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SEI Investments
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Fund managers haven’t disclosed any holdings of SEIC yet.

SEIC Hedge Fund Activity: Q1 2026 in Review

565 of the 8,130 institutional investors tracked by Wall St. Rank reported a position in SEI Investments (SEIC) for Q1 2026, worth a combined $7.06B — down 3.4% from $7.31B a quarter earlier.

Buyers outnumbered sellers: 74 funds opened new SEIC positions and 59 closed out — a net gain of 15 holders — while 216 added to existing stakes and 179 trimmed.

The largest buyer was Boston Partners, opening a new position worth an estimated $146M. The largest seller was Invesco, cutting an estimated $48.3M.

  • 565 institutional investors held SEI Investments (SEIC) as of Q1 2026, up from 559 in Q4 2025.
  • Funds reported $7.06B of SEI Investments stock for Q1 2026, down 3.4% quarter-over-quarter.
  • 74 funds opened new SEI Investments positions in Q1 2026 and 59 closed out, a net change of +15 holders.
  • The largest SEI Investments buyer in Q1 2026 was Boston Partners, an estimated $146M added.
  • The largest SEI Investments seller in Q1 2026 was Invesco, an estimated $48.3M sold.

Based on aggregated 13F filings for Q1 2026.