FRACTYL HEALTH, INC.

GUTS
Exchange
Nasdaq
Industry
Surgical & Medical Instruments & Apparatus
SEC CIK
0001572616

13F holders, Q4 2025

Positions as of Dec 31, 2025.

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
97
+23 vs. Q3 2025
Shares held
112.63M
+20.83M (+22.7%) vs. Q3 2025
Total value
$247.79M
+$101.88M (+69.8%) vs. Q3 2025

Compare with Q3 2025: new holders and sold out

Holders over time

42 in Q1 2024 → 97 in Q4 2025

Show by quarter
Number of institutions holding GUTS by quarter
QuarterHolders
Q4 202597
Q3 202574
Q2 202562
Q1 202565
Q4 202465
Q3 202461
Q2 202444
Q1 202442

Institutions

Institutions holding GUTS in Q4 2025
InstitutionSharesValue% of portfolioChange in sharesAction
Nantahala Capital Management, LLC10,846,440$23.86M1.42%−1,290,477−10.6%Reduced
SILVERARC CAPITAL MANAGEMENT, LLC9,840,041$21.65M3.13%−759,959−7.2%Reduced
683 Capital Management, LLC6,047,620$13.3M1.11%+1,397,620+30.1%Added
VANGUARD GROUP INC6,028,179$13.26M0.00%+4,107,032+213.8%Added
MARSHALL WACE, LLP5,926,745$13.04M0.01%+4,156,969+234.9%Added
Woodline Partners LP5,506,771$12.11M0.05%+2370.0%Added
Catalio Capital Management, LP5,491,866$12.08M2.14%+277,630+5.3%Added
General Catalyst Group Management, LLC4,884,193$10.75M4.85%00.0%Unchanged
Deer Management Co. LLC4,770,901$10.5M1.02%00.0%Unchanged
HCC Manager LLC4,673,870$10.28M100.00%−10.0%Reduced
MAVERICK CAPITAL LTDSuperinvestorMaverick Capital4,248,492$9.35M0.10%00.0%Unchanged
Alyeska Investment Group, L.P.3,809,523$8.38M0.02%−1,838,848−32.6%Reduced
GOLDMAN SACHS GROUP INC3,425,197$7.54M0.00%+2,934,749+598.4%Added
Pale Fire Capital SE3,209,942$7.06M0.91%+3,209,942New
BlackRock, Inc.2,083,318$4.58M0.00%+1,323,323+174.1%Added
Atom Investors LP1,883,018$4.14M0.33%+1,883,018New
RENAISSANCE TECHNOLOGIES LLC1,863,051$4.1M0.01%+1,086,351+139.9%Added
JANE STREET GROUP, LLC1,862,600$4.1M0.00%+1,862,600New
MILLENNIUM MANAGEMENT LLC1,861,418$4.1M0.00%+1,453,751+356.6%Added
M28 Capital Management LP1,856,117$4.08M2.97%00.0%Unchanged
TWO SIGMA INVESTMENTS, LP1,840,136$4.05M0.01%+1,840,136New
D. E. Shaw & Co., Inc.1,442,745$3.17M0.00%+1,148,455+390.2%Added
TWO SIGMA ADVISERS, LP1,298,700$2.86M0.01%+1,298,700New
GEODE CAPITAL MANAGEMENT, LLC1,263,855$2.78M0.00%+968,907+328.5%Added
BANK OF AMERICA CORP /DE/1,192,236$2.62M0.00%+1,103,602+1,245.1%Added
Newtyn Management, LLC1,134,021$2.49M0.26%+1,134,021New
UBS Group AG1,113,982$2.45M0.00%+361,386+48.0%Added
Ikarian Capital, LLC1,100,000$2.42M0.31%−700,000−38.9%Reduced
Logos Global Management LP1,100,000$2.42M0.16%+600,000+120.0%Added
MASSACHUSETTS FINANCIAL SERVICES CO /MA/852,344$1.88M0.00%−73,505−7.9%Reduced
CM Management, LLC800,000$1.76M1.48%+200,000+33.3%Added
SUSQUEHANNA INTERNATIONAL GROUP, LLP799,457$1.76M0.00%+799,457New
MORGAN STANLEY656,482$1.44M0.00%+226,251+52.6%Added
Walleye Capital LLC592,125$1.3M0.01%+592,125New
STATE STREET CORP512,700$1.13M0.00%+471,900+1,156.6%Added
Diametric Capital, LP503,409$1.11M0.30%+377,780+300.7%Added
Burkehill Global Management, LP500,000$1.1M0.07%00.0%Unchanged
Brevan Howard Capital Management LP464,738$1.05M0.02%+464,738New
Soleus Capital Management, L.P.400,000$880K0.04%−2,100,000−84.0%Reduced
PEAK6 LLC400,000$880K0.01%−100,000−20.0%Reduced
Rosalind Advisors, Inc.385,731$848.61K0.31%−4,614,269−92.3%Reduced
Point72 Asset Management, L.P.365,173$803.38K0.00%−1,822,826−83.3%Reduced
