InnospecIOSP

13F holders, Q1 2025 (March 31)
272holders +10
40new positions
32sold out
8famous investors
$93.60avg. 13F price*

At the end of Q1 2025, 272 institutions reported holding Innospec Inc. (IOSP) in their 13F filings, up 10 from Q4 2024. 40 opened new positions and 32 sold out. The largest holders were BlackRock, Inc. ($355.1M), Vanguard Group Inc. ($304.2M) and Allspring Global Investments Holdings, LLC ($227.4M). 8 famous investors held it, including Jim Simons / Peter Brown (0.0% of Renaissance Technologies's portfolio), Israel Englander (0.0% of Millennium 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 Q4 2024 → Q1 2025

InstitutionsTotal Value
New Positions40$65.1M
Exits32$91.0M

All 13F filers, Q4 2024 → Q1 2025: 3,173,453 shares bought and 2,872,869 shares sold, net +300,584 shares. Counts holders who added, trimmed, opened or closed a position; split-adjusted.

Ownership 272 holders

BlackRock, Inc. 0.01% Reduce -4.1% 3,747,726 $355.1M
Vanguard Group Inc. 0.01% Add +0.9% 3,210,768 $304.2M
Allspring Global Investments Holdings, LLC 0.39% Add +0.8% 2,404,825 $227.4M
Dimensional Fund Advisors LP 0.03% Reduce -0.1% 1,158,017 $109.7M
Victory Capital Management Inc. 0.11% Add +20.0% 1,106,482 $104.8M
State Street Corp. 0.00% Reduce -2.3% 1,011,441 $95.8M
First Trust Advisors LP 0.08% Add +107.5% 892,153 $84.5M
Geode Capital Management, LLC 0.01% Add +1.9% 705,135 $66.8M
Royce & Associates LP 0.67% Reduce -15.9% 653,636 $61.9M
Wasatch Advisors LP 0.28% Reduce -66.6% 528,144 $50.0M
Janus Henderson Group PLC 0.02% Add +1.4% 474,518 $45.2M
Nuveen, LLC 0.01% — 453,465 $43.0M
Westwood Holdings Group Inc. 0.28% Add +28.3% 382,410 $36.2M
Charles Schwab Investment Management Inc. 0.01% Add +0.6% 354,706 $33.6M
Brown Advisory Inc. 0.04% New 329,415 $31.2M
Voya Investment Management LLC 0.04% Add +63.2% 327,289 $31.0M
Northern Trust Corp. 0.00% Reduce -2.8% 318,306 $30.2M
JPMorgan Chase & Co. 0.00% Reduce -12.7% 273,012 $25.9M
Invesco Ltd. 0.00% Reduce -44.7% 249,877 $23.7M
Bank of America Corp. 0.00% Add +4.4% 243,686 $23.1M
Morgan Stanley 0.00% Add +0.6% 239,195 $22.7M
Bank of New York Mellon Corp 0.00% Reduce -3.7% 228,739 $21.7M
Voloridge Investment Management, LLC 0.07% Add +347.0% 189,786 $18.0M
Raymond James Financial Inc. 0.01% Reduce -1.9% 187,216 $17.7M
Qube Research & Technologies Ltd 0.03% Add +91.3% 178,217 $16.9M
Millennium Management 0.02% Add +8176.5% 170,414 $16.1M
Financial Harvest, LLC 10.42% New 433,843 $12.6M
Principal Financial Group Inc. 0.01% Add +2.4% 132,493 $12.6M
Goldman Sachs Group Inc. 0.00% Add +6.4% 132,399 $12.5M
Cubist Systematic Strategies, LLC 0.16% Add +198.8% 130,427 $12.4M
