SK hynix Inc.

What SK hynix Inc. holds in an AI or semiconductor company tracked on Silicon Floor, from their SEC filings, broken down: the shares held and how, then any restricted shares, options or other rights declared.

Penguin Solutions (PENG)

The Schedule 13D of Oct 29, 2026 counts 6.1M shares (10.1%) as SK hynix Inc.'s.

• Declared stake: 6.1M (10.1%), $294.9M. Counted as theirs in the Schedule 13D of Oct 29, 2026, which does not break them down.

Declarations

• Penguin Solutions (PENG): 13D filed Nov 3, 2026: 6.1M shares counted as of Oct 29, 2026, 9.1% as declared

Other holders of this size

• YORKTOWN ENERGY PARTNERS X, L.P.: $408.7M in 1 of these companies
• Caddis Holdings, LP: $478.7M in 1 of these companies
• Tetragon Financial Group Limited: $336.4M in 1 of these companies
• Tether Global Investments Fund, S.I.C.A.F., S.A.: $598.8M in 1 of these companies
• Sunrise Partners Limited Partnership: $288.6M in 1 of these companies
• MFN Partners, LP: $626.7M in 1 of these companies
• Solaris Energy Capital, LLC: $282.7M in 1 of these companies
• Michael Ho: $730.4M in 1 of these companies

Follow SK hynix Inc.'s SEC filings (Atom feed)

Sources: SEC Schedules 13D and 13G (stakes above 5%, which count everything a person votes or can acquire within 60 days) and Forms 3, 4 and 5 (the shares a director, officer or 10% owner holds, filed within two business days of each trade). Values at the last price.

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