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 (Q2 2026). 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, Bank Of America Corp, Nantahala Capital Management, Llc, Jane Street Group, Llc, and Pale Fire Capital Se.
| Institution | Type | Change in shares | Change Position % | Shares | Reported stock balance | Portfolio quarter | Filing date |
|---|---|---|---|---|---|---|---|
| Parkside Financial Bank & Trust | Sell | -14,201 | -90.7% | 1,463 | $1.16K | Q2 2026 | Sep 04, 2026 |
| Nantahala Capital Management, Llc | Sell | -2,075,423 | -15.5% | 11,289,096 | $8.97M | Q2 2026 | Aug 19, 2026 |
| General Catalyst Group Management, Llc | Sell | -7 | -0.0% | 4,884,186 | $3.88M | Q2 2026 | Aug 17, 2026 |
| 683 Capital Management, Llc | Sell | -5,970,520 | -88.8% | 756,715 | $601.13K | Q2 2026 | Aug 14, 2026 |
| Bank Of America Corp | Buy | +5,909,158 | +4727.7% | 6,034,147 | $4.79M | Q2 2026 | Aug 14, 2026 |
| Jane Street Group, Llc | Buy | +1,691,913 | +4260.8% | 1,731,622 | $1.38M | Q2 2026 | Aug 14, 2026 |
| Brevan Howard Capital Management Lp | Buy | +683,952 | +294.3% | 916,321 | $719.27K | Q2 2026 | Aug 14, 2026 |
| Catalio Capital Management, Lp | Buy | +676,883 | +12.3% | 6,168,749 | $4.90M | Q2 2026 | Aug 14, 2026 |
| Woodline Partners Lp | Sell | -458,087 | -20.4% | 1,783,592 | $1.42M | Q2 2026 | Aug 14, 2026 |
| Mink Brook Asset Management Llc | Buy | +352,745 | — | 352,745 | $280.22K | Q2 2026 | Aug 14, 2026 |
| Two Sigma Investments, Lp | Sell | -255,200 | -53.2% | 224,537 | $178.37K | Q2 2026 | Aug 14, 2026 |
| Shay Capital Llc | Sell | -227,644 | -63.6% | 130,221 | $103.45K | Q2 2026 | Aug 14, 2026 |
| Susquehanna International Group, Llp | Sell | -160,955 | -91.4% | 15,132 | $12.02K | Q2 2026 | Aug 14, 2026 |
| Barclays Plc | Sell | -114,183 | -98.4% | 1,865 | $1.48K | Q2 2026 | Aug 14, 2026 |
| Goldman Sachs Group Inc | Buy | +107,431 | +157.0% | 175,864 | $139.71K | Q2 2026 | Aug 14, 2026 |
| Mai Capital Management | Buy | +50,000 | — | 50,000 | $39.72K | Q2 2026 | Aug 14, 2026 |
| Xtx Topco Ltd | Sell | -11,977 | -27.1% | 32,215 | $25.59K | Q2 2026 | Aug 14, 2026 |
| Osaic Holdings, Inc. | Buy | +5,404 | +5.4% | 106,216 | $83.91K | Q2 2026 | Aug 14, 2026 |
| Pale Fire Capital Se | Sell | -917,808 | -15.5% | 5,003,237 | $3.97M | Q2 2026 | Aug 13, 2026 |
| Vanguard Capital Management Llc | Buy | +563,920 | +10.2% | 6,096,926 | $4.84M | Q2 2026 | Aug 13, 2026 |
| Marshall Wace, Llp | Buy | +272,871 | +33.8% | 1,080,667 | $853.73K | Q2 2026 | Aug 13, 2026 |
| Vanguard Fiduciary Trust Co | Buy | +115,947 | +19.1% | 722,132 | $573.37K | Q2 2026 | Aug 13, 2026 |
| Renaissance Technologies LLC | Buy | +87,000 | +247.2% | 122,200 | $97.08K | Q2 2026 | Aug 13, 2026 |
| Morgan Stanley | Sell | -69,397 | -14.0% | 426,504 | $338.81K | Q2 2026 | Aug 13, 2026 |
| Silverarc Capital Management, Llc | Sell | -63,649 | -3.7% | 1,637,976 | $1.30M | Q2 2026 | Aug 13, 2026 |
| Northern Trust Corp | Buy | +46,030 | +21.3% | 261,907 | $208.06K | Q2 2026 | Aug 13, 2026 |
| Ubs Group Ag | Sell | -42,274 | -2.6% | 1,579,889 | $1.25M | Q2 2026 | Aug 13, 2026 |
| Sanctuary Advisors, Llc | Buy | +32,500 | — | 32,500 | $25.82K | Q2 2026 | Aug 13, 2026 |
| Bnp Paribas Financial Markets | Sell | -247 | -30.8% | 555 | $441.00 | Q2 2026 | Aug 13, 2026 |
| Geode Capital Management, Llc | Sell | -118,920 | -8.3% | 1,316,341 | $1.05M | Q2 2026 | Aug 12, 2026 |
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.
Related GUTS Institutional Insights
- GUTS Overview
- GUTS 13F Institutional Holders
- GUTS Top Institutional Shareholders
- Healthcare Sector Institutional Ownership
- Healthcare Sector Portfolio Overlap
- Institutional Portfolio Overlap & Shared Holdings
- Most Bought Healthcare Stocks By Institutional Investors
- Most Sold Healthcare Stocks By Institutional Investors
- GUTS Insider Trading & SEC Form 4 Activity
- GUTS Articles
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