Fractyl Health
GUTS
75 hedge funds and large institutions have $145M invested in Fractyl Health in 2025 Q3 according to their latest regulatory filings, with 30 funds opening new positions, 17 increasing their positions, 13 reducing their positions, and 18 closing their positions.
7,718% more capital inflows, than outflows
Capital inflows: $83.7M | Capital outflows: $1.07M
67% more first-time investments, than exits
New positions opened: 30 | Existing positions closed: 18
31% more repeat investments, than reductions
Existing positions increased: 17 | Existing positions reduced: 13
19% more funds holding
Funds holding: 63 → 75 (+12)
10.23% more ownership
Funds ownership: 56.54% → 66.77% (+10%)
0% more funds holding in top 10
Funds holding in top 10: 4 → 4 (0)
Top Buyers
| Rank | Fund | Capital Flow |
|---|---|---|
| 1 |
Nantahala Capital Management
New Canaan,
Connecticut
|
+$15.7M |
| 2 |
Silverarc Capital Management
Boston,
Massachusetts
|
+$13.5M |
| 3 |
Alyeska Investment Group
Chicago,
Illinois
|
+$7.33M |
| 4 |
Catalio Capital Management
New York
|
+$6.49M |
| 5 |
Rosalind Advisors
Toronto,
Ontario, Canada
|
+$6.49M |
Top Sellers
| Rank | Fund | Capital Flow |
|---|---|---|
| 1 |
Y-Intercept (HK)
Hong Kong
|
-$181K |
| 2 |
BlackRock
New York
|
-$164K |
| 3 |
Millennium Management
New York
|
-$150K |
| 4 |
Susquehanna International Group
Bala Cynwyd,
Pennsylvania
|
-$147K |
| 5 |
AQR Capital Management
Greenwich,
Connecticut
|
-$105K |
GUTS Hedge Fund Activity: Q3 2025 in Review
75 of the 7,657 institutional investors tracked by Wall St. Rank reported a position in Fractyl Health (GUTS) for Q3 2025, worth a combined $145M — up 224% from $44.9M a quarter earlier.
Buyers outnumbered sellers: 30 funds opened new GUTS positions and 18 closed out — a net gain of 12 holders — while 17 added to existing stakes and 13 trimmed.
The largest buyer was Nantahala Capital Management, opening a new position worth an estimated $15.7M. The largest seller was Y-Intercept (HK), exiting entirely with an estimated $181K sold.
- 75 institutional investors held Fractyl Health (GUTS) as of Q3 2025, up from 63 in Q2 2025.
- Funds reported $145M of Fractyl Health stock for Q3 2025, up 224% quarter-over-quarter.
- 30 funds opened new Fractyl Health positions in Q3 2025 and 18 closed out, a net change of +12 holders.
- The largest Fractyl Health buyer in Q3 2025 was Nantahala Capital Management, an estimated $15.7M added.
- The largest Fractyl Health seller in Q3 2025 was Y-Intercept (HK), an estimated $181K sold.
Based on aggregated 13F filings for Q3 2025.