Instil Bio
32 hedge funds and large institutions have $34.6M invested in Instil Bio in 2026 Q1 according to their latest regulatory filings, with 10 funds opening new positions, 4 increasing their positions, 8 reducing their positions, and 6 closing their positions.
67% more first-time investments, than exits
New positions opened: 10 | Existing positions closed: 6
10% more funds holding
Funds holding: 29 → 32 (+3)
0% more funds holding in top 10
Funds holding in top 10: 3 → 3 (0)
3.63% less ownership
Funds ownership: 65.51% → 61.88% (-3.6%)
29% less capital invested
Capital invested by funds: $48.9M → $34.6M (-$14.3M)
50% less repeat investments, than reductions
Existing positions increased: 4 | Existing positions reduced: 8
Top Buyers
| Rank | Fund | Capital Flow |
|---|---|---|
| 1 |
KCM
Kalehua Capital Management
Dallas,
Texas
|
+$1.48M |
| 2 |
XT
XTX Topco
George Town,
Cayman Islands
|
+$113K |
| 3 |
Jane Street
New York
|
+$93.4K |
| 4 |
PCM
Prelude Capital Management
New York
|
+$83.6K |
| 5 |
FIA
FNY Investment Advisers
New York
|
+$81.1K |
Top Sellers
| Rank | Fund | Capital Flow |
|---|---|---|
| 1 |
SL
Siren LLC
Greenwich,
Connecticut
|
-$2.24M |
| 2 |
Millennium Management
New York
|
-$891K |
| 3 |
Morgan Stanley
New York
|
-$561K |
| 4 |
Dimensional Fund Advisors
Austin,
Texas
|
-$333K |
| 5 |
QC
Quadrature Capital
London,
United Kingdom
|
-$211K |
TIL Hedge Fund Activity: Q1 2026 in Review
32 of the 8,126 institutional investors tracked by Wall St. Rank reported a position in Instil Bio (TIL) for Q1 2026, worth a combined $34.6M — down 29% from $48.9M a quarter earlier.
Buyers outnumbered sellers: 10 funds opened new TIL positions and 6 closed out — a net gain of 4 holders — while 4 added to existing stakes and 8 trimmed.
The largest buyer was Kalehua Capital Management, opening a new position worth an estimated $1.48M. The largest seller was Siren LLC, exiting entirely with an estimated $2.24M sold.
- 32 institutional investors held Instil Bio (TIL) as of Q1 2026, up from 29 in Q4 2025.
- Funds reported $34.6M of Instil Bio stock for Q1 2026, down 29% quarter-over-quarter.
- 10 funds opened new Instil Bio positions in Q1 2026 and 6 closed out, a net change of +4 holders.
- The largest Instil Bio buyer in Q1 2026 was Kalehua Capital Management, an estimated $1.48M added.
- The largest Instil Bio seller in Q1 2026 was Siren LLC, an estimated $2.24M sold.
Based on aggregated 13F filings for Q1 2026.