InnospecIOSP

13F holders, Q2 2026 (June 30)
281holders +15
42new positions
27sold out
6famous investors
$81.40avg. 13F price*

At the end of Q2 2026, 281 institutions reported holding Innospec Inc. (IOSP) in their 13F filings, up 15 from Q1 2026. 42 opened new positions and 27 sold out. The largest holders were BlackRock, Inc. ($356.6M), Allspring Global Investments Holdings, LLC ($154.7M) and Vanguard Portfolio Management LLC ($153.4M). 6 famous investors held it, including Jim Simons / Peter Brown (0.0% of Renaissance Technologies's portfolio), Cliff Asness (0.0% of AQR Capital Management'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 2026 → Q2 2026

InstitutionsTotal Value
New Positions42$30.2M
Exits27$25.3M

All 13F filers, Q1 2026 → Q2 2026: 2,477,729 shares bought and 2,789,420 shares sold, net −311,691 shares. Counts holders who added, trimmed, opened or closed a position; split-adjusted.

Ownership 281 holders

BlackRock, Inc. 0.01% Add +12.9% 4,381,323 $356.6M
Allspring Global Investments Holdings, LLC 0.24% Reduce -18.3% 1,892,471 $154.7M
Vanguard Portfolio Management LLC 0.01% Add +1.3% 1,884,244 $153.4M
Dimensional Fund Advisors LP 0.02% Add +5.1% 1,305,038 $106.2M
Vanguard Capital Management LLC 0.00% Reduce -0.6% 1,108,107 $90.2M
State Street Corp. 0.00% Add +3.3% 996,027 $81.1M
Nuveen, LLC 0.01% Add +17.5% 755,723 $61.5M
Geode Capital Management, LLC 0.00% Add +5.7% 666,589 $54.3M
Goldman Sachs Group Inc. 0.01% Add +34.6% 662,210 $53.9M
Victory Capital Management Inc. 0.03% Reduce -23.7% 660,110 $53.7M
Two Sigma Investments, LP 0.04% Reduce -4.1% 568,709 $46.3M
AQR Capital Management 0.01% Add +54.6% 482,545 $39.3M
Brown Advisory Inc. 0.05% Add +37.8% 408,468 $33.2M
JPMorgan Chase & Co. 0.00% Reduce -13.0% 370,574 $30.0M
Charles Schwab Investment Management Inc. 0.00% Reduce -2.8% 355,658 $28.9M
Gendell Jeffrey L 0.24% Add +10.2% 324,504 $26.4M
Royce & Associates LP 0.20% Add +18.1% 308,726 $25.1M
Northern Trust Corp. 0.00% Add +6.6% 303,044 $24.7M
Qube Research & Technologies Ltd 0.03% Reduce -29.7% 285,849 $23.3M
Acadian Asset Management LLC 0.03% Add +123.6% 273,999 $22.3M
Assenagon Asset Management S.A. 0.03% Reduce -44.4% 272,782 $22.2M
Western Standard LLC 6.53% Add +4.4% 236,833 $19.3M
Bank of America Corp. 0.00% Reduce -18.9% 235,742 $19.2M
Morgan Stanley 0.00% Reduce -2.0% 230,793 $18.8M
Renaissance Technologies 0.02% Add +55.6% 185,000 $15.1M
Panagora Asset Management Inc. 0.05% Add +52.5% 182,538 $14.9M
D. E. Shaw & Co. 0.01% Reduce -42.2% 165,746 $13.5M
Vanguard Fiduciary Trust Co. 0.00% Add +1.8% 163,715 $13.3M
Sei Investments Co. 0.01% Reduce -10.4% 156,051 $12.7M
UBS Group AG 0.00% Reduce -72.8% 154,001 $12.5M
First Wilshire Securities Management Inc. 2.47% Reduce -0.7% 147,112 $12.0M