Renaissance Technologies 0.02% Add +2543.8% 126,900 $12.0M
Norges Bank 0.00% Add +2.8% 105,689 $10.0M
UBS AM, a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC 0.00% Add +14.3% 101,773 $9.6M
D. E. Shaw & Co. 0.01% Add +160.5% 99,076 $9.4M
Segall Bryant & Hamill, LLC 0.14% Reduce -2.7% 97,941 $9.3M
Jane Street Group, LLC 0.02% Add +1551.5% 95,243 $9.0M
UBS Group AG 0.00% Reduce -3.3% 81,865 $7.8M
Public Sector Pension Investment Board 0.03% Add +27.4% 79,121 $7.5M
Panagora Asset Management Inc. 0.04% Add +0.0% 79,098 $7.5M
Kirr Marbach & Co. LLC 1.74% Add +1.8% 79,066 $7.5M
Two Sigma Investments, LP 0.02% Add +495.6% 78,446 $7.4M
Rhumbline Advisers 0.01% Add +9.3% 77,760 $7.4M
Gendell Jeffrey L 0.32% Reduce -19.0% 77,247 $7.3M
Leeward Investments, LLC - MA 0.39% Reduce -4.5% 76,439 $7.2M
Citadel Advisors 0.01% Add +195.6% 75,144 $7.1M
Edgestream Partners, L.P. 0.23% Add +436.8% 70,039 $6.6M
Huber Capital Management LLC 1.23% Add +40.3% 68,935 $6.5M
Legal & General Group Plc 0.00% Reduce -4.1% 68,730 $6.5M
Ameriprise Financial Inc. 0.00% Reduce -5.0% 66,087 $6.3M
Hotchkis & Wiley Capital Management LLC 0.02% Reduce -1.2% 60,545 $5.7M
Trexquant Investment LP 0.07% Add +196.3% 60,346 $5.7M
Wells Fargo & Company 0.00% Reduce -4.5% 53,216 $5.0M
Sei Investments Co. 0.01% Reduce -65.1% 48,601 $4.6M
Swiss National Bank 0.00% Reduce -1.6% 48,303 $4.6M
American Century Companies Inc. 0.00% Add +27.7% 47,545 $4.5M
ZWJ Investment Counsel Inc. 0.18% Add +6.6% 46,311 $4.4M
Moran Wealth Management, LLC 0.14% Reduce -6.5% 45,025 $4.3M
Bridgeway Capital Management, LLC 0.10% No change 43,800 $4.2M
Citigroup Inc. 0.00% Add +18.2% 41,577 $3.9M
Two Sigma Advisers, LP 0.01% Add +279.2% 38,300 $3.6M
Thrivent Financial for Lutherans 0.01% Reduce -2.6% 36,499 $3.5M
Barclays PLC 0.00% Reduce -20.1% 36,487 $3.5M
Balyasny Asset Management L.P. 0.01% New 36,001 $3.4M
Susquehanna International Group, LLP 0.01% Add +195.0% 34,303 $3.3M
Engineers Gate Manager LP 0.05% Add +828.5% 31,235 $3.0M
Bahl & Gaynor LLC 0.01% Reduce -13.9% 30,943 $2.9M
Prudential Financial Inc. 0.00% Reduce -3.8% 24,399 $2.9M
Royal Bank of Canada 0.00% Reduce -2.5% 30,267 $2.9M
Burney Co./ 0.10% Add +7.3% 29,445 $2.8M
CANADA LIFE ASSURANCE Co 0.00% Reduce -7.2% 28,975 $2.7M
Ingalls & Snyder LLC 0.09% Add +0.2% 28,927 $2.7M
Algert Global LLC 0.07% Reduce -15.7% 28,858 $2.7M
Alliancebernstein L.P. 0.00% No change 28,353 $2.7M
Envestnet Asset Management Inc. 0.00% Add +2.3% 28,194 $2.7M
Franklin Resources Inc. 0.00% Add +0.8% 26,999 $2.6M
Jacobs Levy Equity Management, Inc. 0.01% Reduce -4.3% 26,192 $2.5M
Nebula Research & Development LLC 0.21% Add +108.2% 24,299 $2.3M
