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 Q2 2018?

179 institutional investors reported IOSP - INNOSPEC INC. - Common Stock for Q2 2018. Use the holders table for investor-level position and value details.

INNOSPEC INC. - Common Stock (IOSP)

CUSIP: 45768S105

Q2 2018 13F Holders as of 30 Jun 2018

Type / Class: Equity / Common Stock
Shares outstanding: 25,045,347
Total 13F shares: 23,054,678
Share change: +294,098
Total reported value: $1,765,007,401
Put/Call ratio: 152%
Price per share: $76.55
Number of holders: 179
Value change: +$25,192,142
Number of buys: 88
Number of sells: 72

Quarterly Holders Quick Answers

What is CUSIP 45768S105?
CUSIP 45768S105 identifies IOSP - INNOSPEC INC. - Common Stock in SEC institutional holdings data.

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Explore More Reporting Periods

Jump to adjacent filing periods for faster comparison and easier crawl discovery.

Newer quarter: Q3 2018
Previous quarter: Q1 2018

Recent filing periods for CUSIP 45768S105:

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

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

Grouped by holder across the latest SEC ownership disclosures. Ownership % is shown only when it is directly reported or safely comparable across share classes.

Methodology: rows are grouped by holder and ranked by the holder's primary source value. — indicates unavailable or non-comparable values; "mixed-class rows" means the latest filing spans non-comparable classes.

Holder	Source	Role / Reporting	Ownership %	Shares	Holdings Value	12M Net Δ	As of	Details
BlackRock Finance, Inc.	13F	Company	15%	3,726,010	$255,604,000	—	31 Mar 2018	13F
FMR LLC	13F	Company	13%	3,171,317	$217,552,000	—	31 Mar 2018	13F
VANGUARD GROUP INC	13F	Company	9.4%	2,360,884	$161,957,000	—	31 Mar 2018	13F
DIMENSIONAL FUND ADVISORS LP	13F	Company	5.9%	1,490,072	$102,219,000	—	31 Mar 2018	13F
WELLS FARGO & COMPANY/MN	13F	Company	4.5%	1,134,315	$77,815,000	—	31 Mar 2018	13F
Champlain Investment Partners, LLC	13F	Company	3.3%	828,145	$56,811,000	—	31 Mar 2018	13F
Huber Capital Management LLC	13F	Company	2.9%	735,251	$50,438,000	—	31 Mar 2018	13F
LAZARD ASSET MANAGEMENT LLC	13F	Company	2.7%	677,156	$46,452,000	—	31 Mar 2018	13F
STATE STREET CORP	13F	Company	2.5%	616,476	$42,294,000	—	31 Mar 2018	13F
PRICE T ROWE ASSOCIATES INC /MD/	13F	Company	2.1%	520,811	$35,728,000	—	31 Mar 2018	13F
NORTHERN TRUST CORP	13F	Company	2%	497,741	$34,145,000	—	31 Mar 2018	13F
WESTWOOD HOLDINGS GROUP INC	13F	Company	1.6%	398,922	$27,366,000	—	31 Mar 2018	13F
Bank of New York Mellon Corp	13F	Company	1.4%	339,913	$23,317,000	—	31 Mar 2018	13F
NORGES BANK	13F	Company	1.2%	302,795	$20,772,000	—	31 Mar 2018	13F
NWQ INVESTMENT MANAGEMENT COMPANY, LLC	13F	Company	1.1%	275,915	$18,928,000	—	31 Mar 2018	13F
AMERICAN CENTURY COMPANIES INC	13F	Company	1.1%	267,776	$18,369,000	—	31 Mar 2018	13F
TEACHERS ADVISORS, LLC	13F	Company	1.1%	263,895	$18,103,000	—	31 Mar 2018	13F
EAGLE ASSET MANAGEMENT INC	13F	Company	0.95%	239,156	$16,406,000	—	31 Mar 2018	13F
EMERALD ADVISERS, LLC	13F	Company	0.93%	234,069	$16,057,000	—	31 Mar 2018	13F
GEODE CAPITAL MANAGEMENT, LLC	13F	Company	0.88%	219,932	$15,087,000	—	31 Mar 2018	13F
WASATCH ADVISORS LP	13F	Company	0.83%	206,751	$14,183,000	—	31 Mar 2018	13F
GOLDMAN SACHS GROUP INC	13F	Company	0.78%	194,420	$13,338,000	—	31 Mar 2018	13F
PRINCIPAL FINANCIAL GROUP INC	13F	Company	0.76%	190,308	$13,055,000	—	31 Mar 2018	13F
KIRR MARBACH & CO LLC /IN/	13F	Company	0.75%	186,922	$12,823,000	—	31 Mar 2018	13F
CHARLES SCHWAB INVESTMENT MANAGEMENT INC	13F	Company	0.74%	184,143	$12,633,000	—	31 Mar 2018	13F
THRIVENT FINANCIAL FOR LUTHERANS	13F	Company	0.69%	172,709	$11,848,000	—	31 Mar 2018	13F
ROYCE & ASSOCIATES LP	13F	Company	0.69%	172,388	$11,826,000	—	31 Mar 2018	13F
FIRST WILSHIRE SECURITIES MANAGEMENT INC	13F	Company	0.67%	166,706	$11,436,000	—	31 Mar 2018	13F
BANK OF AMERICA CORP /DE/	13F	Company	0.65%	161,746	$11,096,000	—	31 Mar 2018	13F
AMERIPRISE FINANCIAL INC	13F	Company	0.6%	151,429	$10,388,000	—	31 Mar 2018	13F
EMERALD MUTUAL FUND ADVISERS TRUST	13F	Company	0.52%	130,434	$8,948,000	—	31 Mar 2018	13F
DEUTSCHE BANK AG\	13F	Company	0.43%	106,673	$7,316,000	—	31 Mar 2018	13F
Invesco Ltd.	13F	Company	0.42%	106,342	$7,295,000	—	31 Mar 2018	13F
TIAA CREF INVESTMENT MANAGEMENT LLC	13F	Company	0.36%	89,829	$6,162,000	—	31 Mar 2018	13F
DEAN INVESTMENT ASSOCIATES, LLC	13F	Company	0.36%	89,783	$6,159,000	—	31 Mar 2018	13F
Brandywine Global Investment Management, LLC	13F	Company	0.33%	82,893	$5,687,000	—	31 Mar 2018	13F
Mondrian Investment Partners LTD	13F	Company	0.27%	67,640	$4,917,000	—	31 Mar 2018	13F
ZWJ INVESTMENT COUNSEL INC	13F	Company	0.25%	63,599	$4,363,000	—	31 Mar 2018	13F
ALGERT GLOBAL LLC	13F	Company	0.25%	62,734	$4,304,000	—	31 Mar 2018	13F
RHUMBLINE ADVISERS	13F	Company	0.24%	59,547	$4,085,000	—	31 Mar 2018	13F
JPMORGAN CHASE & CO	13F	Company	0.23%	57,850	$3,968,000	—	31 Mar 2018	13F
MORGAN STANLEY	13F	Company	0.22%	55,864	$3,833,000	—	31 Mar 2018	13F
Dean Capital Management	13F	Company	0.21%	53,510	$3,671,000	—	31 Mar 2018	13F
Legal & General Group Plc	13F	Company	0.2%	49,645	$3,399,000	—	31 Mar 2018	13F
Tieton Capital Management, LLC	13F	Company	0.18%	45,298	$3,107,000	—	31 Mar 2018	13F
PRUDENTIAL FINANCIAL INC	13F	Company	0.17%	42,186	$2,894,000	—	31 Mar 2018	13F
Swiss National Bank	13F	Company	0.17%	42,103	$2,888,000	—	31 Mar 2018	13F
FIRST TRUST ADVISORS LP	13F	Company	0.16%	41,139	$2,822,000	—	31 Mar 2018	13F
NEW YORK STATE COMMON RETIREMENT FUND	13F	Company	0.16%	39,557	$2,714,000	—	31 Mar 2018	13F
WBI INVESTMENTS, LLC	13F	Company	0.16%	39,138	$2,685,000	—	31 Mar 2018	13F

