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Ken Griffin's MSCI Inc. (MSCI) position

Yes: as of Q1 2026, Ken Griffin holds 755K shares of MSCI worth $407M (0.3% of the disclosed portfolio). Last quarter the position was increased by 51.9%. First disclosed Q2 2021.
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Current value
$407M
Shares held
755K
% of portfolio
0.3%
Est. average buy price (i)
$561.18
Quarter-end price
$539.01

Estimated trade prices

Average price in quarters with purchases
$539.11
Average prices in quarters with sales
  • Q3 2025: $565.22 (86K shares sold)
  • Q2 2025: $553.49 (21K shares sold)
  • Q4 2024: $600.04 (20K shares sold)
  • Q1 2024: $562.16 (59K shares sold)
  • Q3 2023: $525.48 (204K shares sold)
  • Q1 2023: $529.01 (171K shares sold)
  • Q2 2022: $435.37 (142K shares sold)
  • Q4 2021: $627.19 (68K shares sold)

MSCI price vs Griffin's position

Dates
$400$600$80020222023202420252026Added 137K shares (over 1,000%) · Q3 2021. Average closing price $611.01 · Price range $534.03–$661.37137KsharespurchasedSold 68K shares (49.4%) · Q4 2021. Average closing price $627.19 · Price range $579.30–$675.1568KsharessoldAdded 79K shares (114.3%) · Q1 2022. Average closing price $518.58 · Price range $456.63–$595.5879KsharespurchasedSold 142K shares (95.0%) · Q2 2022. Average closing price $435.37 · Price range $379.08–$519.51142KsharessoldAdded 16K shares (214.6%) · Q3 2022. Average closing price $457.76 · Price range $410.11–$512.1216KsharespurchasedAdded 151K shares (644.8%) · Q4 2022. Average closing price $465.29 · Price range $388.72–$521.39151KsharespurchasedSold 171K shares (97.8%) · Q1 2023. Average closing price $529.01 · Price range $459.12–$568.44171KsharessoldAdded 240K shares (over 1,000%) · Q2 2023. Average closing price $487.80 · Price range $456.98–$557.37240KsharespurchasedSold 204K shares (83.8%) · Q3 2023. Average closing price $525.48 · Price range $469.46–$557.25204KsharessoldAdded 38K shares (96.3%) · Q4 2023. Average closing price $516.21 · Price range $471.55–$570.6038KsharespurchasedSold 59K shares (76.6%) · Q1 2024. Average closing price $562.16 · Price range $538.05–$604.3059KsharessoldAdded 43K shares (235.9%) · Q2 2024. Average closing price $496.19 · Price range $446.00–$554.8343KsharespurchasedAdded 31K shares (51.2%) · Q3 2024. Average closing price $542.20 · Price range $479.31–$584.9131KsharespurchasedSold 20K shares (21.6%) · Q4 2024. Average closing price $600.04 · Price range $569.09–$635.9920KsharessoldAdded 64K shares (89.0%) · Q1 2025. Average closing price $581.29 · Price range $541.46–$628.3464KsharespurchasedSold 21K shares (15.4%) · Q2 2025. Average closing price $553.49 · Price range $506.56–$576.7421KsharessoldSold 86K shares (74.8%) · Q3 2025. Average closing price $565.22 · Price range $526.48–$588.0086KsharessoldAdded 468K shares (over 1,000%) · Q4 2025. Average closing price $560.93 · Price range $533.34–$593.76468KsharespurchasedAdded 258K shares (51.9%) · Q1 2026. Average closing price $563.45 · Price range $511.84–$624.75258Ksharespurchased← Earlier —1 purchase
Average closing price · filing quarter
$563.45
Price range · filing quarter
$511.84 – $624.75

Every quarterly change

Quarter Action Shares change Est. value change Δ Own Shares held Filing date
Q1 2026 Added +258K +$145M +51.9% 755K May 15, 2026
Q4 2025 Added +468K +$262M +1,606.1% 497K Feb 17, 2026
Q3 2025 Reduced −86K −$49M −74.8% 29K Nov 14, 2025
Q2 2025 Reduced −21K −$12M −15.4% 115K Aug 14, 2025
Q1 2025 Added +64K +$37M +89.0% 136K May 15, 2025
Q4 2024 Reduced −20K −$12M −21.6% 72K Feb 14, 2025
Q3 2024 Added +31K +$17M +51.2% 92K Nov 14, 2024
Q2 2024 Added +43K +$21M +235.9% 61K Aug 14, 2024
Q1 2024 Reduced −59K −$33M −76.6% 18K May 15, 2024
Q4 2023 Added +38K +$20M +96.3% 78K Feb 14, 2024
Q3 2023 Reduced −204K −$107M −83.8% 40K Nov 14, 2023
Q2 2023 Added +240K +$117M +6,274.2% 244K Aug 14, 2023
Q1 2023 Reduced −171K −$90M −97.8% 4K May 15, 2023
Q4 2022 Added +151K +$70M +644.8% 175K Feb 14, 2023
Q3 2022 Added +16K +$7.3M +214.6% 23K Nov 14, 2022
Q2 2022 Reduced −142K −$62M −95.0% 7K Aug 15, 2022
Q1 2022 Added +79K +$41M +114.3% 149K May 16, 2022
Q4 2021 Reduced −68K −$43M −49.4% 70K Feb 14, 2022
Q3 2021 Added +137K +$84M +29,383.9% 137K Nov 15, 2021
Q2 2021 New +466 +$222K 466 Aug 16, 2021
Data through Q1 2026 · filed May 15, 2026
20 grouped rows from 20 quarters

More Griffin positions

Common questions

Does Ken Griffin own MSCI?

Yes. As of Q1 2026, Ken Griffin disclosed 755K shares of MSCI, worth $407M. All figures come from SEC 13F filings for Q1 2026, the latest disclosed quarter.

When did Ken Griffin buy MSCI?

Ken Griffin first disclosed a MSCI position in Q2 2021; every quarterly buy and sell since is in the table above. All figures come from SEC 13F filings for Q1 2026, the latest disclosed quarter.

Did Ken Griffin sell MSCI?

The quarter-by-quarter table above shows each sale and reduction Ken Griffin disclosed in MSCI. All figures come from SEC 13F filings for Q1 2026, the latest disclosed quarter.

How many shares of MSCI does Ken Griffin own?

Ken Griffin disclosed 755K shares of MSCI as of Q1 2026. All figures come from SEC 13F filings for Q1 2026, the latest disclosed quarter.

What price did Ken Griffin pay for MSCI?

Ken Griffin's estimated average buy price for MSCI is $561.18, from quarter-average prices weighted by the shares added each quarter. All figures come from SEC 13F filings for Q1 2026, the latest disclosed quarter.

How are the estimated trade prices calculated?

13F filings disclose quarter-end holdings, not trade dates or execution prices. These estimates use each covered quarter's average market price; the add average excludes the opening position and quarters without price data. All figures come from SEC 13F filings for Q1 2026, the latest disclosed quarter.