Ken Griffin Innospec Inc. Transaction History

Citadel Advisors LLC

$618 Billion
Q3 2025

A detailed history of Ken Griffin (Citadel Advisors LLC) transactions in Innospec Inc. stock. As of the latest transaction made, Citadel Advisors LLC holds 83,389 shares of IOSP stock, worth $6.18 Million. This represents 0.0% of its overall portfolio holdings.

Number of Shares

83,389

Previous 94,576 11.83%

Holding current value

$6.18 Million

Previous $7.95 Million 19.09%

% of portfolio

0.0%

Previous 0.0%

31 transactions

Quarter	Operation	Price Per share	shares change	shares Held
Q3 2025 Nov 14, 2025	SELL	$77.06 - $89.32 $862,070 - $999,222	-11,187 Reduced 11.83%	83,389 $6.43 Million
Q2 2025 Aug 14, 2025	BUY	$82.54 - $95.65 $1.6 Million - $1.86 Million	19,432 Added 25.86%	94,576 $7.95 Million
Q1 2025 May 15, 2025	BUY	$94.75 - $116.61 $4.71 Million - $5.8 Million	49,721 Added 195.57%	75,144 $7.12 Million
Q4 2024 Feb 14, 2025	BUY	$107.78 - $124.9 $426,054 - $493,729	3,953 Added 18.41%	25,423 $2.8 Million
Q3 2024 Nov 14, 2024	SELL	$104.8 - $131.4 $48,208 - $60,444	-460 Reduced 2.1%	21,470 $2.43 Million

Q2 2024 Aug 14, 2024	BUY	$120.0 - $131.58 $1.74 Million - $1.91 Million	14,524 Added 196.11%	21,930 $2.71 Million
Q1 2024 May 15, 2024	BUY	$114.8 - $129.55 $850,208 - $959,447	7,406 New	7,406 $954,000
Q3 2023 Nov 14, 2023	BUY	$98.35 - $109.9 $197,191 - $220,349	2,005 New	2,005 $204,000
Q1 2023 May 15, 2023	SELL	$99.19 - $115.31 $2.44 Million - $2.83 Million	-24,575 Reduced 88.0%	3,351 $344,000
Q4 2022 Feb 14, 2023	BUY	$84.41 - $112.66 $2.07 Million - $2.76 Million	24,469 Added 707.81%	27,926 $2.87 Million
Q3 2022 Nov 14, 2022	SELL	$85.49 - $103.11 $762,570 - $919,741	-8,920 Reduced 72.07%	3,457 $296,000
Q2 2022 Aug 15, 2022	BUY	$87.29 - $106.03 $71,839 - $87,262	823 Added 7.12%	12,377 $1.19 Million
Q1 2022 May 16, 2022	BUY	$89.67 - $99.68 $509,773 - $566,680	5,685 Added 96.86%	11,554 $1.07 Million
Q4 2021 Feb 14, 2022	SELL	$81.2 - $94.12 $3.06 Million - $3.55 Million	-37,741 Reduced 86.54%	5,869 $530,000
Q3 2021 Nov 15, 2021	BUY	$82.36 - $95.69 $2.03 Million - $2.35 Million	24,592 Added 129.31%	43,610 $3.67 Million
Q2 2021 Aug 16, 2021	BUY	$90.0 - $105.95 $1.28 Million - $1.51 Million	14,217 Added 296.13%	19,018 $1.72 Million
Q1 2021 May 17, 2021	SELL	$87.79 - $105.42 $1.07 Million - $1.29 Million	-12,211 Reduced 71.78%	4,801 $493,000
Q4 2020 Feb 16, 2021	SELL	$62.76 - $90.73 $1.42 Million - $2.06 Million	-22,662 Reduced 57.12%	17,012 $1.54 Million
Q3 2020 Nov 16, 2020	SELL	$62.99 - $82.87 $483,385 - $635,944	-7,674 Reduced 16.21%	39,674 $2.51 Million
Q2 2020 Aug 14, 2020	BUY	$64.14 - $84.46 $1.85 Million - $2.43 Million	28,819 Added 155.53%	47,348 $3.66 Million
Q1 2020 May 15, 2020	BUY	$61.37 - $107.16 $827,267 - $1.44 Million	13,480 Added 266.98%	18,529 $1.29 Million
Q4 2019 Feb 14, 2020	SELL	$85.47 - $103.91 $2.5 Million - $3.04 Million	-29,256 Reduced 85.28%	5,049 $523,000
Q3 2019 Nov 14, 2019	BUY	$81.92 - $95.36 $689,438 - $802,549	8,416 Added 32.51%	34,305 $3.06 Million
Q2 2019 Aug 14, 2019	BUY	$79.07 - $91.24 $1.21 Million - $1.39 Million	15,248 Added 143.29%	25,889 $2.36 Million
Q1 2019 May 15, 2019	SELL	$60.21 - $84.58 $302,314 - $424,676	-5,021 Reduced 32.06%	10,641 $0
Q4 2018 Feb 14, 2019	BUY	$57.78 - $76.82 $336,337 - $447,169	5,821 Added 59.15%	15,662 $967,000
Q3 2018 Nov 13, 2018	BUY	$74.15 - $82.7 $93,058 - $103,788	1,255 Added 14.62%	9,841 $0
Q2 2018 Aug 10, 2018	SELL	$66.7 - $80.05 $327,963 - $393,605	-4,917 Reduced 36.41%	8,586 $0
Q1 2018 May 11, 2018	SELL	$63.6 - $73.85 $973,716 - $1.13 Million	-15,310 Reduced 53.14%	13,503 $926,000
Q4 2017 Feb 09, 2018	SELL	$60.95 - $72.95 $573,173 - $686,021	-9,404 Reduced 24.61%	28,813 $2.03 Million
Q3 2017 Nov 09, 2017	BUY	$54.25 - $63.7 $2.07 Million - $2.43 Million	38,217	38,217 $2.36 Million

Others Institutions Holding IOSP

# of Institutions

283

Shares Held

24.7M

Call Options Held

150K

Put Options Held

View Full List

About INNOSPEC INC.

Ticker IOSP
Exchange NASDAQ
Sector Basic Materials
Industry Specialty Chemicals
Shares Outstandng 24,790,700
Market Cap $1.84B
Description
Innospec Inc. develops, manufactures, blends, markets, and supplies specialty chemicals in the United States, rest of North America, the United Kingdom, rest of Europe, and internationally. The company's Fuel Specialties segment offers a range of specialty chemical products that are used as additives in various fuels. This segment's products are...

More about IOSP

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