Quadrature Capital Ltd290,714$639.57K0.01%+277,174+2,047.1%Added
BOOTHBAY FUND MANAGEMENT, LLC275,219$605.48K0.02%−379,981−58.0%Reduced
BARCLAYS PLC243,294$535.25K0.00%+243,294New
CITADEL ADVISORS LLC228,985$503.77K0.00%−1,553,371−87.2%Reduced
NORTHERN TRUST CORP215,877$474.93K0.00%+201,237+1,374.6%Added
GSA CAPITAL PARTNERS LLP189,176$416K0.04%+10,153+5.7%Added
OMERS ADMINISTRATION Corp179,300$394.46K0.00%+179,300New
ExodusPoint Capital Management, LP178,024$391.65K0.00%+178,024New
Hudson Bay Capital Management LP171,816$378K0.00%+171,816New
CERITY PARTNERS LLC163,500$359.7K0.00%+149,934+1,105.2%Added
Squarepoint Ops LLC147,659$324.85K0.00%+147,659New
Shay Capital LLC136,568$300.45K0.05%−148,634−52.1%Reduced
Quantbot Technologies LP120,434$264.96K0.01%+120,434New
Qube Research & Technologies Ltd117,631$258.79K0.00%+94,736+413.8%Added
PRELUDE CAPITAL MANAGEMENT, LLC80,597$177.31K0.01%+45,843+131.9%Added
ADVISOR GROUP HOLDINGS, INC.75,476$166.05K0.00%−1,269−1.7%Reduced
Virtu Financial LLC69,427$153K0.01%+69,427New
Conservest Capital Advisors, Inc.64,118$141.06K0.01%00.0%Unchanged
Cambridge Investment Research Advisors, Inc.64,000$141K0.00%+64,000New
Balyasny Asset Management LLC60,219$132.48K0.00%+60,219New
Verition Fund Management LLC54,910$120.8K0.00%+54,910New
BRIDGEWAY CAPITAL MANAGEMENT, LLC54,500$119.9K0.00%+9,000+19.8%Added
XTX Topco Ltd51,932$114.25K0.00%+5,885+12.8%Added
HighTower Advisors, LLC51,442$113.17K0.00%00.0%Unchanged
Schonfeld Strategic Advisors LLC50,204$110.45K0.00%+50,204New
Susquehanna Portfolio Strategies, LLC49,137$108.1K0.00%+49,137New
FNY Investment Advisers, LLC48,650$107K0.03%+28,650+143.3%Added
COMMONWEALTH EQUITY SERVICES, LLC38,700$85.14K0.00%+38,700New
Lighthouse Investment Partners, LLC36,300$79.86K0.00%+36,300New
CITIGROUP INC35,076$77.17K0.00%+34,859+16,064.1%Added
Chicago Partners Investment Group LLC31,000$64.79K0.00%00.0%Unchanged
Jump Financial, LLC26,000$57.2K0.00%+26,000New
Scientech Research LLC18,006$39.61K0.02%−12,563−41.1%Reduced
Creative Planning17,514$38.53K0.00%+17,514New
Centiva Capital, LP17,419$38.32K0.00%−31,921−64.7%Reduced
Bronte Capital Management Pty Ltd.16,905$37.19K0.00%+16,905New
Parkside Financial Bank & Trust16,304$35.87K0.00%00.0%Unchanged
RAYMOND JAMES FINANCIAL INC15,074$33.16K0.00%+2,374+18.7%Added
Tower Research Capital LLC (TRC)14,768$32.49K0.00%+9,559+183.5%Added
R Squared Ltd13,979$30.75K0.01%+3,356+31.6%Added
VICTORY CAPITAL MANAGEMENT INC13,059$28.73K0.00%+13,059New
LPL Financial LLC10,425$22.94K0.00%00.0%Unchanged
Bank of New York Mellon Corp10,079$22.17K0.00%+10,079New
Larson Financial Group LLC5,953$13.1K0.00%+5,953New
Triumph Capital Management3,000$6.6K0.00%+3,000New
Millington Financial Advisors, LLC12,562$5.21K0.00%+12,562New
St. Johns Investment Management Company, LLC1,980$4.36K0.00%00.0%Unchanged
Sound Income Strategies, LLC1,971$3.77K0.00%+971+97.1%Added
CIBC Private Wealth Group, LLC1,200$2.64K0.00%+1,200New
JPMORGAN CHASE & CO934$2.06K0.00%−100,554−99.1%Reduced
BNP PARIBAS ARBITRAGE, SA802$1.76K0.00%−113−12.3%Reduced
JONES FINANCIAL COMPANIES LLLP500$1.1K0.00%00.0%Unchanged
Allworth Financial LP149$3280.00%+149New
SBI Securities Co., Ltd.120$2640.00%00.0%Unchanged
Optiver Holding B.V.14$310.00%00.0%Unchanged
Alphabet Inc.0$00.00%−662,584−100.0%Sold out
HRT FINANCIAL LP0$00.00%−614,792−100.0%Sold out
Arrowpoint Investment Partners (Singapore) Pte. Ltd.0$00.00%−35,000−100.0%Sold out