FRACTYL HEALTH INC (GUTS) Institutional Ownership Changes & 13F Activity

FRACTYL HEALTH INC (GUTS). Institutional ownership data tracks hedge funds, asset managers, and other institutional investors based on recent SEC Form 13F filings (Q4 2025). This page analyzes institutional buying and selling activity, new holdings, and sold-out positions in the latest reporting period. Notable filers include 683 Capital Management, Llc, Woodline Partners Lp, Catalio Capital Management, Lp, General Catalyst Group Management, Llc, and Deer Management Co. Llc.

InstitutionTypeChange in sharesChange Position %SharesReported stock balancePortfolio quarterFiling date
Catalio Capital Management, LpBuy+5,491,866—5,491,866$12.08MQ4 2025Sep 02, 2026
Virtu Financial LlcBuy+69,427—69,427$153.00KQ4 2025Feb 23, 2026
Ikarian Capital, LlcBuy+1,100,000—1,100,000$2.42MQ4 2025Feb 18, 2026
Raymond James Financial IncBuy+15,074—15,074$33.16KQ4 2025Feb 18, 2026
683 Capital Management, LlcBuy+6,047,620—6,047,620$13.30MQ4 2025Feb 17, 2026
Woodline Partners LpBuy+5,506,771—5,506,771$12.11MQ4 2025Feb 17, 2026
General Catalyst Group Management, LlcBuy+4,884,193—4,884,193$10.75MQ4 2025Feb 17, 2026
Deer Management Co. LlcBuy+4,770,901—4,770,901$10.50MQ4 2025Feb 17, 2026
Atom Investors LpBuy+1,883,018—1,883,018$4.14MQ4 2025Feb 17, 2026
Millennium Management LlcBuy+1,861,418—1,861,418$4.10MQ4 2025Feb 17, 2026
Two Sigma Investments, LpBuy+1,840,136—1,840,136$4.05MQ4 2025Feb 17, 2026
D. E. Shaw & Co., Inc.Buy+1,442,745—1,442,745$3.17MQ4 2025Feb 17, 2026
Two Sigma Advisers, LpBuy+1,298,700—1,298,700$2.86MQ4 2025Feb 17, 2026
Bank Of America CorpBuy+1,192,236—1,192,236$2.62MQ4 2025Feb 17, 2026
Newtyn Management, LlcBuy+1,134,021—1,134,021$2.49MQ4 2025Feb 17, 2026
Logos Global Management LpBuy+1,100,000—1,100,000$2.42MQ4 2025Feb 17, 2026
Susquehanna International Group, LlpBuy+799,457—799,457$1.76MQ4 2025Feb 17, 2026
Burkehill Global Management, LpBuy+500,000—500,000$1.10MQ4 2025Feb 17, 2026
Brevan Howard Capital Management LpBuy+464,738—464,738$1.05MQ4 2025Feb 17, 2026
Point72 Asset Management, L.P.Buy+365,173—365,173$803.38KQ4 2025Feb 17, 2026
Quadrature Capital LtdBuy+290,714—290,714$639.57KQ4 2025Feb 17, 2026
Boothbay Fund Management, LlcBuy+275,219—275,219$605.48KQ4 2025Feb 17, 2026
Citadel Advisors LlcBuy+228,985—228,985$503.77KQ4 2025Feb 17, 2026
Northern Trust CorpBuy+215,877—215,877$474.93KQ4 2025Feb 17, 2026
Exoduspoint Capital Management, LpBuy+178,024—178,024$391.65KQ4 2025Feb 17, 2026
Shay Capital LlcBuy+136,568—136,568$300.45KQ4 2025Feb 17, 2026
Qube Research & Technologies LtdBuy+117,631—117,631$258.79KQ4 2025Feb 17, 2026
Prelude Capital Management, LlcBuy+80,597—80,597$177.31KQ4 2025Feb 17, 2026
Osaic Holdings, Inc.Buy+75,476—75,476$166.05KQ4 2025Feb 17, 2026
Balyasny Asset Management L.P.Buy+60,219—60,219$132.48KQ4 2025Feb 17, 2026
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Frequently asked questions about GUTS activity

  • Which institutional owners are buying GUTS?

    Institutional owners buying GUTS include investors who have either initiated new positions or increased their existing holdings based on recent SEC 13F filings. The activity table above highlights which funds added shares in the latest reporting periods and how their positions changed over time.

  • What does "buy" mean in GUTS activity?

    "Buy" means an investor increased their reported position in GUTS compared to the prior reporting period. This reflects growing exposure to FRACTYL HEALTH INC (GUTS) rather than necessarily a brand-new position (though new positions also appear as buys when prior quantity was zero).

  • Is institutional interest in GUTS increasing?

    Institutional interest in GUTS can be assessed by comparing the number of tracked funds adding or increasing positions versus those trimming or exiting across the periods shown. A higher number of additions typically signals increasing participation among large filers, but it should be read alongside position sizes and the full table.