Stock Ownership/MDY

STATE STR SPDR S&P MIDCAP 40 (MDY): Ownership & Insider Activity

Hedge funds and institutional managers reporting a position in MDY. Based on the most recent 13F filing from each holder, sourced from SEC EDGAR.

Reported Holders
15
13F filers
Aggregate Value
$233.1M
Across holders
Last Price
$694.45
2026-08-24
Sector
—
GICS
Quarterly fund activity10 increased4 reduced2 exited
Full exits: RENAISSANCE TECHNOLOGIES LLC, Brevan Howard Capital Management LP
Institutional Holders of MDY
↗
15 holders
Manager⇅Type⇅Shares⇅Market Value▼% of Total⇅% of Portfolio⇅Action⇅QoQ Change⇅Quarter⇅
BALYASNY ASSET MANAGEMENT LLC
CIK 0001218710
Hedge Fund70K$49.2M21.1%0.1%Reduced$-38.3MQ2 2026
Rockefeller Capital Management L.P.
CIK 0001739439
Hedge Fund58K$40.6M17.4%0.1%Added$-68.2MQ2 2026
AQR CAPITAL MANAGEMENT LLC
CIK 0001167557
Hedge Fund51K$35.8M15.4%0.0%Added+$35.3MQ2 2026
TWO SIGMA INVESTMENTS, LP
CIK 0001179392
Hedge Fund42K$29.3M12.6%0.0%Added—Q2 2026
MARSHALL WACE, LLP
CIK 0001318757
Hedge Fund40K$27.8M11.9%0.0%Reduced+$3.4MQ2 2026
CITADEL ADVISORS LLC
CIK 0001423053
Hedge Fund35K$24.4M10.5%0.0%Added$-91.3MQ2 2026
Point72 Asset Management, L.P.
CIK 0001603466
Hedge Fund14K$9.6M4.1%0.0%Added$-506KQ2 2026
Gotham Asset Management, LLC
CIK 0001510387
Hedge Fund9K$6.2M2.7%0.0%Added+$159KQ2 2026
SHAW D E & CO INC
CIK 0001009207
Hedge Fund4K$3.1M1.3%0.0%Added—Q2 2026
Squarepoint Ops LLC
CIK 0001642575
Hedge Fund4K$2.5M1.1%0.0%Added—Q2 2026
BALYASNY ASSET MANAGEMENT LLCReduced
Hedge Fund
$49.2M· 21.1% of total· 0.1% port· 70K sh· $-38.3M QoQ· Q2 2026
Rockefeller Capital Management L.P.Added
Hedge Fund
$40.6M· 17.4% of total· 0.1% port· 58K sh· $-68.2M QoQ· Q2 2026
AQR CAPITAL MANAGEMENT LLCAdded
Hedge Fund
$35.8M· 15.4% of total· 0.0% port· 51K sh· +$35.3M QoQ· Q2 2026
TWO SIGMA INVESTMENTS, LPAdded
Hedge Fund
$29.3M· 12.6% of total· 0.0% port· 42K sh· — QoQ· Q2 2026
MARSHALL WACE, LLPReduced
Hedge Fund
$27.8M· 11.9% of total· 0.0% port· 40K sh· +$3.4M QoQ· Q2 2026
CITADEL ADVISORS LLCAdded
Hedge Fund
$24.4M· 10.5% of total· 0.0% port· 35K sh· $-91.3M QoQ· Q2 2026
Point72 Asset Management, L.P.Added
Hedge Fund
$9.6M· 4.1% of total· 0.0% port· 14K sh· $-506K QoQ· Q2 2026
Gotham Asset Management, LLCAdded
Hedge Fund
$6.2M· 2.7% of total· 0.0% port· 9K sh· +$159K QoQ· Q2 2026
SHAW D E & CO INCAdded
Hedge Fund
$3.1M· 1.3% of total· 0.0% port· 4K sh· — QoQ· Q2 2026
Squarepoint Ops LLCAdded
Hedge Fund
$2.5M· 1.1% of total· 0.0% port· 4K sh· — QoQ· Q2 2026
MILLENNIUM MANAGEMENT LLCReduced
Hedge Fund
$1.6M· 0.7% of total· 0.0% port· 2K sh· $-29.5M QoQ· Q2 2026
Bridgewater Advisors Inc.Unchanged
Hedge Fund
$996K· 0.4% of total· 0.1% port· 1K sh· +$0 QoQ· Q2 2026
TUDOR INVESTMENT CORP ET ALAdded
Hedge Fund
$976K· 0.4% of total· 0.0% port· 1K sh· — QoQ· Q2 2026
GAMCO INVESTORS, INC. ET ALReduced
Institutional Manager
$577K· 0.2% of total· 0.0% port· 821 sh· $-3.1M QoQ· Q2 2026
Fisher Asset Management, LLCAdded
Institutional Manager
$511K· 0.2% of total· 0.0% port· 726 sh· — QoQ· Q2 2026
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