Capstone Investment Advisors
IOSP icon

Capstone Investment Advisors’s Innospec IOSP Stock Holding History

Capstone Investment Advisors’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 		$813K Sell
9,993
-5,764
-37% -$456K ﹤0.01% 1030
2026
Q1 		$1.15M Buy
15,757
+4,405
+39% +$343K ﹤0.01% 813
2025
Q4 		$869K Buy
11,352
+4,560
+67% +$344K ﹤0.01% 920
2025
Q3 		$524K Buy
+6,792
New +$567K ﹤0.01% 1346
2024
Q2 		– Sell
-4,148
Closed -$535K – 2265
2024
Q1 		$535K Buy
+4,148
New +$504K ﹤0.01% 1520
2017
Q4 		– Sell
-6,554
Closed -$404K – 567
2017
Q3 		$404K Buy
+6,554
New +$393K 0.01% 346

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 $3.38T AUM 44.17% 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

Capstone Investment Advisors's IOSP Position: Q2 2026 in Review

Capstone Investment Advisors reduced its Innospec (IOSP) stake by 37% in Q2 2026, selling an estimated $456K and leaving 9,993 shares worth $813K. The position accounts for ﹤0.01% of the portfolio, ranked #1030.

Capstone Investment Advisors first reported a position in IOSP in Q3 2017 and has held it in 6 quarters since. The position peaked at $1.15M in Q1 2026. 281 funds tracked by Wall St. Rank hold IOSP as of Q2 2026.

  • Capstone Investment Advisors held 9,993 shares of Innospec worth $813K as of Q2 2026.
  • Capstone Investment Advisors sold 5,764 Innospec shares in Q2 2026, an estimated $456K.
  • Innospec made up ﹤0.01% of Capstone Investment Advisors's portfolio in Q2 2026, its #1030 holding.
  • Capstone Investment Advisors first reported a position in Innospec in Q3 2017 and has held it in 6 quarters since.
  • Capstone Investment Advisors's Innospec position peaked at $1.15M in Q1 2026.
  • 281 funds tracked by Wall St. Rank held Innospec as of Q2 2026.

Based on Capstone Investment Advisors's 13F filing for Q2 2026, filed 17 Aug 2026.