Institutional HoldersBeta

Who holds a company, from every 13F filed for the quarter, one row per filer exactly as filed, against the latest share count the company reported.

FRACTYL HEALTH, INC.

CIK 0001572616GUTS· quarter ending 2026-06-30
Shares outstanding
159,179,848
Held by 13F filers
82,120,769
51.6% of shares outstanding
Holders
77
-6 vs 2026-03-31 · 12 new, 18 exited
Value
$65.2M
shares +14.0% vs prior quarter

Share classes (cover page of the 10-Q filed 2026-08-10, as of 2026-08-04)

ClassListedShares outstandingHeld by 13F filers% of classHoldersCUSIP
Common stockGUTS · NASDAQ159,179,84882,120,76951.6%7735168W103

Each class is compared with its own share count; classes are not added together. A class that is not exchange-listed cannot be held by 13F filers.

Securities (CUSIPs held in 13F this quarter)

tick to combine
CountCUSIPClass (as filers write it)HoldersShares heldClass shares% of classValueOptionsMapped via
35168W103COM7782,120,769159,179,84851.6%$65.2M—13DGholders →

Totals combine the ticked CUSIPs and update as you tick: common-stock classes by default; preferreds, notes, warrants and depositary shares are listed but not counted. "holders →" shows a single CUSIP on its own. Bonds are held as a principal amount, not shares. Options positions are never counted as holdings.

Top holders (77 of 77 · 35168W103)

