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
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
VPM
Vanguard Portfolio Management Malvern, Pennsylvania $2.22T AUM
Dimensional Fund Advisors
Dimensional Fund Advisors Austin, Texas $552B AUM 44.19% 1-Year Est. Return
VCM
Vanguard Capital Management Malvern, Pennsylvania $4.68T AUM
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
N
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
Two Sigma Investments
Two Sigma Investments New York $124B AUM 33.93% 1-Year Est. Return

Capstone Investment Advisors's IOSP Position: Q1 2026 in Review

Capstone Investment Advisors increased its Innospec (IOSP) stake by 39% in Q1 2026, buying an estimated $343K and bringing the position to 15,757 shares worth $1.15M. The position accounts for ﹤0.01% of the portfolio, ranked #813.

Capstone Investment Advisors first reported a position in IOSP in Q3 2017 and has held it in 5 quarters since. 266 funds tracked by Wall St. Rank hold IOSP as of Q1 2026.

  • Capstone Investment Advisors held 15,757 shares of Innospec worth $1.15M as of Q1 2026.
  • Capstone Investment Advisors bought 4,405 Innospec shares in Q1 2026, an estimated $343K.
  • Innospec made up ﹤0.01% of Capstone Investment Advisors's portfolio in Q1 2026, its #813 holding.
  • Capstone Investment Advisors first reported a position in Innospec in Q3 2017 and has held it in 5 quarters since.
  • 266 funds tracked by Wall St. Rank held Innospec as of Q1 2026.

Based on Capstone Investment Advisors's 13F filing for Q1 2026, filed 15 May 2026.