iShares Russell Mid-Cap Growth ETF
1,178 hedge funds and large institutions have $14.3B invested in iShares Russell Mid-Cap Growth ETF in 2026 Q1 according to their latest regulatory filings, with 73 funds opening new positions, 382 increasing their positions, 376 reducing their positions, and 97 closing their positions.
111% more call options, than puts
Call options by funds: $11.5M | Put options by funds: $5.46M
2% more repeat investments, than reductions
Existing positions increased: 382 | Existing positions reduced: 376
2.06% less ownership
Funds ownership: 78.46% → 76.41% (-2.1%)
4% less funds holding
Funds holding: 1,230 → 1,178 (-52)
10% less capital invested
Capital invested by funds: $16B → $14.3B (-$1.65B)
16% less funds holding in top 10
Funds holding in top 10: 44 → 37 (-7)
25% less first-time investments, than exits
New positions opened: 73 | Existing positions closed: 97
Top Buyers
| Rank | Fund | Capital Flow |
|---|---|---|
| 1 |
Morgan Stanley
New York
|
+$67.9M |
| 2 |
UBS Group
Zurich,
Switzerland
|
+$51.9M |
| 3 |
Fifth Third Bancorp
Cincinnati,
Ohio
|
+$41.8M |
| 4 |
MFIM
Mesirow Financial Investment Management
Chicago,
Illinois
|
+$25.6M |
| 5 |
Natixis Advisors
Boston,
Massachusetts
|
+$18.5M |
Top Sellers
| Rank | Fund | Capital Flow |
|---|---|---|
| 1 |
TIAA Trust, National Association
Charlotte,
North Carolina
|
-$299M |
| 2 |
Jones Financial Companies
Des Peres,
Missouri
|
-$254M |
| 3 |
GI
GLOBALT Investments
Atlanta,
Georgia
|
-$45.2M |
| 4 |
AF
Align Financial
Hermantown,
Minnesota
|
-$37.7M |
| 5 |
Envestnet Asset Management
Chicago,
Illinois
|
-$31.8M |
IWP Hedge Fund Activity: Q1 2026 in Review
1,178 of the 8,180 institutional investors tracked by Wall St. Rank reported a position in iShares Russell Mid-Cap Growth ETF (IWP) for Q1 2026, worth a combined $14.3B — down 10% from $16B a quarter earlier.
Sellers outnumbered buyers: 97 funds closed out of IWP and 73 opened new positions — a net loss of 24 holders — while 376 trimmed existing stakes and 382 added.
The largest buyer was Morgan Stanley, adding an estimated $67.9M. The largest seller was TIAA Trust, National Association, cutting an estimated $299M.
- 1,178 institutional investors held iShares Russell Mid-Cap Growth ETF (IWP) as of Q1 2026, down from 1,230 in Q4 2025.
- Funds reported $14.3B of iShares Russell Mid-Cap Growth ETF stock for Q1 2026, down 10% quarter-over-quarter.
- 73 funds opened new iShares Russell Mid-Cap Growth ETF positions in Q1 2026 and 97 closed out, a net change of -24 holders.
- The largest iShares Russell Mid-Cap Growth ETF buyer in Q1 2026 was Morgan Stanley, an estimated $67.9M added.
- The largest iShares Russell Mid-Cap Growth ETF seller in Q1 2026 was TIAA Trust, National Association, an estimated $299M sold.
Based on aggregated 13F filings for Q1 2026.