Janus Henderson Group
IOSP icon

Janus Henderson Group’s Innospec IOSP Stock Holding History

Janus Henderson Group’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 		$9.73M Sell
133,272
-17,579
-12% -$1.37M ﹤0.01% 772
2025
Q4 		$11.5M Sell
150,851
-107,256
-42% -$8.1M 0.01% 718
2025
Q3 		$19.9M Buy
258,107
+2,688
+1% +$224K 0.01% 623
2025
Q2 		$21.5M Sell
255,419
-219,099
-46% -$19.2M 0.01% 551
2025
Q1 		$45.2M Buy
474,518
+6,580
+1% +$696K 0.02% 403
2024
Q4 		$51.5M Buy
467,938
+4,527
+1% +$518K 0.03% 383
2024
Q3 		$52.4M Sell
463,411
-90,810
-16% -$10.6M 0.03% 377
2024
Q2 		$68.5M Sell
554,221
-24,737
-4% -$3.1M 0.04% 317
2024
Q1 		$74.6M Sell
578,958
-2,095
-0.4% -$254K 0.04% 313
2023
Q4 		$71.6M Buy
581,053
+916
+0.2% +$97.5K 0.04% 308
2023
Q3 		$59.3M Sell
580,137
-58,476
-9% -$6.11M 0.04% 335
2023
Q2 		$64.1M Buy
638,613
+74,436
+13% +$7.45M 0.04% 343
2023
Q1 		$57.9M Buy
564,177
+125,785
+29% +$13.5M 0.04% 347
2022
Q4 		$45.1M Sell
438,392
-69,176
-14% -$7.02M 0.03% 393
2022
Q3 		$43.5M Sell
507,568
-104,777
-17% -$9.9M 0.03% 386
2022
Q2 		$58.7M Sell
612,345
-181,994
-23% -$17.7M 0.04% 346
2022
Q1 		$73.5M Sell
794,339
-114,721
-13% -$10.9M 0.04% 399
2021
Q4 		$82.1M Buy
909,060
+4,761
+0.5% +$420K 0.03% 403
2021
Q3 		$76.2M Buy
904,299
+76,319
+9% +$6.81M 0.03% 430
2021
Q2 		$75M Buy
827,980
+62,126
+8% +$6.16M 0.03% 457
2021
Q1 		$78.6M Sell
765,854
-40,195
-5% -$3.98M 0.04% 430
2020
Q4 		$73.1M Buy
806,049
+52,521
+7% +$4.07M 0.03% 445
2020
Q3 		$47.7M Buy
753,528
+157,856
+27% +$11.7M 0.02% 509
2020
Q2 		$46M Buy
595,672
+59,994
+11% +$4.39M 0.03% 509
2020
Q1 		$37.2M Buy
535,678
+13,531
+3% +$1.24M 0.03% 525
2019
Q4 		$54M Hold
522,147
– – 0.03% 558
2019
Q3 		$46.5M Buy
522,147
+101,150
+24% +$9.07M 0.03% 595
2019
Q2 		$38.4M Buy
420,997
+213,673
+103% +$18M 0.02% 647
2019
Q1 		$17.3M Buy
+207,324
New +$15.5M 0.01% 815

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
Victory Capital Management
Victory Capital Management San Antonio, Texas $178B AUM 37.23% 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
Two Sigma Investments
Two Sigma Investments New York $138B AUM 41.87% 1-Year Est. Return

Janus Henderson Group's IOSP Position: Q1 2026 in Review

Janus Henderson Group reduced its Innospec (IOSP) stake by 12% in Q1 2026, selling an estimated $1.37M and leaving 133,272 shares worth $9.73M. The position accounts for ﹤0.01% of the portfolio, ranked #772.

Janus Henderson Group first reported a position in IOSP in Q1 2019 and has held it in 29 quarters since. The position peaked at $82.1M in Q4 2021. 266 funds tracked by Wall St. Rank hold IOSP as of Q1 2026.

  • Janus Henderson Group held 133,272 shares of Innospec worth $9.73M as of Q1 2026.
  • Janus Henderson Group sold 17,579 Innospec shares in Q1 2026, an estimated $1.37M.
  • Innospec made up ﹤0.01% of Janus Henderson Group's portfolio in Q1 2026, its #772 holding.
  • Janus Henderson Group first reported a position in Innospec in Q1 2019 and has held it in 29 quarters since.
  • Janus Henderson Group's Innospec position peaked at $82.1M in Q4 2021.
  • 266 funds tracked by Wall St. Rank held Innospec as of Q1 2026.

Based on Janus Henderson Group's 13F filing for Q1 2026, filed 15 May 2026.