California State Teachers Retirement System 0.00% Reduce -1.9% 22,883 $2.2M
Intech Investment Management LLC 0.02% Add +30.7% 22,023 $2.1M
Connors Investor Services Inc. 0.20% Reduce -1.1% 21,613 $2.0M
T. Rowe Price Associates Inc. 0.00% Add +4.3% 20,873 $2.0M
Occudo Quantitative Strategies LP 0.26% Add +333.2% 20,632 $2.0M
Vest Financial, LLC 0.03% New 20,379 $1.9M
Deutsche Bank AG 0.00% Reduce -10.3% 19,710 $1.9M
HRT Financial LP 0.01% New 19,193 $1.8M
State of New Jersey Common Pension Fund D 0.01% Add +5.4% 18,968 $1.8M
State of Tennessee, Department of Treasury 0.01% Add +3.1% 16,582 $1.6M
Quantbot Technologies LP 0.05% New 15,996 $1.5M
Point72 Asset Management 0.00% Add +543.3% 15,600 $1.5M
Pathstone Holdings, LLC 0.01% Reduce -4.0% 15,342 $1.5M
MIRAE ASSET GLOBAL ETFS HOLDINGS Ltd. 0.00% Add +4.5% 14,833 $1.4M
MetLife Investment Management, LLC 0.01% Reduce -3.3% 14,730 $1.4M
AQR Capital Management 0.00% Reduce -9.8% 14,318 $1.4M
Verition Fund Management LLC 0.01% Add +494.2% 14,208 $1.3M
State of Alaska, Department of Revenue 0.01% Reduce -2.3% 13,821 $1.3M
Manufacturers Life Insurance Company, The 0.00% Add +4.0% 13,765 $1.3M
Tudor Investment Corporation 0.01% New 13,315 $1.3M
Illinois Municipal Retirement Fund 0.02% Reduce -1.6% 13,218 $1.3M
Cerity Partners LLC 0.00% Reduce -0.2% 13,218 $1.3M
Corebridge Financial, Inc. 0.01% Reduce -1.9% 13,018 $1.2M
Healthcare of Ontario Pension Plan Trust Fund 0.00% No change 13,000 $1.2M
Public Employees Retirement System of Ohio 0.00% Reduce -16.1% 12,981 $1.2M
New York State Teachers Retirement System 0.00% Reduce -15.3% 12,696 $1.2M
XTX Topco Ltd 0.06% New 12,545 $1.2M
QSV Equity Investors LLC 1.21% Reduce -0.2% 12,307 $1.2M
Round Hill Asset Management 0.82% No change 11,974 $1.1M
Linden Thomas Advisory Services, LLC 0.15% Reduce -0.3% 11,926 $1.1M
Louisiana State Employees Retirement System 0.02% Reduce -3.3% 11,700 $1.1M
AMG National Trust Bank 0.03% Add +0.2% 11,614 $1.1M
B. Metzler seel. Sohn & Co. AG 0.01% Reduce -53.8% 11,559 $1.1M
Ensign Peak Advisors, Inc 0.00% No change 11,159 $1.1M
ExodusPoint Capital Management, LP 0.01% New 10,963 $1.0M
LPL Financial LLC 0.00% Add +12.4% 10,776 $1.0M
Brevan Howard Capital Management LP 0.03% Add +42.8% 10,709 $1.0M
Tredje AP-fonden 0.01% No change 10,499 $995K
Aquatic Capital Management LLC 0.03% Add +1583.6% 10,371 $983K
Dynamic Technology Lab Private Ltd 0.14% New 10,185 $965K
Amundi 0.00% Reduce -18.3% 10,638 $941K
Walleye Capital LLC 0.01% New 9,451 $895K
Yousif Capital Management, LLC 0.01% Reduce -2.5% 9,234 $875K
EntryPoint Capital, LLC 0.39% Add +146.9% 8,932 $846K
Schonfeld Strategic Advisors LLC 0.01% Add +126.2% 8,460 $802K
