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Aigen Investment Management’s Innospec IOSP Stock Holding History

Aigen Investment 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 		$297K Sell
3,647
-2,942
-45% -$233K 0.08% 323
2026
Q1 		$481K Buy
6,589
+3,609
+121% +$281K 0.12% 220
2025
Q4 		$228K Sell
2,980
-3,763
-56% -$284K 0.05% 440
2025
Q3 		$520K Buy
6,743
+321
+5% +$26.8K 0.08% 385
2025
Q2 		$540K Buy
6,422
+2,563
+66% +$224K 0.07% 384
2025
Q1 		$366K Buy
+3,859
New +$408K 0.06% 437
2021
Q4 		– Sell
-3,244
Closed -$273K – 1102
2021
Q3 		$273K Buy
3,244
+32
+1% +$2.85K 0.05% 360
2021
Q2 		$291K Sell
3,212
-37
-1% -$3.67K 0.05% 341
2021
Q1 		$334K Sell
3,249
-2,078
-39% -$206K 0.04% 383
2020
Q4 		$483K Sell
5,327
-949
-15% -$73.6K 0.06% 398
2020
Q3 		$397K Buy
+6,276
New +$466K 0.05% 456

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 $3.38T AUM 44.17% 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

Aigen Investment Management's IOSP Position: Q2 2026 in Review

Aigen Investment Management reduced its Innospec (IOSP) stake by 45% in Q2 2026, selling an estimated $233K and leaving 3,647 shares worth $297K. The position accounts for 0.08% of the portfolio, ranked #323.

Aigen Investment Management first reported a position in IOSP in Q3 2020 and has held it in 11 quarters since. The position peaked at $540K in Q2 2025. 281 funds tracked by Wall St. Rank hold IOSP as of Q2 2026.

  • Aigen Investment Management held 3,647 shares of Innospec worth $297K as of Q2 2026.
  • Aigen Investment Management sold 2,942 Innospec shares in Q2 2026, an estimated $233K.
  • Innospec made up 0.08% of Aigen Investment Management's portfolio in Q2 2026, its #323 holding.
  • Aigen Investment Management first reported a position in Innospec in Q3 2020 and has held it in 11 quarters since.
  • Aigen Investment Management's Innospec position peaked at $540K in Q2 2025.
  • 281 funds tracked by Wall St. Rank held Innospec as of Q2 2026.

Based on Aigen Investment Management's 13F filing for Q2 2026, filed 14 Aug 2026.