Standard Biotools (LAB)ARK Investment Management reduced its stake -133K shares

3.02M

Shares reported · -133K vs prior quarter

0.02%

Disclosed portfolio weight

$3.93M

Reported value

Holdings as of

Sep 30, 2025

Filed

Nov 12, 2025

The story around this disclosure

Every dated public record OQRO holds about the company from 60 days before to 120 days after, oldest first. It shows what was going on; none of it is a stated reason for the trade.

1. Sep 13, 2025Company filing · Form 8-K · RestructuringAnnounced job cuts, closures or a restructuring“On September 13, 2025, Standard BioTools Inc. (the “Company”) commenced a restructuring plan, including a reduction-in-force of approximately 15% of its total global workforce.”
2. Nov 4, 2025Company filing · Form 8-K · Results, Reg FDReported its results, and shared information with investors

What came next

1. Jan 8, 2026Company filing · Form 8-K · ResultsReported its results
2. Jan 30, 2026Company filing · Form 8-K · Acquisition or sale, ResultsCompleted buying or selling a business or assets, and reported its results (and 1 more item)“On January 30, 2026, Standard BioTools Inc., a Delaware corporation (the “ Company ”) completed the previously announced sale of all of the equity interests of SomaLogic, Inc. (“S omaLogic ”), Sengenics Corporation LLC and Sengenics Corporation Pte Ltd (such equity interests, collectively, the “ Shares ”), the entities that operate the Company’s aptamer-based and functional proteomics business, including KREX,…”
3. Feb 24, 2026Company filing · Form 8-K · Results, Reg FDReported its results, and shared information with investors
4. Feb 26, 2026Federal contract · $15K obligatedDepartment of the Interior awarded STANDARD BIOTOOLS INC.: $15K obligated to date

How to read SEC Form 13F-HR

Form 13F is the quarterly report in which investment managers that oversee $100 million or more list the US-listed stocks and some other securities they held on the last day of the quarter.

Full guide: What is an SEC Form 13F?

What else is on file for Standard Biotools

For Standard Biotools, OQRO holds 1 federal contract award dated in the last 90 days.

These are records OQRO holds, counted by their date, not a measure of how much trading took place. Routine paperwork such as option exercises and tax withholding is left out. Everything for the company is on its LAB page.

How this filing works

• SEC Form 13F

Other disclosures at Standard Biotools

• USAspending.gov award recordSep 2, 2026
• SEC Form 13F-HRMay 12, 2026
• USAspending.gov award recordFeb 26, 2026
• SEC Form 13F-HRFeb 11, 2026
• SEC Form 4Sep 12, 2025
• SEC Form 4Sep 5, 2025

Everything OQRO holds on this company is on its LAB page.