Fractyl Health GUTS Institutional Ownership

NASDAQ GUTS

$1.15 -0.18 (-13.53%)

At close: Oct 21, 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%

▼-0.79 pp QoQ

Shares Held by Institutions

5.90Mn

of 13.22Mn outstanding

▼-1.73% QoQ

Shares Outstanding

13.22Mn

7.32Mn held outside 13F filers

Institutional Investors

filed 13F for Jun 2026

▼-7 vs prior quarter

Net Shares Added (QoQ)

-103.85K

distributed since last quarter

Value of Holdings

$7.84Mn

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

Updated Oct 10, 2026

Fractyl Health, Inc. (NASDAQ:GUTS) was reported as a holding by 76 institutional investors in 13F filings for the quarter ended June 30, 2026.

Collectively, these holders controlled 44.61% of Fractyl Health's outstanding shares in Q2 2026, down from 45.39% in Q1 2026.
Total holdings of Fractyl Health shares fell 1.73% from Q1 2026, and the number of holders rose 28.81% from Q2 2025.
Among the 76 holders of Fractyl Health, 29 added to their positions, 18 reduced their stakes and 29 left their positions unchanged.
Institutional investors held 5.9Mn shares of Fractyl Health in total at the end of Q2 2026, down 103.85K from the prior quarter and up 3.6Mn from a year earlier.
As of June 30, 2026, Nantahala Capital Management, LLC held the largest stake in Fractyl Health with 940.76K shares, or 7.12% of shares outstanding.
Among holders that already owned Fractyl Health, the biggest buyers in Q2 2026 were Bank of America Corp (+492.43K shares), Jane Street Group, LLC (+140.99K shares), Brevan Howard Capital Management LP (+57K shares), Catalio Capital Management, LP (+56.41K shares) and Vanguard Capital Management LLC (+46.99K shares).
Among holders that kept a stake in Fractyl Health, the biggest sellers in Q2 2026 were 683 Capital Management, LLC (-497.54K shares), Nantahala Capital Management, LLC (-172.95K shares), Pale Fire Capital SE (-76.48K shares), Woodline Partners LP (-38.17K shares) and BlackRock, Inc. (-28.23K shares).
Per Business Quant data, the 10 largest holders of Fractyl Health at the end of Q2 2026 were Nantahala Capital Management, LLC (940.76K shares), Catalio Capital Management, LP (514.06K shares), Vanguard Capital Management LLC (508.08K shares), Bank of America Corp (502.85K shares), Pale Fire Capital SE (416.94K shares), General Catalyst Group Management, LLC (407.02K shares), Deer Management Co. LLC (397.58K shares), Maverick Capital LTD (331.23K shares), M28 Capital Management LP (154.68K shares) and BlackRock, Inc. (150.09K shares).

Form 13F Holdings

76 Institutional Holders

Report period 30 Jun, 2026

Total shares held 5.90Mn

Of outstanding 44.61%

#	Institution	CIK	Shares Held	% of Outstanding	Change (QoQ)	Change (%)	Value (USD)
1	Nantahala Capital Management, LLC	0001472322	940,758	7.12%	▼172,952	-15.53%	$8.97Mn
2	Catalio Capital Management, LP	0001958125	514,062	3.89%	▲56,407	+12.33%	$4.90Mn
3	VANGUARD CAPITAL MANAGEMENT LLC	0002100119	508,077	3.84%	▲46,993	+10.19%	$4.84Mn
4	Bank Of America Corp /De/	0000070858	502,846	3.80%	▲492,430	+4,727.74%	$4.79Mn
5	Pale Fire Capital SE	0001922318	416,936	3.15%	▼76,484	-15.50%	$3.97Mn
6	General Catalyst Group Management, LLC	0001637946	407,016	3.08%	▼1	0.00%	$3.88Mn
7	Deer Management Co. LLC	0001494127	397,575	3.01%	0	0.00%	$3.79Mn
8	MAVERICK CAPITAL LTD	0000934639	331,234	2.51%	0	0.00%	$3.16Mn
9	M28 Capital Management LP	0001807489	154,676	1.17%	0	0.00%	$1.47Mn
10	BlackRock, Inc.	0002012383	150,088	1.14%	▼28,231	-15.83%	$1.43Mn
11	Woodline Partners LP	0001784547	148,633	1.12%	▼38,174	-20.43%	$1.42Mn
12	JANE STREET GROUP, LLC	0001595888	144,302	1.09%	▲140,993	+4,260.78%	$1.38Mn
13	SILVERARC CAPITAL MANAGEMENT, LLC	0001816307	136,498	1.03%	▼5,304	-3.74%	$1.30Mn
14	UBS Group AG	0001610520	131,657	1.00%	▼3,523	-2.61%	$1.25Mn
15	CM Management, LLC	0001841857	116,667	0.88%	0	0.00%	$1.11Mn
16	GEODE CAPITAL MANAGEMENT, LLC	0001214717	109,695	0.83%	▼9,910	-8.29%	$1.05Mn
17	Ikarian Capital, LLC	0001778253	91,667	0.69%	0	0.00%	$873.84K
18	MARSHALL WACE, LLP	0001318757	90,056	0.68%	▲22,739	+33.78%	$853.73K
19	Logos Global Management LP	0001792126	83,333	0.63%	0	0.00%	$794.40K
20	Brevan Howard Capital Management LP	0001512857	76,360	0.58%	▲56,996	+294.34%	$719.27K

Showing 1 to 20 of 76 holders