Advisory Research Inc
- SEC CIK
- 0000902584
- Latest filing
- Aug 13, 2026
MPTI holding history
M-tron Industries, Inc. in every 13F filed by Advisory Research Inc, including the quarters it was sold out or no filing was made. Changes compare share counts with the previous calendar quarter.
MPTI overviewAll 13F holders of MPTIFull Q2 2026 holdings
- Shares (Q2 2026)
- 59,011
- Value
- $5.85M
- % of portfolio
- 0.6%
- Quarters held
- 3
- Since Q4 2025