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Grandfield & Dodd’s Innospec IOSP Stock Holding History

Grandfield & Dodd’s Portfolio IOSP Stock Details IOSP Fund Activity
Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake 		Trade Value Portfolio Weight Portfolio Position
2025
Q3 		– Sell
-2,400
Closed -$202K – 213
2025
Q2 		$202K Hold
2,400
– – 0.01% 210
2025
Q1 		$227K Hold
2,400
– – 0.01% 193
2024
Q4 		$264K Hold
2,400
– – 0.02% 186
2024
Q3 		$271K Hold
2,400
– – 0.02% 188
2024
Q2 		$297K Hold
2,400
– – 0.02% 172
2024
Q1 		$309K Hold
2,400
– – 0.02% 169
2023
Q4 		$296K Hold
2,400
– – 0.02% 165
2023
Q3 		$245K Hold
2,400
– – 0.02% 165
2023
Q2 		$241K Hold
2,400
– – 0.02% 173
2023
Q1 		$246K Hold
2,400
– – 0.02% 173
2022
Q4 		$247K Hold
2,400
– – 0.02% 169
2022
Q3 		$210K Hold
2,400
– – 0.02% 178
2022
Q2 		$230K Hold
2,400
– – 0.02% 179
2022
Q1 		$220K Hold
2,400
– – 0.01% 190
2021
Q4 		$220K Hold
2,400
– – 0.01% 198
2021
Q3 		$200K Hold
2,400
– – 0.01% 205
2021
Q2 		$220K Hold
2,400
– – 0.02% 195
2021
Q1 		$250K Hold
2,400
– – 0.02% 172
2020
Q4 		$220K Buy
+2,400
New +$186K 0.02% 181
2020
Q3 		– Sell
-4,800
Closed -$370K – 181
2020
Q2 		$370K Buy
+4,800
New +$351K 0.04% 141
2020
Q1 		– Sell
-2,400
Closed -$248K – 178
2019
Q4 		$248K Hold
2,400
– – 0.02% 168
2019
Q3 		$214K Hold
2,400
– – 0.02% 172
2019
Q2 		$219K Hold
2,400
– – 0.02% 170
2019
Q1 		$200K Buy
+2,400
New +$179K 0.02% 172

Other funds holding IOSP

BlackRock
BlackRock New York $6.73T AUM 46.02% 1-Year Est. Return
Vanguard Group
Vanguard Group Malvern, Pennsylvania $6.9T AUM 27.45% 1-Year Est. Return
Allspring Global Investments
Allspring Global Investments Charlotte, North Carolina $65.2B AUM 39.42% 1-Year Est. Return
Dimensional Fund Advisors
Dimensional Fund Advisors Austin, Texas $552B AUM 44.19% 1-Year Est. Return
State Street
State Street Boston, Massachusetts $3.37T AUM 44.26% 1-Year Est. Return
Victory Capital Management
Victory Capital Management San Antonio, Texas $178B AUM 37.23% 1-Year Est. Return
First Trust Advisors
First Trust Advisors Wheaton, Illinois $170B AUM 46.21% 1-Year Est. Return
Geode Capital Management
Geode Capital Management Boston, Massachusetts $1.88T AUM 44.46% 1-Year Est. Return
RA
Royce & Associates New York $12.4B AUM 64.17% 1-Year Est. Return
Millennium Management
Millennium Management New York $276B AUM 44.8% 1-Year Est. Return

Grandfield & Dodd's IOSP Position: Q3 2025 in Review

Grandfield & Dodd sold out of Innospec (IOSP) in Q3 2025, closing a stake of 2,400 shares — an estimated $202K sold.

Grandfield & Dodd first reported a position in IOSP in Q1 2019 and held it in 24 quarters. The position peaked at $370K in Q2 2020. 266 funds tracked by Wall St. Rank hold IOSP as of Q3 2025.

  • Grandfield & Dodd reported no remaining Innospec position as of Q3 2025 after selling out during the quarter.
  • Grandfield & Dodd sold 2,400 Innospec shares in Q3 2025, an estimated $202K.
  • Grandfield & Dodd first reported a position in Innospec in Q1 2019 and held it in 24 quarters.
  • Grandfield & Dodd's Innospec position peaked at $370K in Q2 2020.
  • 266 funds tracked by Wall St. Rank held Innospec as of Q3 2025.

Based on Grandfield & Dodd's 13F filing for Q3 2025, filed 30 Oct 2025.