InnospecIOSP

13F holders, Q2 2025 (June 30)
262holders −10
30new positions
40sold out
7famous investors
$84.44avg. 13F price*

At the end of Q2 2025, 262 institutions reported holding Innospec Inc. (IOSP) in their 13F filings, down 10 from Q1 2025. 30 opened new positions and 40 sold out. The largest holders were BlackRock, Inc. ($308.0M), Vanguard Group Inc. ($266.0M) and Allspring Global Investments Holdings, LLC ($216.2M). 7 famous investors held it, including Israel Englander (0.0% of Millennium Management's portfolio), Jim Simons / Peter Brown (0.0% of Renaissance Technologies's portfolio) and David E. Shaw (0.0% of D. E. Shaw & Co.'s portfolio).

Company
Innospec Inc.
CUSIP
45768S105
Latest filing quarter
Q2 2026

History

Number of 13F holders

0100200300 Q1 2024: 237Q1 2024Q2 2024: 265Q2 2024Q3 2024: 260Q3 2024Q4 2024: 262Q4 2024Q1 2025: 272Q1 2025Q2 2025: 262Q2 2025Q3 2025: 266Q3 2025Q4 2025: 260Q4 2025Q1 2026: 266Q1 2026Q2 2026: 281Q2 2026

Total Exit/New Position Q1 2025 → Q2 2025

InstitutionsTotal Value
New Positions30$26.4M
Exits40$75.0M

All 13F filers, Q1 2025 → Q2 2025: 2,110,516 shares bought and 2,569,088 shares sold, net −458,572 shares. Counts holders who added, trimmed, opened or closed a position; split-adjusted.