Mackenzie Financial Corp. 0.01% New 144,677 $11.8M
Bank of New York Mellon Corp 0.00% Add +4.5% 137,261 $11.2M
Hotchkis & Wiley Capital Management LLC 0.03% Add +12.4% 135,740 $11.0M
Jupiter Topco LLC 0.00% — 127,976 $10.4M
Leeward Investments, LLC - MA 0.46% Add +79.5% 125,308 $10.2M
Principal Financial Group Inc. 0.00% Reduce -1.2% 119,053 $9.7M
Russell Investments Group, Ltd. 0.01% Add +65.7% 118,614 $9.6M
Invesco Ltd. 0.00% Add +0.3% 118,427 $9.6M
ZWJ Investment Counsel Inc. 0.29% Add +4.5% 108,502 $8.8M
Creative Planning 0.01% Add +176.9% 104,224 $8.5M
Citadel Advisors 0.00% Reduce -55.4% 98,549 $8.0M
Deprince Race & Zollo Inc. 0.13% Add +37.2% 93,348 $7.6M
First Trust Advisors LP 0.00% Add +617.6% 91,252 $7.4M
Teacher Retirement System of Texas 0.02% Reduce -17.1% 85,463 $7.0M
Public Sector Pension Investment Board 0.02% Reduce -4.6% 84,577 $6.9M
HRT Financial LP 0.01% Reduce -32.5% 84,349 $6.9M
Mutual of America Capital Management LLC 0.07% Reduce -5.2% 82,920 $6.7M
FMR LLC 0.00% Add +59.8% 82,759 $6.7M
ProShare Advisors LLC 0.01% Reduce -9.6% 81,232 $6.6M
UBS AM, a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC 0.00% Reduce -1.3% 73,457 $6.0M
SG Capital Management LLC 0.52% New 71,022 $5.8M
Numerai GP LLC 0.45% Reduce -12.6% 66,931 $5.4M
Rhumbline Advisers 0.00% Reduce -8.6% 65,055 $5.3M
Trexquant Investment LP 0.03% Reduce -22.8% 60,528 $4.9M
Balyasny Asset Management L.P. 0.01% New 59,751 $4.9M
Legal & General Group Plc 0.00% Reduce -0.5% 58,841 $4.8M
American Century Companies Inc. 0.00% Reduce -0.3% 55,093 $4.5M
Ameriprise Financial Inc. 0.00% Reduce -3.6% 54,517 $4.4M
Swiss National Bank 0.00% Add +1.8% 49,903 $4.1M
Ieq Capital, LLC 0.02% Add +13.5% 45,343 $3.7M
Healthcare of Ontario Pension Plan Trust Fund 0.01% Reduce -28.7% 43,995 $3.6M
Point72 Asset Management 0.01% Reduce -74.4% 42,648 $3.5M
Atom Investors LP 0.30% Add +0.2% 40,870 $3.3M
BNP Paribas Financial Markets 0.00% Add +4.1% 39,514 $3.2M
Dark Forest Capital Management LP 0.20% Add +51.5% 38,862 $3.2M
Franklin Resources Inc. 0.00% Add +15.7% 38,748 $3.2M
Intech Investment Management LLC 0.03% Reduce -14.8% 38,292 $3.1M
SG Americas Securities, LLC 0.00% Reduce -38.1% 37,665 $3.1M
T. Rowe Price Associates Inc. 0.00% Add +17.3% 37,345 $3.0M
Arrowstreet Capital, Limited Partnership 0.00% Add +88.5% 34,876 $2.8M
CM Management, LLC 1.65% Add +33.3% 32,000 $2.6M
Voloridge Investment Management, LLC 0.01% Reduce -70.5% 31,857 $2.6M
Cerity Partners LLC 0.00% Add +39.1% 31,315 $2.5M
PDT Partners, LLC 0.13% Reduce -9.8% 31,176 $2.5M
Wells Fargo & Company 0.00% Add +71.5% 30,221 $2.5M
Edgestream Partners, L.P. 0.07% Reduce -14.7% 29,208 $2.4M
Huber Capital Management LLC 0.35% Add +15.9% 29,148 $2.4M
Ingalls & Snyder LLC 0.06% No change 28,927 $2.4M
