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 2016?

186 institutional investors reported IOSP - INNOSPEC INC. - Common Stock for Q1 2016. Use the holders table for investor-level position and value details.

INNOSPEC INC. - Common Stock (IOSP)

CUSIP: 45768S105

Q1 2016 13F Holders as of 31 Mar 2016

Type / Class: Equity / Common Stock
Shares outstanding: 25,045,347
Total 13F shares: 21,858,998
Share change: -218,812
Total reported value: $948,022,074
Price per share: $43.36
Number of holders: 186
Value change: -$18,351,463
Number of buys: 100
Number of sells: 92

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: Q2 2016
Previous quarter: Q4 2015

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
FMR LLC	13F	Company	9%	2,246,516	$122,008,000	—	31 Dec 2015	13F
Huber Capital Management LLC	13F	Company	7.4%	1,843,884	$100,141,000	—	31 Dec 2015	13F
VANGUARD GROUP INC	13F	Company	7.2%	1,798,805	$97,692,000	—	31 Dec 2015	13F
BlackRock Fund Advisors	13F	Company	6%	1,495,262	$81,208,000	—	31 Dec 2015	13F
PRICE T ROWE ASSOCIATES INC /MD/	13F	Company	5.5%	1,374,905	$74,671,000	—	31 Dec 2015	13F
DIMENSIONAL FUND ADVISORS LP	13F	Company	4.5%	1,120,831	$60,873,000	—	31 Dec 2015	13F
Champlain Investment Partners, LLC	13F	Company	3.4%	839,210	$45,577,000	—	31 Dec 2015	13F
BlackRock Institutional Trust Company, N.A.	13F	Company	2.5%	629,770	$34,203,000	—	31 Dec 2015	13F
ROYCE & ASSOCIATES LP	13F	Company	2.5%	622,187	$33,791,000	—	31 Dec 2015	13F
STATE STREET CORP	13F	Company	1.9%	464,923	$25,250,000	—	31 Dec 2015	13F
AMERIPRISE FINANCIAL INC	13F	Company	1.7%	423,122	$22,982,000	—	31 Dec 2015	13F
JAMES INVESTMENT RESEARCH, INC.	13F	Company	1.7%	420,240	$22,823,000	—	31 Dec 2015	13F
WELLS FARGO & COMPANY/MN	13F	Company	1.6%	409,048	$22,216,000	—	31 Dec 2015	13F
AMERICAN CENTURY COMPANIES INC	13F	Company	1.6%	396,382	$21,528,000	—	31 Dec 2015	13F
NORGES BANK	13F	Company	1.3%	333,063	$18,089,000	—	31 Dec 2015	13F
Bank of New York Mellon Corp	13F	Company	1.3%	316,566	$17,192,000	—	31 Dec 2015	13F
KIRR MARBACH & CO LLC /IN/	13F	Company	1.3%	314,686	$17,091,000	—	31 Dec 2015	13F
SEGALL BRYANT & HAMILL, LLC	13F	Company	1.2%	304,211	$16,522,000	—	31 Dec 2015	13F
NORTHERN TRUST CORP	13F	Company	1.1%	284,603	$15,457,000	—	31 Dec 2015	13F
TEACHERS ADVISORS, LLC	13F	Company	1.1%	276,462	$15,015,000	—	31 Dec 2015	13F
FIRST WILSHIRE SECURITIES MANAGEMENT INC	13F	Company	1%	257,808	$14,002,000	—	31 Dec 2015	13F
LSV ASSET MANAGEMENT	13F	Company	0.95%	237,800	$12,914,000	—	31 Dec 2015	13F
PRUDENTIAL FINANCIAL INC	13F	Company	0.92%	230,940	$12,542,000	—	31 Dec 2015	13F
JPMORGAN CHASE & CO	13F	Company	0.79%	198,278	$10,768,000	—	31 Dec 2015	13F
GEODE CAPITAL MANAGEMENT, LLC	13F	Company	0.77%	193,284	$10,496,000	—	31 Dec 2015	13F
RENAISSANCE TECHNOLOGIES LLC	13F	Company	0.75%	187,395	$10,177,000	—	31 Dec 2015	13F
PRINCIPAL FINANCIAL GROUP INC	13F	Company	0.66%	164,177	$8,916,000	—	31 Dec 2015	13F