Ownership 262 holders

BlackRock, Inc. 0.01% Reduce -2.3% 3,662,412 $308.0M
Vanguard Group Inc. 0.00% Reduce -1.5% 3,162,941 $266.0M
Allspring Global Investments Holdings, LLC 0.36% Add +3.3% 2,483,185 $216.2M
Dimensional Fund Advisors LP 0.02% Add +0.9% 1,168,925 $98.3M
State Street Corp. 0.00% Reduce -4.1% 970,225 $81.6M
Victory Capital Management Inc. 0.05% Reduce -13.4% 958,486 $80.6M
First Trust Advisors LP 0.05% Reduce -10.1% 802,504 $67.5M
Geode Capital Management, LLC 0.00% Add +2.0% 719,598 $60.5M
Royce & Associates LP 0.54% Reduce -4.0% 627,502 $52.8M
Brown Advisory Inc. 0.05% Add +29.5% 426,544 $35.9M
Westwood Holdings Group Inc. 0.25% Add +7.8% 412,310 $34.7M
Charles Schwab Investment Management Inc. 0.01% Add +0.4% 356,177 $30.0M
Millennium Management 0.03% Add +105.4% 350,005 $29.4M
JPMorgan Chase & Co. 0.00% Add +17.6% 321,164 $27.0M
Qube Research & Technologies Ltd 0.04% Add +72.1% 306,761 $25.8M
Northern Trust Corp. 0.00% Reduce -5.0% 302,502 $25.4M
Nuveen, LLC 0.01% Reduce -34.7% 296,012 $24.9M
Bank of America Corp. 0.00% Add +21.3% 295,498 $24.8M
Morgan Stanley 0.00% Add +10.3% 263,835 $22.2M
Janus Henderson Group PLC 0.01% Reduce -46.2% 255,419 $21.5M
Bank of New York Mellon Corp 0.00% Add +1.0% 231,007 $19.4M
Invesco Ltd. 0.00% Reduce -10.4% 223,763 $18.8M
Cubist Systematic Strategies, LLC 0.20% Add +68.0% 219,088 $18.4M
D. E. Shaw & Co. 0.02% Add +73.3% 171,738 $14.4M
Voloridge Investment Management, LLC 0.05% Reduce -15.6% 160,163 $13.5M
Voya Investment Management LLC 0.01% Reduce -55.0% 147,338 $12.4M
Renaissance Technologies 0.02% Add +15.5% 146,600 $12.3M
Two Sigma Investments, LP 0.02% Add +76.2% 138,239 $11.6M
Principal Financial Group Inc. 0.01% Add +3.6% 137,216 $11.5M
Norges Bank 0.00% Add +26.4% 133,545 $11.2M
UBS AM, a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC 0.00% Add +23.0% 125,164 $10.5M
Segall Bryant & Hamill, LLC 0.14% Add +20.6% 118,161 $9.9M
Jane Street Group, LLC 0.02% Add +23.1% 117,199 $9.9M
UBS Group AG 0.00% Add +29.8% 106,269 $8.9M
Goldman Sachs Group Inc. 0.00% Reduce -20.9% 104,671 $8.8M
Citadel Advisors 0.01% Add +25.9% 94,576 $8.0M
Ameriprise Financial Inc. 0.00% Add +29.0% 85,277 $7.2M
Public Sector Pension Investment Board 0.03% Add +7.4% 84,959 $7.1M
Rhumbline Advisers 0.01% Add +4.8% 81,481 $6.9M
Two Sigma Advisers, LP 0.01% Add +110.2% 80,500 $6.8M
Gendell Jeffrey L 0.18% Add +3.3% 79,781 $6.7M
Panagora Asset Management Inc. 0.03% Add +0.1% 79,158 $6.7M
Mutual of America Capital Management LLC 0.07% Add +2026.5% 77,255 $6.5M
ProShare Advisors LLC 0.01% Add +1178.4% 75,056 $6.3M
Leeward Investments, LLC - MA 0.33% Reduce -3.5% 73,734 $6.2M
AQR Capital Management 0.01% Add +403.0% 72,024 $6.1M
Raymond James Financial Inc. 0.00% Reduce -62.3% 70,675 $5.9M
Hotchkis & Wiley Capital Management LLC 0.02% Add +16.0% 70,235 $5.9M
Legal & General Group Plc 0.00% Add +1.4% 69,673 $5.9M
Numerai GP LLC 0.76% New 62,892 $5.3M
