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$MDY
$667.89 +$2.92 (0.44%) Close

Who owns MDY?

Shares outstanding is not known for SPDR S&P MIDCAP 400 ETF TRUST, so ownership cannot be shown as a share of the company.

Institutional ownership
—
Institutional holders
1,936
+174 vs last qtr
Net shares bought
−87.5M
by institutions in Q2 2026
New / sold out
312 / 138
positions opened vs closed

How is ownership changing?

Institutions, last 8 quarters

No 13F manager has reported this stock in the last 8 quarters.

Biggest buyers in Q2 2026
  • Alkeon Capital Management LLC NEW +36.0M
  • Voya Investment Management LLC +26.3M

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Biggest sellers in Q2 2026
  • Artisan Partners Limited Partnership SOLD OUT −91.3M
  • FMR LLC −67.0M

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Who is planning to sell?

No insider has filed a notice of proposed sale (Form 144) for SPDR S&P MIDCAP 400 ETF TRUST in the last 12 months.

Is your stake being diluted?

There are not yet two fiscal years of reported share counts for SPDR S&P MIDCAP 400 ETF TRUST.

How patient are the owners?

Institutional shares by how long they've been held
5+ years43% 3–5 years3% 1–3 years9% Under 1 year45%
Quarterly turnover
34.0%
of institutional shares changed hands
Top 10 managers, median time held
5 years

Super Investors

Investment managers reporting MDY on Form 13F
F
FMR LLC
Shares
155.4M
% of company
—
Change vs last qtr
−67.0M (−30.1%)
Held since
≤2021
N
Nvidia Corp
Shares
166.4M
% of company
—
Change vs last qtr
Unchanged
Held since
Q4 '25

28 more super investors behind a free account

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Institutional Funds

Mutual funds and ETFs reporting MDY on Form N-PORT
AI
Artisan Partners Funds Inc.
Position value
$578M
% of company
—
% of the fund
1.42%
As of
March 31, 2026
AS
ACAP Strategic Fund
ACAP Strategic Fund
Position value
$235M
% of company
—
% of the fund
1.98%
As of
June 30, 2026

23 more funds behind a free account

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