What does CUSIP 45768S105 represent in this 13F holders report?

CUSIP 45768S105 is the security identifier for IOSP - INNOSPEC INC. - Common Stock used to aggregate holder disclosures.

How many institutions held IOSP - INNOSPEC INC. - Common Stock in Q1 2022?

179 institutional investors reported IOSP - INNOSPEC INC. - Common Stock for Q1 2022. Use the holders table for investor-level position and value details.

INNOSPEC INC. - Common Stock (IOSP)

CUSIP: 45768S105

Q1 2022 13F Holders as of 31 Mar 2022

Type / Class: Equity / Common Stock
Shares outstanding: 24,907,931
Total 13F shares: 23,782,835
Share change: +33,284
Total reported value: $2,201,834,301
Price per share: $92.55
Number of holders: 179
Value change: +$3,239,616
Number of buys: 87
Number of sells: 79

Security key

45768S105

Report period

Q1 2022

Institutions

179

Top holders

IOSP full security history Ownership snapshot Full 13F holder table Newer quarter: Q2 2022 Previous quarter: Q4 2021 INNOSPEC INC. SEC filings INNOSPEC INC. company facts

Broader feeds

Latest 13F filings Latest 13D/G filings Investors directory

Reporting periods

Holder history for CUSIP 45768S105

Newer quarter: Q2 2022 Previous quarter: Q4 2021

Recent filing periods:

Q1 2026 Q4 2025 Q3 2025 Q2 2025 Q1 2025 Q4 2024 Q3 2024 Q2 2024

Ownership snapshot

Top shareholders of IOSP - INNOSPEC INC. - Common Stock (13F + 13D/G + 3/4/5)

Grouped by holder across the latest SEC ownership disclosures. Start with comparable ownership when available, then verify the linked 13F, 13D/G, or 3/4/5 evidence.

Lead holder

BlackRock Finance, Inc.

13D/G signal

—

Evidence rows

Latest as of

31 Dec 2021

13F Lead comparable stake: 17% Showing first 8 of 50 holder rows. Open remaining rows

Holder	Evidence	Ownership %	Position	12M Net Δ	As of
BlackRock Finance, Inc.	13F Company 13F	17%	$385,574,000 4,268,047 shares	—	31 Dec 2021
VANGUARD GROUP INC	13F Company 13F	11%	$245,409,000 2,716,506 shares	—	31 Dec 2021
Allspring Global Investments Holdings, LLC	13F Company 13F	9.8%	$219,891,000 2,434,052 shares	—	31 Dec 2021
ROYCE & ASSOCIATES LP	13F Company 13F	5.4%	$122,093,000 1,351,487 shares	—	31 Dec 2021
DIMENSIONAL FUND ADVISORS LP	13F Company 13F	4.6%	$104,527,000 1,157,043 shares	—	31 Dec 2021
Champlain Investment Partners, LLC	13F Company 13F	4%	$89,274,000 988,195 shares	—	31 Dec 2021
ALLIANCEBERNSTEIN L.P.	13F Company 13F	3.8%	$84,801,000 938,686 shares	—	31 Dec 2021
JANUS HENDERSON GROUP PLC	13F Company 13F	3.6%	$82,125,000 909,060 shares	—	31 Dec 2021

