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Livermore
Livermore
ZHEN

HM Payson & Co

SEC CIK
0000928052
Latest filing
Jul 17, 2026

IOSP holding history

Innospec Inc. in every 13F filed by HM Payson & Co, including the quarters it was sold out or no filing was made. Changes compare share counts with the previous calendar quarter.

IOSP overviewAll 13F holders of IOSPFull Q2 2026 holdings

Shares (Q2 2026)
500
Value
$40.7K
% of portfolio
<0.1%
Quarters held
22
Since Q1 2021
Holdings of IOSP by HM Payson & Co, by quarter
QuarterSharesValue% of portfolioShare changeActionAll holders
Q2 2026500$40.7K<0.1%−409−45.0%ReducedHolders
Q1 2026909$66.4K<0.1%00.0%UnchangedHolders
Q4 2025909$69.6K<0.1%00.0%UnchangedHolders
Q3 2025909$70.1K<0.1%00.0%UnchangedHolders
Q2 2025909$76.4K<0.1%00.0%UnchangedHolders
Q1 2025909$86.1K<0.1%00.0%UnchangedHolders
Q4 2024909$100.0K<0.1%00.0%UnchangedHolders
Q3 2024909$102.8K<0.1%00.0%UnchangedHolders
Q2 2024909$112.3K<0.1%00.0%UnchangedHolders
Q1 2024909$117.2K<0.1%00.0%UnchangedHolders
Q4 2023909$112.0K<0.1%00.0%UnchangedHolders
Q3 2023909$92.9K<0.1%00.0%UnchangedHolders
Q2 2023909$91.3K<0.1%00.0%UnchangedHolders
Q1 2023909$93.3K<0.1%00.0%UnchangedHolders
Q4 2022909$93.5K<0.1%00.0%UnchangedHolders
Q3 2022909$78.0K<0.1%00.0%UnchangedHolders
Q2 2022909$87.0K<0.1%00.0%UnchangedHolders
Q1 2022909$84.0K<0.1%00.0%UnchangedHolders
Q4 2021909$82.0K<0.1%00.0%UnchangedHolders
Q3 2021909$77.0K<0.1%00.0%UnchangedHolders
Q2 2021909$82.0K<0.1%00.0%UnchangedHolders
Q1 2021909$93.0K<0.1%––Holders

Livermore's 13F data starts with Q1 2021, so Q1 2021 has no change from the previous quarter.