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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
Avion Wealth1,042$00.00%+1,042New
Optiver Holding B.V.14$60.00%00.0%Unchanged
SBI Securities Co., Ltd.121$550.00%+1+0.8%Added
Annis Gardner Whiting Capital Advisors, LLC200$920.00%+200New
Northwestern Mutual Wealth Management Co360$1650.00%+360New
Jones Financial Companies LLLP500$2240.00%00.0%Unchanged
BNP Paribas Arbitrage, SA802$3670.00%00.0%Unchanged
JPMorgan Chase & Co934$3990.00%00.0%Unchanged
St. Johns Investment Management Company, LLC1,980$9060.00%00.0%Unchanged
Sound Income Strategies, LLC1,971$9160.00%00.0%Unchanged
Triumph Capital Management3,000$1.37K0.00%00.0%Unchanged
Royal Bank of Canada3,471$2.00K0.00%+3,471New
TFC Financial Management5,000$2.29K0.00%+5,000New
Larson Financial Group LLC5,953$2.73K0.00%00.0%Unchanged
Bank of New York Mellon Corp10,079$4.61K0.00%00.0%Unchanged
R Squared Ltd11,276$5.16K0.00%−2,703−19.3%Reduced
Prelude Capital Management, LLC11,286$5.17K0.00%−69,311−86.0%Reduced
Victory Capital Management Inc12,686$5.81K0.00%−373−2.9%Reduced
Beaumont Capital Management, LLC15,500$7.10K0.01%+15,500New
Wealthspire Advisors, LLC15,617$7.15K0.00%+15,617New
Parkside Financial Bank & Trust15,664$7.17K0.00%−640−3.9%Reduced
LMR Partners LLP15,871$7.27K0.00%+15,871New
Creative Planning16,528$7.57K0.00%−986−5.6%Reduced
Bronte Capital Management Pty Ltd.16,905$7.74K0.00%00.0%Unchanged
SummitTX Capital, L.P.18,200$8.33K0.00%+18,200New
Verition Fund Management LLC19,971$9.14K0.00%−34,939−63.6%Reduced
Raymond James Financial Inc20,074$9.19K0.00%+5,000+33.2%Added
LPL Financial LLC20,425$9.35K0.00%+10,000+95.9%Added
Brookstone Capital Management21,272$9.74K0.00%+21,272New
Schonfeld Strategic Advisors LLC29,115$13.3K0.00%−21,089−42.0%Reduced
Marex Group plc29,537$13.5K0.00%+29,537New
Wells Fargo & Company31,000$14.2K0.00%+31,000New
FNY Investment Advisers, LLC35,500$16.0K0.01%−13,150−27.0%Reduced
Renaissance Technologies LLC35,200$16.1K0.00%−1,827,851−98.1%Reduced
Jane Street Group, LLC39,709$18.2K0.00%−1,822,891−97.9%Reduced
Chicago Partners Investment Group LLC31,000$18.3K0.00%00.0%Unchanged
Evoke Wealth, LLC40,000$18.3K0.00%+40,000New
Phraction Management LLC41,000$18.8K0.00%+41,000New
Vanguard Global Advisers, LLC41,311$18.9K0.00%+41,311New
XTX Topco Ltd44,192$20.2K0.00%−7,740−14.9%Reduced
Catalyst Funds Management Pty Ltd46,800$21.4K0.00%+46,800New
Citadel Advisors LLC48,196$22.1K0.00%−180,789−79.0%Reduced
HighTower Advisors, LLC51,442$23.6K0.00%00.0%Unchanged
Cambridge Investment Research Advisors, Inc.64,000$29.0K0.00%00.0%Unchanged
Conservest Capital Advisors, Inc.64,118$29.4K0.00%00.0%Unchanged
Goldman Sachs Group Inc68,433$31.3K0.00%−3,356,764−98.0%Reduced
Gsa Capital Partners LLP87,465$40.0K0.00%−101,711−53.8%Reduced
Accredited Investors Inc.100,000$45.8K0.00%+100,000New
Advisor Group Holdings, Inc.100,812$46.4K0.00%+25,336+33.6%Added
Barclays PLC116,048$53.1K0.00%−127,246−52.3%Reduced
Omers Administration Corp123,900$56.7K0.00%−55,400−30.9%Reduced
