SPDR S&P MidCap 400 ETF Trust
MDY
MDY
1,332 hedge funds and large institutions have $14.1B invested in SPDR S&P MidCap 400 ETF Trust in 2025 Q2 according to their latest regulatory filings, with 84 funds opening new positions, 327 increasing their positions, 513 reducing their positions, and 66 closing their positions.
New
Increased
Maintained
Reduced
Closed
more call options, than puts
Call options by funds: $ | Put options by funds: $
more first-time investments, than exits
New positions opened: | Existing positions closed:
more capital invested
Capital invested by funds: $ → $
more ownership
Funds ownership: →
1% less funds holding
Funds holding: 1,343 → 1,332 (-11)
14% less funds holding in top 10
Funds holding in top 10: 66 → 57 (-9)
36% less repeat investments, than reductions
Existing positions increased: 327 | Existing positions reduced: 513
Holders
1,332
Holding in Top 10
57
Calls
$535M
Puts
$407M
Top Buyers
| 1 | +$153M | |
| 2 | +$152M | |
| 3 | +$134M | |
| 4 |
HF
HRT Financial
New York
|
+$60M |
| 5 |
AUB
Atlantic Union Bankshares
Glen Allen,
Virginia
|
+$51.5M |
Top Sellers
| 1 | -$125M | |
| 2 | -$58.4M | |
| 3 | -$54.1M | |
| 4 |
Millennium Management
New York
|
-$53M |
| 5 |
Qube Research & Technologies (QRT)
London,
United Kingdom
|
-$48.1M |