Teacher Retirement System of Texas 0.02% Add +867.8% 60,010 $5.0M
Trexquant Investment LP 0.06% Reduce -1.5% 59,424 $5.0M
ExodusPoint Capital Management, LP 0.06% Add +418.2% 56,808 $4.8M
American Century Companies Inc. 0.00% Add +17.5% 55,861 $4.7M
Sei Investments Co. 0.01% Add +14.1% 55,472 $4.7M
Kirr Marbach & Co. LLC 0.90% Reduce -31.3% 54,335 $4.6M
Barclays PLC 0.00% Add +41.2% 51,510 $4.3M
SG Americas Securities, LLC 0.02% Add +1877.6% 50,924 $4.3M
Wells Fargo & Company 0.00% Reduce -9.3% 48,246 $4.1M
Swiss National Bank 0.00% Reduce -0.6% 48,003 $4.0M
Balyasny Asset Management L.P. 0.01% Add +31.2% 47,239 $4.0M
Edgestream Partners, L.P. 0.11% Reduce -32.8% 47,068 $4.0M
Moran Wealth Management, LLC 0.11% Reduce -5.4% 42,603 $3.6M
Y-Intercept (Hong Kong) Ltd 0.08% New 41,245 $3.5M
Walleye Capital LLC 0.03% Add +324.5% 40,120 $3.4M
ZWJ Investment Counsel Inc. 0.12% Reduce -14.9% 39,420 $3.3M
Engineers Gate Manager LP 0.04% Add +25.1% 39,062 $3.3M
Susquehanna International Group, LLP 0.00% Add +7.5% 36,861 $3.1M
Prudential Financial Inc. 0.00% Add +6.8% 26,049 $3.0M
Thrivent Financial for Lutherans 0.01% Reduce -2.0% 35,757 $3.0M
Verition Fund Management LLC 0.02% Add +129.6% 32,618 $2.7M
Twinbeech Capital LP 0.06% New 32,249 $2.7M
HRT Financial LP 0.01% Add +68.0% 32,242 $2.7M
Quantbot Technologies LP 0.07% Add +94.1% 31,052 $2.6M
Algert Global LLC 0.05% Add +5.9% 30,548 $2.6M
Schonfeld Strategic Advisors LLC 0.02% Add +247.9% 29,431 $2.5M
CANADA LIFE ASSURANCE Co 0.00% Add +1.0% 29,268 $2.5M
Dark Forest Capital Management LP 0.10% New 29,197 $2.5M
Ingalls & Snyder LLC 0.09% No change 28,927 $2.4M
AlphaQuest LLC 0.24% Add +871.1% 28,814 $2.4M
Citigroup Inc. 0.00% Reduce -32.0% 28,291 $2.4M
Nebula Research & Development LLC 0.20% Add +15.8% 28,128 $2.4M
Franklin Resources Inc. 0.00% Add +2.5% 27,672 $2.3M
Alliancebernstein L.P. 0.00% Reduce -4.0% 27,223 $2.3M
Bahl & Gaynor LLC 0.01% Reduce -14.1% 26,575 $2.2M
Campbell & CO Investment Adviser LLC 0.14% Add +494.3% 26,005 $2.2M
California State Teachers Retirement System 0.00% Add +0.8% 23,062 $1.9M
Tudor Investment Corporation 0.01% Add +71.0% 22,773 $1.9M
T. Rowe Price Associates Inc. 0.00% Add +7.2% 22,381 $1.9M
Jacobs Levy Equity Management, Inc. 0.01% Reduce -15.8% 22,056 $1.9M
Bridgeway Capital Management, LLC 0.04% Reduce -50.0% 21,900 $1.8M
State of New Jersey Common Pension Fund D 0.01% Add +15.3% 21,862 $1.8M
Connors Investor Services Inc. 0.16% Reduce -0.2% 21,566 $1.8M
Assenagon Asset Management S.A. 0.00% New 21,143 $1.8M
Intech Investment Management LLC 0.02% Reduce -4.8% 20,969 $1.8M
Huber Capital Management LLC 0.29% Reduce -70.8% 20,148 $1.7M
BNP Paribas Financial Markets 0.00% Add +268.1% 19,985 $1.7M
Holocene Advisors, LP 0.00% Add +151.6% 19,441 $1.6M
Gsa Capital Partners LLP 0.11% New 19,300 $1.6M
Occudo Quantitative Strategies LP 0.18% Reduce -7.4% 19,109 $1.6M
Royal Bank of Canada 0.00% Reduce -38.9% 18,501 $1.6M
