Common Stock, $0.00001 par value per share
Catalio Capital Management, LP
SCHEDULE 13G · filed Oct 13, 2026 · Common Stock, $0.00001 par value per share
Alyeska Investment Group, L.P.
SCHEDULE 13G/A · filed Feb 17, 2026 · Common Stock, $0.00001 par value per share · reported falling below 5%, from 9.7% in Nov 14, 2025
683 Capital Management, LLC
SCHEDULE 13G/A · filed May 15, 2026 · Common Stock, $0.00001 par value per share · reported falling below 5%, from 5.33% in Oct 14, 2025
Ajay Royan
SCHEDULE 13G/A · filed Feb 12, 2026 · Common Stock, par value $0.00001 per share · reported falling below 5%
Blackrock, Inc.
SCHEDULE 13G/A · filed Apr 23, 2025 · Common Stock · reported falling below 5%, from 5.2% in Feb 4, 2025
Cvf, LLC
SCHEDULE 13G/A · filed Feb 4, 2026 · Common Stock, par value $0.00001 per share · reported falling below 5%
Maverick Capital, Ltd.
SCHEDULE 13G/A · filed Nov 14, 2025 · Common Stock, $0.00001 par value per share · reported falling below 5%
SilverArc Capital Management, LLC
SCHEDULE 13G/A · filed May 13, 2026 · Class A Common Stock · reported falling below 5%, from 8.02% in Nov 14, 2025
What GUTS reports owning in othersstakes of 5% or more, and other ties
Fractyl Health, Inc. reports no stake in another company in the record.
Insider tradesForm 4
0sales
7purchases
0sales on a scheduled plan
0people selling
$0sold, in dollars
$200,000bought, in dollars
Open-market trades on Form 4 from Sep 30, 2025 to Sep 30, 2026. A scheduled plan is a selling program set in advance under SEC rule 10b5-1. The trades are listed as filed and do not feed the grade.
By calendar yearSoldBought
2026 runs to Sep 30, 2026. Dollars as filed, summed by the transaction date.
People who traded in the window5 of 38 on the roster
| Person | Role as filed | Sales | Sold | On a plan | Buys | Bought |
|---|---|---|---|---|---|---|
| Rajagopalan Harith | Chief Executive Officer | 0 | $0 | 0 | 2 | $0 |
| Bradley William | director | 0 | $0 | 0 | 2 | $100,000 |
| Smith Weber Lara | Chief Financial Officer | 0 | $0 | 0 | 1 | $0 |
| Royan Ajay | director | 0 | $0 | 0 | 1 | $0 |
| Sheffield Ian | director | 0 | $0 | 0 | 1 | $0 |