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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; 77 institutions reported holding it in 13F filings for Q2 2026, worth $56.2M in total; Maverick Capital is the only superinvestor holding it.

13F holders, Q1 2026

Institutional positions in Fractyl Health, Inc. as of Mar 31, 2026. Investment managers with $100 million or more in US stocks report their long positions on Form 13F within 45 days after each quarter ends. How 13F works

Institutional holders
83
−11 vs. Q4 2025
Shares held
72.0M
−29.7M (−29.2%) vs. Q4 2025
Total value
$33.0M
−$190.8M (−85.3%) vs. Q4 2025
New holders
19
14 more added
Sold out
30
27 more reduced

3 institutions that held it in Q4 2025 haven't filed for Q1 2026 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.

Compare with Q4 2025: new holders, sold out and not filed yet

Holders and value by quarter

Institutions reporting GUTS on Form 13F each quarter since Q1 2021, and the total value they reported. Values are as of each quarter end, so they also move with the share price.

Institutional holdersQ1 2026: 83 institutions
Q1 2021: 0 institutionsQ2 2021: 0 institutionsQ3 2021: 0 institutionsQ4 2021: 0 institutionsQ1 2022: 0 institutionsQ2 2022: 0 institutionsQ3 2022: 0 institutionsQ4 2022: 0 institutionsQ1 2023: 0 institutionsQ2 2023: 0 institutionsQ3 2023: 0 institutionsQ4 2023: 0 institutionsQ1 2024: 42 institutionsQ2 2024: 44 institutionsQ3 2024: 61 institutionsQ4 2024: 65 institutionsQ1 2025: 65 institutionsQ2 2025: 62 institutionsQ3 2025: 74 institutionsQ4 2025: 97 institutionsQ1 2026: 83 institutionsQ2 2026: 77 institutions
Value heldQ1 2026: $33.0M
Q1 2021: $0Q2 2021: $0Q3 2021: $0Q4 2021: $0Q1 2022: $0Q2 2022: $0Q3 2022: $0Q4 2022: $0Q1 2023: $0Q2 2023: $0Q3 2023: $0Q4 2023: $0Q1 2024: $185.3MQ2 2024: $116.9MQ3 2024: $65.4MQ4 2024: $53.4MQ1 2025: $29.7MQ2 2025: $44.9MQ3 2025: $145.4MQ4 2025: $247.3MQ1 2026: $33.0MQ2 2026: $56.2M
Institutions holding GUTS and their total value by quarter
QuarterHoldersValue
Q2 202677$56.2M
Q1 202683$33.0M
Q4 202597$247.3M
Q3 202574$145.4M
Q2 202562$44.9M
Q1 202565$29.7M
Q4 202465$53.4M
Q3 202461$65.4M
Q2 202444$116.9M
Q1 202442$185.3M
Q4 20230$0
Q3 20230$0
Q2 20230$0
Q1 20230$0
Q4 20220$0
Q3 20220$0
Q2 20220$0
Q1 20220$0
Q4 20210$0
Q3 20210$0
Q2 20210$0
Q1 20210$0

Institutions, Q1 2026

Shares, value and share of portfolio for each institution holding Fractyl Health, Inc.; share changes are against Q4 2025.

Institutions holding GUTS in Q1 2026
InstitutionSharesValue% of portfolioChange in sharesAction
Qube Research & Technologies Ltd0$00.00%−117,631−100.0%Sold out
Virtu Financial LLC0$00.00%−69,427−100.0%Sold out
Balyasny Asset Management LLC0$00.00%−60,219−100.0%Sold out
Susquehanna Portfolio Strategies, LLC0$00.00%−49,137−100.0%Sold out
Commonwealth Equity Services, LLC0$00.00%−38,700−100.0%Sold out
Lighthouse Investment Partners, LLC0$00.00%−36,300−100.0%Sold out
Citigroup Inc0$00.00%−35,076−100.0%Sold out
Jump Financial, LLC0$00.00%−26,000−100.0%Sold out
Scientech Research LLC0$00.00%−18,006−100.0%Sold out
Centiva Capital, LP0$00.00%−17,419−100.0%Sold out
Tower Research Capital LLC (TRC)0$00.00%−14,768−100.0%Sold out
Millington Financial Advisors, LLC0$00.00%−12,562−100.0%Sold out
Allworth Financial LP0$00.00%−149−100.0%Sold out
Vanguard Group Inc––––Not filed
HCC Manager LLC––––Not filed
CIBC Private Wealth Group, LLC––––Not filed