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MQS Management’s Innospec IOSP Stock Holding History

MQS Management’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
2026
Q2 		$297K Sell
3,643
-19
-0.5% -$1.5K 0.36% 131
2026
Q1 		$267K Buy
+3,662
New +$285K 0.18% 263
2025
Q4 		– Sell
-2,954
Closed -$228K – 531
2025
Q3 		$228K Sell
2,954
-1,357
-31% -$113K 0.13% 335
2025
Q2 		$363K Buy
+4,311
New +$377K 0.2% 217
2023
Q3 		– Sell
-3,150
Closed -$316K – 524
2023
Q2 		$316K Buy
+3,150
New +$315K 0.22% 205

Other funds holding IOSP

BlackRock
BlackRock New York $6.73T AUM 46.02% 1-Year Est. Return
Allspring Global Investments
Allspring Global Investments Charlotte, North Carolina $65.2B AUM 39.42% 1-Year Est. Return
Vanguard Portfolio Management
Vanguard Portfolio Management Malvern, Pennsylvania $2.22T AUM
Dimensional Fund Advisors
Dimensional Fund Advisors Austin, Texas $552B AUM 44.19% 1-Year Est. Return
Vanguard Capital Management
Vanguard Capital Management Malvern, Pennsylvania $4.68T AUM
State Street
State Street Boston, Massachusetts $3.37T AUM 44.26% 1-Year Est. Return
Nuveen
Nuveen Charlotte, North Carolina $419B AUM 43.02% 1-Year Est. Return
Geode Capital Management
Geode Capital Management Boston, Massachusetts $1.88T AUM 44.46% 1-Year Est. Return
Goldman Sachs
Goldman Sachs New York $1.15T AUM 47.82% 1-Year Est. Return
Victory Capital Management
Victory Capital Management San Antonio, Texas $178B AUM 37.23% 1-Year Est. Return

MQS Management's IOSP Position: Q2 2026 in Review

MQS Management reduced its Innospec (IOSP) stake by 0.52% in Q2 2026, selling an estimated $1.5K and leaving 3,643 shares worth $297K. The position accounts for 0.36% of the portfolio, ranked #131.

MQS Management first reported a position in IOSP in Q2 2023 and has held it in 5 quarters since. The position peaked at $363K in Q2 2025. 282 funds tracked by Wall St. Rank hold IOSP as of Q2 2026.

  • MQS Management held 3,643 shares of Innospec worth $297K as of Q2 2026.
  • MQS Management sold 19 Innospec shares in Q2 2026, an estimated $1.5K.
  • Innospec made up 0.36% of MQS Management's portfolio in Q2 2026, its #131 holding.
  • MQS Management first reported a position in Innospec in Q2 2023 and has held it in 5 quarters since.
  • MQS Management's Innospec position peaked at $363K in Q2 2025.
  • 282 funds tracked by Wall St. Rank held Innospec as of Q2 2026.

Based on MQS Management's 13F filing for Q2 2026, filed 7 Aug 2026.