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CITADEL ADVISORS LLC

Position in IOSP — Innospec Inc.

CIK 1423053 MIAMI, FL

Position in IOSP

as of Jun 30, 2026 · filed Sep 2, 2026
Position Value
$8,020,902
-$8,107,974 QoQ
Shares Held
98,549
-55.4% QoQ
Ownership
0.400%
of shares outstanding
% of Portfolio
0.01%
of 13F equity value
Holder Rank
#42
of 282 holders
Holding Since
Mar 2020
25 quarters on record
Voting authority Sole 100% Shared 0% None 0%

Common Shares in IOSP Over Time

Shares Held

Position Value (USD)

Derivatives in IOSP

reported options exposure · as of Mar 31, 2025
CallValue
$18,950
CallShares
200
PutValue
$104,225
PutShares
1,100

Notional value of option positions as reported on Form 13F. Calls and puts are disclosed separately and do not net against the common-share stake above.

Position in Specialty Chemicals

Basic Materials · as of Jun 30, 2026

CITADEL ADVISORS LLC holds $1,682,131,234 across 50 Specialty Chemicals names. IOSP ranks #21 (0.5% of the industry book) .

# Ticker Company Shares Value (USD) Open

All Filings in IOSP

Export CSV
43 filing rows on record
Report Date Value (USD) Shares
2026-06-30 $8,020,902 98,549
2026-03-31 $16,128,876 220,883
2025-12-31 $5,563,998 72,694
2025-09-30 $6,434,295 83,389
2025-06-30 $7,952,895 94,576
2025-03-31 $18,950 200
2025-03-31 $7,119,893 75,144
2025-03-31 $104,225 1,100
2024-12-31 $2,798,055 25,423
2024-12-31 $11,006 100
2024-09-30 $2,428,041 21,470
2024-09-30 $135,708 1,200
2024-09-30 $22,618 200
2024-06-30 $2,710,328 21,930
2024-03-31 $12,894 100
2024-03-31 $12,894 100
2024-03-31 $954,929 7,406
2023-12-31 $73,944 600
2023-12-31 $160,212 1,300
2023-09-30 $30,660 300
2023-09-30 $204,911 2,005
2023-09-30 $81,760 800
2023-03-31 $344,047 3,351
2023-03-31 $10,267 100
2022-12-31 $92,574 900
2022-12-31 $2,872,468 27,926
2022-09-30 $296,161 3,457
2022-06-30 $670,530 7,000
2022-06-30 $1,185,592 12,377
2022-06-30 $268,212 2,800
2022-03-31 $1,069,322 11,554
2021-12-31 $530,204 5,869
2021-09-30 $3,672,833 43,610
2021-06-30 $380,562 4,200
2021-06-30 $1,723,220 19,018
2021-03-31 $493,014 4,801
2020-12-31 $1,543,498 17,012
2020-09-30 $2,512,156 39,674
2020-09-30 $626,868 9,900
2020-06-30 $641,175 8,300
2020-06-30 $3,657,632 47,348
2020-03-31 $1,287,580 18,529
2020-03-31 $319,654 4,600