Hamamatsu Photonics K.K.
HPHTY- Exchange
- OTC
- SEC CIK
- 0001600928
No open-market purchases or sales by Hamamatsu Photonics K.K. insiders were filed in the last 90 days; no institution reported holding it in 13F filings for Q2 2026; no superinvestor holds it.
Other share classesHPHTF
Members of Congress who traded HPHTY
No member of Congress has reported a trade in Hamamatsu Photonics K.K. since 2020.
Source: U.S. House Clerk and Senate Office of Public Records (eFD). Amounts are the ranges filers report.