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Prelude Capital Management’s Innospec IOSP Stock Holding History

Prelude Capital 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 		$211K Buy
+2,587
New +$205K 0.02% 962
2023
Q2 		– Sell
-2,574
Closed -$264K – 1234
2023
Q1 		$264K Buy
2,574
+591
+30% +$63.6K 0.02% 702
2022
Q4 		$204K Buy
+1,983
New +$201K 0.01% 962
2020
Q1 		– Sell
-200
Closed -$21K – 1713
2019
Q4 		$21K Sell
200
-250
-56% -$23.9K ﹤0.01% 1580
2019
Q3 		$40K Sell
450
-500
-53% -$44.8K ﹤0.01% 1238
2019
Q2 		$87K Buy
+950
New +$80.1K ﹤0.01% 984
2018
Q2 		– Sell
-2,100
Closed -$144K – 1785
2018
Q1 		$144K Buy
2,100
+1,800
+600% +$125K 0.01% 771
2017
Q4 		$21K Sell
300
-900
-75% -$60K ﹤0.01% 1129
2017
Q3 		$74K Buy
+1,200
New +$71.9K 0.01% 978
2017
Q2 		– Sell
-633
Closed -$41K – 1715
2017
Q1 		$41K Sell
633
-244
-28% -$16.3K ﹤0.01% 1087
2016
Q4 		$60K Sell
877
-2,450
-74% -$158K 0.01% 993
2016
Q3 		$202K Sell
3,327
-817
-20% -$45.5K 0.02% 562
2016
Q2 		$191K Buy
+4,144
New +$196K 0.03% 514
2016
Q1 		– Sell
-214
Closed -$12K – 1386
2015
Q4 		$12K Sell
214
-799
-79% -$44.1K ﹤0.01% 1247
2015
Q3 		$47K Sell
1,013
-769
-43% -$35.3K 0.01% 1078
2015
Q2 		$80K Buy
1,782
+882
+98% +$39.5K 0.01% 965
2015
Q1 		$42K Hold
900
– – 0.01% 1396
2014
Q4 		$38K Sell
900
-200
-18% -$8.2K 0.01% 1426
2014
Q3 		$39K Buy
1,100
+130
+13% +$5.28K 0.01% 1473
2014
Q2 		$42K Buy
970
+490
+102% +$21.1K 0.01% 1435
2014
Q1 		$22K Buy
+480
New +$21.2K ﹤0.01% 1663
2013
Q4 		– Sell
-650
Closed -$30K – 1753
2013
Q3 		$30K Buy
+650
New +$28K ﹤0.01% 1128

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

Prelude Capital Management's IOSP Position: Q2 2026 in Review

Prelude Capital Management opened a new position in Innospec (IOSP) in Q2 2026: 2,587 shares worth $211K. The stake represents 0.02% of the portfolio and ranks #962 among its holdings. This is a return to the name: Prelude Capital Management previously reported a position in IOSP as recently as Q1 2023.

Prelude Capital Management first reported a position in IOSP in Q3 2013 and has held it in 22 quarters since. The position peaked at $264K in Q1 2023. 282 funds tracked by Wall St. Rank hold IOSP as of Q2 2026.

  • Prelude Capital Management held 2,587 shares of Innospec worth $211K as of Q2 2026.
  • Innospec was a new Prelude Capital Management position in Q2 2026.
  • Innospec made up 0.02% of Prelude Capital Management's portfolio in Q2 2026, its #962 holding.
  • Prelude Capital Management first reported a position in Innospec in Q3 2013 and has held it in 22 quarters since.
  • Prelude Capital Management's Innospec position peaked at $264K in Q1 2023.
  • 282 funds tracked by Wall St. Rank held Innospec as of Q2 2026.

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