FRACTYL HEALTH INC (GUTS) Top Institutional Shareholders
FRACTYL HEALTH INC (GUTS) is currently reported in institutional portfolios tracked by InsiderSet based on the latest available SEC Form 13F filings for the quarter ended March 31, 2026. The institutional investors covered on this page collectively reported approximately $32.89M in GUTS holdings during the latest filing period.
Nantahala Capital Management, Llc is currently the largest disclosed institutional shareholder of GUTS tracked by InsiderSet, reporting ownership valued at approximately $6.12M in its March 31, 2026 SEC Form 13F filing. Based on current market prices and the latest disclosed share count, the position is now estimated to be worth approximately $11.36M, representing an estimated gain of +85.67% since the filing period.
The top 10 institutional shareholders tracked on this page collectively account for approximately 77% of the total disclosed GUTS value among the investors covered in this analysis. Major shareholders include Nantahala Capital Management, Llc, 683 Capital Management, Llc, Pale Fire Capital Se, and several other long-term asset managers with concentrated positions in FRACTYL HEALTH INC (GUTS).
This page ranks the largest institutional GUTS shareholders using publicly disclosed SEC Form 13F data, including reported values, estimated current holding values, portfolio allocation percentages, ownership concentration metrics, and historical holding changes across major hedge funds and investment firms.
Institutional Holders
81
Total Reported Value
$32.89M
Largest Holder
Nantahala Capital Management, Llc
Largest Position
$6.12M
Insider Transactions (90d)
0
Latest Filing Quarter
Q1 2026
New Institutional Positions
113
Funds Exiting Positions
0
| Name | Investor/Manager | Portfolio % | Quantity | Reported Balance | Current Estimated Value | Gain/loss Since Filing | Estimated Portfolio Performance |
|---|---|---|---|---|---|---|---|
| Nantahala Capital Management, Llc | 0.38% | 13,364,519 | $6,118,277 | $11,359,841 | +$5,241,564 | +85.67% | |
| 683 Capital Management, Llc | 0.29% | 6,727,235 | $3,079,728 | $5,718,150 | +$2,638,422 | +85.67% | |
| Pale Fire Capital Se | 0.24% | 5,921,045 | $2,710,654 | $5,032,888 | +$2,322,234 | +85.67% | |
| Vanguard Capital Management Llc | 0.00% | 5,533,006 | $2,534,117 | $4,703,055 | +$2,168,938 | +85.59% | |
| Catalio Capital Management, Lp | 0.53% | 5,491,866 | $2,514,176 | $4,668,086 | +$2,153,910 | +85.67% | |
| General Catalyst Group Management, Llc | 1.22% | 4,884,193 | $2,235,984 | $4,151,564 | +$1,915,580 | +85.67% | |
| Deer Management Co. Llc | 0.35% | 4,770,901 | $2,194,614 | $4,055,266 | +$1,860,652 | +84.78% | |
| Maverick Capital Ltd | 0.02% | 3,974,806 | $1,819,666 | $3,378,585 | +$1,558,919 | +85.67% | |
| Woodline Partners Lp | 0.00% | 2,241,679 | $1,026,241 | $1,905,427 | +$879,186 | +85.67% | |
| Blackrock, Inc. | 0.00% | 2,139,837 | $979,617 | $1,818,861 | +$839,244 | +85.67% | |
| M28 Capital Management Lp | 1.58% | 1,856,117 | $849,730 | $1,577,699 | +$727,969 | +85.67% | |
| Silverarc Capital Management, Llc | 0.09% | 1,701,625 | $779,004 | $1,446,381 | +$667,377 | +85.67% | |
| Ubs Group Ag | 0.00% | 1,622,163 | $742,951 | $1,378,839 | +$635,888 | +85.59% | |
| Geode Capital Management, Llc | 0.00% | 1,435,261 | $657,380 | $1,219,972 | +$562,592 | +85.58% | |
| Cm Management, Llc | 0.54% | 1,400,000 | $640,920 | $1,190,000 | +$549,080 | +85.67% | |
| Ikarian Capital, Llc | 0.07% | 1,100,000 | $503,580 | $935,000 | +$431,420 | +85.67% | |
| Logos Global Management Lp | 0.02% | 1,000,000 | $457,800 | $850,000 | +$392,200 | +85.67% | |
| Marshall Wace, Llp | 0.00% | 807,796 | $371,587 | $686,627 | +$315,040 | +84.78% | |
| Vanguard Fiduciary Trust Co | 0.00% | 606,185 | $277,633 | $515,257 | +$237,624 | +85.59% | |
| Burkehill Global Management, Lp | 0.01% | 500,000 | $228,900 | $425,000 | +$196,100 | +85.67% | |
