Jack in the Box
JACK
138 hedge funds and large institutions have $165M invested in Jack in the Box in 2026 Q1 according to their latest regulatory filings, with 25 funds opening new positions, 39 increasing their positions, 55 reducing their positions, and 40 closing their positions.
0% more funds holding in top 10
Funds holding in top 10: 3 → 3 (0)
6.61% less ownership
Funds ownership: 96.11% → 89.5% (-6.6%)
12% less funds holding
Funds holding: 156 → 138 (-18)
29% less repeat investments, than reductions
Existing positions increased: 39 | Existing positions reduced: 55
38% less first-time investments, than exits
New positions opened: 25 | Existing positions closed: 40
52% less capital invested
Capital invested by funds: $344M → $165M (-$180M)
60% less call options, than puts
Call options by funds: $3.5M | Put options by funds: $8.72M
Top Buyers
| Rank | Fund | Capital Flow |
|---|---|---|
| 1 |
NCM
Nantahala Capital Management
New Canaan,
Connecticut
|
+$12M |
| 2 |
Marshall Wace
London,
United Kingdom
|
+$8.69M |
| 3 |
Millennium Management
New York
|
+$5.1M |
| 4 |
Allianz Asset Management
Munich,
Germany
|
+$3.48M |
| 5 |
EGM
Engineers Gate Manager
New York
|
+$3.36M |
Top Sellers
| Rank | Fund | Capital Flow |
|---|---|---|
| 1 |
ICM
Invenomic Capital Management
Boston,
Massachusetts
|
-$7.82M |
| 2 |
Goldman Sachs
New York
|
-$7.13M |
| 3 |
Arrowstreet Capital
Boston,
Massachusetts
|
-$4.68M |
| 4 |
RAM
Readystate Asset Management
Chicago,
Illinois
|
-$4.27M |
| 5 |
WM
Windward Management
Miami Beach,
Florida
|
-$3.67M |
JACK Hedge Fund Activity: Q1 2026 in Review
138 of the 8,187 institutional investors tracked by Wall St. Rank reported a position in Jack in the Box (JACK) for Q1 2026, worth a combined $165M — down 52% from $344M a quarter earlier.
Sellers outnumbered buyers: 40 funds closed out of JACK and 25 opened new positions — a net loss of 15 holders — while 55 trimmed existing stakes and 39 added.
The largest buyer was Nantahala Capital Management, adding an estimated $12M. The largest seller was Invenomic Capital Management, cutting an estimated $7.82M.
- 138 institutional investors held Jack in the Box (JACK) as of Q1 2026, down from 156 in Q4 2025.
- Funds reported $165M of Jack in the Box stock for Q1 2026, down 52% quarter-over-quarter.
- 25 funds opened new Jack in the Box positions in Q1 2026 and 40 closed out, a net change of -15 holders.
- The largest Jack in the Box buyer in Q1 2026 was Nantahala Capital Management, an estimated $12M added.
- The largest Jack in the Box seller in Q1 2026 was Invenomic Capital Management, an estimated $7.82M sold.
Based on aggregated 13F filings for Q1 2026.