13F Insight
DOSSIER · 13F Holders · Q4 2025High-convictionMulti-bagger
GUTS

FRACTYL HEALTH INC

90 institutions still hold FRACTYL HEALTH INC as of Q4 2025. Tracked across SEC 13F-HR filings, with insider and 13D/G activity surfaced alongside.

CUSIP 35168W103·90 13F holders·last filed Dec 31, 2025
Market cap
—
▼ 7.2%
vs prior quarter
13F value held
$77M
70.0% inst. owned
of float
Holders
90
+53 QoQ
filers reporting
Activity
+25 / −62
+905 added · −727 reduced
this quarter
Concentration
17.21%
683 Capital Management, LLC #1
top holder share
AI Holders Summary · Q4 2025

90 institutions reported GUTS in Q4 2025. 683 Capital Management, LLC leads at 17.2% of the visible book. +53 net new institutions vs prior quarter — accumulation reading.

Top holders

Sorted by position value. Source: SEC EDGAR 13F-HR filings.

#HolderValueShares% port.Quarter
01
683 Capital Management, LLC
CIK 0001404574
$13M6.0M0.58%Q4 202502
MARSHALL WACE, LLP
CIK 0001318757
$13M5.9M0.01%Q4 202503
HCC Manager LLC
CIK 0001844818
$10M4.7M100.00%Q4 202504
Alyeska Investment Group, L.P.
CIK 0001453072
$8M3.8M0.02%Q4 202505
Nantahala Capital Management, LLC
CIK 0001472322
$6M13.4M0.23%Q1 202606
D. E. Shaw & Co., Inc.
CIK 0001009207
$3M1.4M0.00%Q4 202507
TWO SIGMA ADVISERS, LP
CIK 0001478735
$3M1.3M0.01%Q4 202508
Pale Fire Capital SE
CIK 0001922318
$3M5.9M0.24%Q1 202609
VANGUARD CAPITAL MANAGEMENT LLC
CIK 0002100119· Index
$3M5.5M0.00%Q1 202610
Catalio Capital Management, LP
CIK 0001958125
$3M5.5M0.53%Q1 202611
General Catalyst Group Management, LLC
CIK 0001637946
$2M4.9M1.22%Q1 202612
Deer Management Co. LLC
CIK 0001494127
$2M4.8M0.35%Q1 202613
MAVERICK CAPITAL LTD
CIK 0000934639
$2M4.0M0.02%Q1 202614
Burkehill Global Management, LP
CIK 0001904549
$1M500K0.07%Q4 202515
Woodline Partners LP
CIK 0001784547
$1M2.2M0.00%Q1 202616
BlackRock, Inc.
CIK 0002012383
$979,6172.1M0.00%Q1 202617
M28 Capital Management LP
CIK 0001807489
$849,7301.9M1.58%Q1 202618
SILVERARC CAPITAL MANAGEMENT, LLC
CIK 0001816307
$779,0041.7M0.08%Q1 202619
UBS Group AG
CIK 0001610520
$742,9511.6M0.00%Q1 202620
GEODE CAPITAL MANAGEMENT, LLC
CIK 0001214717· Index
$657,3801.4M0.00%Q1 2026
Page 1 of 5
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