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iShares Micro-Cap ETF

259 hedge funds and large institutions have $655M invested in iShares Micro-Cap ETF in 2025 Q4 according to their latest regulatory filings, with 56 funds opening new positions, 61 increasing their positions, 71 reducing their positions, and 22 closing their positions.

New
Increased
Maintained
Reduced
Closed

372% more call options, than puts

Call options by funds: $1.34M | Put options by funds: $284K

155% more first-time investments, than exits

New positions opened: 56 | Existing positions closed: 22

50% more funds holding in top 10

Funds holding in top 10: 23 (+1)

14% more funds holding

Funds holding: 227259 (+32)

14% more capital invested

Capital invested by funds: $576M → $655M (+$79.2M)

2.42% more ownership

Funds ownership: 58.4%60.82% (+2.4%)

14% less repeat investments, than reductions

Existing positions increased: 61 | Existing positions reduced: 71

Holders
259
Holders Change
+32
Holders Change %
+14.1%
% of All Funds
3.13%
Holding in Top 10
3
Holding in Top 10 Change
+1
Holding in Top 10 Change %
+50%
% of All Funds
0.04%
New
56
Increased
61
Reduced
71
Closed
22
Calls
$1.34M
Puts
$284K
Net Calls
+$1.06M
Net Calls Change
-$927K

IWC Hedge Fund Activity: Q4 2025 in Review

259 of the 8,267 institutional investors tracked by Wall St. Rank reported a position in iShares Micro-Cap ETF (IWC) for Q4 2025, worth a combined $655M — up 14% from $576M a quarter earlier.

Buyers outnumbered sellers: 56 funds opened new IWC positions and 22 closed out — a net gain of 34 holders — while 61 added to existing stakes and 71 trimmed.

The largest buyer was Whittier Trust, opening a new position worth an estimated $18.7M. The largest seller was Susquehanna International Group, cutting an estimated $8.2M.

  • 259 institutional investors held iShares Micro-Cap ETF (IWC) as of Q4 2025, up from 227 in Q3 2025.
  • Funds reported $655M of iShares Micro-Cap ETF stock for Q4 2025, up 14% quarter-over-quarter.
  • 56 funds opened new iShares Micro-Cap ETF positions in Q4 2025 and 22 closed out, a net change of +34 holders.
  • The largest iShares Micro-Cap ETF buyer in Q4 2025 was Whittier Trust, an estimated $18.7M added.
  • The largest iShares Micro-Cap ETF seller in Q4 2025 was Susquehanna International Group, an estimated $8.2M sold.

Based on aggregated 13F filings for Q4 2025.