Public Sector Pension Investment Board (PSP Investments)
IOSP icon

Public Sector Pension Investment Board (PSP Investments)’s Innospec IOSP Stock Holding History

Public Sector Pension Investment Board (PSP Investments)’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 		$6.48M Buy
88,694
+2,980
+3% +$232K 0.02% 764
2025
Q4 		$6.56M Sell
85,714
-11,152
-12% -$842K 0.02% 708
2025
Q3 		$7.47M Buy
96,866
+11,907
+14% +$994K 0.03% 579
2025
Q2 		$7.14M Buy
84,959
+5,838
+7% +$511K 0.03% 513
2025
Q1 		$7.5M Buy
79,121
+16,993
+27% +$1.8M 0.03% 495
2024
Q4 		$6.84M Buy
62,128
+9,171
+17% +$1.05M 0.03% 488
2024
Q3 		$5.99M Sell
52,957
-1,900
-3% -$221K 0.03% 408
2024
Q2 		$6.78M Buy
54,857
+3,885
+8% +$486K 0.04% 298
2024
Q1 		$6.57M Sell
50,972
-630
-1% -$76.5K 0.05% 273
2023
Q4 		$6.36M Buy
51,602
+20,868
+68% +$2.22M 0.05% 265
2023
Q3 		$3.14M Sell
30,734
-13,409
-30% -$1.4M 0.02% 529
2023
Q2 		$4.43M Buy
44,143
+587
+1% +$58.8K 0.03% 460
2023
Q1 		$4.47M Sell
43,556
-1,499
-3% -$161K 0.03% 457
2022
Q4 		$4.63M Sell
45,055
-388
-0.9% -$39.4K 0.04% 463
2022
Q3 		$3.89M Sell
45,443
-559
-1% -$52.8K 0.03% 473
2022
Q2 		$4.41M Hold
46,002
– – 0.04% 392
2022
Q1 		$4.26M Sell
46,002
-4,200
-8% -$398K 0.03% 558
2021
Q4 		$4.54M Buy
50,202
+410
+0.8% +$36.2K 0.02% 613
2021
Q3 		$4.19M Sell
49,792
-500
-1% -$44.6K 0.02% 659
2021
Q2 		$4.56M Sell
50,292
-390
-0.8% -$38.7K 0.03% 615
2021
Q1 		$5.21M Sell
50,682
-3,690
-7% -$365K 0.03% 475
2020
Q4 		$4.93M Hold
54,372
– – 0.04% 477
2020
Q3 		$3.44M Sell
54,372
-470
-0.9% -$34.9K 0.03% 587
2020
Q2 		$4.24M Hold
54,842
– – 0.04% 437
2020
Q1 		$3.81M Hold
54,842
– – 0.04% 376
2019
Q4 		$5.67M Sell
54,842
-7,334
-12% -$701K 0.04% 524
2019
Q3 		$5.54M Buy
62,176
+8,140
+15% +$730K 0.04% 494
2019
Q2 		$4.93M Buy
54,036
+31,600
+141% +$2.66M 0.04% 445
2019
Q1 		$1.87M Buy
22,436
+1,000
+5% +$74.5K 0.02% 710
2018
Q4 		$1.32M Buy
21,436
+4,300
+25% +$296K 0.01% 794
2018
Q3 		$1.31M Buy
17,136
+1,397
+9% +$109K 0.01% 846
2018
Q2 		$1.21M Hold
15,739
– – 0.01% 719
2018
Q1 		$1.08M Buy
15,739
+500
+3% +$34.8K 0.01% 735
2017
Q4 		$1.08M Hold
15,239
– – 0.01% 836
2017
Q3 		$939K Buy
15,239
+2,839
+23% +$170K ﹤0.01% 807
2017
Q2 		$813K Sell
12,400
-5,000
-29% -$321K 0.01% 813
2017
Q1 		$1.13M Buy
17,400
+700
+4% +$46.8K 0.01% 815
2016
Q4 		$1.14M Hold
16,700
– – 0.01% 814
2016
Q3 		$1.02M Hold
16,700
– – 0.01% 809
2016
Q2 		$768K Hold
16,700
– – 0.01% 886
2016
Q1 		$724K Hold
16,700
– – 0.01% 868
2015
Q4 		$907K Sell
16,700
-9,900
-37% -$546K 0.01% 811
2015
Q3 		$1.24M Buy
+26,600
New +$1.22M 0.01% 837

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 $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 $552B AUM 44.19% 1-Year Est. Return
VCM
Vanguard Capital Management Malvern, Pennsylvania $4.04T AUM
State Street
State Street Boston, Massachusetts $3.37T AUM 44.26% 1-Year Est. Return
Victory Capital Management
Victory Capital Management San Antonio, Texas $178B AUM 37.23% 1-Year Est. Return
N
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
Two Sigma Investments
Two Sigma Investments New York $124B AUM 33.93% 1-Year Est. Return

Public Sector Pension Investment Board (PSP Investments)'s IOSP Position: Q1 2026 in Review

Public Sector Pension Investment Board (PSP Investments) increased its Innospec (IOSP) stake by 3.5% in Q1 2026, buying an estimated $232K and bringing the position to 88,694 shares worth $6.48M. The position accounts for 0.02% of the portfolio, ranked #764.

Public Sector Pension Investment Board (PSP Investments) first reported a position in IOSP in Q3 2015 and has held it in 43 quarters since. The position peaked at $7.5M in Q1 2025. 266 funds tracked by Wall St. Rank hold IOSP as of Q1 2026.

  • Public Sector Pension Investment Board (PSP Investments) held 88,694 shares of Innospec worth $6.48M as of Q1 2026.
  • Public Sector Pension Investment Board (PSP Investments) bought 2,980 Innospec shares in Q1 2026, an estimated $232K.
  • Innospec made up 0.02% of Public Sector Pension Investment Board (PSP Investments)'s portfolio in Q1 2026, its #764 holding.
  • Public Sector Pension Investment Board (PSP Investments) first reported a position in Innospec in Q3 2015 and has held it in 43 quarters since.
  • Public Sector Pension Investment Board (PSP Investments)'s Innospec position peaked at $7.5M in Q1 2025.
  • 266 funds tracked by Wall St. Rank held Innospec as of Q1 2026.

Based on Public Sector Pension Investment Board (PSP Investments)'s 13F filing for Q1 2026, filed 13 May 2026.