Innospec Ownership | Who Owns Innospec?

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Innospec Ownership Summary

Innospec is owned by 96.22% institutional investors, 1.26% insiders, and 2.52% retail investors. Blackrock is the largest institutional shareholder, holding 15.70% of IOSP shares. Allspring Special Small Cap Value A is the top mutual fund, with 6.48% of its assets in Innospec shares.

IOSP Ownership Benchmark

Type	Name	% Inst	% Insiders	% Retail
Stock	Innospec	96.22%	1.26%	2.52%
Sector	Basic Materials Stocks	52.81%	12.20%	34.99%

Institutional Shareholders

Top Institutional Shareholders by Total Shares

Holder	Shares	% Holding	Value
Blackrock	3.91M	15.70%	$482.97M
Blackrock funding, inc. /de	3.66M	14.68%	$307.97M
Vanguard group	3.18M	12.75%	$350.07M
Allspring global investments	2.39M	9.57%	$256.81M
Dimensional fund advisors lp	1.16M	4.65%	$127.51M
State street	975.54K	3.92%	$120.57M
Victory capital management	922.22K	3.70%	$101.50M
Geode capital management	692.07K	2.77%	$76.18M
Royce & associates lp	627.50K	2.51%	$52.77M
Nuveen asset management	471.10K	1.89%	$51.85M

Top Institutional Shareholders by % of Total Assets

Holder	Shares	% Assets	Value
Kirr marbach & co llc /in/	77.70K	1.85%	$8.55M
Qsv equity investors	12.16K	1.07%	$1.02M
Numerai gp	62.89K	0.76%	$5.29M
Round hill asset management	11.97K	0.68%	$1.01M
Royce & associates lp	627.50K	0.54%	$52.77M
Leeward investments, llc - ma	80.03K	0.44%	$8.81M
Allspring global investments	2.39M	0.41%	$256.81M
Westwood group	412.31K	0.30%	$34.67M
Huber capital management	20.15K	0.29%	$1.69M
Nebula research & development	28.13K	0.20%	$2.37M

Top Buyers

Holder	Shares	% Assets	Change
Millennium management	170.41K	0.01%	168.35K
Qube research	306.76K	0.03%	128.54K
Norges bank	102.78K	0.00%	102.78K
Brown advisory	426.54K	0.05%	97.13K
Cubist systematic strategies	130.43K	0.07%	86.78K

Top Sellers

Holder	Shares	% Assets	Change
Wasatch advisors lp	-	-	-528.14K
Pacer advisors	-	-	-485.71K
Champlain investment partners	-	-	-223.39K
Telemark asset management	-	-	-140.00K
Raymond james financial	70.67K	0.00%	-116.54K

New Positions

Holder	Shares	% Assets	Change	Value
Norges bank	102.78K	0.00%	102.78K	$11.31M
Numerai gp	62.89K	0.76%	62.89K	$5.29M
Y-intercept (hong kong)	41.24K	0.08%	41.24K	$3.47M
Twinbeech capital lp	32.25K	0.06%	32.25K	$2.71M
Wedge capital management l l p/nc	14.95K	0.02%	14.95K	$1.26M

Sold Out

Holder	Change
Tfc financial management	-1.00
Tfo-tdc	-1.00
Financial gravity asset management	-2.00
Claris advisors, llc / mo /	-2.00
Innealta capital	-2.00

Institutional Ownership Trends

Date	Holdings	Change %	Shares	Change %	Ownership	Change %	Increased Position	Change %	Decreased Position	Change %
Jun 30, 2025	256	-6.91%	24,009,943	-1.59%	96	1.01%	138	-2.13%	83	-8.79%
Mar 31, 2025	4	-98.48%	319,463	-98.68%	1	0.01%	4	-96.92%	-	-100.00%
Dec 31, 2024	248	-5.34%	23,103,575	-3.76%	92	1.00%	122	1.67%	90	-13.46%
Sep 30, 2024	259	-1.89%	23,997,292	0.04%	96	1.04%	117	-18.18%	104	18.18%
Jun 30, 2024	259	8.37%	23,975,935	0.45%	96	1.05%	140	27.27%	87	-10.31%

Top Mutual Funds Shareholders

Holder	Shares	% Holding	Change
Allspring Special Small Cap Value A	1.61M	6.48%	-8.70K
iShares Core S&P Small-Cap ETF	1.49M	6.00%	226.00
Vanguard Total Stock Mkt Idx Inv	787.43K	3.17%	-16.81K
Vanguard US Total Market Shares ETF	791.22K	3.15%	864.00
Victory Sycamore Small Company Opp R	690.00K	2.76%	-130.00K
Victory Small Cap Value CIT (Net 75)	685.00K	2.75%	19.00K
Wasatch Core Growth	639.99K	2.57%	-78.52K
Vanguard Small Cap Index	605.35K	2.44%	-4.21K
iShares Russell 2000 ETF	584.91K	2.36%	-11.13K
First Trust Value Line® Dividend ETF	464.49K	1.86%	-580.00

Recent Insider Transactions

Date	Name	Role	Activity	Value
May 13, 2025	PARRETTE LESLIE J	-	Sell	$24.46K
May 13, 2025	PARRETTE LESLIE J	-	Sell	$15.96K
Mar 03, 2025	Cleminson Ian	EVP & CFO	Sell	$431.68K
Feb 24, 2025	BARNES CORBIN	SVP, Corporate Dev and IR	Sell	$61.63K
Feb 21, 2025	PADFIELD Larry	-	Sell	$20.25K

Insider Transactions Trends

Date	Buy	Sell
2025 Q2	-	2
2025 Q1	-	7
2024 Q4	-	4
2024 Q3	1	4
2024 Q2	1	1

IOSP Ownership FAQ

Who owns the most shares of Innospec?

Innospec’s largest shareholders are Blackrock (3.91M shares, 15.70%), Blackrock funding, inc. /de (3.66M shares, 14.68%), and Vanguard group (3.18M shares, 12.75%). Together, they hold 43.13% of Innospec’s total shares outstanding.

Does Blackrock own Innospec?

Yes, BlackRock owns 15.70% of Innospec, totaling 3.91M shares as of Jun 2024. This represents 0.01% of BlackRock's total assets, with a market value of 482.97M$. In the last quarter, BlackRock decreased its holdings by -18.226K shares, a -0.46% change.

Who is Innospec’s biggest shareholder by percentage of total assets invested?

Kirr marbach & co llc /in/ is Innospec’s biggest shareholder by percentage of total assets invested, with 1.85% of its assets in 77.7K Innospec shares, valued at 8.55M$.

Who is the top mutual fund holder of Innospec shares?

Allspring Special Small Cap Value A is the top mutual fund holder of Innospec shares, with 6.48% of its total shares outstanding invested in 1.61M Innospec shares.

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