Fractyl Health, Inc. (GUTS) Institutional Ownership

Institutions by Trading Activity

Ownership Statistics

5,657,998Shares Outstanding

12,281,134Shares held by institutions

$4,789,642Value of institutional holdings

456.86%Institutional ownership %

14.27%Shares Changed QoQ

62No. of institutional investors

Shares Owned by Institutions

Shares Purchased/Sold by Institutions

Ownership Summary

According to SEC filings for the period ending December 2025, Fractyl Health, Inc. (NASDAQ:GUTS) is held by 94 institutional firms.

Institutional ownership in Fractyl Health edged up to 168.1% in December 2025, compared to 142.4% in September 2025.
In percentage terms, this reflects as a holdings change of 29.16% quarter on quarter, and an increase of 42.42% year over year.
During the quarter, 63 institutions bought more Fractyl Health shares, 16 sold shares, and 15 of the 94 total investors held their position steady.
Collectively, institutional investors increased their stake in Fractyl Health to 108.00Mn shares as of December 2025, a change that is up by 24.38Mn shares quarter on quarter and up 82.10Mn shares year over year.
Nantahala Capital Management, LLC's holding of 10.85Mn shares as of December 31, 2025 makes it the primary institutional investor in Fractyl Health, owning 16.89% of the stock.
Among the most significant buyers of Fractyl Health during December 2025 were MARSHALL WACE, LLP (4.16Mn), VANGUARD GROUP INC (4.11Mn), Pale Fire Capital SE (3.21Mn), GOLDMAN SACHS GROUP INC (2.93Mn), Atom Investors LP (1.88Mn).
Leading sellers of Fractyl Health stock in December 2025 included Rosalind Advisors, Inc. (4.61Mn), Soleus Capital Management, L.P. (2.10Mn), Alyeska Investment Group, L.P. (1.84Mn), Point72 Asset Management, L.P. (1.82Mn), CITADEL ADVISORS LLC (1.55Mn).
The top 10 institutional holders of Fractyl Health for the quarter ending December 2025 included Nantahala Capital Management, LLC (10.85Mn), SILVERARC CAPITAL MANAGEMENT, LLC (9.84Mn), 683 Capital Management, LLC (6.05Mn), VANGUARD GROUP INC (6.03Mn), MARSHALL WACE, LLP (5.93Mn), Woodline Partners LP (5.51Mn), Catalio Capital Management, LP (5.49Mn), General Catalyst Group Management, LLC (4.88Mn), Deer Management Co. LLC (4.77Mn), MAVERICK CAPITAL LTD (4.25Mn).

94 Institutional Holders

12,281,134 Total Shares Held

Rows:

Download Data

Owner Name	Date	Shares Held	Change (QoQ)	Change (%)	Value (USD)
Nantahala Capital Management, LLC	31 Dec, 2025	10,846,440	-1,290,477	-10.63%	$23,862,168.00
SILVERARC CAPITAL MANAGEMENT, LLC	31 Dec, 2025	9,840,041	-759,959	-7.17%	$21,648,090.00
683 Capital Management, LLC	31 Dec, 2025	6,047,620	1,397,620	30.06%	$13,304,764.00
VANGUARD GROUP INC	31 Dec, 2025	6,028,179	4,107,032	213.78%	$13,261,994.00
MARSHALL WACE, LLP	31 Dec, 2025	5,926,745	4,156,969	234.89%	$13,038,839.00
Woodline Partners LP	31 Dec, 2025	5,506,771	237	0.00%	$12,114,896.00
Catalio Capital Management, LP	31 Dec, 2025	5,491,866	277,630	5.32%	$12,082,105.00
General Catalyst Group Management, LLC	31 Dec, 2025	4,884,193	0	0.00%	$10,745,225.00
Deer Management Co. LLC	31 Dec, 2025	4,770,901	0	0.00%	$10,495,982.00
MAVERICK CAPITAL LTD	31 Dec, 2025	4,248,492	0	0.00%	$9,346,682.00
Alyeska Investment Group, L.P.	31 Dec, 2025	3,809,523	-1,838,848	-32.56%	$8,380,951.00
GOLDMAN SACHS GROUP INC	31 Dec, 2025	3,425,197	2,934,749	598.38%	$7,535,434.00
Pale Fire Capital SE	31 Dec, 2025	3,209,942	3,209,942	0.00%	$7,061,872.00
BlackRock, Inc.	31 Dec, 2025	2,083,318	1,323,323	174.12%	$4,583,299.00
Atom Investors LP	31 Dec, 2025	1,883,018	1,883,018	0.00%	$4,142,640.00
RENAISSANCE TECHNOLOGIES LLC	31 Dec, 2025	1,863,051	1,086,351	139.87%	$4,098,712.00
JANE STREET GROUP, LLC	31 Dec, 2025	1,862,600	1,862,600	0.00%	$4,097,720.00
MILLENNIUM MANAGEMENT LLC	31 Dec, 2025	1,861,418	1,453,751	356.60%	$4,095,120.00
M28 Capital Management LP	31 Dec, 2025	1,856,117	0	0.00%	$4,083,457.00
TWO SIGMA INVESTMENTS, LP	31 Dec, 2025	1,840,136	1,840,136	0.00%	$4,048,299.00

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