Vanguard Portfolio Management
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Vanguard Portfolio Management’s Innospec IOSP Stock Holding History

Vanguard Portfolio Management’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 		$153M Buy
1,884,244
+24,153
+1% +$1.91M 0.01% 1339
2026
Q1 		$136M Buy
+1,860,091
New +$145M 0.01% 1327

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
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
Two Sigma Investments
Two Sigma Investments New York $138B AUM 41.87% 1-Year Est. Return

Vanguard Portfolio Management's IOSP Position: Q2 2026 in Review

Vanguard Portfolio Management increased its Innospec (IOSP) stake by 1.3% in Q2 2026, buying an estimated $1.91M and bringing the position to 1,884,244 shares worth $153M. The position accounts for 0.01% of the portfolio, ranked #1339.

Vanguard Portfolio Management first reported a position in IOSP in Q1 2026 and has held it in 2 quarters since. 278 funds tracked by Wall St. Rank hold IOSP as of Q2 2026.

  • Vanguard Portfolio Management held 1,884,244 shares of Innospec worth $153M as of Q2 2026.
  • Vanguard Portfolio Management bought 24,153 Innospec shares in Q2 2026, an estimated $1.91M.
  • Innospec made up 0.01% of Vanguard Portfolio Management's portfolio in Q2 2026, its #1339 holding.
  • Vanguard Portfolio Management first reported a position in Innospec in Q1 2026 and has held it in 2 quarters since.
  • 278 funds tracked by Wall St. Rank held Innospec as of Q2 2026.

Based on Vanguard Portfolio Management's 13F filing for Q2 2026, filed 13 Aug 2026.