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 2015?

146 institutional investors reported IOSP - INNOSPEC INC. - Common Stock for Q2 2015. Use the holders table for investor-level position and value details.

INNOSPEC INC. - Common Stock (IOSP)

CUSIP: 45768S105

Q2 2015 13F Holders as of 30 Jun 2015

Type / Class: Equity / Common Stock
Shares outstanding: 25,045,347
Total 13F shares: 22,179,299
Share change: -126,879
Total reported value: $998,958,519
Put/Call ratio: 267%
Price per share: $45.04
Number of holders: 146
Value change: -$6,083,764
Number of buys: 90
Number of sells: 54

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

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Newer quarter: Q3 2015
Previous quarter: Q1 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
PRICE T ROWE ASSOCIATES INC /MD/	13F	Company	12%	3,055,150	$141,728,000	—	31 Mar 2015	13F
ROYCE & ASSOCIATES LP	13F	Company	8.7%	2,170,550	$100,692,000	—	31 Mar 2015	13F
FMR LLC	13F	Company	6.1%	1,530,496	$71,000,000	—	31 Mar 2015	13F
Huber Capital Management LLC	13F	Company	6%	1,496,672	$69,430,000	—	31 Mar 2015	13F
VANGUARD GROUP INC	13F	Company	5.9%	1,473,004	$68,333,000	—	31 Mar 2015	13F
WELLINGTON MANAGEMENT GROUP LLP	13F	Company	5.2%	1,299,510	$60,284,000	—	31 Mar 2015	13F
DIMENSIONAL FUND ADVISORS LP	13F	Company	3.5%	884,010	$41,009,000	—	31 Mar 2015	13F
SEGALL BRYANT & HAMILL, LLC	13F	Company	2.5%	618,327	$28,684,000	—	31 Mar 2015	13F
WELLS FARGO & COMPANY/MN	13F	Company	2.5%	614,247	$28,495,000	—	31 Mar 2015	13F
BlackRock Fund Advisors	13F	Company	2.4%	607,962	$28,203,000	—	31 Mar 2015	13F
BlackRock Institutional Trust Company, N.A.	13F	Company	2.3%	585,967	$27,183,000	—	31 Mar 2015	13F
Champlain Investment Partners, LLC	13F	Company	2.3%	569,005	$26,396,000	—	31 Mar 2015	13F
CARDINAL CAPITAL MANAGEMENT LLC /CT	13F	Company	1.8%	444,801	$20,634,000	—	31 Mar 2015	13F
STATE STREET CORP	13F	Company	1.6%	407,032	$18,883,000	—	31 Mar 2015	13F
NORTHERN TRUST CORP	13F	Company	1.5%	386,271	$17,919,000	—	31 Mar 2015	13F
FIRST WILSHIRE SECURITIES MANAGEMENT INC	13F	Company	1.5%	380,395	$17,647,000	—	31 Mar 2015	13F
INVESTMENT COUNSELORS OF MARYLAND LLC	13F	Company	1.4%	338,770	$15,716,000	—	31 Mar 2015	13F
KIRR MARBACH & CO LLC /IN/	13F	Company	1.3%	315,685	$14,645,000	—	31 Mar 2015	13F
KENNEDY CAPITAL MANAGEMENT LLC	13F	Company	1.2%	313,008	$14,520,000	—	31 Mar 2015	13F
NORGES BANK	13F	Company	1.2%	300,606	$13,945,000	—	31 Mar 2015	13F
TEACHERS ADVISORS, LLC	13F	Company	1.1%	274,676	$12,742,000	—	31 Mar 2015	13F
D. E. Shaw & Co., Inc.	13F	Company	0.95%	239,098	$11,092,000	—	31 Mar 2015	13F
LSV ASSET MANAGEMENT	13F	Company	0.88%	221,058	$10,254,000	—	31 Mar 2015	13F
MORGAN STANLEY	13F	Company	0.86%	215,876	$10,015,000	—	31 Mar 2015	13F
AMERIPRISE FINANCIAL INC	13F	Company	0.84%	209,875	$9,736,000	—	31 Mar 2015	13F
Bank of New York Mellon Corp	13F	Company	0.72%	181,371	$8,414,000	—	31 Mar 2015	13F
