Sigma Planning Corp
- SEC CIK
- 0001449126
- Latest filing
- Aug 7, 2026
NPKI holding history
NPK International Inc. in every 13F filed by Sigma Planning Corp, including the quarters it was sold out or no filing was made. Changes compare share counts with the previous calendar quarter.
NPKI overviewAll 13F holders of NPKIFull Q2 2026 holdings
- Shares (Q2 2026)
- 60,000
- Value
- $954.6K
- % of portfolio
- <0.1%
- Quarters held
- 2
- Since Q1 2026