FRACTYL HEALTH INC (GUTS) 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 June 30, 2026. The institutional investors covered on this page collectively reported approximately $56.12M 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 $8.97M in its June 30, 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 $8.81M, representing an estimated loss of -1.81% since the filing period.
The top 10 institutional shareholders tracked on this page collectively account for approximately 73% of the total disclosed GUTS value among the investors covered in this analysis. Major shareholders include Nantahala Capital Management, Llc, Catalio Capital Management, Lp, Vanguard Capital Management Llc, 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
74
Total Reported Value
$56.12M
Largest Holder
Nantahala Capital Management, Llc
Largest Position
$8.97M
Insider Transactions (90d)
5
Latest Filing Quarter
Q2 2026
New Institutional Positions
123
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 | 0.55% | 11,289,096 | $8,968,058 | $8,805,495 | -$162,563 | -1.81% | |
| Catalio Capital Management, Lp | 0.92% | 6,168,749 | $4,900,454 | $4,811,624 | -$88,830 | -1.81% | |
| Vanguard Capital Management Llc | 0.00% | 6,096,926 | $4,840,959 | $4,755,602 | -$85,357 | -1.76% | |
| Bank Of America Corp | 0.00% | 6,034,147 | $4,791,113 | $4,706,635 | -$84,478 | -1.76% | |
| Pale Fire Capital Se | 0.28% | 5,003,237 | $3,974,571 | $3,902,525 | -$72,046 | -1.81% | |
| General Catalyst Group Management, Llc | 2.06% | 4,884,186 | $3,879,997 | $3,809,665 | -$70,332 | -1.81% | |
| Deer Management Co. Llc | 0.47% | 4,770,901 | $3,788,095 | $3,721,303 | -$66,792 | -1.76% | |
| Maverick Capital Ltd | 0.03% | 3,974,806 | $3,157,586 | $3,100,349 | -$57,237 | -1.81% | |
| M28 Capital Management Lp | 3.13% | 1,856,117 | $1,474,499 | $1,447,771 | -$26,728 | -1.81% | |
| Blackrock, Inc. | 0.00% | 1,801,060 | $1,430,762 | $1,404,827 | -$25,935 | -1.81% | |
| Woodline Partners Lp | 0.00% | 1,783,592 | $1,416,885 | $1,391,202 | -$25,683 | -1.81% | |
| Jane Street Group, Llc | 0.00% | 1,731,622 | $1,375,600 | $1,350,665 | -$24,935 | -1.81% | |
| Silverarc Capital Management, Llc | 0.14% | 1,637,976 | $1,301,208 | $1,277,621 | -$23,587 | -1.81% | |
| Ubs Group Ag | 0.00% | 1,579,889 | $1,254,432 | $1,232,313 | -$22,119 | -1.76% | |
| Cm Management, Llc | 0.71% | 1,400,000 | $1,112,160 | $1,092,000 | -$20,160 | -1.81% | |
| Geode Capital Management, Llc | 0.00% | 1,316,341 | $1,046,292 | $1,026,746 | -$19,546 | -1.87% | |
| Ikarian Capital, Llc | 0.14% | 1,100,000 | $873,840 | $858,000 | -$15,840 | -1.81% | |
| Marshall Wace, Llp | 0.00% | 1,080,667 | $853,726 | $842,920 | -$10,806 | -1.27% | |
| Logos Global Management Lp | 0.03% | 1,000,000 | $794,400 | $780,000 | -$14,400 | -1.81% | |
| Brevan Howard Capital Management Lp | 0.01% | 916,321 | $719,266 | $714,730 | -$4,536 | -0.63% | |
| 683 Capital Management, Llc | 0.06% | 756,715 | $601,134 | $590,238 | -$10,896 | -1.81% | |
| Vanguard Fiduciary Trust Co | 0.00% | 722,132 | $573,373 | $563,263 | -$10,110 | -1.76% | |
| State Street Corp | 0.00% | 516,000 | $409,910 | $402,480 | -$7,430 | -1.81% | |
| Morgan Stanley | 0.00% | 426,504 | $338,815 | $332,673 | -$6,142 | -1.81% | |
| Mink Brook Asset Management Llc | 0.12% | 352,745 | $280,221 | $275,141 | -$5,080 | -1.81% | |
| Boothbay Fund Management, Llc | 0.00% | 275,219 | $218,634 | $214,671 | -$3,963 | -1.81% | |
| Northern Trust Corp | 0.00% | 261,907 | $208,059 | $204,287 | -$3,772 | -1.81% | |
| Two Sigma Investments, Lp | 0.00% | 224,537 | $178,372 | $175,139 | -$3,233 | -1.81% | |
| Peak6 Llc | 0.00% | 200,000 | $158,880 | $156,000 | -$2,880 | -1.81% | |
| Goldman Sachs Group Inc | 0.00% | 175,864 | $139,706 | $137,174 | -$2,532 | -1.81% | |
| Cerity Partners Llc | 0.00% | 168,500 | $133,856 | $131,430 | -$2,426 | -1.81% | |
| Shay Capital Llc | 0.01% | 130,221 | $103,448 | $101,572 | -$1,876 | -1.81% | |
| Renaissance Technologies LLC | Jim Simons | 0.00% | 122,200 | $97,076 | $95,316 | -$1,760 | -1.81% |
| Osaic Holdings, Inc. | 0.00% | 106,216 | $83,909 | $82,848 | -$1,061 | -1.26% | |
| Accredited Investors Inc. | 0.00% | 100,000 | $79,440 | $78,000 | -$1,440 | -1.81% | |
| Conservest Capital Advisors, Inc. | 0.00% | 64,118 | $50,936 | $50,012 | -$924 | -1.81% | |
| Hightower Advisors, Llc | 0.00% | 51,442 | $40,866 | $40,125 | -$741 | -1.81% | |
| Mai Capital Management | 0.00% | 50,000 | $39,720 | $39,000 | -$720 | -1.81% | |
| Vanguard Global Advisers, Llc | 0.00% | 41,311 | $32,801 | $32,223 | -$578 | -1.76% | |
| Phraction Management Llc | 0.01% | 41,000 | $32,570 | $31,980 | -$590 | -1.81% | |
| Sanctuary Advisors, Llc | 0.00% | 32,500 | $25,818 | $25,350 | -$468 | -1.81% | |
| Xtx Topco Ltd | 0.00% | 32,215 | $25,592 | $25,128 | -$464 | -1.81% | |
| Eaton Financial Holdings Company, Llc | 0.01% | 31,835 | $25,290 | $24,831 | -$459 | -1.81% | |
| Wells Fargo & Company/Mn | 0.00% | 31,000 | $24,626 | $24,180 | -$446 | -1.81% | |
| Chicago Partners Investment Group Llc | 0.00% | 31,000 | $23,458 | $24,180 | +$722 | +3.08% | |
| Tower Research Capital Llc (Trc) | 0.00% | 27,628 | $21,948 | $21,550 | -$398 | -1.81% | |
| Bartlett & Co. Wealth Management Llc | 0.00% | 25,000 | $19,860 | $19,500 | -$360 | -1.81% | |
| Brookstone Capital Management | 0.00% | 21,272 | $16,898 | $16,592 | -$306 | -1.81% | |
| J.W. Cole Advisors, Inc. | 0.00% | 20,780 | $16,508 | $16,208 | -$300 | -1.81% | |
| Lpl Financial Llc | 0.00% | 20,425 | $16,226 | $15,932 | -$295 | -1.81% |
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.