DPMAY Diploma PLC: institutional ownership and insider trading

4 funds reported holding $289K of Diploma PLC in their latest 13F filings; in Q2 2026 funds net bought $21.6K, with 1 new positions and 1 funds selling out.

Largest institutional holders of DPMAY

  1. RHUMBLINE ADVISERS — $174K
  2. GAMMA Investing LLC — $110K
  3. Ancora Advisors LLC — $2.79K
  4. First Command Advisory Services, Inc. — $2.65K

Who owns the most DPMAY stock?

The largest institutional holders of Diploma PLC in the latest 13F filings are RHUMBLINE ADVISERS ($174K), GAMMA Investing LLC ($110K), Ancora Advisors LLC ($2.79K).

Which ETFs hold DPMAY?

2 ETFs and mutual funds hold it among their top 100 positions, including APIE, EXHAX.

All DPMAY 13F holders