Jack in the Box

JACK

Market cap $310M

JACK Hedge Fund Activity: Q1 2026 in Review

138 of the 8,126 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.