Fractyl Health GUTS Institutional Ownership

NASDAQ GUTS

$0.54 +0.02 (+3.85%)

At close: Sep 30, 2026 · 4:00 PM EDT

Institutions by Trading Activity

76 Institutions

Increased 29 38.2%

Unchanged 29 38.2%

Reduced 18 23.7%

Ownership Statistics

13F · as of 30 Jun, 2026

Institutional Ownership

44.61%

▼-0.83 pp QoQ

Shares Held by Institutions

70.77Mn

of 158.65Mn outstanding

▼-0.04% QoQ

Shares Outstanding

158.65Mn

87.88Mn held outside 13F filers

Institutional Investors

filed 13F for Jun 2026

▼-7 vs prior quarter

Net Shares Added (QoQ)

-25.36K

distributed since last quarter

Value of Holdings

$38.21Mn

reported market value

Shares Owned by Institutions

Shares held % of outstanding

Latest —

Average ownership —

Peak ownership —

Shares Purchased/Sold by Institutions

Accumulated Distributed

Latest quarter —

Net over range —

Accumulating quarters —

Ownership Summary

Quarter ending 30 Jun, 2026

Fractyl Health, Inc. (NASDAQ:GUTS) has 76 institutional investors with active 13F positions as of June 2026.

These investors held 44.6% of outstanding shares in June 2026, down from 45.4% in March 2026.
Their total shares held in GUTS decreased -0.04% quarter over quarter, and separately, investors owning Fractyl Health increased 24.59% from a year ago.
Of these 76 funds, 29 grew their exposure to Fractyl Health, 18 cut back, and 29 maintained positions.
In total, institutional investors held 70.77Mn shares in Fractyl Health as of June 2026, down by 25.36K shares quarter on quarter, and up 43.24Mn shares year over year.
Nantahala Capital Management, LLC holds the largest position in GUTS at 11.29Mn shares as of June 30, 2026, or 7.12% of shares outstanding.
The biggest buyers of Fractyl Health for the quarter ending June 2026 included Bank Of America Corp /De/ (5.91Mn), JANE STREET GROUP, LLC (1.69Mn), Brevan Howard Capital Management LP (683.95K), Catalio Capital Management, LP (676.88K), VANGUARD CAPITAL MANAGEMENT LLC (563.92K).
Top sellers of GUTS stock for the quarter ending June 2026 included 683 Capital Management, LLC (5.97Mn), Nantahala Capital Management, LLC (2.08Mn), Pale Fire Capital SE (917.81K), Woodline Partners LP (458.09K), BlackRock, Inc. (338.78K).
Per Business Quant data, the top 10 holders of Fractyl Health for the quarter ending June 2026 are Nantahala Capital Management, LLC (11.29Mn), Catalio Capital Management, LP (6.17Mn), VANGUARD CAPITAL MANAGEMENT LLC (6.1Mn), Bank Of America Corp /De/ (6.03Mn), Pale Fire Capital SE (5.0Mn), General Catalyst Group Management, LLC (4.88Mn), Deer Management Co. LLC (4.77Mn), MAVERICK CAPITAL LTD (3.97Mn), M28 Capital Management LP (1.86Mn), BlackRock, Inc. (1.8Mn).

Form 13F Holdings

76 Institutional Holders

Report period 30 Jun, 2026

Total shares held 70.77Mn

Of outstanding 44.61%

#	Institution	CIK	Shares Held	% of Outstanding	Change (QoQ)	Change (%)	Value (USD)
1	Nantahala Capital Management, LLC	0001472322	11,289,096	7.12%	▼2,075,423	-15.53%	$8.97Mn
2	Catalio Capital Management, LP	0001958125	6,168,749	3.89%	▲676,883	+12.33%	$4.90Mn
3	VANGUARD CAPITAL MANAGEMENT LLC	0002100119	6,096,926	3.84%	▲563,920	+10.19%	$4.84Mn
4	Bank Of America Corp /De/	0000070858	6,034,147	3.80%	▲5,909,158	+4,727.74%	$4.79Mn
5	Pale Fire Capital SE	0001922318	5,003,237	3.15%	▼917,808	-15.50%	$3.97Mn
6	General Catalyst Group Management, LLC	0001637946	4,884,186	3.08%	▼7	0.00%	$3.88Mn
7	Deer Management Co. LLC	0001494127	4,770,901	3.01%	0	0.00%	$3.79Mn
8	MAVERICK CAPITAL LTD	0000934639	3,974,806	2.51%	0	0.00%	$3.16Mn
9	M28 Capital Management LP	0001807489	1,856,117	1.17%	0	0.00%	$1.47Mn
10	BlackRock, Inc.	0002012383	1,801,060	1.14%	▼338,777	-15.83%	$1.43Mn
11	Woodline Partners LP	0001784547	1,783,592	1.12%	▼458,087	-20.43%	$1.42Mn
12	JANE STREET GROUP, LLC	0001595888	1,731,622	1.09%	▲1,691,913	+4,260.78%	$1.38Mn
13	SILVERARC CAPITAL MANAGEMENT, LLC	0001816307	1,637,976	1.03%	▼63,649	-3.74%	$1.30Mn
14	UBS Group AG	0001610520	1,579,889	1.00%	▼42,274	-2.61%	$1.25Mn
15	CM Management, LLC	0001841857	1,400,000	0.88%	0	0.00%	$1.11Mn
16	GEODE CAPITAL MANAGEMENT, LLC	0001214717	1,316,341	0.83%	▼118,920	-8.29%	$1.05Mn
17	Ikarian Capital, LLC	0001778253	1,100,000	0.69%	0	0.00%	$873.84K
18	MARSHALL WACE, LLP	0001318757	1,080,667	0.68%	▲272,871	+33.78%	$853.73K
19	Logos Global Management LP	0001792126	1,000,000	0.63%	0	0.00%	$794.40K
20	Brevan Howard Capital Management LP	0001512857	916,321	0.58%	▲683,952	+294.34%	$719.27K

Showing 1 to 20 of 76 holders