GUTS · Fractyl Health, Inc.

$0.70 -0.01 (-1.31%)

Market Cap

$113.29M

159.18M

Institutional ownership from SEC Form 13F filings. Investment managers with more than $100 million in U.S. equities must disclose their positions every quarter, within 45 days of quarter-end, so the holdings shown can lag the market by up to a quarter.

Quarter:

Holders: 76

Total Value: $56,239,148

Total Shares: 70,830,210

Institutional Ownership Trend

10 quarters

Holder Concentration

Across 76 13F filers · Δ vs Mar 31, 2026

Top Holder

15.9%

−2.3 pts

Top 5

48.8%

−1.6 pts

Top 10

73.2%

−1.7 pts

HHI

707

Broadly held−56

Quarterly Activity

vs Mar 31, 2026

New

Increased

Decreased

Sold Out

Unchanged

Holder count: -8

Institutional value: +67.2%

Shares held: -3.6%

Top Buyers

vs Mar 31, 2026

Institution	Added	Now Holds
Mega BANK OF AMERICA CORP /DE/	+5,909,158	6,034,147
Mega JANE STREET GROUP, LLC	+1,691,913	1,731,622
Mid Brevan Howard Capital Management LP	+683,952	916,321
Small Catalio Capital Management, LP	+676,883	6,168,749
Mega VANGUARD CAPITAL MANAGEMENT LLC	+563,920	6,096,926

Top Sellers

vs Mar 31, 2026

Institution	Sold	Now Holds
Mid 683 Capital Management, LLC	−5,970,520	756,715
Mid Nantahala Capital Management, LLC	−2,075,423	11,289,096
Mid Pale Fire Capital SE	−917,808	5,003,237
Large Woodline Partners LP	−458,087	1,783,592
Mega BlackRock, Inc.	−338,777	1,801,060

Top New Positions

vs Mar 31, 2026

Institution	Acquired	Value (USD)
Small Mink Brook Asset Management LLC	352,745	$280,079
Large MAI Capital Management	50,000	$39,700
Large Sanctuary Advisors, LLC	32,500	$25,805
Small Eaton Financial Holdings Company, LLC	31,835	$25,276
Mid Tower Research Capital LLC (TRC)	27,628	$21,936

Top Sold-Out Positions

vs Mar 31, 2026

Institution	Previously Held	Last Value (USD)
Mid ADAR1 Capital Management, LLC	1,428,571	$654,285
Mid Burkehill Global Management, LP	500,000	$229,000
Mid BRIDGEWAY CAPITAL MANAGEMENT, LLC	208,925	$95,687
Large OMERS ADMINISTRATION Corp	123,900	$56,746
Mid GSA CAPITAL PARTNERS LLP	87,465	$40,058

Filter: New 12 Increased 17 Reduced 17 Sold out 20 Unchanged 30

Showing 76 of 76

All Common Calls Puts

Compact Export CSV

Holder

Value (USD)

% of 13F

Nantahala Capital Management, LLC

$8,963,542

15.94%

11,289,096

Catalio Capital Management, LP

$4,897,986

8.71%

6,168,749

VANGUARD CAPITAL MANAGEMENT LLC

$4,840,959

8.61%

6,096,926

BANK OF AMERICA CORP /DE/

$4,791,111

8.52%

6,034,147

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
BANK OF AMERICA NA	20,969	$16,649	0.3%	Defined
MERRILL LYNCH, PIERCE, FENNER & SMITH INC.	156,992	$124,651	2.6%	Defined
BOFA SECURITIES, INC.	5,856,186	$4,649,811	97.1%	Defined

Pale Fire Capital SE

$3,972,570

7.06%

5,003,237

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
Barta Jan joint	5,003,237	$3,972,570	100.0%	Defined

General Catalyst Group Management, LLC

$3,878,043

6.90%

4,884,186

Deer Management Co. LLC

$3,788,095

6.74%

4,770,901

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
Deer VII & Co. Ltd. joint	4,770,901	$3,788,095	100.0%	Defined

MAVERICK CAPITAL LTD

$3,155,995

5.61%

3,974,806

M28 Capital Management LP

$1,473,756

2.62%

1,856,117

BlackRock, Inc.