change vs 2026-03-31
#FilerShares% of classValueChange
1Nantahala Capital Management, LLC22,578,19214.18%$17.9M+9,213,673 (+68.9%)
2Catalio Capital Management, LP6,168,7493.88%$4.9M+676,883 (+12.3%)
3VANGUARD CAPITAL MANAGEMENT LLC6,096,9263.83%$4.8M+563,920 (+10.2%)
4BANK OF AMERICA CORP /DE/6,034,1473.79%$4.8M+5,909,158 (+4727.7%)
5Pale Fire Capital SE5,003,2373.14%$4.0M-917,808 (-15.5%)
6General Catalyst Group Management, LLC4,884,1863.07%$3.9M-7 (-0.0%)
7Deer Management Co. LLC4,770,9013.00%$3.8M—
8MAVERICK CAPITAL LTD3,974,8062.50%$3.2M—
9M28 Capital Management LP1,856,1171.17%$1.5M—
10BlackRock, Inc.1,801,0601.13%$1.4M-338,777 (-15.8%)
11Woodline Partners LP1,783,5921.12%$1.4M-458,087 (-20.4%)
12JANE STREET GROUP, LLC1,731,6221.09%$1.4M+1,691,913 (+4260.8%)
13SILVERARC CAPITAL MANAGEMENT, LLC1,637,9761.03%$1.3M-63,649 (-3.7%)
14UBS Group AG1,579,8890.99%$1.3M-42,274 (-2.6%)
15CM Management, LLC1,400,0000.88%$1.1M—
16GEODE CAPITAL MANAGEMENT, LLC1,316,3410.83%$1.0M-118,920 (-8.3%)
17Ikarian Capital, LLC1,100,0000.69%$874K—
18MARSHALL WACE, LLP1,080,6670.68%$854K+272,871 (+33.8%)
19Logos Global Management LP1,000,0000.63%$794K—
20Brevan Howard Capital Management LP916,3210.58%$719K+683,952 (+294.3%)
21683 Capital Management, LLC756,7150.48%$601K-5,970,520 (-88.8%)
22VANGUARD FIDUCIARY TRUST CO722,1320.45%$573K+115,947 (+19.1%)
23STATE STREET CORP516,0000.32%$410K+51,300 (+11.0%)
24MORGAN STANLEY426,5040.27%$339K-69,397 (-14.0%)
25Mink Brook Asset Management LLC352,7450.22%$280KNEW
26BOOTHBAY FUND MANAGEMENT, LLC275,2190.17%$219K—
27NORTHERN TRUST CORP261,9070.16%$208K+46,030 (+21.3%)
28TWO SIGMA INVESTMENTS, LP224,5370.14%$178K-255,200 (-53.2%)
29PEAK6 LLC200,0000.13%$159K—
30GOLDMAN SACHS GROUP INC175,8640.11%$140K+107,431 (+157.0%)
31Cerity Partners LLC168,5000.11%$134K—
32Shay Capital LLC130,2210.08%$103K-227,644 (-63.6%)
33RENAISSANCE TECHNOLOGIES LLC122,2000.08%$97K+87,000 (+247.2%)
34OSAIC HOLDINGS, INC.106,2160.07%$84K+5,404 (+5.4%)
35Accredited Investors Inc.100,0000.06%$79K—
36FNY Investment Advisers, LLC65,4200.04%$51K+29,920 (+84.3%)
37Conservest Capital Advisors, Inc.64,1180.04%$51K—
38Cambridge Investment Research Advisors, Inc.64,0000.04%$51K—
39HighTower Advisors, LLC51,4420.03%$41K—
40MAI Capital Management50,0000.03%$40KNEW
41Vanguard Global Advisers, LLC41,3110.03%$33K—
42Phraction Management LLC41,0000.03%$33K—
43Sanctuary Advisors, LLC32,5000.02%$26KNEW
44XTX Topco Ltd32,2150.02%$26K-11,977 (-27.1%)
45Eaton Financial Holdings Company, LLC31,8350.02%$25KNEW
46WELLS FARGO & COMPANY/MN31,0000.02%$25K—
47Chicago Partners Investment Group LLC31,0000.02%$23K—
48Tower Research Capital LLC (TRC)27,6280.02%$22KNEW
49BARTLETT & CO. WEALTH MANAGEMENT LLC25,0000.02%$20KNEW
50Brookstone Capital Management21,2720.01%$17K—
51J.W. COLE ADVISORS, INC.20,7800.01%$17KNEW
52LPL Financial LLC20,4250.01%$16K—
53RAYMOND JAMES FINANCIAL INC20,0740.01%$16K—
54Verition Fund Management LLC19,9710.01%$16K—
55R Squared Ltd19,9660.01%$16K+8,690 (+77.1%)
56SG Americas Securities, LLC18,6320.01%$15KNEW
57Creative Planning16,5280.01%$13K—
58Wealthspire Advisors, LLC15,6170.01%$12K—
59Naviter Wealth, LLC15,2800.01%$12KNEW
60SUSQUEHANNA INTERNATIONAL GROUP, LLP15,1320.01%$12K-160,955 (-91.4%)
61VICTORY CAPITAL MANAGEMENT INC15,0090.01%$12K+2,323 (+18.3%)
62Catalyst Funds Management Pty Ltd12,7250.01%$10K-34,075 (-72.8%)
63StoneX Group Inc.10,4050.01%$8KNEW
64Bank of New York Mellon Corp10,0800.01%$8K+1 (+0.0%)
65CITIGROUP INC7,8520.00%$6KNEW
66TFC Financial Management, Inc.5,0000.00%$4K—
67Triumph Capital Management3,0000.00%$2K—
68IFP Advisors, Inc2,0000.00%$2KNEW
69St. Johns Investment Management Company, LLC1,9800.00%$2K—
70BARCLAYS PLC1,8650.00%$1K-114,183 (-98.4%)
71JPMORGAN CHASE & CO1,5230.00%$1K+589 (+63.1%)
72Parkside Financial Bank & Trust1,4630.00%$1K-14,201 (-90.7%)
73Avion Wealth1,0420.00%$0—
74BNP PARIBAS FINANCIAL MARKETS5550.00%$441-247 (-30.8%)
75JONES FINANCIAL COMPANIES LLLP5000.00%$372—
76SBI Securities Co., Ltd.1210.00%$96—
77Optiver Holding B.V.140.00%$11—
Exited since 2026-03-31 (18 filers; largest 18 shown)
Burkehill Global Management, LP−500,000
BRIDGEWAY CAPITAL MANAGEMENT, LLC−208,925
OMERS ADMINISTRATION Corp−123,900
GSA CAPITAL PARTNERS LLP−87,465
CITADEL ADVISORS LLC−48,196
EVOKE WEALTH, LLC−40,000
Marex Group plc−29,537
Schonfeld Strategic Advisors LLC−29,115
SummitTX Capital, L.P.−18,200
Bronte Capital Management Pty Ltd.−16,905
LMR Partners LLP−15,871
Algorithmic Investment Models, LLC−15,500
PRELUDE CAPITAL MANAGEMENT, LLC−11,286
Larson Financial Group LLC−5,953
ROYAL BANK OF CANADA−3,471
Sound Income Strategies, LLC−1,971
NORTHWESTERN MUTUAL WEALTH MANAGEMENT CO−360
Annis Gardner Whiting Capital Advisors, LLC−200

Large holders from 13D/13G (latest per reporting person, last 2 years)

Filed when a holder crosses 5% or changes materially, so often more current than the quarter-end 13F. Percentages are the filer's own, against the share count they used.

