Companies: 10,795·Total market cap: $144.5T
MSCI Inc.

MSCI Inc.

MSCINYSEFinancial Services● Active
$607.75
$-7.71(-1.25%)
Market Cap$44.2B
P/E Ratio
52W High$644.68
52W Low$501.08

MSCI Inc. (MSCI) Stock Ownership

Institutional vs insider vs public ownership from 13F and float data — top holders, activity, and insider trades below.

SEC 13F · FMP · MSCI · as of Sep 30, 2025

Ownership Breakdown

Institutions 93.47%
Insiders 5.31%
Public 1.23%

1,063

Institutional Holders

▼ 50 vs Q2

$38.58B

Total Inst. Value

▼ $2.47B vs Q2

72.80M

Shares Outstanding

freeFloat 94.69%

68.04M

13F Shares Held

▼ 3.16M vs Q2

Institutional ownership = 13F shares ÷ total outstanding. Insider % = 100 − free float. Public % = free float − institution %. Data: FMP /symbol-positions-summary + /shares-float + SEC EDGAR.

Top Institutional Holders

MSCI largest shareholders · institutional ownership

Q3 2025 · SEC 13F

Showing top 10 holders

HolderShares% OwnedWeightValueReportedChange

VANGUARD GROUP INC

services-business services, nec

9.67M12.50%

12.50%

$5.49TNov 7, 2025 165.9K

BLACKROCK, INC.

services-business services, nec

5.87M7.59%

7.59%

$3.33TNov 12, 2025 5.8K

STATE STREET CORP

services-business services, nec

3.32M4.29%

4.29%

$1.88TNov 14, 2025 39.5K

MORGAN STANLEY

services-business services, nec

2.42M3.12%

3.12%

$1.37TMay 27, 2026 1.32M

BAMCO INC /NY/

services-business services, nec

2.39M3.09%

3.09%

$1.36TNov 14, 2025 223.8K

GEODE CAPITAL MANAGEMENT, LLC

services-business services, nec

2.02M2.62%

2.62%

$1.15TNov 12, 2025 31.4K

EDGEWOOD MANAGEMENT LLC

services-business services, nec

1.91M2.47%

2.47%

$1.09TNov 12, 2025 180.1K

PRINCIPAL FINANCIAL GROUP INC

services-business services, nec

1.78M2.30%

2.30%

$1.01TNov 4, 2025 109.3K

POLEN CAPITAL MANAGEMENT LLC

services-business services, nec

1.58M2.05%

2.05%

$898.74BNov 12, 2025 157.4K

T. ROWE PRICE INVESTMENT MANAGEMENT, INC.

services-business services, nec

1.28M1.65%

1.65%

$725.09BNov 14, 2025 319.4K

Data from SEC Form 13F filings. Ownership bar normalised to largest holder. Change flags: isNew / isSoldOut / changeInSharesNumber (FMP extract-analytics/holder).

Institutional Activity

Q3 2025 vs prior quarter

Q3 2025

Net institutional sentimentBearish — more selling than buying

24

Increased

+4.85M shares

0

New Positions

first time holders

26

Decreased

−2.70M shares

0

Sold Out

fully exited

Net shares change (top 50)

+2.15M

+4.85M / −2.70M

Net new holders

-2

0 new / 0 exited

Based on top 50 institutional holders by position size. Fields: isNew, isSoldOut, changeInSharesNumber (FMP extract-analytics/holder, limit=50).

Insider Buying vs Selling

MSCI insider trading · insider activity

Source: SEC Form 4

Buy 100%Active transactions only0% Sell

Insiders have been net buyers of shares recently. Selling may be driven by pre-scheduled Rule 10b5-1 plans rather than negative sentiment.

24

Buy transactions

4

Sell transactions

6.00

Buy/Sell ratio

$0M

Total disposed

Recent Insider Transactions

Showing 10 most recent · Common Stock only

Name · RoleDateTypeSharesPriceValueAfter Trans.Filing

Taneja Rajat

director

Jun 2, 2026Award423.6KForm 4 ↗

Yang June

director

May 29, 2026Award2904Form 4 ↗

Matlock Robin

director

May 29, 2026Award62.0KForm 4 ↗

RIEFLER LINDA H

director

May 29, 2026Award721.0KForm 4 ↗

Fernandez Henry A

Chairman and CEO

May 15, 2026Purchase80$565.17$45.2K1.73MForm 4 ↗

Fernandez Henry A

Chairman and CEO

May 15, 2026Purchase400$564.42$225.8K1.73MForm 4 ↗

Fernandez Henry A

Chairman and CEO

May 15, 2026Purchase800$563.39$450.7K1.73MForm 4 ↗

Fernandez Henry A

Chairman and CEO

May 15, 2026Purchase1,122$562.47$631.1K1.73MForm 4 ↗

Fernandez Henry A

Chairman and CEO

May 15, 2026Purchase1,238$561.56$695.2K1.73MForm 4 ↗

Fernandez Henry A

Chairman and CEO

May 15, 2026Purchase240$560.28$134.5K1.73MForm 4 ↗

Source: /insider-trading/search (FMP stable). Buy/Sell direction: acquisitionOrDisposition A=Buy, D=Sell. RSU vesting (M-Exempt) excluded from sentiment bar. All data from SEC EDGAR public filings.

About institutional & insider ownership

MSCI Inc. (MSCI) is primarily owned by institutional investors, who hold approximately 93.5% of total shares outstanding. Company insiders own approximately 5.31%, while retail and public investors account for the remaining 1.23%.

The largest institutional shareholder of MSCI Inc. is VANGUARD GROUP INC, holding approximately 9.67 million shares — equal to 12.50% of outstanding shares — as of September 30, 2025.

A total of 1,063 institutional investors currently hold MSCI stock, with a combined institutional value of approximately $38.58 billion as of the most recent 13F filing period.

Frequently asked questions

MSCI ownership

MSCI Inc. (MSCI) is primarily owned by institutional investors, who hold approximately 93.5% of shares. The largest shareholder is VANGUARD GROUP INC with a 12.50% stake. Company insiders hold 5.31%. Data sourced from SEC Form 13F as of September 30, 2025.

who owns MSCI stockMSCI ownership structureSEC Form 13F institutional holdingsMSCI float vs institutions
Source: FMP · SEC Form 13F · SEC Form 4As of September 30, 2025