Comerica Bank 0.00% Reduce -2.4% 8,429 $799K
STRS Ohio 0.00% No change 8,400 $796K
James Investment Research, Inc. 0.10% No change 8,334 $790K
Virtu Financial LLC 0.04% New 8,297 $786K
Teachers Retirement System of the State of Kentucky 0.01% No change 7,854 $744K
Holocene Advisors, LP 0.00% New 7,728 $732K
New York State Common Retirement Fund 0.00% No change 7,711 $731K
Jump Financial, LLC 0.01% Add +10.3% 7,451 $706K
HSBC Holdings PLC 0.00% Add +2.9% 7,398 $700K
Centiva Capital, LP 0.04% New 7,320 $694K
Maryland State Retirement & Pension System 0.02% Reduce -13.0% 7,276 $689K
Magnetar Financial LLC 0.01% New 7,181 $680K
Arizona State Retirement System 0.00% Reduce -1.1% 7,143 $677K
Amalgamated Bank 0.01% Reduce -2.8% 7,114 $674K
State Board of Administration of Florida Retirement System 0.00% No change 6,756 $640K
Zurcher Kantonalbank (Zurich Cantonalbank) 0.00% No change 6,649 $630K
Keybank National Association 0.00% Add +21.9% 6,616 $627K
Teacher Retirement System of Texas 0.00% Reduce -89.1% 6,201 $588K
Caxton Associates LLP 0.02% — 6,182 $586K
Commonwealth of Pennsylvania Public School Empls Retrmt SYS 0.00% Add +12.1% 5,969 $566K
ProShare Advisors LLC 0.00% Reduce -21.9% 5,871 $556K
Oregon Public Employees Retirement Fund 0.01% Reduce -2.9% 5,731 $543K
Gotham Asset Management 0.00% Reduce -1.2% 5,617 $532K
Scientech Research LLC 0.14% New 5,612 $532K
Cibc World Markets Corp. 0.00% Add +137.2% 5,532 $524K
Hancock Whitney Corp. 0.02% Add +6.8% 5,435 $515K
BNP Paribas Financial Markets 0.00% Add +28.0% 5,429 $514K
Police & Firemen's Retirement System of New Jersey 0.01% No change 5,308 $503K
Creative Planning 0.00% Add +11.8% 5,307 $503K
Bell & Brown Wealth Advisors, LLC 0.19% No change 5,216 $494K
US Bancorp \de 0.00% Add +4.3% 5,082 $482K
Bank of Montreal 0.00% Reduce -22.7% 5,021 $476K
KLP Kapitalforvaltning As 0.00% No change 5,000 $474K
Russell Investments Group, Ltd. 0.00% Add +17.8% 4,995 $473K
Petrus Trust Company, LTA 0.04% New 4,839 $458K
Hudson Edge Investment Partners Inc. 0.09% Reduce -2.0% 4,823 $457K
Legacy Wealth Asset Management, LLC 0.12% Reduce -12.2% 4,750 $450K
Guggenheim Capital LLC 0.00% Add +70.1% 4,643 $440K
NewEdge Advisors, LLC 0.00% Add +37.4% 4,567 $433K
Bailard, Inc. 0.01% New 4,500 $426K
Man Group plc 0.00% Add +37.4% 4,426 $419K
Campbell & CO Investment Adviser LLC 0.03% New 4,376 $415K
Inceptionr LLC 0.12% New 4,279 $405K
Aigen Investment Management, LP 0.06% New 3,859 $366K
Two Sigma Securities, LLC 0.05% New 3,729 $353K
Pictet Asset Management Holding SA 0.00% No change 3,648 $346K
Allianz Asset Management GmbH 0.00% Reduce -27.4% 3,644 $345K
