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MDYG · State Street(R) SPDR(R) S & P 400(TM) Mid Cap Growth ETF ETF

Alerts for MDYG
$108.32 +0.15 (+0.14%) At close · Sep 4

Institutional ownership from SEC Form 13F filings. Investment managers with more than $100 million in U.S. equities must disclose their positions every quarter, within 45 days of quarter-end, so the holdings shown can lag the market by up to a quarter.

Holders: 4
Total Value: $5,105,921
Total Shares: 45,552

Institutional Ownership Trend

23 quarters

Holder Concentration

Across 4 13F filers · Δ vs Mar 31, 2026
Top Holder
69.4%
Dec 2022 → Jun 2026 · range 8.5% – 100.0%
−30.6 pts
Top 5
100.0%
Dec 2022 → Jun 2026 · range 30.4% – 100.0%
0.0 pts
Top 10
100.0%
Dec 2022 → Jun 2026 · range 45.2% – 100.0%
0.0 pts
HHI
5,246
Dec 2022 → Jun 2026 · range 303 – 10,000
Highly concentrated−4,754

Quarterly Activity

vs Mar 31, 2026
New
3
Increased
1
Decreased
0
Sold Out
0
Unchanged
0
Holder count: +3
Institutional value: +2776.2%
Shares held: +2362.3%

Top Buyers

vs Mar 31, 2026
Institution Added Now Holds Open

Top Sellers

vs Mar 31, 2026
No qualifying movers this quarter.

Top New Positions

vs Mar 31, 2026
Institution Acquired Value (USD) Open

Top Sold-Out Positions

vs Mar 31, 2026
No fully closed positions this quarter.
Showing 4 of 4
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Holder Value (USD) % of 13F Shares Open