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Harbor Capital Advisors’s Innospec IOSP Stock Holding History

Harbor Capital 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 		$10K Buy
133
+47
+55% +$3.66K ﹤0.01% 978
2025
Q4 		$7K Sell
86
-1
-1% -$76 ﹤0.01% 1042
2025
Q3 		$7K Hold
87
– – ﹤0.01% 1058
2025
Q2 		$7K Buy
87
+15
+21% +$1.31K ﹤0.01% 1070
2025
Q1 		$7K Buy
+72
New +$7.62K ﹤0.01% 1076
2023
Q3 		– Sell
-308
Closed -$30.9K – 543
2023
Q2 		$30.9K Buy
+308
New +$30.8K 0.01% 539

Other funds holding IOSP

BlackRock
BlackRock New York $5.72T AUM 30.48% 1-Year Est. Return
Allspring Global Investments
Allspring Global Investments Charlotte, North Carolina $59.7B AUM 29.08% 1-Year Est. Return
VPM
Vanguard Portfolio Management Malvern, Pennsylvania $1.91T AUM
Dimensional Fund Advisors
Dimensional Fund Advisors Austin, Texas $481B AUM 30.42% 1-Year Est. Return
VCM
Vanguard Capital Management Malvern, Pennsylvania $4.04T AUM
State Street
State Street Boston, Massachusetts $2.9T AUM 29.55% 1-Year Est. Return
Victory Capital Management
Victory Capital Management San Antonio, Texas $156B AUM 27.51% 1-Year Est. Return
N
Nuveen Charlotte, North Carolina $369B AUM 31.66% 1-Year Est. Return
Geode Capital Management
Geode Capital Management Boston, Massachusetts $1.61T AUM 30.72% 1-Year Est. Return
Two Sigma Investments
Two Sigma Investments New York $124B AUM 33.93% 1-Year Est. Return

Harbor Capital Advisors's IOSP Position: Q1 2026 in Review

Harbor Capital Advisors increased its Innospec (IOSP) stake by 55% in Q1 2026, buying an estimated $3.66K and bringing the position to 133 shares worth $10K. The position accounts for ﹤0.01% of the portfolio, ranked #978.

Harbor Capital Advisors first reported a position in IOSP in Q2 2023 and has held it in 6 quarters since. The position peaked at $30.9K in Q2 2023. 266 funds tracked by Wall St. Rank hold IOSP as of Q1 2026.

  • Harbor Capital Advisors held 133 shares of Innospec worth $10K as of Q1 2026.
  • Harbor Capital Advisors bought 47 Innospec shares in Q1 2026, an estimated $3.66K.
  • Innospec made up ﹤0.01% of Harbor Capital Advisors's portfolio in Q1 2026, its #978 holding.
  • Harbor Capital Advisors first reported a position in Innospec in Q2 2023 and has held it in 6 quarters since.
  • Harbor Capital Advisors's Innospec position peaked at $30.9K in Q2 2023.
  • 266 funds tracked by Wall St. Rank held Innospec as of Q1 2026.

Based on Harbor Capital Advisors's 13F filing for Q1 2026, filed 28 Apr 2026.