Mutual of America Capital Management LLC 0.00% Reduce -3.9% 3,633 $344K
Inspire Investing, LLC 0.04% Reduce -0.3% 3,630 $344K
Aster Capital Management (DIFC) Ltd 0.06% New 3,266 $338K
Mackenzie Financial Corp. 0.00% Add +19.5% 3,559 $337K
Diversified Trust Co. 0.01% Reduce -0.9% 3,510 $333K
HighTower Advisors, LLC 0.00% Reduce -2.9% 3,392 $321K
Stifel Financial Corp. 0.00% Reduce -3.0% 3,250 $308K
Sanctuary Advisors, LLC 0.00% Reduce -1.7% 3,056 $290K
Public Employees Retirement Association of Colorado 0.00% No change 3,018 $286K
Point72 (DIFC) Ltd 0.03% New 2,999 $284K
AlphaQuest LLC 0.03% Reduce -76.6% 2,967 $281K
Ethic Inc. 0.01% Reduce -22.9% 2,922 $276K
Acadian Asset Management LLC 0.00% Reduce -56.3% 2,864 $271K
R Squared Ltd 0.28% New 2,770 $262K
State of Wisconsin Investment Board 0.00% Add +14.7% 2,655 $252K
Ameritas Investment Partners, Inc. 0.01% No change 2,608 $247K
SG Americas Securities, LLC 0.00% Reduce -83.6% 2,575 $244K
Lido Advisors, LLC 0.00% Add +0.6% 2,482 $235K
Grandfield & Dodd, LLC 0.01% No change 2,400 $227K
DRW Securities, LLC 0.02% New 2,337 $221K
Corient Private Wealth LP 0.00% Add +0.4% 2,276 $216K
Crossmark Global Holdings, Inc. 0.00% Reduce -0.8% 2,250 $213K
Stonegate Investment Group, LLC 0.01% Reduce -0.4% 2,208 $209K
Baird Financial Group, Inc. 0.00% Add +11.4% 2,170 $206K
Vestcor Inc 0.01% No change 2,141 $203K
PNC Financial Services Group, Inc. 0.00% Reduce -0.8% 1,853 $176K
Point72 Asia (Singapore) Pte. Ltd. 0.05% Add +14.9% 1,829 $173K
Nisa Investment Advisors, LLC 0.00% Reduce -15.6% 1,762 $167K
Smartleaf Asset Management LLC 0.01% Reduce -20.7% 1,429 $136K
FMR LLC 0.00% Reduce -35.8% 1,317 $125K
Shell Asset Management Co. 0.01% Reduce -4.1% 1,298 $123K
Caitong International Asset Management Co., Ltd 0.09% New 1,282 $121K
KBC Group NV 0.00% No change 1,236 $117K
Covestor Ltd 0.06% Add +2.1% 987 $93K
Murphy & Mullick Capital Management Corp 0.09% No change 962 $91K
HM Payson & Co. 0.00% No change 909 $86K
MAI Capital Management 0.00% Add +0.4% 759 $72K
Signaturefd, LLC 0.00% Reduce -21.5% 668 $63K
Cwm, LLC 0.00% Add +6.4% 632 $60K
State of Wyoming 0.01% Reduce -68.2% 628 $60K
Osaic Holdings, Inc. 0.00% Add +16.4% 597 $57K
DekaBank Deutsche Girozentrale 0.00% No change 515 $48K
Blue Trust, Inc. 0.00% Add +12.2% 486 $46K
Bessemer Group Inc. 0.00% Reduce -99.7% 446 $43K
Allworth Financial LP 0.00% Add +4.5% 440 $40K
Quadrant Capital Group LLC 0.00% Add +80.5% 397 $38K
CIBC Private Wealth Group LLC 0.00% No change 450 $38K
Tsfg, LLC 0.01% New 370 $35K
GAMMA Investing LLC 0.00% Reduce -23.9% 354 $34K
Danske Bank A/S 0.00% No change 300 $28K
Tower Research Capital LLC (TRC) 0.00% Reduce -65.3% 280 $27K