California State Teachers Retirement System 0.00% Add +0.9% 27,765 $2.3M
Deutsche Bank AG 0.00% Add +21.2% 27,565 $2.2M
Mariner, LLC 0.00% Add +36.7% 26,935 $2.2M
Voya Investment Management LLC 0.00% Add +3.3% 25,915 $2.1M
Citigroup Inc. 0.00% Add +8.0% 25,692 $2.1M
Alliancebernstein L.P. 0.00% Add +8.0% 28,622 $2.1M
Prudential Financial Inc. 0.00% Add +1.0% 25,529 $2.1M
Barclays PLC 0.00% Add +16.6% 24,713 $2.0M
ExodusPoint Capital Management, LP 0.02% New 23,810 $1.9M
HSBC Holdings PLC 0.00% Reduce -6.5% 23,693 $1.9M
Holocene Advisors, LP 0.00% Reduce -10.3% 23,760 $1.9M
Moran Wealth Management, LLC 0.05% Reduce -12.6% 23,639 $1.9M
Connors Investor Services Inc. 0.16% Reduce -29.4% 23,363 $1.9M
KLP Kapitalforvaltning As 0.01% No change 23,300 $1.9M
Marshall Wace, LLP 0.00% Reduce -31.2% 23,075 $1.9M
Wedge Capital Management L L P 0.03% Reduce -5.3% 20,329 $1.7M
XTX Topco Ltd 0.02% Reduce -44.4% 20,188 $1.6M
Linden Thomas Advisory Services, LLC 0.13% Add +67.8% 19,815 $1.6M
VANGUARD ASSET MANAGEMENT, Ltd 0.00% Add +13.2% 19,560 $1.6M
CANADA LIFE ASSURANCE Co 0.00% Reduce -3.9% 19,508 $1.6M
Blackstone Inc. 0.01% New 19,163 $1.6M
Brevan Howard Capital Management LP 0.02% Reduce -28.2% 17,540 $1.4M
State of New Jersey Common Pension Fund D 0.00% Reduce -38.7% 17,315 $1.4M
Thrivent Financial for Lutherans 0.00% Reduce -2.2% 16,174 $1.3M
Y-Intercept (Hong Kong) Ltd 0.02% Reduce -55.5% 14,815 $1.2M
MetLife Investment Management, LLC 0.01% Add +4.1% 14,712 $1.2M
Mercer Global Advisors Inc. 0.00% Add +72.8% 14,522 $1.2M
Gsa Capital Partners LLP 0.07% Reduce -32.4% 14,271 $1.2M
Wealth Enhancement Advisory Services, LLC 0.00% Add +73.2% 13,679 $1.1M
Schonfeld Strategic Advisors LLC 0.01% Reduce -49.4% 13,276 $1.1M
Centiva Capital, LP 0.04% Reduce -38.9% 13,234 $1.1M
Illinois Municipal Retirement Fund 0.01% Reduce -5.9% 13,043 $1.1M
Diversified Trust Co. 0.02% Add +134.8% 12,625 $1.0M
Manufacturers Life Insurance Company, The 0.00% Add +7.7% 12,070 $982K
Round Hill Asset Management 0.61% No change 11,974 $975K
Fifth Third Bancorp 0.00% Reduce -6.6% 11,654 $949K
MIRAE ASSET GLOBAL ETFS HOLDINGS Ltd. 0.00% Reduce -0.2% 11,617 $946K
NewEdge Advisors, LLC 0.00% Add +30.9% 11,286 $919K
Jacobs Levy Equity Management, Inc. 0.00% Reduce -5.7% 10,959 $892K
New York State Teachers Retirement System 0.00% Add +26.3% 10,930 $890K
Louisiana State Employees Retirement System 0.01% Reduce -1.8% 10,800 $879K
Squarepoint Ops LLC 0.00% Reduce -37.0% 10,379 $845K
Horizon Investments, LLC 0.01% Add +2.1% 10,167 $827K
EntryPoint Capital, LLC 0.20% No change 9,993 $813K
Capstone Investment Advisors, LLC 0.01% Reduce -36.6% 9,993 $813K
State of Tennessee, Department of Treasury 0.00% Reduce -24.2% 9,756 $794K
Vanguard Global Advisers, LLC 0.00% Reduce -4.7% 9,331 $759K
