SNDK Insider Trading Activity

Transactions disclosed by company insiders to the SEC on Form 4, most recent first.

InsiderRoleDateSharesValue
Shek Bernard Chief Legal Officer & Secty 2026-08-03 600 $697,296

How Institutional Funds Moved on SNDK

Position changes disclosed in SEC Form 13F filings. These report a quarterly snapshot, not exact trade dates.

FundChangeQuarter
Aware Super Pty Ltd as trustee of Aware Super Aware Super Pty Ltd as trustee of Aware Super opened a new position worth $40,463,299. 2026-06-30
Banco Santander, S.A. Banco Santander, S.A. opened a new position worth $90,203,417. 2026-06-30
Boundless Plain Holdings Ltd Boundless Plain Holdings Ltd opened a new position worth $182,623,720. 2026-06-30
Cannell & Spears LLC Cannell & Spears LLC opened a new position worth $90,910,547. 2026-06-30
USS Investment Management Ltd USS Investment Management Ltd opened a new position worth $42,726,163. 2026-06-30
Silvant Capital Management LLC Silvant Capital Management LLC opened a new position worth $36,750,298. 2026-06-30
WESTFIELD CAPITAL MANAGEMENT CO LP WESTFIELD CAPITAL MANAGEMENT CO LP opened a new position worth $111,466,432. 2026-06-30
NORGES BANK NORGES BANK opened a new position worth $4,672,728,881. 2026-06-30

Which Funds Hold SNDK

Largest reported positions as of 2026-06-30.

FundValueShares
VANGUARD CAPITAL MANAGEMENT LLC $21,983,001,441 9,668,255
FMR LLC $10,469,448,902 4,604,526
IMC-Chicago, LLC $9,400,964,058 4,134,600
VANGUARD PORTFOLIO MANAGEMENT LLC $7,994,291,435 3,515,937
JANE STREET GROUP, LLC $7,922,812,185 3,484,500
GEODE CAPITAL MANAGEMENT, LLC $7,085,257,980 3,121,200
Clear Street Group Inc. $6,783,427,892 2,983,392
Situational Awareness LP $5,673,738,513 2,495,344
ARROWSTREET CAPITAL, LIMITED PARTNERSHIP $4,932,682,158 2,169,423
NORGES BANK $4,672,728,881 2,055,094

Data compiled from public SEC filings. This is informational reporting, not investment advice.

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Chart summarizing Caxton Associates LLP 13F portfolio moves for the quarter ending 2026-06-30

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Chart showing Boundless Plain Holdings Ltd 13F portfolio changes for the quarter ending 2026-06-30

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Table-style overview of Valliance Asset Management Ltd's 13F portfolio changes for the quarter ending 2026-06-30, showing new buys, increases, and exits across semiconductor and tech stocks.

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Chart illustrating OSSIAM's quarterly 13F portfolio changes for the quarter ending 2026-03-31

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Chart showing ING GROEP NV's quarterly 13F portfolio moves including new positions and increased stakes

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