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MSCI · MSCI Inc.

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$563.49 -5.26 (-0.92%) At close · Aug 21
Market Cap
$40.97B
Shares
72.70M

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: 1,076
Total Value: $37,731,672,316
Total Shares: 67,373,235

Institutional Ownership Trend

26 quarters

Holder Concentration

Across 1,076 13F filers · Δ vs Mar 31, 2026
Top Holder
8.1%
Sep 2023 → Jun 2026 · range 8.1% – 14.0%
−0.7 pts
Top 5
30.7%
Sep 2023 → Jun 2026 · range 30.7% – 35.3%
−0.3 pts
Top 10
43.2%
Sep 2023 → Jun 2026 · range 42.3% – 46.8%
−0.8 pts
HHI
262
Sep 2023 → Jun 2026 · range 262 – 381
Broadly held−12

Quarterly Activity

vs Mar 31, 2026
New
122
Increased
387
Decreased
410
Sold Out
115
Unchanged
157
Holder count: +7
Institutional value: +7.2%
Shares held: +3.1%

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 100 of 1,094
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Holder Value (USD) % of 13F Shares Open
Key facts CIK 1408198 CUSIP 55354G100 13F (30d) 949 filings 894 filers Visit website Investor relations