State of Alaska, Department of Revenue 0.01% Reduce -31.4% 9,243 $752K
Quadrature Capital Ltd 0.01% Reduce -28.2% 8,972 $730K
New York State Common Retirement Fund 0.00% No change 8,911 $725K
Quantinno Capital Management LP 0.00% Add +58.9% 8,906 $725K
Entropy Technologies, LP 0.03% Reduce -56.2% 8,739 $711K
Universal- Beteiligungs- und Servicegesellschaft mbH 0.00% Add +90.1% 8,605 $700K
Inspire Investing, LLC 0.03% Add +18.0% 8,302 $676K
Captrust Financial Advisors 0.00% Add +125.4% 8,113 $660K
Magnetar Financial LLC 0.01% New 8,039 $654K
Police & Firemen's Retirement System of New Jersey 0.00% Add +7.7% 7,489 $610K
Freestone Grove Partners LP 0.00% Reduce -31.6% 7,189 $585K
Arizona State Retirement System 0.00% Add +0.9% 6,868 $559K
State Board of Administration of Florida Retirement System 0.00% No change 6,727 $548K
Amalgamated Bank 0.00% Reduce -7.0% 6,632 $540K
Yousif Capital Management, LLC 0.01% Reduce -0.8% 6,568 $535K
Zurcher Kantonalbank (Zurich Cantonalbank) 0.00% No change 6,419 $522K
Engineers Gate Manager LP 0.01% Reduce -90.2% 6,340 $516K
Teachers Retirement System of the State of Kentucky 0.00% No change 6,230 $507K
Man Group plc 0.00% Reduce -24.0% 6,151 $501K
Commonwealth of Pennsylvania Public School Empls Retrmt SYS 0.00% Reduce -4.7% 5,841 $475K
State of Wisconsin Investment Board 0.00% New 5,688 $463K
Guggenheim Capital LLC 0.00% Reduce -15.5% 5,614 $457K
Oregon Public Employees Retirement Fund 0.00% Reduce -0.7% 5,591 $455K
Jump Financial, LLC 0.00% Reduce -79.0% 5,500 $448K
Jain Global LLC 0.01% New 5,413 $441K
Vanguard Investments Australia, Ltd. 0.00% Reduce -32.0% 5,396 $439K
LPL Financial LLC 0.00% Add +5.6% 5,186 $422K
Keybank National Association 0.00% Reduce -10.3% 5,006 $407K
Gotham Asset Management 0.00% Reduce -36.8% 4,848 $395K
Pictet Asset Management Holding SA 0.00% No change 4,708 $383K
Headlands Technologies LLC 0.04% Add +31.6% 4,632 $377K
Indivisible Partners 0.02% Add +9.4% 4,233 $345K
Cetera Investment Advisers 0.00% Reduce -27.7% 3,845 $313K
Focus Partners Wealth 0.00% New 3,783 $308K
Merit Financial Group, LLC 0.00% New 3,758 $306K
Vise Technologies, Inc. 0.00% New 3,650 $297K
Aigen Investment Management, LP 0.08% Reduce -44.6% 3,647 $297K
MQS Management LLC 0.36% Reduce -0.5% 3,643 $297K
Susquehanna International Group, LLP 0.00% Reduce -65.5% 3,615 $294K
Amundi 0.00% Reduce -59.8% 3,565 $290K
Maryland State Retirement & Pension System 0.01% Reduce -1.4% 3,560 $290K
Tidal Investments LLC 0.00% Reduce -13.6% 3,330 $271K
Brighton Jones LLC 0.00% New 3,235 $263K
Public Employees Retirement Association of Colorado 0.00% No change 3,018 $246K
James Investment Research, Inc. 0.02% No change 3,015 $245K
Arax Advisory Partners 0.00% Add +894.7% 3,014 $245K
iSAM Funds (UK) Ltd 0.17% Reduce -23.5% 3,000 $244K
