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Campbell & Co Investment Adviser’s Innospec IOSP Stock Holding History

Campbell & Co Investment Adviser’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 		$1.37M Buy
+18,751
New +$1.46M 0.08% 395
2025
Q3 		– Sell
-26,005
Closed -$2.19M – 1239
2025
Q2 		$2.19M Buy
26,005
+21,629
+494% +$1.89M 0.14% 228
2025
Q1 		$415K Buy
+4,376
New +$463K 0.03% 757
2024
Q4 		– Sell
-2,179
Closed -$246K – 1197
2024
Q3 		$246K Sell
2,179
-6,191
-74% -$721K 0.02% 972
2024
Q2 		$1.03M Buy
8,370
+3,328
+66% +$417K 0.09% 353
2024
Q1 		$650K Buy
5,042
+949
+23% +$115K 0.06% 587
2023
Q4 		$504K Buy
+4,093
New +$436K 0.05% 708
2023
Q1 		– Sell
-7,465
Closed -$768K – 917
2022
Q4 		$768K Buy
+7,465
New +$758K 0.18% 159
2020
Q4 		– Sell
-5,586
Closed -$354K – 489
2020
Q3 		$354K Buy
+5,586
New +$415K 0.26% 143
2020
Q1 		– Sell
-3,807
Closed -$394K – 262
2019
Q4 		$394K Sell
3,807
-934
-20% -$89.3K 0.12% 313
2019
Q3 		$423K Buy
4,741
+2,538
+115% +$228K 0.16% 241
2019
Q2 		$201K Buy
+2,203
New +$186K 0.09% 468
2016
Q2 		– Sell
-8,459
Closed -$367K – 129
2016
Q1 		$367K Buy
8,459
+3,259
+63% +$151K 1.35% 6
2015
Q4 		$282K Buy
+5,200
New +$287K 1.87% 6
2013
Q3 		– Sell
-22,957
Closed -$922K – 306
2013
Q2 		$922K Buy
+22,957
New +$958K 0.18% 153

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

Campbell & Co Investment Adviser's IOSP Position: Q1 2026 in Review

Campbell & Co Investment Adviser opened a new position in Innospec (IOSP) in Q1 2026: 18,751 shares worth $1.37M. The stake represents 0.08% of the portfolio and ranks #395 among its holdings. This is a return to the name: Campbell & Co Investment Adviser previously reported a position in IOSP as recently as Q2 2025.

Campbell & Co Investment Adviser first reported a position in IOSP in Q2 2013 and has held it in 15 quarters since. The position peaked at $2.19M in Q2 2025. 266 funds tracked by Wall St. Rank hold IOSP as of Q1 2026.

  • Campbell & Co Investment Adviser held 18,751 shares of Innospec worth $1.37M as of Q1 2026.
  • Innospec was a new Campbell & Co Investment Adviser position in Q1 2026.
  • Innospec made up 0.08% of Campbell & Co Investment Adviser's portfolio in Q1 2026, its #395 holding.
  • Campbell & Co Investment Adviser first reported a position in Innospec in Q2 2013 and has held it in 15 quarters since.
  • Campbell & Co Investment Adviser's Innospec position peaked at $2.19M in Q2 2025.
  • 266 funds tracked by Wall St. Rank held Innospec as of Q1 2026.

Based on Campbell & Co Investment Adviser's 13F filing for Q1 2026, filed 15 May 2026.