State Street SPDR S&P MIDCAP 400 ETF Trust
1,533 hedge funds and large institutions have $17.3B invested in State Street SPDR S&P MIDCAP 400 ETF Trust in 2026 Q2 according to their latest regulatory filings, with 154 funds opening new positions, 344 increasing their positions, 538 reducing their positions, and 45 closing their positions.
242% more first-time investments, than exits
New positions opened: 154 | Existing positions closed: 45
13% more capital invested
Capital invested by funds: $15.3B → $17.3B (+$2.02B)
6% more funds holding
Funds holding: 1,452 → 1,533 (+81)
0% more funds holding in top 10
Funds holding in top 10: 58 → 58 (0)
0.82% less ownership
Funds ownership: 63.71% → 62.89% (-0.82%)
36% less repeat investments, than reductions
Existing positions increased: 344 | Existing positions reduced: 538
48% less call options, than puts
Call options by funds: $462M | Put options by funds: $887M
Top Buyers
| Rank | Fund | Capital Flow |
|---|---|---|
| 1 |
MIH
Meitav Investment House
Bene-Beraq,
Israel
|
+$276M |
| 2 |
Citigroup
New York
|
+$85.3M |
| 3 |
CIBC World Market
Toronto,
Ontario, Canada
|
+$51.7M |
| 4 |
Two Sigma Investments
New York
|
+$27.9M |
| 5 |
Northwestern Mutual Wealth Management
Milwaukee,
Wisconsin
|
+$25.8M |
Top Sellers
| Rank | Fund | Capital Flow |
|---|---|---|
| 1 |
Morgan Stanley
New York
|
-$206M |
| 2 |
BNP Paribas Financial Markets
Paris,
France
|
-$116M |
| 3 |
Bank of America
Charlotte,
North Carolina
|
-$68M |
| 4 |
Susquehanna International Group
Bala Cynwyd,
Pennsylvania
|
-$51.6M |
| 5 |
Balyasny Asset Management
Chicago,
Illinois
|
-$36.5M |
MDY Hedge Fund Activity: Q2 2026 in Review
1,533 of the 8,305 institutional investors tracked by Wall St. Rank reported a position in State Street SPDR S&P MIDCAP 400 ETF Trust (MDY) for Q2 2026, worth a combined $17.3B — up 13% from $15.3B a quarter earlier.
Buyers outnumbered sellers: 154 funds opened new MDY positions and 45 closed out — a net gain of 109 holders — while 344 added to existing stakes and 538 trimmed.
The largest buyer was Meitav Investment House, opening a new position worth an estimated $276M. The largest seller was Morgan Stanley, cutting an estimated $206M.
- 1,533 institutional investors held State Street SPDR S&P MIDCAP 400 ETF Trust (MDY) as of Q2 2026, up from 1,452 in Q1 2026.
- Funds reported $17.3B of State Street SPDR S&P MIDCAP 400 ETF Trust stock for Q2 2026, up 13% quarter-over-quarter.
- 154 funds opened new State Street SPDR S&P MIDCAP 400 ETF Trust positions in Q2 2026 and 45 closed out, a net change of +109 holders.
- The largest State Street SPDR S&P MIDCAP 400 ETF Trust buyer in Q2 2026 was Meitav Investment House, an estimated $276M added.
- The largest State Street SPDR S&P MIDCAP 400 ETF Trust seller in Q2 2026 was Morgan Stanley, an estimated $206M sold.
Based on aggregated 13F filings for Q2 2026.