1 institutions reported holding $48,384 of TERADYNE INC CLL OPT 01/28 380.0 CAL (SWNC) in SEC 13F filings for 2026-06-30. Largest institutional holders: Parallel Advisors, LLC ($48,384). Source: SEC Form 13F.
| Rank | Institution | Value | Shares | Change |
|---|---|---|---|---|
| 1 | Parallel Advisors, LLC | $48,384 | 100 | New |
Source: SEC Form 13F filings · as of 2026-06-30