Teradyne (TER)Munro Partners added to its stake +35K shares

50K

Shares reported · +35K vs prior quarter

0.54%

Disclosed portfolio weight

$24.4M

Reported value

Holdings as of

Jun 30, 2026

Filed

Aug 10, 2026

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. Dec 15, 2025Federal contract · $8.4M obligatedDepartment of Defense awarded Teradyne: $8.36M obligated to date
2. Mar 27, 2026Federal contract · $1.5M obligatedDepartment of Defense awarded Teradyne: $1.53M obligated to date
3. Mar 27, 2026CongressDisclosed purchase of TER — reported range $1,001 - $15,000
4. May 22, 2026Federal contract · $856K obligatedDepartment of Defense awarded Teradyne: $856K obligated to date
5. Jun 15, 2026Insider · 2 peopleInsiders: 2 sales (~$2.2M)
6. Jul 1, 2026InsiderDirector sold ~$77K of TER shares in the open market
7. Jul 2, 2026Federal contract · $1.2M obligatedDepartment of Defense awarded Teradyne: $1.2M obligated to date
8. Jul 15, 2026Insider · 2 peopleInsiders: 2 sales (~$1.9M)
9. Jul 28, 2026Company filing · Form 8-K · ResultsReported its results
10. Jul 30, 20265% stakeBlackRock, Inc. reported a passive stake (13G) of 11.1%
11. Aug 3, 2026InsiderDirector sold ~$59K of TER shares in the open market
12. Aug 7, 2026Company filing · Form 8-K · Material agreement, New debtSigned an important agreement, and took on new debt or obligations

What came next

1. Aug 17, 2026Insider · 2 peopleInsiders: 2 sales (~$2.2M)
2. Sep 1, 2026InsiderDirector sold ~$57K of TER shares in the open market
3. Sep 15, 2026Insider · 2 peopleInsiders: 2 sales (~$1.6M)
4. Sep 17, 2026InsiderDirector sold ~$140K of TER shares in the open market
5. Oct 1, 2026InsiderDirector sold ~$67K of TER shares in the open market

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 Teradyne

For Teradyne, OQRO holds 14 insider filings (SEC Form 4 or Form 144), 1 Congress trade report, 35 fund holdings reports (13F) and 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 TER page.

How this filing works

• SEC Form 13F

Other disclosures at Teradyne

• SEC Form 4Oct 2, 2026
• SEC Form 144Oct 1, 2026
• SEC Form 4Sep 18, 2026
• SEC Form 144Sep 17, 2026
• SEC Form 4Sep 16, 2026
• SEC Form 4Sep 16, 2026

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