Show 42 additional holder rows in the full holder list

Holder	Evidence	Ownership %	Position	12M Net Δ	As of
STATE STREET CORP	13F Company 13F	3.4%	$77,616,000 859,151 shares	—	31 Dec 2021
WASATCH ADVISORS LP	13F Company 13F	2.6%	$58,016,000 642,200 shares	—	31 Dec 2021
VICTORY CAPITAL MANAGEMENT INC	13F Company 13F	2.1%	$46,948,000 519,674 shares	—	31 Dec 2021
Nuveen Asset Management, LLC	13F Company 13F	2%	$45,073,000 498,926 shares	—	31 Dec 2021
GEODE CAPITAL MANAGEMENT, LLC	13F Company 13F	1.7%	$38,433,000 425,427 shares	—	31 Dec 2021
NORTHERN TRUST CORP	13F Company 13F	1.6%	$35,662,000 394,749 shares	—	31 Dec 2021
WESTWOOD HOLDINGS GROUP INC	13F Company 13F	1.4%	$32,610,000 360,971 shares	—	31 Dec 2021
Bank of New York Mellon Corp	13F Company 13F	1.2%	$27,116,000 300,170 shares	—	31 Dec 2021
CHARLES SCHWAB INVESTMENT MANAGEMENT INC	13F Company 13F	1%	$23,186,000 256,643 shares	—	31 Dec 2021
Telemark Asset Management, LLC	13F Company 13F	1%	$22,585,000 250,000 shares	—	31 Dec 2021
GOLDMAN SACHS GROUP INC	13F Company 13F	0.97%	$21,817,000 241,504 shares	—	31 Dec 2021
NORGES BANK	13F Company 13F	0.9%	$20,222,000 223,843 shares	—	31 Dec 2021
BANK OF AMERICA CORP /DE/	13F Company 13F	0.89%	$20,027,000 221,689 shares	—	31 Dec 2021
EAGLE ASSET MANAGEMENT INC	13F Company 13F	0.86%	$19,361,000 213,844 shares	—	31 Dec 2021
PRINCIPAL FINANCIAL GROUP INC	13F Company 13F	0.67%	$15,076,000 166,882 shares	—	31 Dec 2021
Invesco Ltd.	13F Company 13F	0.66%	$14,816,000 163,992 shares	—	31 Dec 2021
Huber Capital Management LLC	13F Company 13F	0.61%	$13,768,000 152,400 shares	—	31 Dec 2021
ROYAL BANK OF CANADA	13F Company 13F	0.55%	$12,485,000 138,196 shares	—	31 Dec 2021
WELLS FARGO & COMPANY/MN	13F Company 13F	0.53%	$12,015,000 132,998 shares	—	31 Dec 2021
MORGAN STANLEY	13F Company 13F	0.45%	$10,209,000 113,001 shares	—	31 Dec 2021
THRIVENT FINANCIAL FOR LUTHERANS	13F Company 13F	0.45%	$10,091,000 111,693 shares	—	31 Dec 2021
AMERIPRISE FINANCIAL INC	13F Company 13F	0.45%	$10,037,000 111,110 shares	—	31 Dec 2021
Man Group plc	13F Company 13F	0.4%	$8,975,000 99,348 shares	—	31 Dec 2021
JPMORGAN CHASE & CO	13F Company 13F	0.39%	$8,817,000 97,615 shares	—	31 Dec 2021
FMR LLC	13F Company 13F	0.35%	$7,909,000 87,556 shares	—	31 Dec 2021
PARAMETRIC PORTFOLIO ASSOCIATES LLC	13F Company 13F	0.34%	$7,660,000 84,793 shares	—	31 Dec 2021
KIRR MARBACH & CO LLC /IN/	13F Company 13F	0.33%	$7,482,000 82,820 shares	—	31 Dec 2021
Legal & General Group Plc	13F Company 13F	0.28%	$6,337,000 70,145 shares	—	31 Dec 2021
RHUMBLINE ADVISERS	13F Company 13F	0.28%	$6,260,000 69,296 shares	—	31 Dec 2021
Tygh Capital Management, Inc.	13F Company 13F	0.28%	$6,253,000 69,213 shares	—	31 Dec 2021
D. E. Shaw & Co., Inc.	13F Company 13F	0.25%	$5,599,000 61,972 shares	—	31 Dec 2021
Mondrian Investment Partners LTD	13F Company 13F	0.23%	$5,271,000 58,349 shares	—	31 Dec 2021
KENNEDY CAPITAL MANAGEMENT LLC	13F Company 13F	0.22%	$4,987,000 55,198 shares	—	31 Dec 2021
Swiss National Bank	13F Company 13F	0.22%	$4,915,000 54,403 shares	—	31 Dec 2021
HOTCHKIS & WILEY CAPITAL MANAGEMENT LLC	13F Company 13F	0.21%	$4,815,000 53,300 shares	—	31 Dec 2021
ACADIAN ASSET MANAGEMENT LLC	13F Company 13F	0.21%	$4,733,000 52,473 shares	—	31 Dec 2021
PUBLIC SECTOR PENSION INVESTMENT BOARD	13F Company 13F	0.2%	$4,535,000 50,202 shares	—	31 Dec 2021
TWO SIGMA ADVISERS, LP	13F Company 13F	0.19%	$4,237,000 46,900 shares	—	31 Dec 2021
BARCLAYS PLC	13F Company 13F	0.18%	$4,056,000 44,888 shares	—	31 Dec 2021
RAYMOND JAMES & ASSOCIATES	13F Company 13F	0.18%	$3,943,000 43,642 shares	—	31 Dec 2021
TOCQUEVILLE ASSET MANAGEMENT L.P.	13F Company 13F	0.16%	$3,582,000 39,650 shares	—	31 Dec 2021
PRUDENTIAL FINANCIAL INC	13F Company 13F	0.15%	$3,372,000 37,324 shares	—	31 Dec 2021

How to read this table

Rows are grouped by holder and ranked first by SEC-reported ownership % when it is safely comparable, then by disclosed holdings value. — indicates unavailable or non-comparable values; "mixed-class rows" means the latest filing spans non-comparable classes.

13F holder rows

Institutional holders as of Q1 2022

Investor-level positions for this CUSIP, loaded as an interactive table.

Institutions

179

23,782,835

Rows loaded

179

Investor	Option	Weight %	Change %	Reported value	* Price	Shares	Share Change	Activity	Report Period

* Reported price is the security price as of the portfolio date and can indicate the last known price at which the security was still held. An asterisk next to the price means the price is likely invalid.

Compare Q1 2022 vs Q4 2021 Across Filers

Q4 2021 holders

180

Q1 2022 holders

179

Holder diff

-1

Investor	Q4 2021 Shares	Q1 2022 Shares	Share Diff	Share Chg %	Q4 2021 value	Q1 2022 value	Value change	Value Chg %

Trend: ostatnie 8 kwartałów (+ wybrane okresy porównania).

Quarterly Holders Trend

Quarterly Value Trend

Quarterly Shares Trend