Reporting personFormFiledEventShares% of class
Daniel MackSCHEDULE 13G/A2026-05-152026-03-3116,124,7809.99%
Ari ZweimanSCHEDULE 13G/A2026-05-152026-03-317,679,6154.81%
683 Capital Management, LLCSCHEDULE 13G/A2026-05-152026-03-317,679,6154.81%
Wilmot B. HarkeySCHEDULE 13G/A2026-05-152026-03-3116,124,7809.99%
Nantahala Capital Management, LLCSCHEDULE 13G/A2026-05-152026-03-3116,124,7809.99%
683 Capital Partners, LPSCHEDULE 13G/A2026-05-152026-03-317,679,6154.81%
SilverArc Capital Management, LLCSCHEDULE 13G/A2026-05-132026-03-313,606,3862.3%
Devesh GandhiSCHEDULE 13G/A2026-05-132026-03-313,606,3862.3%
Alyeska Fund GP, LLCSCHEDULE 13G/A2026-02-172025-12-317,619,0464.97%
Alyeska Investment Group, L.P.SCHEDULE 13G/A2026-02-172025-12-317,619,0464.97%
Anand ParekhSCHEDULE 13G/A2026-02-172025-12-317,619,0464.97%
Mithril LPSCHEDULE 13G/A2026-02-122025-12-315,160,3013.8%
Peter ThielSCHEDULE 13G/A2026-02-122025-12-316,412,2014.7%
Ajay RoyanSCHEDULE 13G/A2026-02-122025-12-316,460,1024.7%
Mithril GP LPSCHEDULE 13G/A2026-02-122025-12-315,160,3013.8%
Mithril II GP LPSCHEDULE 13G/A2026-02-122025-12-311,251,9000.9%
Mithril II LPSCHEDULE 13G/A2026-02-122025-12-311,251,9000.9%
Mithril II UGP LLCSCHEDULE 13G/A2026-02-122025-12-311,251,9000.9%
HCC Manager LLCSCHEDULE 13G/A2026-02-042026-02-044,673,8703.4%
CVF, LLCSCHEDULE 13G/A2026-02-042026-02-044,673,8703.4%
Lee S. Ainslie IIISCHEDULE 13G/A2025-11-142025-09-304,248,4923.1%
Maverick Capital, Ltd.SCHEDULE 13G/A2025-11-142025-09-304,248,4923.1%
Maverick Capital Management, LLCSCHEDULE 13G/A2025-11-142025-09-304,248,4923.1%
BlackRock, Inc.SCHEDULE 13G/A2025-04-232025-03-311,790,0263.7%
Bessemer Venture Partners VII Institutional L.P.SCHEDULE 13G2025-02-142024-12-31667,9241.4%
Deer VII & Co. Ltd.SCHEDULE 13G2025-02-142024-12-314,770,9019.9%
Deer VII & Co. L.P.SCHEDULE 13G2025-02-142024-12-314,770,9019.9%
BVP VII Special Opportunity Fund L.P.SCHEDULE 13G2025-02-142024-12-312,576,2885.4%
Bessemer Venture Partners VII L.P.SCHEDULE 13G2025-02-142024-12-311,526,6893.2%

Source: SEC Form 13F-HR information tables for the quarter ending 2026-06-30 (filed within 45 days of quarter end; amendments applied; values normalised to dollars), the share count from the company's latest 10-K/10-Q XBRL cover page, and Schedule 13D/13G filings. Each row is a legal 13F filer as filed — related entities (e.g. Vanguard's advisers) are not merged. Retail brokerage accounts are not reported on 13F, so the remainder is mostly retail and insiders.