D.E. Shaw & Co
IOSP icon

D.E. Shaw & Co’s Innospec IOSP Stock Holding History

D.E. Shaw & Co’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
2014
Q2 		– Sell
-8,000
Closed -$362K – 4350
2014
Q1 		$362K Hold
8,000
– – ﹤0.01% 3819
2013
Q4 		$370K Buy
+8,000
New +$367K ﹤0.01% 3921

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

D.E. Shaw & Co's IOSP Position: Q1 2026 in Review

D.E. Shaw & Co reduced its Innospec (IOSP) stake by 7.5% in Q1 2026, selling an estimated $1.8M and leaving 286,794 shares worth $20.9M. The position accounts for 0.01% of the portfolio, ranked #1113.

D.E. Shaw & Co first reported a position in IOSP in Q2 2013 and has held it in 52 quarters since. The position peaked at $23.7M in Q4 2025. 266 funds tracked by Wall St. Rank hold IOSP as of Q1 2026.

  • D.E. Shaw & Co held 286,794 shares of Innospec worth $20.9M as of Q1 2026.
  • D.E. Shaw & Co sold 23,133 Innospec shares in Q1 2026, an estimated $1.8M.
  • Innospec made up 0.01% of D.E. Shaw & Co's portfolio in Q1 2026, its #1113 holding.
  • D.E. Shaw & Co first reported a position in Innospec in Q2 2013 and has held it in 52 quarters since.
  • D.E. Shaw & Co's Innospec position peaked at $23.7M in Q4 2025.
  • 266 funds tracked by Wall St. Rank held Innospec as of Q1 2026.

Based on D.E. Shaw & Co's 13F filing for Q1 2026, filed 15 May 2026.