State Street SPDR S&P MIDCAP 400 ETF Trust
1,456 hedge funds and large institutions have $15.3B invested in State Street SPDR S&P MIDCAP 400 ETF Trust in 2026 Q1 according to their latest regulatory filings, with 114 funds opening new positions, 325 increasing their positions, 542 reducing their positions, and 69 closing their positions.
65% more first-time investments, than exits
New positions opened: 114 | Existing positions closed: 69
1% more funds holding
Funds holding: 1,437 → 1,456 (+19)
0.63% more ownership
Funds ownership: 63.08% → 63.71% (+0.63%)
0% more funds holding in top 10
Funds holding in top 10: 58 → 58 (0)
0% less capital invested
Capital invested by funds: $15.3B → $15.3B (-$15.4M)
27% less call options, than puts
Call options by funds: $461M | Put options by funds: $629M
40% less repeat investments, than reductions
Existing positions increased: 325 | Existing positions reduced: 542
Top Buyers
| Rank | Fund | Capital Flow |
|---|---|---|
| 1 |
Morgan Stanley
New York
|
+$271M |
| 2 |
GAM
Generali Asset Management
Trieste,
Italy
|
+$101M |
| 3 |
CB
Commerce Bank
Kansas City,
Missouri
|
+$72.6M |
| 4 |
EWA
EP Wealth Advisors
Torrance,
California
|
+$49.6M |
| 5 |
BNP Paribas Financial Markets
Paris,
France
|
+$45.5M |
Top Sellers
| Rank | Fund | Capital Flow |
|---|---|---|
| 1 |
Kayne Anderson Rudnick Investment Management
Los Angeles,
California
|
-$212M |
| 2 |
HF
HRT Financial
New York
|
-$157M |
| 3 |
Wells Fargo
San Francisco,
California
|
-$95M |
| 4 |
Goldman Sachs
New York
|
-$92.7M |
| 5 |
Bank of America
Charlotte,
North Carolina
|
-$45.8M |
MDY Hedge Fund Activity: Q1 2026 in Review
1,456 of the 8,207 institutional investors tracked by Wall St. Rank reported a position in State Street SPDR S&P MIDCAP 400 ETF Trust (MDY) for Q1 2026, worth a combined $15.3B — down 0.1% from $15.3B a quarter earlier.
Buyers outnumbered sellers: 114 funds opened new MDY positions and 69 closed out — a net gain of 45 holders — while 325 added to existing stakes and 542 trimmed.
The largest buyer was Morgan Stanley, adding an estimated $271M. The largest seller was Kayne Anderson Rudnick Investment Management, cutting an estimated $212M.
- 1,456 institutional investors held State Street SPDR S&P MIDCAP 400 ETF Trust (MDY) as of Q1 2026, up from 1,437 in Q4 2025.
- Funds reported $15.3B of State Street SPDR S&P MIDCAP 400 ETF Trust stock for Q1 2026, down 0.1% quarter-over-quarter.
- 114 funds opened new State Street SPDR S&P MIDCAP 400 ETF Trust positions in Q1 2026 and 69 closed out, a net change of +45 holders.
- The largest State Street SPDR S&P MIDCAP 400 ETF Trust buyer in Q1 2026 was Morgan Stanley, an estimated $271M added.
- The largest State Street SPDR S&P MIDCAP 400 ETF Trust seller in Q1 2026 was Kayne Anderson Rudnick Investment Management, an estimated $212M sold.
Based on aggregated 13F filings for Q1 2026.