MAI Capital Management 0.00% Add +89.8% 2,991 $243K
Corient Private Wealth LP 0.00% New 2,982 $243K
Neuberger Berman Group LLC 0.00% New 2,718 $221K
BNP PARIBAS ASSET MANAGEMENT Holding S.A. 0.00% Add +323.5% 2,609 $212K
Bell & Brown Wealth Advisors, LLC 0.06% Reduce -47.5% 2,609 $212K
Prelude Capital Management, LLC 0.02% New 2,587 $211K
Ethic Inc. 0.00% Reduce -58.1% 2,551 $208K
Sequoia Financial Advisors, LLC 0.00% New 2,540 $207K
Bank of Montreal 0.00% New 2,515 $205K
Xponance LLC 0.00% New 2,512 $204K
Ameritas Investment Partners, Inc. 0.01% Add +9.1% 2,289 $186K
Tower Research Capital LLC (TRC) 0.00% Add +15.6% 2,198 $179K
Jones Financial Companies LLLP 0.00% Add +70.5% 1,901 $157K
Nisa Investment Advisors, LLC 0.00% Reduce -15.7% 1,601 $130K
Centaurus Financial, Inc. 0.00% New 1,444 $118K
Royal Bank of Canada 0.00% Add +85.5% 1,382 $112K
Allworth Financial LP 0.00% Add +40.9% 1,310 $107K
Macquarie Group Ltd. 0.00% New 1,270 $103K
Smartleaf Asset Management LLC 0.00% No change 1,229 $99K
PNC Financial Services Group, Inc. 0.00% Add +11.9% 1,207 $98K
Ensign Peak Advisors, Inc 0.00% Reduce -12.4% 1,059 $86K
Nykredit A/S 0.00% — 996 $81K
Aster Capital Management (DIFC) Ltd 0.02% Reduce -40.8% 965 $79K
Murphy & Mullick Capital Management Corp 0.05% No change 962 $78K
KBC Group NV 0.00% No change 860 $70K
Covestor Ltd 0.04% Add +254.7% 837 $69K
Eurizon Capital SGR S.p.A. 0.00% No change 804 $65K
Signaturefd, LLC 0.00% Reduce -4.2% 774 $63K
Public Employees Retirement System of Ohio 0.00% Add +11.1% 763 $62K
Hantz Financial Services, Inc. 0.00% Add +79.3% 753 $61K
EverSource Wealth Advisors, LLC 0.00% Add +3.9% 746 $61K
Pinnacle Wealth Planning Services, Inc. 0.01% Add +2.4% 724 $59K
GAMMA Investing LLC 0.00% Add +5.4% 545 $44K
Sterling Capital Management LLC 0.00% Reduce -35.6% 508 $41K
HM Payson & Co. 0.00% Reduce -45.0% 500 $41K
DekaBank Deutsche Girozentrale 0.00% No change 515 $37K
Versant Capital Management, Inc 0.00% Add +36.1% 452 $37K
Meeder Asset Management Inc. 0.00% No change 438 $36K
CDKV Holdings LLC 0.03% No change 400 $33K
Nomura Asset Management Co. Ltd. 0.00% No change 370 $30K
Tsfg, LLC 0.00% No change 370 $30K
Farther Finance Advisors, LLC 0.00% Add +94.4% 348 $28K
Quarry LP 0.00% Add +3.1% 333 $27K
Vanguard National Trust Co 0.00% No change 290 $24K
Global Retirement Partners, LLC 0.00% — 286 $23K
Osaic Holdings, Inc. 0.00% Reduce -5.0% 282 $23K
IFP Advisors, Inc 0.00% Add +161.3% 277 $23K
Essential Partners LLC 0.01% Add +5.0% 252 $21K
Optiver Holding B.V. 0.00% Add +660.0% 228 $19K
Rothschild Investment LLC 0.00% Add +12.6% 205 $17K
Salomon & Ludwin, LLC 0.00% New 200 $16K
Crews Bank & Trust 0.00% No change 200 $16K
Rockefeller Capital Management L.P. 0.00% Reduce -34.3% 195 $16K
