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Ken Griffin's Core & Main, Inc. (CNM) position

Yes: as of Q1 2026, Ken Griffin holds 67K shares of CNM worth $3.3M (0.0% of the disclosed portfolio). Last quarter the position was reduced by 77.7%. First disclosed Q3 2021.
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Current value
$3.3M
Shares held
67K
% of portfolio
0.0%
Est. average buy price (i)
$51.29
Quarter-end price
$49.40

Estimated trade prices

Average price in quarters with purchases
$32.62
Average prices in quarters with sales
  • Q1 2026: $53.84 (235K shares sold)
  • Q1 2025: $51.82 (284K shares sold)
  • Q1 2024: $45.79 (66K shares sold)
  • Q4 2023: $33.84 (1.2M shares sold)
  • Q4 2022: $21.31 (388K shares sold)
  • Q2 2022: $23.16 (717K shares sold)
  • Q4 2021: $27.42 (263K shares sold)

CNM price vs Griffin's position

Dates
$10$20$40$60$8020222023202420252026New position of 385K shares · Q3 2021. Average closing price $26.48 · Price range $20.00–$30.10385KsharespurchasedSold 263K shares (68.3%) · Q4 2021. Average closing price $27.42 · Price range $24.30–$31.50263KsharessoldAdded 662K shares (542.2%) · Q1 2022. Average closing price $23.53 · Price range $20.41–$30.78662KsharespurchasedSold 717K shares (91.5%) · Q2 2022. Average closing price $23.16 · Price range $20.71–$25.26717KsharessoldAdded 524K shares (787.2%) · Q3 2022. Average closing price $23.37 · Price range $21.19–$25.11524KsharespurchasedSold 388K shares (65.6%) · Q4 2022. Average closing price $21.31 · Price range $18.90–$23.91388KsharessoldAdded 30K shares (14.9%) · Q1 2023. Average closing price $22.02 · Price range $19.54–$24.2830KsharespurchasedAdded 333K shares (142.7%) · Q2 2023. Average closing price $26.78 · Price range $22.00–$31.34333KsharespurchasedAdded 691K shares (122.1%) · Q3 2023. Average closing price $30.86 · Price range $27.96–$33.02691KsharespurchasedSold 1.2M shares (94.7%) · Q4 2023. Average closing price $33.84 · Price range $28.40–$40.601.2MsharessoldSold 66K shares (99.8%) · Q1 2024. Average closing price $45.79 · Price range $39.10–$58.1866KsharessoldAdded 2K shares (over 1,000%) · Q2 2024. Average closing price $55.54 · Price range $47.19–$62.032KsharespurchasedAdded 213K shares (over 1,000%) · Q3 2024. Average closing price $47.90 · Price range $38.00–$54.22213KsharespurchasedAdded 71K shares (33.0%) · Q4 2024. Average closing price $47.11 · Price range $41.91–$55.7871KsharespurchasedSold 284K shares (99.0%) · Q1 2025. Average closing price $51.82 · Price range $46.27–$57.26284KsharessoldAdded 322K shares (over 1,000%) · Q2 2025. Average closing price $53.49 · Price range $44.53–$60.36322KsharespurchasedNew position of 302K shares · Q4 2025. Average closing price $51.29 · Price range $44.29–$56.80302KsharespurchasedSold 235K shares (77.7%) · Q1 2026. Average closing price $53.84 · Price range $47.40–$59.09235Ksharessold
Average closing price · filing quarter
$53.84
Price range · filing quarter
$47.40 – $59.09

Every quarterly change

Quarter Action Shares change Est. value change Δ Own Shares held Filing date
Q1 2026 Reduced −235K −$13M −77.7% 67K May 15, 2026
Q4 2025 New +302K +$16M 302K Feb 17, 2026
Q2 2025 Added +322K +$17M +10,706.7% 325K Aug 14, 2025
Q1 2025 Reduced −284K −$15M −99.0% 3K May 15, 2025
Q4 2024 Added +71K +$3.3M +33.0% 287K Feb 14, 2025
Q3 2024 Added +213K +$10M +8,226.8% 216K Nov 14, 2024
Q2 2024 Added +2K +$138K +2,365.7% 3K Aug 14, 2024
Q1 2024 Reduced −66K −$3.0M −99.8% 105 May 15, 2024
Q4 2023 Reduced −1.2M −$40M −94.7% 66K Feb 14, 2024
Q3 2023 Added +691K +$21M +122.1% 1.3M Nov 14, 2023
Q2 2023 Added +333K +$8.9M +142.7% 566K Aug 14, 2023
Q1 2023 Added +30K +$665K +14.9% 233K May 15, 2023
Q4 2022 Reduced −388K −$8.3M −65.6% 203K Feb 14, 2023
Q3 2022 Added +524K +$12M +787.2% 591K Nov 14, 2022
Q2 2022 Reduced −717K −$17M −91.5% 67K Aug 15, 2022
Q1 2022 Added +662K +$16M +542.2% 784K May 16, 2022
Q4 2021 Reduced −263K −$7.2M −68.3% 122K Feb 14, 2022
Q3 2021 New +385K +$10M 385K Nov 15, 2021
Data through Q1 2026 · filed May 15, 2026
18 grouped rows from 18 quarters

More Griffin positions

Common questions

Does Ken Griffin own CNM?

Yes. As of Q1 2026, Ken Griffin disclosed 67K shares of CNM, worth $3.3M. All figures come from SEC 13F filings for Q1 2026, the latest disclosed quarter.

When did Ken Griffin buy CNM?

Ken Griffin first disclosed a CNM position in Q3 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 CNM?

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

How many shares of CNM does Ken Griffin own?

Ken Griffin disclosed 67K shares of CNM 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 CNM?

Ken Griffin's estimated average buy price for CNM is $51.29, 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.