BURLINGTON, MA
FRACTYL HEALTH, INC.GUTS— Latest position per institution from SEC 13F filings
15
Institutional holders
81.36M
Total shares held
71.58M
Estimated value
4.07M
Avg. position size
NANTAHALA CAPITAL MANAGEMENT, LLC
CIK 1472322
Shares
13.36M
Value
6.12M
Filed
Mar 31, 2026
683 CAPITAL MANAGEMENT, LLC
CIK 1404574
Shares
6.73M
Value
3.08M
Filed
Mar 31, 2026
VANGUARD GROUP INC
CIK 102909
Shares
6.03M
Value
13.26M
Filed
Dec 31, 2025
PALE FIRE CAPITAL SE
CIK 1922318
Shares
5.92M
Value
2.71M
Filed
Mar 31, 2026
VANGUARD CAPITAL MANAGEMENT LLC
CIK 2100119
Shares
5.53M
Value
2.53M
Filed
Mar 31, 2026
CATALIO CAPITAL MANAGEMENT, LP
CIK 1958125
Shares
5.49M
Value
2.51M
Filed
Mar 31, 2026
GENERAL CATALYST GROUP MANAGEMENT, LLC
CIK 1637946
Shares
4.88M
Value
2.24M
Filed
Mar 31, 2026
DEER MANAGEMENT CO. LLC
CIK 1494127
Shares
4.77M
Value
2.19M
Filed
Mar 31, 2026
HCC MANAGER LLC
CIK 1844818
Shares
4.67M
Value
10.28M
Filed
Dec 31, 2025
MAVERICK CAPITAL LTD
CIK 934639
Shares
3.97M
Value
1.82M
Filed
Mar 31, 2026
ALYESKA INVESTMENT GROUP, L.P.
CIK 1453072
Shares
3.81M
Value
8.38M
Filed
Dec 31, 2025
WOODLINE PARTNERS LP
CIK 1784547
Shares
2.24M
Value
1.03M
Filed
Mar 31, 2026
BLACKROCK, INC.
CIK 2012383
Shares
2.14M
Value
979.62K
Filed
Mar 31, 2026
ATOM INVESTORS LP
CIK 1738902
Shares
1.88M
Value
4.14M
Filed
Dec 31, 2025
MILLENNIUM MANAGEMENT LLC
CIK 1273087
Shares
1.86M
Value
4.10M
Filed
Dec 31, 2025
M28 CAPITAL MANAGEMENT LP
CIK 1807489
Shares
1.86M
Value
849.73K
Filed
Mar 31, 2026
SILVERARC CAPITAL MANAGEMENT, LLC
CIK 1816307
Shares
1.70M
Value
779K
Filed
Mar 31, 2026
UBS GROUP AG
CIK 1610520
Shares
1.62M
Value
742.95K
Filed
Mar 31, 2026
D. E. SHAW & CO., INC.
CIK 1009207
Shares
1.44M
Value
3.17M
Filed
Dec 31, 2025
GEODE CAPITAL MANAGEMENT, LLC
CIK 1214717
Shares
1.44M
Value
657.38K
Filed
Mar 31, 2026
| # | Institution | CIK | Shares | Est. Value | Period |
|---|---|---|---|---|---|
| 1 | NANTAHALA CAPITAL MANAGEMENT, LLC | 1472322 | 13.36M | 6.12M | Mar 31, 2026 |
| 2 | 683 CAPITAL MANAGEMENT, LLC | 1404574 | 6.73M | 3.08M | Mar 31, 2026 |
| 3 | VANGUARD GROUP INC | 102909 | 6.03M | 13.26M | Dec 31, 2025 |
| 4 | PALE FIRE CAPITAL SE | 1922318 | 5.92M | 2.71M | Mar 31, 2026 |
| 5 | VANGUARD CAPITAL MANAGEMENT LLC | 2100119 | 5.53M | 2.53M | Mar 31, 2026 |
| 6 | CATALIO CAPITAL MANAGEMENT, LP | 1958125 | 5.49M | 2.51M | Mar 31, 2026 |
| 7 | GENERAL CATALYST GROUP MANAGEMENT, LLC | 1637946 | 4.88M | 2.24M | Mar 31, 2026 |
| 8 | DEER MANAGEMENT CO. LLC | 1494127 | 4.77M | 2.19M | Mar 31, 2026 |
| 9 | HCC MANAGER LLC | 1844818 | 4.67M | 10.28M | Dec 31, 2025 |
| 10 | MAVERICK CAPITAL LTD | 934639 | 3.97M | 1.82M | Mar 31, 2026 |
| 11 | ALYESKA INVESTMENT GROUP, L.P. | 1453072 | 3.81M | 8.38M | Dec 31, 2025 |
| 12 | WOODLINE PARTNERS LP | 1784547 | 2.24M | 1.03M | Mar 31, 2026 |
| 13 | BLACKROCK, INC. | 2012383 | 2.14M | 979.62K | Mar 31, 2026 |
| 14 | ATOM INVESTORS LP | 1738902 | 1.88M | 4.14M | Dec 31, 2025 |
| 15 | MILLENNIUM MANAGEMENT LLC | 1273087 | 1.86M | 4.10M | Dec 31, 2025 |
| 16 | M28 CAPITAL MANAGEMENT LP | 1807489 | 1.86M | 849.73K | Mar 31, 2026 |
| 17 | SILVERARC CAPITAL MANAGEMENT, LLC | 1816307 | 1.70M | 779K | Mar 31, 2026 |
| 18 | UBS GROUP AG | 1610520 | 1.62M | 742.95K | Mar 31, 2026 |
| 19 | D. E. SHAW & CO., INC. | 1009207 | 1.44M | 3.17M | Dec 31, 2025 |
| 20 | GEODE CAPITAL MANAGEMENT, LLC | 1214717 | 1.44M | 657.38K | Mar 31, 2026 |
Data sourced from SEC Form 13F institutional holdings reports. Positions reflect the most recent filing per institution.