State Street SPDR S&P 400 Mid Cap Growth ETF
MDYG
385 hedge funds and large institutions have $1.71B invested in State Street SPDR S&P 400 Mid Cap Growth ETF in 2025 Q3 according to their latest regulatory filings, with 41 funds opening new positions, 118 increasing their positions, 152 reducing their positions, and 36 closing their positions.
14% more first-time investments, than exits
New positions opened: 41 | Existing positions closed: 36
6% more capital invested
Capital invested by funds: $1.62B → $1.71B (+$95.4M)
1.15% less ownership
Funds ownership: 73.08% → 71.94% (-1.1%)
2% less funds holding
Funds holding: 392 → 385 (-7)
10% less funds holding in top 10
Funds holding in top 10: 10 → 9 (-1)
22% less repeat investments, than reductions
Existing positions increased: 118 | Existing positions reduced: 152
Top Buyers
| Rank | Fund | Capital Flow |
|---|---|---|
| 1 |
Morgan Stanley
New York
|
+$18.1M |
| 2 |
Stifel Financial
St. Louis,
Missouri
|
+$12.6M |
| 3 |
AWM
AE Wealth Management
Topeka,
Kansas
|
+$10.8M |
| 4 |
BEI
Benjamin Edwards Inc
Clayton,
Missouri
|
+$10.3M |
| 5 |
Cetera Investment Advisers
Schaumburg,
Illinois
|
+$5.48M |
Top Sellers
| Rank | Fund | Capital Flow |
|---|---|---|
| 1 |
KW
KWB Wealth
Redlands,
California
|
-$13.3M |
| 2 |
ICMM
Integrated Capital Management (Michigan)
Bloomfield,
Michigan
|
-$9.09M |
| 3 |
FIA
Foundations Investment Advisors
Phoenix,
Arizona
|
-$6.91M |
| 4 |
PFS
Prospera Financial Services
Dallas,
Texas
|
-$5.48M |
| 5 |
Bank of America
Charlotte,
North Carolina
|
-$5.41M |
MDYG Hedge Fund Activity: Q3 2025 in Review
385 of the 7,620 institutional investors tracked by Wall St. Rank reported a position in State Street SPDR S&P 400 Mid Cap Growth ETF (MDYG) for Q3 2025, worth a combined $1.71B — up 5.9% from $1.62B a quarter earlier.
Buyers outnumbered sellers: 41 funds opened new MDYG positions and 36 closed out — a net gain of 5 holders — while 118 added to existing stakes and 152 trimmed.
The largest buyer was Morgan Stanley, adding an estimated $18.1M. The largest seller was KWB Wealth, cutting an estimated $13.3M.
- 385 institutional investors held State Street SPDR S&P 400 Mid Cap Growth ETF (MDYG) as of Q3 2025, down from 392 in Q2 2025.
- Funds reported $1.71B of State Street SPDR S&P 400 Mid Cap Growth ETF stock for Q3 2025, up 5.9% quarter-over-quarter.
- 41 funds opened new State Street SPDR S&P 400 Mid Cap Growth ETF positions in Q3 2025 and 36 closed out, a net change of +5 holders.
- The largest State Street SPDR S&P 400 Mid Cap Growth ETF buyer in Q3 2025 was Morgan Stanley, an estimated $18.1M added.
- The largest State Street SPDR S&P 400 Mid Cap Growth ETF seller in Q3 2025 was KWB Wealth, an estimated $13.3M sold.
Based on aggregated 13F filings for Q3 2025.