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Joel Greenblatt's Sandisk Corporation (SNDK) position

Yes: as of Q1 2026, Joel Greenblatt holds 100K shares of SNDK worth $64M (0.2% of the disclosed portfolio). Last quarter the position was reduced by 55.3%. First disclosed Q3 2025.
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Current value
$64M
Shares held
100K
% of portfolio
0.2%
Est. average buy price (i)
$58.39
Quarter-end price
$635.34

Estimated trade prices

Average price in quarters with purchases
$58.39
Average prices in quarters with sales
  • Q1 2026: $563.78 (124K shares sold)
  • Q4 2025: $200.38 (61K shares sold)

SNDK price vs Greenblatt's position

Dates
$30$2,000$4,0002026New position of 285K shares · Q3 2025. Average closing price $58.39 · Price range $40.69–$113.50285KsharespurchasedSold 61K shares (21.2%) · Q4 2025. Average closing price $200.38 · Price range $117.91–$283.1061KsharessoldSold 124K shares (55.3%) · Q1 2026. Average closing price $563.78 · Price range $274.08–$772.09124Ksharessold
Average closing price · filing quarter
$563.78
Price range · filing quarter
$274.08 – $772.09

Every quarterly change

Quarter Action Shares change Est. value change Δ Own Shares held Filing date
Q1 2026 Reduced −124K −$70M −55.3% 100K May 15, 2026
Q4 2025 Reduced −61K −$12M −21.2% 224K Feb 17, 2026
Q3 2025 New +285K +$17M 285K Nov 14, 2025
Data through Q1 2026 · filed May 15, 2026
3 grouped rows from 3 quarters

Who else owns SNDK

FMR LLC

owns 9.0% of shares outstanding
Est. $8.5B · Shares: 13.4M

Morgan Stanley

owns 1.9% of shares outstanding
Est. $1.8B · Shares: 2.8M

Arrowstreet Capital, Limited Partnership

owns 1.9% of shares outstanding
Est. $1.8B · Shares: 2.8M

Goldman Sachs Group Inc

owns 1.4% of shares outstanding
Est. $1.3B · Shares: 2.0M

See all owners of SNDK →

More Greenblatt positions

Common questions

Does Joel Greenblatt own SNDK?

Yes. As of Q1 2026, Joel Greenblatt disclosed 100K shares of SNDK, worth $64M. All figures come from SEC 13F filings for Q1 2026, the latest disclosed quarter.

When did Joel Greenblatt buy SNDK?

Joel Greenblatt first disclosed a SNDK position in Q3 2025; 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 Joel Greenblatt sell SNDK?

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

How many shares of SNDK does Joel Greenblatt own?

Joel Greenblatt disclosed 100K shares of SNDK as of Q1 2026. All figures come from SEC 13F filings for Q1 2026, the latest disclosed quarter.

What price did Joel Greenblatt pay for SNDK?

Joel Greenblatt's estimated average buy price for SNDK is $58.39, 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.