Sera Prognostics

SERA

Market cap $80.3M

SERA Hedge Fund Activity: Q1 2026 in Review

56 of the 8,130 institutional investors tracked by Wall St. Rank reported a position in Sera Prognostics (SERA) for Q1 2026, worth a combined $40.5M — down 23% from $52.4M a quarter earlier.

Fund positioning in SERA was balanced in Q1 2026: 11 funds opened new positions, 11 closed out, 6 added to existing stakes and 17 trimmed.

The largest buyer was PSP Research, opening a new position worth an estimated $6.17M. The largest seller was Citadel Advisors, cutting an estimated $1.18M.

• 56 institutional investors held Sera Prognostics (SERA) as of Q1 2026, down from 57 in Q4 2025.
• Funds reported $40.5M of Sera Prognostics stock for Q1 2026, down 23% quarter-over-quarter.
• 11 funds opened new Sera Prognostics positions in Q1 2026 and 11 closed out, a net change of 0 holders.
• The largest Sera Prognostics buyer in Q1 2026 was PSP Research, an estimated $6.17M added.
• The largest Sera Prognostics seller in Q1 2026 was Citadel Advisors, an estimated $1.18M sold.

Based on aggregated 13F filings for Q1 2026.