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David Shaw’s Innospec IOSP Stock Holding History

David Shaw’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 $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

David Shaw's IOSP Position: Q2 2026 in Review

David Shaw reduced its Innospec (IOSP) stake by 42% in Q2 2026, selling an estimated $9.58M and leaving 165,746 shares worth $13.5M. The position accounts for 0.01% of the portfolio, ranked #1584.

David Shaw first reported a position in IOSP in Q2 2013 and has held it in 53 quarters since. The position peaked at $23.7M in Q4 2025. 281 funds tracked by Wall St. Rank hold IOSP as of Q2 2026.

  • David Shaw held 165,746 shares of Innospec worth $13.5M as of Q2 2026.
  • David Shaw sold 121,048 Innospec shares in Q2 2026, an estimated $9.58M.
  • Innospec made up 0.01% of David Shaw's portfolio in Q2 2026, its #1584 holding.
  • David Shaw first reported a position in Innospec in Q2 2013 and has held it in 53 quarters since.
  • David Shaw's Innospec position peaked at $23.7M in Q4 2025.
  • 281 funds tracked by Wall St. Rank held Innospec as of Q2 2026.

Based on D.E. Shaw & Co's 13F filing for Q2 2026, filed 14 Aug 2026.