GEODE CAPITAL MANAGEMENT, LLC	13F	Company	0.67%	167,345	$7,763,000	—	31 Mar 2015	13F
UNITED SERVICES AUTOMOBILE ASSOCIATION	13F	Company	0.66%	165,705	$7,687,000	—	31 Mar 2015	13F
PRUDENTIAL FINANCIAL INC	13F	Company	0.66%	165,600	$7,682,000	—	31 Mar 2015	13F
TIAA CREF INVESTMENT MANAGEMENT LLC	13F	Company	0.47%	116,851	$5,421,000	—	31 Mar 2015	13F
Brandywine Global Investment Management, LLC	13F	Company	0.43%	108,229	$5,021,000	—	31 Mar 2015	13F
Tieton Capital Management, LLC	13F	Company	0.42%	106,088	$4,921,000	—	31 Mar 2015	13F
NEW AMSTERDAM PARTNERS LLC/NY	13F	Company	0.42%	105,243	$4,882,000	—	31 Mar 2015	13F
Hillcrest Asset Management LLC	13F	Company	0.41%	101,926	$4,728,000	—	31 Mar 2015	13F
CHARLES SCHWAB INVESTMENT MANAGEMENT INC	13F	Company	0.38%	94,377	$4,379,000	—	31 Mar 2015	13F
RENAISSANCE TECHNOLOGIES LLC	13F	Company	0.37%	92,900	$4,310,000	—	31 Mar 2015	13F
BlackRock Investment Management, LLC	13F	Company	0.3%	74,957	$3,477,000	—	31 Mar 2015	13F
RUSSELL FRANK CO/	13F	Company	0.3%	74,932	$3,476,000	—	31 Mar 2015	13F
SMITH ASSET MANAGEMENT GROUP LP	13F	Company	0.27%	66,660	$3,092,000	—	31 Mar 2015	13F
PUTNAM INVESTMENTS LLC	13F	Company	0.25%	63,365	$2,939,000	—	31 Mar 2015	13F
CALIFORNIA PUBLIC EMPLOYEES RETIREMENT SYSTEM	13F	Company	0.28%	70,602	$2,897,000	—	31 Mar 2015	13F
MILLENNIUM MANAGEMENT LLC	13F	Company	0.25%	61,681	$2,861,000	—	31 Mar 2015	13F
ICON ADVISERS INC/CO	13F	Company	0.22%	55,000	$2,551,000	—	31 Mar 2015	13F
ACADIAN ASSET MANAGEMENT LLC	13F	Company	0.21%	52,614	$2,440,000	—	31 Mar 2015	13F
Numeric Investors LLC	13F	Company	0.19%	47,700	$2,213,000	—	31 Mar 2015	13F
DEUTSCHE BANK AG\	13F	Company	0.18%	44,789	$2,077,000	—	31 Mar 2015	13F
CALIFORNIA STATE TEACHERS RETIREMENT SYSTEM	13F	Company	0.18%	44,671	$2,072,000	—	31 Mar 2015	13F
PARAMETRIC PORTFOLIO ASSOCIATES LLC	13F	Company	0.18%	43,957	$2,039,000	—	31 Mar 2015	13F
Invesco Ltd.	13F	Company	0.17%	41,769	$1,938,000	—	31 Mar 2015	13F
ALLIANCEBERNSTEIN L.P.	13F	Company	0.17%	41,400	$1,921,000	—	31 Mar 2015	13F

Institutional Holders of INNOSPEC INC. - Common Stock (IOSP) as of Q2 2015

As of 30 Jun 2015, INNOSPEC INC. - Common Stock (IOSP) was held by 146 institutional shareholders that filed Form 13F with the SEC. Together, they reported ownership of 22,179,299 shares. The largest 10 holders included PRICE T ROWE ASSOCIATES INC /MD/, Huber Capital Management LLC, VANGUARD GROUP INC, FMR LLC, ROYCE & ASSOCIATES LLC, WELLINGTON MANAGEMENT GROUP LLP, DIMENSIONAL FUND ADVISORS LP, AMERICAN CENTURY COMPANIES INC, WELLS FARGO & COMPANY/MN, and Champlain Investment Partners, LLC. This page lists 146 institutional shareholders reporting positions in this security for the Q2 2015 filing period.

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

Compare Q2 2015 vs Q1 2015 Across Filers

Q1 2015 holders

135

Q2 2015 holders

146

Holder diff

Investor	Q1 2015 Shares	Q2 2015 Shares	Share Diff	Share Chg %	Q1 2015 Value $	Q2 2015 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.