Vest Financial, LLC 0.02% Reduce -10.4% 18,253 $1.5M
Envestnet Asset Management Inc. 0.00% Reduce -38.8% 17,253 $1.5M
Dynamic Technology Lab Private Ltd 0.19% Add +65.0% 16,801 $1.4M
State of Tennessee, Department of Treasury 0.01% No change 16,582 $1.4M
Deutsche Bank AG 0.00% Reduce -16.8% 16,395 $1.4M
Tredje AP-fonden 0.01% Add +43.3% 15,047 $1.3M
Public Employees Retirement System of Ohio 0.00% Add +15.2% 14,957 $1.3M
Wedge Capital Management L L P 0.02% New 14,952 $1.3M
MetLife Investment Management, LLC 0.01% Add +1.1% 14,889 $1.3M
Cerity Partners LLC 0.00% Add +12.2% 14,833 $1.2M
State of Alaska, Department of Revenue 0.01% Add +7.4% 14,845 $1.2M
MIRAE ASSET GLOBAL ETFS HOLDINGS Ltd. 0.00% Reduce -7.2% 13,772 $1.2M
PDT Partners, LLC 0.06% New 13,443 $1.1M
Manufacturers Life Insurance Company, The 0.00% Reduce -4.6% 13,127 $1.1M
Aquatic Capital Management LLC 0.02% Add +25.6% 13,024 $1.1M
Illinois Municipal Retirement Fund 0.01% Reduce -2.3% 12,917 $1.1M
Jump Financial, LLC 0.01% Add +64.5% 12,259 $1.0M
QSV Equity Investors LLC 1.07% Reduce -1.1% 12,165 $1.0M
Comerica Bank 0.00% Add +43.5% 12,095 $1.0M
Round Hill Asset Management 0.68% No change 11,974 $1.0M
HSBC Holdings PLC 0.00% Add +60.3% 11,857 $1.0M
Linden Thomas Advisory Services, LLC 0.11% Reduce -1.6% 11,736 $987K
Louisiana State Employees Retirement System 0.02% No change 11,700 $984K
New York State Teachers Retirement System 0.00% Reduce -8.7% 11,596 $975K
Ensign Peak Advisors, Inc 0.00% No change 11,159 $938K
Point72 Asset Management 0.00% Reduce -29.2% 11,048 $929K
Pathstone Holdings, LLC 0.00% Reduce -31.5% 10,509 $884K
Entropy Technologies, LP 0.07% New 10,379 $873K
CM Management, LLC 0.77% New 10,000 $841K
Ieq Capital, LLC 0.01% New 9,977 $839K
State of Wisconsin Investment Board 0.00% Add +261.3% 9,592 $807K
Freestone Grove Partners LP 0.01% New 9,277 $780K
Yousif Capital Management, LLC 0.01% Add +0.4% 9,275 $780K
Brevan Howard Capital Management LP 0.01% Reduce -15.5% 9,053 $761K
New York State Common Retirement Fund 0.00% Add +15.6% 8,911 $749K
James Investment Research, Inc. 0.08% No change 8,334 $701K
XTX Topco Ltd 0.03% Reduce -35.9% 8,039 $676K
Squarepoint Ops LLC 0.00% New 7,727 $650K
STRS Ohio 0.00% Reduce -11.9% 7,400 $622K
Teachers Retirement System of the State of Kentucky 0.01% Reduce -6.6% 7,339 $617K
Arizona State Retirement System 0.00% Add +2.5% 7,318 $615K
Maryland State Retirement & Pension System 0.01% No change 7,276 $612K
Amalgamated Bank 0.00% Add +0.2% 7,127 $599K
State Board of Administration of Florida Retirement System 0.00% No change 6,756 $568K
Axq Capital, LP 0.18% New 6,751 $568K
Tower Research Capital LLC (TRC) 0.02% Add +2296.4% 6,710 $564K
LPL Financial LLC 0.00% Reduce -37.9% 6,693 $563K
Zurcher Kantonalbank (Zurich Cantonalbank) 0.00% No change 6,649 $559K
Aigen Investment Management, LP 0.07% Add +66.4% 6,422 $540K
Commonwealth of Pennsylvania Public School Empls Retrmt SYS 0.00% Add +7.3% 6,408 $539K