| Morgan Stanley | 0.00% | 495,901 | $227,023 | $421,516 | +$194,493 | +85.67% | |
| Two Sigma Investments, Lp | 0.00% | 479,737 | $219,624 | $407,776 | +$188,152 | +85.67% | |
| State Street Corp | 0.00% | 464,700 | $212,740 | $394,995 | +$182,255 | +85.67% | |
| Shay Capital Llc | 0.02% | 357,865 | $163,831 | $304,185 | +$140,354 | +85.67% | |
| Boothbay Fund Management, Llc | 0.00% | 275,219 | $125,995 | $233,936 | +$107,941 | +85.67% | |
| Brevan Howard Capital Management Lp | 0.00% | 232,369 | $99,163 | $197,514 | +$98,351 | +99.18% | |
| Northern Trust Corp | 0.00% | 215,877 | $98,828 | $183,495 | +$84,667 | +85.67% | |
| Bridgeway Capital Management, Llc | 0.00% | 208,925 | $95,646 | $177,586 | +$81,940 | +85.67% | |
| Peak6 Llc | 0.00% | 200,000 | $91,560 | $170,000 | +$78,440 | +85.67% | |
| Susquehanna International Group, Llp | 0.00% | 176,087 | $80,613 | $149,674 | +$69,061 | +85.67% | |
| Cerity Partners Llc | 0.00% | 168,500 | $77,139 | $143,225 | +$66,086 | +85.67% | |
| Bank Of America Corp | 0.00% | 124,989 | $57,120 | $106,241 | +$49,121 | +86.00% | |
| Omers Administration Corp | 0.00% | 123,900 | $56,721 | $105,315 | +$48,594 | +85.67% | |
| Barclays Plc | 0.00% | 116,048 | $53,127 | $98,641 | +$45,514 | +85.67% | |
| Osaic Holdings, Inc. | 0.00% | 100,812 | $46,372 | $85,690 | +$39,318 | +84.79% | |
| Accredited Investors Inc. | 0.00% | 100,000 | $45,780 | $85,000 | +$39,220 | +85.67% | |
| Goldman Sachs Group Inc | 0.00% | 68,433 | $31,329 | $58,168 | +$26,839 | +85.67% | |
| Conservest Capital Advisors, Inc. | 0.00% | 64,118 | $29,354 | $54,500 | +$25,146 | +85.67% | |
| Hightower Advisors, Llc | 0.00% | 51,442 | $23,550 | $43,726 | +$20,176 | +85.67% | |
| Citadel Advisors Llc | 0.00% | 48,196 | $22,064 | $40,967 | +$18,903 | +85.67% | |
| Catalyst Funds Management Pty Ltd | 0.00% | 46,800 | $21,425 | $39,780 | +$18,355 | +85.67% | |
| Xtx Topco Ltd | 0.00% | 44,192 | $20,231 | $37,563 | +$17,332 | +85.67% | |
| Vanguard Global Advisers, Llc | 0.00% | 41,311 | $18,920 | $35,114 | +$16,194 | +85.59% | |
| Phraction Management Llc | 0.00% | 41,000 | $18,770 | $34,850 | +$16,080 | +85.67% | |
| Evoke Wealth, Llc | 0.00% | 40,000 | $18,312 | $34,000 | +$15,688 | +85.67% | |
| Chicago Partners Investment Group Llc | 0.00% | 31,000 | $18,306 | $26,350 | +$8,044 | +43.94% | |
| Jane Street Group, Llc | 0.00% | 39,709 | $18,179 | $33,753 | +$15,574 | +85.67% | |
| Renaissance Technologies LLC | Jim Simons | 0.00% | 35,200 | $16,115 | $29,920 | +$13,805 | +85.67% |
| Wells Fargo & Company/Mn | 0.00% | 31,000 | $14,192 | $26,350 | +$12,158 | +85.67% | |
| Marex Group Plc | 0.00% | 29,537 | $13,522 | $25,106 | +$11,584 | +85.67% |
Frequently asked questions about GUTS
Who owns the most GUTS stock?
The largest holders of GUTS are typically major institutional investors such as asset managers and hedge funds reporting on Form 13F. The table above ranks tracked superinvestors by reported position size using the latest available filings for FRACTYL HEALTH INC (GUTS).
Is GUTS widely held by superinvestors?
Many widely followed stocks like GUTS appear across numerous superinvestor portfolios because of liquidity, index inclusion, and fundamentals. The holder count and table above show how broadly GUTS is represented among the institutional managers we track.
What do “Current Estimated Value”, “Gain/loss Since Filing”, and “Estimated Portfolio Performance” mean?
Current Estimated Value is reported share quantity from the latest 13F times our most recent split-adjusted U.S. session close. Gain/loss Since Filing is that estimate minus the reported 13F dollar value; Estimated Portfolio Performance is that difference as a percent of the reported value. Green means the estimate is above the filing value; red means below (not purchase cost). If many filers share the same implied filing price per share, the performance % may match across rows. These are not official fund marks or live quotes.