MSCI Inc. (MSCI) Ownership
MSCI ownership summary
as of October 18, 2026- Institutions
- 95.2% of shares outstanding
- Insiders
- 3.60% of shares outstanding
- Shares outstanding
- 72.7M
- Float
- 69.0M shares available to trade
- Short interest
- 3.20% 1.9M shares short
- Days to cover
- 3.53 short interest up 65.9% vs prior month
- Institutions 95.17%
- Insiders 3.60%
- Other investors 1.24%
MSCI top institutional holders
20 largest| # | Holder | % of shares | Shares | Value | Change | Reported |
|---|---|---|---|---|---|---|
| 1 | BlackRock Inc | 7.52% | 5.5M | $3.11B | −272,217 (−4.7%) | June 30, 2026 |
| 2 | Vanguard Capital Management, LLC | 6.39% | 4.6M | $2.64B | −8,306 (−0.2%) | June 30, 2026 |
| 3 | Vanguard Portfolio Management, LLC | 5.73% | 4.2M | $2.37B | +139,209 (+3.5%) | June 30, 2026 |
| 4 | BAMCO Inc | 4.42% | 3.2M | $1.83B | +512,364 (+19.0%) | June 30, 2026 |
| 5 | State Street Corp | 4.39% | 3.2M | $1.82B | +79,986 (+2.6%) | June 30, 2026 |
| 6 | Morgan Stanley - Brokerage Accounts | 2.93% | 2.1M | $1.21B | −116,236 (−5.2%) | June 30, 2026 |
| 7 | T. Rowe Price Investment Management,Inc. | 2.82% | 2.0M | $1.17B | +542,235 (+36.0%) | June 30, 2026 |
| 8 | Geode Capital Management, LLC | 2.68% | 2.0M | $1.11B | −49,524 (−2.5%) | June 30, 2026 |
| 9 | Viking Global Investors LP | 1.60% | 1.2M | $660.5M | +1.2M (0.0%) | June 30, 2026 |
| 10 | Principal Financial Group Inc | 1.55% | 1.1M | $641.5M | −219,774 (−16.3%) | June 30, 2026 |
| 11 | StonePine Asset Management Inc. | 1.30% | 944K | $537.0M | −33,224 (−3.4%) | June 30, 2026 |
| 12 | Fiera Capital Corporation | 1.19% | 865K | $492.2M | −116,721 (−11.9%) | June 30, 2026 |
| 13 | NORGES BANK | 1.18% | 860K | $489.3M | −61,456 (−6.7%) | June 30, 2026 |
| 14 | Mitsubishi UFJ Asset Management Co.,Ltd | 1.18% | 858K | $488.4M | +1,481 (+0.2%) | June 30, 2026 |
| 15 | Amvescap Plc. | 1.11% | 808K | $459.7M | +146,275 (+22.1%) | June 30, 2026 |
| 16 | Baillie Gifford & Co Limited. | 1.10% | 796K | $453.1M | −56,111 (−6.6%) | June 30, 2026 |
| 17 | Millennium Management LLC | 1.02% | 742K | $422.2M | +129,769 (+21.2%) | June 30, 2026 |
| 18 | Arrowstreet Capital Limited Partnership | 1.00% | 724K | $412.0M | +98,612 (+15.8%) | June 30, 2026 |
| 19 | Polen Capital | 0.92% | 672K | $382.3M | −257,712 (−27.7%) | June 30, 2026 |
| 20 | Northern Trust Corp | 0.92% | 672K | $382.2M | −15,389 (−2.2%) | June 30, 2026 |
Value at the latest close. Change = shares bought or sold in the latest quarterly filing (13F). In the top 20, 9 holders added 2.8M shares and 11 cut 1.2M.
MSCI top mutual fund and ETF holders
20 largest| # | Holder | % of shares | Shares | Value | Change | Reported |
|---|---|---|---|---|---|---|
| 1 | Vanguard MStar Total Stk Mkt Idx Invest | 3.04% | 2.2M | $1.26B | −4,620 (−0.2%) | August 31, 2026 |
| 2 | Vanguard 500 Index Investor | 2.63% | 1.9M | $1.09B | −23,448 (−1.2%) | September 30, 2026 |
| 3 | Vanguard MStar Mid Cap Index Instl | 1.93% | 1.4M | $797.3M | −101,465 (−6.8%) | September 30, 2026 |
| 4 | Baron Partners Retail | 1.82% | 1.3M | $754.8M | −22,016 (−1.6%) | September 30, 2026 |
| 5 | T. Rowe Price Capital Appreciation | 1.46% | 1.1M | $602.0M | +191,760 (+22.1%) | September 30, 2026 |
| 6 | iShares Core S&P 500 ETF | 1.33% | 969K | $551.2M | −1,554 (−0.2%) | September 30, 2026 |
| 7 | Fidelity 500 Index | 1.30% | 945K | $537.8M | +3,629 (+0.4%) | August 31, 2026 |
| 8 | State Street® SPDR® S&P 500® ETF | 1.23% | 896K | $509.7M | — | September 30, 2026 |
| 9 | Vanguard MStar Growth Index Investor | 1.17% | 852K | $484.8M | +25,328 (+3.1%) | September 30, 2026 |
| 10 | Principal MidCap R5 | 0.95% | 692K | $393.9M | −9,031 (−1.3%) | September 30, 2026 |
| 11 | Baron Generational Growth Retail | 0.94% | 686K | $390.5M | −45,877 (−6.3%) | September 30, 2026 |
| 12 | T. Rowe Price Mid-Cap Growth | 0.77% | 561K | $319.3M | — | September 30, 2026 |
| 13 | Vanguard MStar Mid Cap Growth ETF | 0.71% | 514K | $292.3M | −19,963 (−3.7%) | September 30, 2026 |
| 14 | State Street®FinSelSectSPDR®ETF | 0.68% | 492K | $280.1M | −3,146 (−0.6%) | September 30, 2026 |
| 15 | Baron Focused Growth Retail | 0.65% | 470K | $267.6M | −26,700 (−5.4%) | September 30, 2026 |
| 16 | Vanguard Dividend Appreciation ETF | 0.57% | 411K | $234.1M | −775 (−0.2%) | September 30, 2026 |
| 17 | 20UGS Pinestone Global Equity A USD acc | 0.54% | 395K | $224.7M | −15,000 (−3.7%) | August 31, 2026 |
| 18 | Vanguard Institutional Index I | 0.53% | 384K | $218.7M | −4,904 (−1.3%) | September 30, 2026 |
| 19 | MS INVF Global Brands A | 0.52% | 375K | $213.3M | −27,200 (−6.8%) | June 30, 2026 |
| 20 | Invesco S&P 500® Equal Weight ETF | 0.49% | 353K | $200.9M | −760 (−0.2%) | September 30, 2026 |
Funds report holdings monthly or quarterly; dates differ by fund.