Petrus Trust Company, LTA 0.05% Add +26.8% 6,135 $516K
Oregon Public Employees Retirement Fund 0.01% No change 5,731 $482K
Police & Firemen's Retirement System of New Jersey 0.00% Add +6.0% 5,628 $473K
Guggenheim Capital LLC 0.00% Add +19.6% 5,552 $467K
R Squared Ltd 0.26% Add +99.0% 5,511 $463K
Cwm, LLC 0.00% Add +769.0% 5,492 $462K
Russell Investments Group, Ltd. 0.00% Add +7.1% 5,348 $450K
Burney Co./ 0.02% Reduce -82.0% 5,291 $445K
Caxton Associates LLP 0.01% Reduce -17.2% 5,116 $430K
DRW Securities, LLC 0.03% Add +118.6% 5,109 $430K
KLP Kapitalforvaltning As 0.00% No change 5,000 $420K
Bell & Brown Wealth Advisors, LLC 0.15% Reduce -4.8% 4,966 $418K
Keybank National Association 0.00% Reduce -25.9% 4,899 $412K
Acadian Asset Management LLC 0.00% Add +63.6% 4,685 $393K
Inspire Investing, LLC 0.04% Add +27.3% 4,620 $388K
US Bancorp \de 0.00% Reduce -9.8% 4,586 $386K
Man Group plc 0.00% Add +2.7% 4,544 $382K
Hudson Edge Investment Partners Inc. 0.07% Reduce -6.2% 4,525 $381K
NewEdge Advisors, LLC 0.00% Reduce -1.4% 4,503 $379K
Amundi 0.00% Reduce -59.8% 4,276 $377K
MQS Management LLC 0.20% New 4,311 $363K
Bank of Montreal 0.00% Reduce -16.0% 4,217 $355K
Legacy Wealth Asset Management, LLC 0.09% Reduce -12.6% 4,152 $349K
Wealth Enhancement Advisory Services, LLC 0.00% New 3,893 $345K
Pictet Asset Management Holding SA 0.00% Add +11.1% 4,052 $341K
Creative Planning 0.00% Reduce -24.4% 4,015 $338K
Mackenzie Financial Corp. 0.00% No change 3,559 $299K
Diversified Trust Co. 0.01% No change 3,510 $295K
Jain Global LLC 0.00% New 3,401 $286K
Polymer Capital Management (US) LLC 0.05% New 3,358 $282K
Oxford Asset Management LLP 0.09% New 3,233 $272K
Meeder Asset Management Inc. 0.02% New 3,225 $271K
Cibc World Markets Corp. 0.00% Reduce -44.0% 3,096 $260K
Public Employees Retirement Association of Colorado 0.00% No change 3,018 $254K
HighTower Advisors, LLC 0.00% Reduce -14.7% 2,895 $243K
Sanctuary Advisors, LLC 0.00% Reduce -13.6% 2,640 $222K
FORA Capital, LLC 0.02% New 2,619 $220K
Ameritas Investment Partners, Inc. 0.01% No change 2,608 $219K
EntryPoint Capital, LLC 0.11% Reduce -70.9% 2,596 $218K
Grandfield & Dodd, LLC 0.01% No change 2,400 $202K
Vestcor Inc 0.01% No change 2,141 $180K
FMR LLC 0.00% Add +50.9% 1,987 $167K
Point72 Asia (Singapore) Pte. Ltd. 0.03% Add +6.6% 1,950 $164K
Nisa Investment Advisors, LLC 0.00% No change 1,762 $148K
PNC Financial Services Group, Inc. 0.00% Reduce -5.2% 1,756 $148K
Shell Asset Management Co. 0.00% Reduce -9.9% 1,170 $98K
Murphy & Mullick Capital Management Corp 0.06% No change 962 $77K
HM Payson & Co. 0.00% No change 909 $76K
KBC Group NV 0.00% Reduce -30.4% 860 $72K
State of Wyoming 0.01% Add +27.6% 801 $67K
MAI Capital Management 0.00% Add +4.6% 794 $67K
Smartleaf Asset Management LLC 0.01% Reduce -47.5% 751 $63K
Blue Trust, Inc. 0.00% Add +38.3% 672 $57K
Sterling Capital Management LLC 0.00% Add +661.2% 647 $54K
Signaturefd, LLC 0.00% Reduce -9.6% 604 $51K