SCHRODER INVESTMENT MANAGEMENT GROUP	13F	Company	0.61%	152,000	$8,255,000	—	31 Dec 2015	13F
NEW AMSTERDAM PARTNERS LLC/NY	13F	Company	0.55%	137,217	$7,452,000	—	31 Dec 2015	13F
CHARLES SCHWAB INVESTMENT MANAGEMENT INC	13F	Company	0.53%	131,628	$7,149,000	—	31 Dec 2015	13F
THRIVENT FINANCIAL FOR LUTHERANS	13F	Company	0.49%	123,188	$6,690,000	—	31 Dec 2015	13F
WBI INVESTMENTS, LLC	13F	Company	0.45%	113,770	$6,179,000	—	31 Dec 2015	13F
Invesco Ltd.	13F	Company	0.45%	111,779	$6,070,000	—	31 Dec 2015	13F
Opus Capital Group, LLC	13F	Company	0.44%	110,508	$6,002,000	—	31 Dec 2015	13F
Brandywine Global Investment Management, LLC	13F	Company	0.43%	108,446	$5,890,000	—	31 Dec 2015	13F
TIAA CREF INVESTMENT MANAGEMENT LLC	13F	Company	0.43%	107,925	$5,861,000	—	31 Dec 2015	13F
Tieton Capital Management, LLC	13F	Company	0.41%	102,785	$5,582,000	—	31 Dec 2015	13F
BlackRock Investment Management, LLC	13F	Company	0.4%	100,130	$5,438,000	—	31 Dec 2015	13F
EDGE ASSET MANAGEMENT, INC	13F	Company	0.39%	98,734	$5,362,000	—	31 Dec 2015	13F
KENNEDY CAPITAL MANAGEMENT LLC	13F	Company	0.39%	98,696	$5,360,000	—	31 Dec 2015	13F
Numeric Investors LLC	13F	Company	0.38%	94,968	$5,158,000	—	31 Dec 2015	13F
ZPR Investment Management	13F	Company	0.38%	94,798	$5,148,000	—	31 Dec 2015	13F
DEAN INVESTMENT ASSOCIATES, LLC	13F	Company	0.35%	88,850	$4,825,000	—	31 Dec 2015	13F
D. E. Shaw & Co., Inc.	13F	Company	0.34%	84,643	$4,597,000	—	31 Dec 2015	13F
O'SHAUGHNESSY ASSET MANAGEMENT, LLC	13F	Company	0.32%	79,974	$4,343,000	—	31 Dec 2015	13F
PARAMETRIC PORTFOLIO ASSOCIATES LLC	13F	Company	0.29%	73,824	$4,009,000	—	31 Dec 2015	13F
AQR CAPITAL MANAGEMENT LLC	13F	Company	0.28%	70,147	$3,810,000	—	31 Dec 2015	13F
SUSQUEHANNA INTERNATIONAL GROUP, LLP	13F	Company	0.28%	69,900	$3,796,000	—	31 Dec 2015	13F
Horizon Investment Services, LLC	13F	Company	0.28%	69,620	$3,781,000	—	31 Dec 2015	13F
PUTNAM INVESTMENTS LLC	13F	Company	0.25%	63,498	$3,449,000	—	31 Dec 2015	13F

Institutional Holders of INNOSPEC INC. - Common Stock (IOSP) as of Q1 2016

As of 31 Mar 2016, INNOSPEC INC. - Common Stock (IOSP) was held by 186 institutional shareholders that filed Form 13F with the SEC. Together, they reported ownership of 21,858,998 shares. The largest 10 holders included FMR LLC, VANGUARD GROUP INC, BlackRock Fund Advisors, Huber Capital Management LLC, PRICE T ROWE ASSOCIATES INC /MD/, DIMENSIONAL FUND ADVISORS LP, Champlain Investment Partners, LLC, BlackRock Institutional Trust Company, N.A., WELLS FARGO & COMPANY/MN, and ROYCE & ASSOCIATES LP. This page lists 186 institutional shareholders reporting positions in this security for the Q1 2016 filing period.

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

Compare Q1 2016 vs Q4 2015 Across Filers

Q4 2015 holders

191

Q1 2016 holders

186

Holder diff

-5

Investor	Q4 2015 Shares	Q1 2016 Shares	Share Diff	Share Chg %	Q4 2015 Value $	Q1 2016 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.