$1,430,040

2.54%

1,801,060

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
BlackRock Investment Management, LLC	43	$34	0.0%	Sole
BlackRock Institutional Trust Company, N.A.	1,135,147	$901,306	63.0%	Sole
BlackRock Capital Investment Advisors, LLC	665,870	$528,700	37.0%	Sole

Woodline Partners LP

$1,416,172

2.52%

1,783,592

JANE STREET GROUP, LLC

$1,374,907

2.44%

1,731,622

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
Jane Street Capital, LLC	533,072	$423,259	30.8%	Defined
Jane Street Global Trading, LLC	1,198,550	$951,648	69.2%	Defined

SILVERARC CAPITAL MANAGEMENT, LLC

$1,300,552

2.31%

1,637,976

UBS Group AG

$1,254,430

2.23%

1,579,889

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
UBS Financial Services Inc	15,390	$12,219	1.0%	Defined
UBS AG	1,314,383	$1,043,620	83.2%	Defined
UBS Europe SE	239,299	$190,003	15.1%	Defined
UBS Securities LLC	10,817	$8,588	0.7%	Defined

CM Management, LLC

$1,111,600

1.98%

1,400,000

GEODE CAPITAL MANAGEMENT, LLC

$1,045,174

1.86%

1,316,341

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
GEODE CAPITAL MANAGEMENT TRUST COMPANY, LLC	238,414	$189,300	18.1%	Defined
Held directly	1,077,927	$855,874	81.9%	Defined

Ikarian Capital, LLC

$873,400

1.55%

1,100,000

MARSHALL WACE, LLP

$858,049

1.53%

1,080,667

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
Marshall Wace North America L.P. joint	1,080,667	$858,049	100.0%	Other

Logos Global Management LP

$794,000

1.41%

1,000,000

Brevan Howard Capital Management LP

$727,558

1.29%

916,321

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
Brevan Howard Investment Products Ltd	916,321	$727,558	100.0%	Defined

683 Capital Management, LLC

$600,831

1.07%

756,715

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
683 Capital Partners, LP	756,715	$600,831	100.0%	Defined

VANGUARD FIDUCIARY TRUST CO

$573,372

1.02%

722,132

STATE STREET CORP

$409,704

0.73%

516,000

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
STATE STREET GLOBAL ADVISORS TRUST COMPANY	516,000	$409,704	100.0%	Defined

MORGAN STANLEY

$338,643

0.60%

426,504

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
MORGAN STANLEY & CO INTERNATIONAL PLC	148	$117	0.0%	Defined
MORGAN STANLEY SMITH BARNEY LLC	426,356	$338,526	100.0%	Defined

Mink Brook Asset Management LLC

$280,079

0.50%

352,745

BOOTHBAY FUND MANAGEMENT, LLC

$218,523

0.39%

275,219

NORTHERN TRUST CORP

$207,954

0.37%

261,907

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
NORTHERN TRUST CO joint	261,907	$207,954	100.0%	Defined

TWO SIGMA INVESTMENTS, LP

$178,282

0.32%

224,537

PEAK6 LLC

$158,800

0.28%

200,000

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
PEAK6 Investments LLC joint	200,000	$158,800	100.0%	Defined

GOLDMAN SACHS GROUP INC

$139,636

0.25%

175,864

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
GOLDMAN SACHS ASSET MANAGEMENT, L.P.	175,864	$139,636	100.0%	Defined

Cerity Partners LLC

$133,789

0.24%

168,500

Shay Capital LLC

$103,395

0.18%

130,221

RENAISSANCE TECHNOLOGIES LLC

$97,026

0.17%

122,200

OSAIC HOLDINGS, INC.

$84,335

0.15%

106,216

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
OSAIC WEALTH, INC.	106,216	$84,335	100.0%	Defined

Accredited Investors Inc.

$79,400

0.14%

100,000

FNY Investment Advisers, LLC

$51,943

0.09%

65,420

Conservest Capital Advisors, Inc.

$50,909

0.09%

64,118

Cambridge Investment Research Advisors, Inc.

