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MSCI Inc.

MSCI
Exchange
NYSE
Industry
Services-Business Services, NEC
SEC CIK
0001408198

In the last 90 days, MSCI Inc. insiders filed 1 open-market purchase and 2 sales; 1,094 institutions reported holding it in 13F filings for Q2 2026, worth $37.7B in total; 3 superinvestors hold it, including Viking Global Investors and Markel Group.

Holders of 5% or more of MSCI

Holders whose latest Schedule 13D or 13G filing reports 5% or more of MSCI Inc., largest stake first. The change is against the holder's previous filing.

Holders of 5% or more of MSCI
HolderLatest formStakeChangeFirst filedLatest filingFiling
BlackRock, Inc.13G/A7.60%5.94M shares–Feb 5, 20251 filingFeb 5, 2025SEC
Vanguard Capital Management LLC13G7.35%5.38M sharesNewApr 30, 20261 filingApr 30, 2026SEC
Vanguard Portfolio Management LLC13G5.52%4.04M sharesNewApr 29, 20261 filingApr 29, 2026SEC

Stakes are as of each holder's latest filing. Holders whose last filing was in the old format (before December 18, 2024) have no stake on record and are not listed, and after an acquisition or delisting holders usually stop filing.

13D and 13G filings

13 Schedule 13D and 13G filings on MSCI Inc., newest first, including old-format filings without a stake.

Schedule 13D and 13G filings on MSCI
Filed (ET)FilerFormStakeChangeEvent dateFiling
Apr 30, 202611:33 AM ETVanguard Capital Management LLC13G7.35%5.38M sharesNewMar 31, 2026SEC
Apr 29, 20262:11 PM ETVanguard Portfolio Management LLC13G5.52%4.04M sharesNewMar 31, 2026SEC
Mar 27, 202610:50 AM ETVanguard Group Inc13G/A0.00%0 shares−12.08 ppfrom 12.08%Below 5%Mar 13, 2026SEC
Apr 30, 20252:00 PM ETVanguard Group Inc13G/A12.08%9.38M shares–Mar 31, 2025SEC
Feb 5, 20251:23 PM ETBlackRock, Inc.13G/A7.60%5.94M shares–Dec 31, 2024SEC
Feb 13, 2024Vanguard Group Inc13G/AOld format–––SEC
Jan 25, 20241:48 PM ETBlackRock Inc.13G/AOld format–––SEC
Feb 9, 2023Vanguard Group Inc13G/AOld format–––SEC
Feb 3, 20234:27 PM ETBlackRock Inc.13G/AOld format–––SEC
Feb 10, 2022Vanguard Group Inc13G/AOld format–––SEC
Feb 2, 20227:18 PM ETBlackRock Inc.13G/AOld format–––SEC
Feb 10, 2021Vanguard Group Inc13G/AOld format–––SEC
Jan 29, 20215:23 PM ETBlackRock Inc.13G/AOld format–––SEC

Form 144: proposed insider sales

16 notices from officers, directors and other affiliates planning to sell MSCI Inc. shares, newest first.

Form 144 notices for MSCI
Filed (ET)SellerShares to sellMarket valuePlanned saleBrokerFiling
Oct 22, 20264:04 PM ETRobert GutowskiOfficer2.38K$1.48MOct 22, 2026Morgan Stanley Smith Barney LLC Executive Financial ServicesSEC
Oct 13, 20268:40 AM ETAndrew Craig WiechmannOfficer450$256.5KOct 12, 202610b5-1Morgan Stanley Smith Barney LLC Executive Financial ServicesSEC
Jun 10, 20264:02 PM ETAndrew Craig WiechmannOfficer450$272.1KJun 10, 202610b5-1Morgan Stanley Smith Barney LLC Executive Financial ServicesSEC
Apr 24, 20264:02 PM ETAlvise J MunariOfficer10.0K$5.92MApr 24, 2026Morgan Stanley Smith Barney LLC Executive Financial ServicesSEC
Mar 17, 20264:05 PM ETAndrew Craig WiechmannOfficer450$252.0KMar 17, 202610b5-1Morgan Stanley Smith Barney LLC Executive Financial ServicesSEC
Dec 11, 20254:14 PM ETAndrew Craig WiechmannOfficer450$247.5KDec 11, 202510b5-1Morgan Stanley Smith Barney LLC Executive Financial ServicesSEC
Nov 24, 20255:33 PM ETRobert GutowskiOfficer624$348.5KNov 24, 2025Morgan Stanley Smith Barney LLC Executive Financial ServicesSEC
Jun 5, 20254:18 PM ETCarroll Douglas Baer PettitOfficer · Director5.00K$2.82MJun 5, 202510b5-1Morgan Stanley Smith Barney LLC Executive Financial ServicesSEC
May 5, 20254:02 PM ETCarroll Douglas Baer PettitOfficer · Director5.00K$2.76MMay 5, 202510b5-1Morgan Stanley Smith Barney LLC Executive Financial ServicesSEC
Apr 4, 20254:04 PM ETCarroll Douglas Baer PettitOfficer · Director5.00K$2.62MApr 4, 202510b5-1Morgan Stanley Smith Barney LLC Executive Financial ServicesSEC
Mar 5, 20254:16 PM ETCarroll Douglas Baer PettitOfficer · Director5.00K$2.84MMar 5, 202510b5-1Morgan Stanley Smith Barney LLC Executive Financial ServicesSEC
Aug 28, 20245:14 PM ETGutowski Robert J.Officer1.82K$1.04MAug 28, 2024MORGAN STANLEY SMITH BARNEY LLC EXECUTIVE SERVICESSEC
Apr 30, 20242:51 PM ETCrum Scott AOfficer9.00K$4.25MApr 30, 2024Morgan Stanley Smith Barney LLC Executive ServicesSEC
Aug 18, 20233:46 PM ETGutowski Robert J.Officer1.48K$768.6KAug 18, 2023ETRADE FINANCIAL CORPORATIONSEC
Jul 27, 20236:11 PM ETCrum Scott AOfficer1.80K$1.00MJul 27, 2023ETRADE FINANCIAL CORPORATIONSEC
May 30, 20234:41 PM ETCrum Scott AOfficer2.00K$959.2KMay 30, 2023ETRADE FINANCIAL CORPORATIONSEC