Danske Bank A/S 0.00% Add +100.0% 600 $50K
EverSource Wealth Advisors, LLC 0.00% Add +1159.5% 529 $44K
DekaBank Deutsche Girozentrale 0.00% No change 515 $43K
Caitong International Asset Management Co., Ltd 0.03% Reduce -61.3% 496 $42K
Allworth Financial LP 0.00% Add +2.0% 449 $38K
Tsfg, LLC 0.01% No change 370 $31K
Covestor Ltd 0.02% Reduce -66.3% 333 $28K
BNP PARIBAS ASSET MANAGEMENT Holding S.A. 0.00% New 332 $28K
Osaic Holdings, Inc. 0.00% Reduce -53.1% 280 $24K
GAMMA Investing LLC 0.00% Reduce -35.6% 228 $19K
Jones Financial Companies LLLP 0.00% Reduce -5.4% 209 $18K
Crews Bank & Trust 0.00% No change 200 $17K
Westside Investment Management, Inc. 0.00% No change 199 $17K
Barrow Hanley Mewhinney & Strauss LLC 0.00% New 157 $13K
Farther Finance Advisors, LLC 0.00% Reduce -8.2% 135 $11K
Versant Capital Management, Inc 0.00% Add +200.0% 114 $10K
Arax Advisory Partners 0.00% Reduce -36.4% 105 $9K
Rise Advisors, LLC 0.00% No change 103 $9K
Essential Partners LLC 0.00% — 102 $9K
Clearstead Advisors, LLC 0.00% Reduce -35.5% 98 $8K
UMB Bank, n.a. 0.00% Add +20.3% 89 $7K
Harbor Capital Advisors, Inc. 0.00% Add +20.8% 87 $7K
Bessemer Group Inc. 0.00% Reduce -80.5% 87 $7K
Harbour Investments, Inc. 0.00% No change 67 $6K
Private Wealth Asset Management, LLC 0.00% No change 63 $5K
Fifth Third Bancorp 0.00% Add +31.9% 62 $5K
True Wealth Design, LLC 0.00% New 59 $5K
IFP Advisors, Inc 0.00% Add +168.2% 59 $5K
Optiver Holding B.V. 0.00% Reduce -36.7% 50 $4K
Private Wealth Management Group, LLC 0.00% New 43 $4K
Mitsubishi UFJ Asset Management Co., Ltd. 0.00% No change 42 $4K
Rothschild Investment LLC 0.00% Add +40.0% 35 $3K
Parallel Advisors, LLC 0.00% Reduce -68.0% 32 $3K
Hantz Financial Services, Inc. 0.00% New 20 $2K
Parkside Financial Bank & Trust 0.00% Add +64.3% 23 $2K
Brooklyn Investment Group 0.00% Add +1000.0% 22 $2K
Quarry LP 0.00% New 21 $2K
Geneos Wealth Management Inc. 0.00% Reduce -63.2% 21 $2K
Farmers & Merchants Investments Inc. 0.00% No change 18 $2K
Larson Financial Group LLC 0.00% Add +433.3% 16 $1K
Hemington Wealth Management 0.00% Reduce -53.3% 14 $1K
NewSquare Capital LLC 0.00% New 10 $841
First Horizon Advisors, Inc. 0.00% Reduce -85.5% 9 $757
WPG Advisers, LLC 0.00% Reduce -11.1% 8 $673
Fortitude Family Office, LLC 0.00% New 6 $505
Bare Financial Services, Inc 0.00% Reduce -66.7% 6 $505
Kestra Investment Management, LLC 0.00% Reduce -68.4% 6 $505
DiNuzzo Private Wealth, Inc. 0.00% No change 4 $337
JFS Wealth Advisors, LLC 0.00% Reduce -85.0% 3 $253
Huntington National Bank 0.00% No change 3 $252
Assetmark, Inc. 0.00% No change 3 $252
Abound Wealth Management 0.00% No change 2 $169
HFM Investment Advisors, LLC 0.00% Add +100.0% 2 $168
Rialto Wealth Management, LLC 0.00% New 1 $85
Parkworth Wealth Management, Inc. 0.00% No change 1 $84
SBI Securities Co., Ltd. 0.00% No change 1 $84

"% of holder's portfolio" is IOSP's weight in each manager's 13F, not the share of Innospec Inc. the manager owns.