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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

26 quarters

Holder Concentration

Across 4 13F filers · Δ vs Mar 31, 2026
Top Holder
69.4%
Sep 2023 → Jun 2026 · range 8.5% – 69.4%
+60.9 pts
Top 5
100.0%
Sep 2023 → Jun 2026 · range 29.8% – 100.0%
+67.4 pts
Top 10
100.0%
Sep 2023 → Jun 2026 · range 42.1% – 100.0%
+54.7 pts
HHI
5,246
Sep 2023 → Jun 2026 · range 283 – 5,246
Highly concentrated+4,947

Quarterly Activity

vs Mar 31, 2026
New
2
Increased
1
Decreased
1
Sold Out
396
Unchanged
0
Holder count: -394
Institutional value: -99.7%
Shares held: -99.8%

Top Buyers

vs Mar 31, 2026
Institution Added Now Holds Open

Top Sellers

vs Mar 31, 2026
Institution Sold Now Holds Open

Top New Positions

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

Top Sold-Out Positions

vs Mar 31, 2026
Institution Previously Held Last Value (USD) Open
Showing 4 of 4
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Holder Value (USD) % of 13F Shares Open