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ESS Tech
GWH

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

GWH Hedge Fund Activity: Q1 2026 in Review

51 of the 8,127 institutional investors tracked by Wall St. Rank reported a position in ESS Tech (GWH) for Q1 2026, worth a combined $8.9M — down 26% from $11.9M a quarter earlier.

Sellers outnumbered buyers: 12 funds closed out of GWH and 10 opened new positions — a net loss of 2 holders — while 7 trimmed existing stakes and 12 added.

The largest buyer was Heights Capital Management, opening a new position worth an estimated $1.48M. The largest seller was Jane Street, exiting entirely with an estimated $205K sold.

  • 51 institutional investors held ESS Tech (GWH) as of Q1 2026, down from 55 in Q4 2025.
  • Funds reported $8.9M of ESS Tech stock for Q1 2026, down 26% quarter-over-quarter.
  • 10 funds opened new ESS Tech positions in Q1 2026 and 12 closed out, a net change of -2 holders.
  • The largest ESS Tech buyer in Q1 2026 was Heights Capital Management, an estimated $1.48M added.
  • The largest ESS Tech seller in Q1 2026 was Jane Street, an estimated $205K sold.

Based on aggregated 13F filings for Q1 2026.