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iShares MSCI USA Size Factor ETF
SIZE

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

SIZE Hedge Fund Activity: Q1 2026 in Review

71 of the 8,126 institutional investors tracked by Wall St. Rank reported a position in iShares MSCI USA Size Factor ETF (SIZE) for Q1 2026, worth a combined $316M — down 0.72% from $319M a quarter earlier.

Fund positioning in SIZE was balanced in Q1 2026: 8 funds opened new positions, 8 closed out, 17 added to existing stakes and 28 trimmed.

The largest buyer was Wells Fargo, adding an estimated $9.11M. The largest seller was BlackRock, cutting an estimated $3.17M.

  • 71 institutional investors held iShares MSCI USA Size Factor ETF (SIZE) as of Q1 2026, down from 72 in Q4 2025.
  • Funds reported $316M of iShares MSCI USA Size Factor ETF stock for Q1 2026, down 0.72% quarter-over-quarter.
  • 8 funds opened new iShares MSCI USA Size Factor ETF positions in Q1 2026 and 8 closed out, a net change of 0 holders.
  • The largest iShares MSCI USA Size Factor ETF buyer in Q1 2026 was Wells Fargo, an estimated $9.11M added.
  • The largest iShares MSCI USA Size Factor ETF seller in Q1 2026 was BlackRock, an estimated $3.17M sold.

Based on aggregated 13F filings for Q1 2026.