State Street SPDR S&P MIDCAP 400 ETF Trust
MDY
1,357 hedge funds and large institutions have $13.4B invested in State Street SPDR S&P MIDCAP 400 ETF Trust in 2025 Q1 according to their latest regulatory filings, with 77 funds opening new positions, 370 increasing their positions, 488 reducing their positions, and 97 closing their positions.
52% more call options, than puts
Call options by funds: $468M | Put options by funds: $307M
3% more funds holding in top 10
Funds holding in top 10: 64 → 66 (+2)
0.75% less ownership
Funds ownership: 61.87% → 61.12% (-0.75%)
3% less funds holding
Funds holding: 1,402 → 1,357 (-45)
11% less capital invested
Capital invested by funds: $15.1B → $13.4B (-$1.7B)
21% less first-time investments, than exits
New positions opened: 77 | Existing positions closed: 97
24% less repeat investments, than reductions
Existing positions increased: 370 | Existing positions reduced: 488
Top Buyers
| Rank | Fund | Capital Flow |
|---|---|---|
| 1 |
Bank of America
Charlotte,
North Carolina
|
+$97M |
| 2 |
Qube Research & Technologies (QRT)
London,
United Kingdom
|
+$63.3M |
| 3 |
Millennium Management
New York
|
+$44.8M |
| 4 |
Creative Planning
Overland Park,
Kansas
|
+$42.6M |
| 5 |
SILC
Starr Indemnity & Liability Company
New York
|
+$38.3M |
Top Sellers
| Rank | Fund | Capital Flow |
|---|---|---|
| 1 |
Goldman Sachs
New York
|
-$171M |
| 2 |
BGDI
BW Gestao de Investimentos
Sao Paulo,
Brazil
|
-$126M |
| 3 |
Citadel Advisors
Miami,
Florida
|
-$97.7M |
| 4 |
MCM
Moore Capital Management
New York
|
-$91.4M |
| 5 |
Kayne Anderson Rudnick Investment Management
Los Angeles,
California
|
-$91M |
MDY Hedge Fund Activity: Q1 2025 in Review
1,357 of the 7,458 institutional investors tracked by Wall St. Rank reported a position in State Street SPDR S&P MIDCAP 400 ETF Trust (MDY) for Q1 2025, worth a combined $13.4B — down 11% from $15.1B a quarter earlier.
Sellers outnumbered buyers: 97 funds closed out of MDY and 77 opened new positions — a net loss of 20 holders — while 488 trimmed existing stakes and 370 added.
The largest buyer was Bank of America, adding an estimated $97M. The largest seller was Goldman Sachs, cutting an estimated $171M.
- 1,357 institutional investors held State Street SPDR S&P MIDCAP 400 ETF Trust (MDY) as of Q1 2025, down from 1,402 in Q4 2024.
- Funds reported $13.4B of State Street SPDR S&P MIDCAP 400 ETF Trust stock for Q1 2025, down 11% quarter-over-quarter.
- 77 funds opened new State Street SPDR S&P MIDCAP 400 ETF Trust positions in Q1 2025 and 97 closed out, a net change of -20 holders.
- The largest State Street SPDR S&P MIDCAP 400 ETF Trust buyer in Q1 2025 was Bank of America, an estimated $97M added.
- The largest State Street SPDR S&P MIDCAP 400 ETF Trust seller in Q1 2025 was Goldman Sachs, an estimated $171M sold.
Based on aggregated 13F filings for Q1 2025.