Arcturus Therapeutics

ARCT

Market cap $176M

ARCT Hedge Fund Activity: Q1 2026 in Review

124 of the 8,126 institutional investors tracked by Wall St. Rank reported a position in Arcturus Therapeutics (ARCT) for Q1 2026, worth a combined $187M — up 28% from $146M a quarter earlier.

Buyers outnumbered sellers: 28 funds opened new ARCT positions and 23 closed out — a net gain of 5 holders — while 47 added to existing stakes and 36 trimmed.

The largest buyer was Two Sigma Investments, adding an estimated $3.9M. The largest seller was Jane Street, cutting an estimated $2.91M.

• 124 institutional investors held Arcturus Therapeutics (ARCT) as of Q1 2026, up from 120 in Q4 2025.
• Funds reported $187M of Arcturus Therapeutics stock for Q1 2026, up 28% quarter-over-quarter.
• 28 funds opened new Arcturus Therapeutics positions in Q1 2026 and 23 closed out, a net change of +5 holders.
• The largest Arcturus Therapeutics buyer in Q1 2026 was Two Sigma Investments, an estimated $3.9M added.
• The largest Arcturus Therapeutics seller in Q1 2026 was Jane Street, an estimated $2.91M sold.

Based on aggregated 13F filings for Q1 2026.