MSCI insider transactions
latest 20| Date | Name | Transaction | Price | Shares | Value |
|---|---|---|---|---|---|
| 2026-03-30 | Ro Khanna | Sell | $532.14 | — | — |
| 2026-03-23 | Ro Khanna | Buy | $551.36 | — | — |
| 2026-03-17 | Andrew C Wiechmann | Sell | $560.00 | 450 | $252,000 |
| 2026-02-17 | Henry A Fernandez | Buy | $518.95 | 800 | $415,160 |
| 2026-02-17 | Ro Khanna | Sell | $521.51 | — | — |
| 2026-02-13 | Henry A Fernandez | Buy | $524.18 | 6,000 | $3.1M |
| 2026-01-29 | Ro Khanna | Sell | $606.96 | — | — |
| 2026-01-13 | Ro Khanna | Buy | $587.41 | — | — |
| 2026-01-06 | Ro Khanna | Buy | $586.76 | — | — |
| 2025-12-11 | Andrew C Wiechmann | Sell | $550.00 | 450 | $247,500 |
| 2025-12-05 | Henry A Fernandez | Buy | $536.17 | 2,290 | $1.2M |
| 2025-12-05 | Henry A Fernandez | Buy | $536.13 | 10,210 | $5.5M |
| 2025-11-24 | Robert J Gutowski | Sell | $558.42 | 624 | $348,454 |
| 2025-10-07 | Ro Khanna | Buy | $568.74 | — | — |
| 2025-09-29 | Ro Khanna | Buy | $568.48 | — | — |
| 2025-09-05 | Ro Khanna | Sell | $555.43 | — | — |
| 2025-08-26 | Ro Khanna | Sell | $571.73 | — | — |
| 2025-07-25 | Henry A Fernandez | Buy | $548.69 | 84 | $46,090 |
| 2025-07-24 | Henry A Fernandez | Buy | $544.70 | 9,916 | $5.4M |
| 2025-07-24 | Henry A Fernandez | Buy | $535.11 | 2,400 | $1.3M |
Reported trades by company officers, directors and other filers (including disclosures by members of Congress where EODHD lists them). "—" where the filing gives no share count.
MSCI shares outstanding
Year-end shares outstanding, adjusted for splits.
Who owns MSCI
Institutional investors own 95.2% of MSCI's shares and insiders 3.60%. The largest holder is BlackRock Inc with 7.52% of the shares (5.5M), as of June 30, 2026. Among the top 20 institutions, 9 added shares and 11 reduced their stake in the latest filings. Short interest is 3.20% of the float, or 3.53 days of average trading volume. The share count fell 31.8% since 2014.
Related: MSCI analyst forecast, MSCI key metrics, MSCI dividend history. See the MSCI stock overview for the latest quote and news.
MSCI ownership FAQ
Who owns the most MSCI stock?
The largest shareholders of MSCI are BlackRock Inc (7.52%), Vanguard Capital Management, LLC (6.39%), Vanguard Portfolio Management, LLC (5.73%), BAMCO Inc (4.42%), State Street Corp (4.39%).
What percentage of MSCI is owned by institutions?
Institutions hold 95.2% of MSCI's shares outstanding; insiders hold 3.60%.
Which funds own MSCI?
The largest fund holders of MSCI are Vanguard MStar Total Stk Mkt Idx Invest (3.04%), Vanguard 500 Index Investor (2.63%), Vanguard MStar Mid Cap Index Instl (1.93%), Baron Partners Retail (1.82%), T. Rowe Price Capital Appreciation (1.46%).
What is MSCI's short interest?
1.9M shares of MSCI were sold short, 3.20% of the float; at the average daily volume it would take 3.53 days to cover.
Are insiders buying or selling MSCI?
Of the latest 20 reported insider transactions in MSCI (since July 24, 2025), 12 were purchases and 8 were sales.
How many shares of MSCI are outstanding?
MSCI has 72.7M shares outstanding, of which 69.0M are in the public float.