Optiver Holding
IOSP icon

Optiver Holding’s Innospec IOSP Stock Holding History

Optiver Holding’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 		$18.6K Buy
228
+198
+660% +$15.7K ﹤0.01% 1554
2026
Q1 		$2.19K Buy
+30
New +$2.34K ﹤0.01% 1804
2025
Q4 		– Sell
-128
Closed -$9.88K – 2711
2025
Q3 		$9.88K Buy
128
+78
+156% +$6.51K ﹤0.01% 1311
2025
Q2 		$4.2K Sell
50
-29
-37% -$2.54K ﹤0.01% 1233
2025
Q1 		$7.49K Buy
+79
New +$8.36K ﹤0.01% 980
2022
Q1 		– Sell
-751
Closed -$63K – 697
2021
Q4 		$63K Hold
751
– – ﹤0.01% 379
2021
Q3 		$63K Hold
751
– – ﹤0.01% 298
2021
Q2 		$68K Buy
+751
New +$74.5K ﹤0.01% 264

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

Optiver Holding's IOSP Position: Q2 2026 in Review

Optiver Holding increased its Innospec (IOSP) stake by 660% in Q2 2026, buying an estimated $15.7K and bringing the position to 228 shares worth $18.6K. The position accounts for ﹤0.01% of the portfolio, ranked #1554.

Optiver Holding first reported a position in IOSP in Q2 2021 and has held it in 8 quarters since. The position peaked at $68K in Q2 2021. 281 funds tracked by Wall St. Rank hold IOSP as of Q2 2026.

  • Optiver Holding held 228 shares of Innospec worth $18.6K as of Q2 2026.
  • Optiver Holding bought 198 Innospec shares in Q2 2026, an estimated $15.7K.
  • Innospec made up ﹤0.01% of Optiver Holding's portfolio in Q2 2026, its #1554 holding.
  • Optiver Holding first reported a position in Innospec in Q2 2021 and has held it in 8 quarters since.
  • Optiver Holding's Innospec position peaked at $68K in Q2 2021.
  • 281 funds tracked by Wall St. Rank held Innospec as of Q2 2026.

Based on Optiver Holding's 13F filing for Q2 2026, filed 12 Aug 2026.