Kemnay Advisory Services Inc. 0.00% New 181 $15K
Zions Bancorporation, National Association 0.00% No change 177 $14K
Bessemer Group Inc. 0.00% Add +46.7% 154 $13K
Barrow Hanley Mewhinney & Strauss LLC 0.00% No change 157 $13K
US Bancorp \de 0.00% Add +14.1% 154 $13K
True Wealth Design, LLC 0.00% Add +130.4% 129 $11K
Parallel Advisors, LLC 0.00% Reduce -23.2% 129 $10K
Basecamp Wealth Advisors LLC 0.00% Add +31.9% 120 $10K
SJS Investment Consulting Inc. 0.00% Add +157.8% 116 $9K
Kilter Group LLC 0.00% No change 106 $9K
STRS Ohio 0.00% No change 100 $8K
Harbor Capital Advisors, Inc. 0.00% Reduce -22.6% 103 $8K
Clearstead Advisors, LLC 0.00% New 87 $7K
Quantbot Technologies LP 0.00% Reduce -99.0% 83 $7K
UMB Bank, n.a. 0.00% Add +17.5% 67 $5K
Private Wealth Asset Management, LLC 0.00% No change 63 $5K
Bare Financial Services, Inc 0.00% Add +252.9% 60 $5K
Wealth Enhancement Trust Services, Inc. 0.00% New 46 $4K
Mitsubishi UFJ Asset Management Co., Ltd. 0.00% No change 42 $3K
Cedar Mountain Advisors, LLC 0.00% No change 39 $3K
CVA Family Office, LLC 0.00% Add +25.0% 35 $3K
High Note Wealth, LLC 0.00% Add +19.2% 31 $3K
MassMutual Private Wealth & Trust, FSB 0.00% No change 29 $2K
Keating Financial Advisory Services, Inc. 0.00% Add +180.0% 28 $2K
JFS Wealth Advisors, LLC 0.00% Add +27.8% 23 $2K
Noble Wealth Management PBC 0.00% New 19 $2K
Fortitude Family Office, LLC 0.00% Reduce -10.0% 18 $1K
Rialto Wealth Management, LLC 0.00% Add +466.7% 17 $1K
Northwestern Mutual Wealth Management Co. 0.00% New 17 $1K
TD Private Client Wealth LLC 0.00% New 17 $1K
Farmers & Merchants Investments Inc. 0.00% Reduce -16.7% 15 $1K
Fiduciary Financial Advisors 0.00% New 10 $814
Creative Capital Management Investments LLC 0.00% New 9 $733
First Horizon Corp. 0.00% No change 9 $733
Institute for Wealth Management, LLC. 0.00% New 8 $679
WPG Advisers, LLC 0.00% Add +60.0% 8 $651
Harbour Investments, Inc. 0.00% No change 8 $651
HFM Investment Advisors, LLC 0.00% Add +250.0% 7 $570
Plante Moran Financial Advisors, LLC 0.00% New 6 $488
JPL Wealth Management, LLC 0.00% New 5 $407
DiNuzzo Private Wealth, Inc. 0.00% No change 5 $407
Ankerstar Wealth, LLC 0.00% No change 4 $326
Gilpin Wealth Management, LLC 0.00% No change 4 $326
Rossby Financial, LCC 0.00% New 3 $244
Bay Harbor Wealth Management, LLC 0.00% Add +100.0% 2 $163
Fulcrum Asset Management LLP 0.00% New 2 $161
DecisionPoint Financial, LLC 0.00% New 1 $82
Raffa Wealth Management, LLC 0.00% New 1 $81
Davis Capital Management 0.00% New 1 $81
SBI Securities Co., Ltd. 0.00% No change 1 $81
CoreCap Advisors, LLC 0.00% New 1 $81
LRI Investments, LLC 0.00% New 1 $81
Avion Wealth 0.00% New 6 $0
Evolution Advisers, Inc. 0.00% New 2 $0
Navigoe, LLC 0.00% New 2 $0

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