Institutional Holders of INNOSPEC INC. - Common Stock (IOSP) as of Q2 2018

As of 30 Jun 2018, INNOSPEC INC. - Common Stock (IOSP) was held by 179 institutional shareholders that filed Form 13F with the SEC. Together, they reported ownership of 23,054,678 shares. The largest 10 holders included BlackRock Inc., FMR LLC, VANGUARD GROUP INC, DIMENSIONAL FUND ADVISORS LP, WELLS FARGO & COMPANY/MN, Champlain Investment Partners, LLC, STATE STREET CORP, LAZARD ASSET MANAGEMENT LLC, Huber Capital Management LLC, and PRICE T ROWE ASSOCIATES INC /MD/. This page lists 179 institutional shareholders reporting positions in this security for the Q2 2018 filing period.

Investor	Option	Weight %	Change %	Value $	* Price	Shares	Share Change	Activity	Report Period

Compare Q2 2018 vs Q1 2018 Across Filers

Q1 2018 holders

173

Q2 2018 holders

179

Holder diff

Investor	Q1 2018 Shares	Q2 2018 Shares	Share Diff	Share Chg %	Q1 2018 Value $	Q2 2018 Value $	Value Diff $	Value Chg %

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

Quarterly Holders Trend

Quarterly Value Trend

Quarterly Shares Trend

* Reported Price is the price of the security as of the portfolio date. This value is significant in that it is the last known price at which the security was still held.
An asterisk sign (*) next to the price indicates that the price is likely invalid.