We are live on ! Find out more

Fund managers haven’t disclosed any holdings of STEM yet.

STEM Hedge Fund Activity: Q1 2026 in Review

75 of the 8,126 institutional investors tracked by Wall St. Rank reported a position in Stem (STEM) for Q1 2026, worth a combined $17.4M — down 38% from $27.9M a quarter earlier.

Sellers outnumbered buyers: 19 funds closed out of STEM and 12 opened new positions — a net loss of 7 holders — while 21 trimmed existing stakes and 16 added.

The largest buyer was Marshall Wace, adding an estimated $1.67M. The largest seller was Susquehanna International Group, exiting entirely with an estimated $1.12M sold.

  • 75 institutional investors held Stem (STEM) as of Q1 2026, down from 86 in Q4 2025.
  • Funds reported $17.4M of Stem stock for Q1 2026, down 38% quarter-over-quarter.
  • 12 funds opened new Stem positions in Q1 2026 and 19 closed out, a net change of -7 holders.
  • The largest Stem buyer in Q1 2026 was Marshall Wace, an estimated $1.67M added.
  • The largest Stem seller in Q1 2026 was Susquehanna International Group, an estimated $1.12M sold.

Based on aggregated 13F filings for Q1 2026.