$50,816

0.09%

64,000

HighTower Advisors, LLC

$40,844

0.07%

51,442

MAI Capital Management

$39,700

0.07%

50,000

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
EVOKE WEALTH, LLC	50,000	$39,700	100.0%	Defined

Vanguard Global Advisers, LLC

$32,800

0.06%

41,311

Phraction Management LLC

$32,554

0.06%

41,000

Sanctuary Advisors, LLC

$25,805

0.05%

32,500

XTX Topco Ltd

$25,578

0.05%

32,215

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
XTX EXECUTION SERVICES LLC joint	32,215	$25,578	100.0%	Defined

Eaton Financial Holdings Company, LLC

$25,276

0.04%

31,835

Chicago Partners Investment Group LLC

$24,614

0.04%

31,000

WELLS FARGO & COMPANY/MN

$24,614

0.04%

31,000

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
WELLS FARGO ADVISORS FINANCIAL NETWORK, LLC	31,000	$24,614	100.0%	Defined

Tower Research Capital LLC (TRC)

$21,936

0.04%

27,628

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
Tower Research Capital Investments LLC	23,994	$19,051	86.8%	Other
Latour Trading LLC (Latour)	3,634	$2,885	13.2%	Defined

BARTLETT & CO. WEALTH MANAGEMENT LLC

$19,850

0.04%

25,000

Brookstone Capital Management

$16,889

0.03%

21,272

J.W. COLE ADVISORS, INC.

$16,499

0.03%

20,780

LPL Financial LLC

$16,217

0.03%

20,425

RAYMOND JAMES FINANCIAL INC

$15,938

0.03%

20,074

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
RAYMOND JAMES & ASSOCIATES	17,600	$13,974	87.7%	Defined
Raymond James Financial Services Advisors, Inc.	2,474	$1,964	12.3%	Defined

Verition Fund Management LLC

$15,856

0.03%

19,971

R Squared Ltd

$15,853

0.03%

19,966

SG Americas Securities, LLC

$14,793

0.03%

18,632

Creative Planning

$13,123

0.02%

16,528

Wealthspire Advisors, LLC

$12,399

0.02%

15,617

Naviter Wealth, LLC

$12,132

0.02%

15,280

SUSQUEHANNA INTERNATIONAL GROUP, LLP

$12,014

0.02%

15,132

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
SUSQUEHANNA SECURITIES, LLC	15,132	$12,014	100.0%	Other

VICTORY CAPITAL MANAGEMENT INC

$11,917

0.02%

15,009

Catalyst Funds Management Pty Ltd

$10,103

0.02%

12,725

StoneX Group Inc.

$8,261

0.01%

10,405

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
STONEX FINANCIAL INC.	10,405	$8,261	100.0%	Defined

Bank of New York Mellon Corp

$8,002

0.01%

10,080

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
The Bank of New York Mellon	10,079	$8,002	100.0%	Defined
Held directly	1	$0	0.0%	Defined

CITIGROUP INC

$6,234

0.01%

7,852

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
Citigroup Financial Products Inc. joint	7,852	$6,234	100.0%	Defined

TFC Financial Management, Inc.

$3,970

0.01%

5,000

Triumph Capital Management

$2,382

0.00%

3,000

IFP Advisors, Inc

$1,588

0.00%

2,000

St. Johns Investment Management Company, LLC

$1,572

0.00%

1,980

BARCLAYS PLC

$1,480

0.00%

1,865

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
BARCLAYS CAPITAL INC.	1,865	$1,480	100.0%	Defined

JPMORGAN CHASE & CO

$1,208

0.00%

1,523

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
JPMorgan Chase Bank, N.A.	589	$467	38.7%	Defined
J.P. Morgan Securities plc	934	$741	61.3%	Defined

Avion Wealth

$827

0.00%

1,042

BNP PARIBAS ARBITRAGE, SA

$440

0.00%

555

JONES FINANCIAL COMPANIES LLLP

$397

0.00%

500

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
Edward D. Jones & Co., L.P.	500	$397	100.0%	Sole

SBI Securities Co., Ltd.

$96

0.00%

121

Optiver Holding B.V.

$11

0.00%

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
Optiver VOF	14	$11	100.0%	Defined

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
Parkside Financial Bank & Trust	15,664	$7,174	100.0%	Sole

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
RBC Capital Markets, LLC	3,471	$1,589	100.0%	Defined

Key facts CIK 1572616 CUSIP 35168W103 13F (30d) 62 filings 62 filers Visit website Investor relations