Bank of America Corp124,989$57.1K0.00%−1,067,247−89.5%Reduced
Cerity Partners LLC168,500$77.1K0.00%+5,000+3.1%Added
Susquehanna International Group, LLP176,087$80.6K0.00%−623,370−78.0%Reduced
PEAK6 LLC200,000$91.6K0.00%00.0%Unchanged
Bridgeway Capital Management, LLC208,925$95.6K0.00%+154,425+283.3%Added
Northern Trust Corp215,877$98.8K0.00%00.0%Unchanged
Brevan Howard Capital Management LP232,369$99.2K0.00%−232,369−50.0%Reduced
Boothbay Fund Management, LLC275,219$126.0K0.00%00.0%Unchanged
Shay Capital LLC357,865$163.8K0.02%+221,297+162.0%Added
State Street Corp464,700$212.7K0.00%−48,000−9.4%Reduced
Two Sigma Investments, LP479,737$219.6K0.00%−1,360,399−73.9%Reduced
Morgan Stanley495,901$227.0K0.00%−160,581−24.5%Reduced
Burkehill Global Management, LP500,000$228.9K0.01%00.0%Unchanged
Vanguard Fiduciary Trust Co606,185$277.6K0.00%+606,185New
Marshall Wace, LLP807,796$371.6K0.00%−5,118,949−86.4%Reduced
Logos Global Management LP1,000,000$457.8K0.02%−100,000−9.1%Reduced
Ikarian Capital, LLC1,100,000$503.6K0.07%00.0%Unchanged
CM Management, LLC1,400,000$640.9K0.54%+600,000+75.0%Added
Geode Capital Management, LLC1,435,261$657.4K0.00%+171,406+13.6%Added
UBS Group AG1,622,163$743.0K0.00%+508,181+45.6%Added
Silverarc Capital Management, LLC1,701,625$779.0K0.09%−8,138,416−82.7%Reduced
M28 Capital Management LP1,856,117$849.7K1.58%00.0%Unchanged
BlackRock, Inc.2,139,837$979.6K0.00%+56,519+2.7%Added
Woodline Partners LP2,241,679$1.03M0.00%−3,265,092−59.3%Reduced
Maverick Capital LtdSuperinvestorMaverick Capital3,974,806$1.82M0.02%−273,686−6.4%Reduced
Deer Management Co. LLC4,770,901$2.19M0.35%00.0%Unchanged
General Catalyst Group Management, LLC4,884,193$2.24M1.22%00.0%Unchanged
Catalio Capital Management, LP5,491,866$2.51M0.53%00.0%Unchanged
Vanguard Capital Management LLC5,533,006$2.53M0.00%+5,533,006New
Pale Fire Capital SE5,921,045$2.71M0.24%+2,711,103+84.5%Added
683 Capital Management, LLC6,727,235$3.08M0.29%+679,615+11.2%Added
Nantahala Capital Management, LLC13,364,519$6.12M0.38%+2,518,079+23.2%Added
Alyeska Investment Group, L.P.0$00.00%−3,809,523−100.0%Sold out
Atom Investors LP0$00.00%−1,883,018−100.0%Sold out
Millennium Management LLC0$00.00%−1,861,418−100.0%Sold out
D. E. Shaw & Co., Inc.0$00.00%−1,442,745−100.0%Sold out
Two Sigma Advisers, LP0$00.00%−1,298,700−100.0%Sold out
Newtyn Management, LLC0$00.00%−1,134,021−100.0%Sold out
Massachusetts Financial Services Co0$00.00%−852,344−100.0%Sold out
Walleye Capital LLC0$00.00%−592,125−100.0%Sold out
Diametric Capital, LP0$00.00%−503,409−100.0%Sold out
Soleus Capital Management, L.P.0$00.00%−400,000−100.0%Sold out
Rosalind Advisors, Inc.0$00.00%−385,731−100.0%Sold out
Point72 Asset Management, L.P.0$00.00%−365,173−100.0%Sold out
Quadrature Capital Ltd0$00.00%−290,714−100.0%Sold out
ExodusPoint Capital Management, LP0$00.00%−178,024−100.0%Sold out
Hudson Bay Capital Management LP0$00.00%−171,816−100.0%Sold out
Squarepoint Ops LLC0$00.00%−147,659−100.0%Sold out
Quantbot Technologies LP0$00.00%−120,434−100.0%Sold out