Jones Financial Companies LLLP 0.00% Add +10.5% 221 $21K
Crews Bank & Trust 0.00% No change 200 $19K
Westside Investment Management, Inc. 0.00% No change 199 $19K
Coldstream Capital Management Inc. 0.00% New 198 $19K
Northwestern Mutual Wealth Management Co. 0.00% New 192 $18K
SVB Wealth LLC 0.00% Reduce -92.3% 166 $16K
Arax Advisory Partners 0.00% Add +24.1% 165 $16K
Clearstead Advisors, LLC 0.00% No change 152 $14K
Farther Finance Advisors, LLC 0.00% Add +4800.0% 147 $14K
Rise Advisors, LLC 0.00% New 103 $10K
Parallel Advisors, LLC 0.00% Reduce -4.8% 100 $9K
Macquarie Group Ltd. 0.00% New 97 $9K
Sterling Capital Management LLC 0.00% Reduce -39.3% 85 $8K
Optiver Holding B.V. 0.00% New 79 $7K
UMB Bank, n.a. 0.00% Add +89.7% 74 $7K
Harbor Capital Advisors, Inc. 0.00% New 72 $7K
Lindbrook Capital, LLC 0.00% Reduce -15.7% 70 $7K
Harbour Investments, Inc. 0.00% No change 67 $6K
Private Wealth Asset Management, LLC 0.00% — 63 $6K
First Horizon Advisors, Inc. 0.00% No change 62 $6K
Geneos Wealth Management Inc. 0.00% No change 57 $5K
Fifth Third Bancorp 0.00% Reduce -6.0% 47 $4K
Hexagon Capital Partners LLC 0.00% Add +4.5% 46 $4K
Mitsubishi UFJ Asset Management Co., Ltd. 0.00% No change 42 $4K
EverSource Wealth Advisors, LLC 0.00% Add +20.0% 42 $4K
Bell Investment Advisors, Inc 0.00% Add +14.3% 40 $4K
Versant Capital Management, Inc 0.00% Reduce -73.2% 38 $4K
High Note Wealth, LLC 0.00% Add +85.0% 37 $4K
Rothschild Investment LLC 0.00% Reduce -16.7% 25 $2K
IFP Advisors, Inc 0.00% No change 22 $2K
Hemington Wealth Management 0.00% Add +42.9% 30 $2K
JFS Wealth Advisors, LLC 0.00% Reduce -9.1% 20 $2K
Kestra Investment Management, LLC 0.00% New 19 $2K
Bare Financial Services, Inc 0.00% New 18 $2K
Farmers & Merchants Investments Inc. 0.00% No change 18 $2K
Parkside Financial Bank & Trust 0.00% Add +600.0% 14 $1K
Sierra Ocean, LLC 0.00% Reduce -80.0% 10 $948
Principal Securities, Inc. 0.00% No change 8 $880
WPG Advisers, LLC 0.00% Add +125.0% 9 $853
SJS Investment Consulting Inc. 0.00% Add +50.0% 6 $569
CVA Family Office, LLC 0.00% New 5 $474
Stephens Consulting, LLC 0.00% New 5 $474
DiNuzzo Private Wealth, Inc. 0.00% Reduce -20.0% 4 $379
Global Financial Private Client, LLC 0.00% Add +50.0% 3 $284
Huntington National Bank 0.00% New 3 $284
Assetmark, Inc. 0.00% No change 3 $284
Larson Financial Group LLC 0.00% No change 3 $284
Abound Wealth Management 0.00% No change 2 $190
Brooklyn Investment Group 0.00% New 2 $190
Parkworth Wealth Management, Inc. 0.00% No change 1 $95
SBI Securities Co., Ltd. 0.00% No change 1 $95
HFM Investment Advisors, LLC 0.00% — 1 $95

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