Security record
IOSP
Innospec Inc. · Basic Materials · Chemicals - Specialty
97Tracked holders
+1Δ holders
19.35MShares held
$1.58BReported value
+7New positions
−6Exits
Momentum inputs (comparable managers):
holder breadth +1.0% ·
share flow -0.6% ·
net new positions +1.0%
— formula
Ownership fragmentation — more holders, smaller aggregate stake
All ownership figures: tracked 13F managers only, common-stock positions, reporting period Q2 2026
Ownership over time
| Quarter | Holders | Δ | Shares | Reported value | New | Exits |
|---|---|---|---|---|---|---|
| Q2 2026 | 97 | +1 | 19.35M | $1.58B | +7 | −6 |
| Q1 2026 | 99 | +4 | 19.64M | $1.44B | +8 | −5 |
| Q4 2025 | 96 | +2 | 20.14M | $1.54B | +3 | — |
| Q3 2025 | 16 | 0 | 10.85M | $837.11M | — | −1 |
| Q2 2025 | 14 | -1 | 9.66M | $812.09M | — | −1 |
| Q1 2025 | 12 | 0 | 2.43M | $230.13M | — | — |
| Q4 2024 | 12 | 0 | 1.96M | $215.50M | — | — |
| Q3 2024 | 11 | 0 | 935.00K | $105.75M | +1 | −1 |
| Q2 2024 | 11 | — | 1.02M | $126.66M | — | — |
Who holds it · Q2 2026
| # | Manager | Shares | Δ shares | Value | Their weight | Held | ||
|---|---|---|---|---|---|---|---|---|
| 1 | BlackRock ✦ (passive) | 4.38M | +12.9% | $356.60M | 0.0% | ▲ Add | 5 | SEC ↗ ×16 |
| 2 | Allspring Global Investments… | 1.89M | -18.3% | $154.75M | 0.2% | ▼ Trim | 3 | SEC ↗ ×2 |
| 3 | Dimensional Fund Advisors Lp | 1.31M | +5.1% | $106.22M | 0.0% | ▲ Add | 3 | SEC ↗ ×5 |
| 4 | Vanguard Capital Management Llc | 1.11M | -0.6% | $90.19M | 0.0% | ▼ Trim | 2 | SEC ↗ |
| 5 | State Street Global Advisors ✦ (passive) | 996.03K | +3.3% | $81.07M | 0.0% | ▲ Add | 7 | SEC ↗ |
| 6 | Nuveen, LLC | 755.72K | +17.5% | $61.51M | 0.0% | ▲ Add | 3 | SEC ↗ ×4 |
| 7 | Geode Capital Management ✦ (passive) | 666.59K | +5.7% | $54.26M | 0.0% | ▲ Add | 9 | SEC ↗ ×2 |
| 8 | Goldman Sachs Group ✦ | 662.21K | +34.6% | $53.90M | 0.0% | ▲ Add | 4 | SEC ↗ ×3 |
| 9 | Victory Capital Management Inc | 660.11K | -23.7% | $53.73M | 0.0% | ▼ Trim | 3 | SEC ↗ |
| 10 | Two Sigma Investments ✦ | 568.71K | -4.1% | $46.29M | 0.0% | ▼ Trim | 9 | SEC ↗ |
| 11 | Assenagon Asset Management S.A. | 545.56K | +11.1% | $44.40M | 0.0% | ▲ Add | 3 | SEC ↗ ×2 |
| 12 | AQR Capital Management ✦ | 482.55K | +54.6% | $39.27M | 0.0% | ▲ Add | 9 | SEC ↗ ×9 |
| 13 | Brown Advisory Inc | 408.47K | +37.8% | $33.25M | 0.1% | ▲ Add | 3 | SEC ↗ ×2 |
| 14 | JPMorgan Chase ✦ | 370.57K | -13.0% | $30.00M | 0.0% | ▼ Trim | 4 | SEC ↗ ×6 |
| 15 | Charles Schwab Investment… | 355.66K | -2.8% | $28.95M | 0.0% | ▼ Trim | 3 | SEC ↗ |
| 16 | Northern Trust Corp | 303.04K | +6.6% | $24.66M | 0.0% | ▲ Add | 3 | SEC ↗ ×6 |
| 17 | Qube Research & Technologies Ltd | 285.85K | -29.7% | $23.27M | 0.0% | ▼ Trim | 3 | SEC ↗ |
| 18 | Bank Of America Corp /De/ | 235.74K | -18.9% | $19.19M | 0.0% | ▼ Trim | 3 | SEC ↗ ×4 |
| 19 | Morgan Stanley ✦ | 230.79K | -2.0% | $18.78M | 0.0% | ▼ Trim | 4 | SEC ↗ ×6 |
| 20 | Renaissance Technologies ✦ | 185.00K | +55.6% | $15.06M | 0.0% | ▲ Add | 9 | SEC ↗ |
| 21 | D. E. Shaw & Co. ✦ | 165.75K | -42.2% | $13.49M | 0.0% | ▼ Trim | 9 | SEC ↗ ×2 |
| 22 | Sei Investments Co | 156.05K | -10.4% | $12.70M | 0.0% | ▼ Trim | 3 | SEC ↗ ×2 |
| 23 | UBS Group AG | 154.00K | -72.8% | $12.53M | 0.0% | ▼ Trim | 3 | SEC ↗ ×3 |
| 24 | Mackenzie Financial Corp | 144.68K | New | $11.78M | 0.0% | New | 1 | SEC ↗ |
| 25 | Bank of New York Mellon Corp | 137.26K | +4.5% | $11.17M | 0.0% | ▲ Add | 3 | SEC ↗ ×7 |
| 26 | Hotchkis & Wiley Capital Management… | 135.74K | +12.4% | $11.05M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 27 | Principal Financial Group Inc | 119.05K | -1.2% | $9.69M | 0.0% | ▼ Trim | 3 | SEC ↗ ×2 |
| 28 | Russell Investments Group, Ltd. | 118.61K | +65.7% | $9.64M | 0.0% | ▲ Add | 3 | SEC ↗ ×6 |
| 29 | Invesco Ltd. | 118.43K | +0.3% | $9.64M | 0.0% | ▲ Add | 3 | SEC ↗ ×5 |
| 30 | Creative Planning | 104.22K | +176.9% | $8.48M | 0.0% | ▲ Add | 3 | SEC ↗ ×2 |
| 31 | Citadel Advisors ✦ | 98.55K | -55.4% | $8.02M | 0.0% | ▼ Trim | 9 | SEC ↗ ×2 |
| 32 | First Trust Advisors Lp | 91.25K | +617.6% | $7.43M | 0.0% | ▲ Add | 3 | SEC ↗ ×2 |
| 33 | Hrt Financial Lp | 84.35K | -32.5% | $6.87M | 0.0% | ▼ Trim | 3 | SEC ↗ |
| 34 | Fidelity (FMR) ✦ | 82.76K | +59.8% | $6.74M | 0.0% | ▲ Add | 5 | SEC ↗ ×2 |
| 35 | ProShare Advisors LLC | 81.23K | -9.6% | $6.61M | 0.0% | ▼ Trim | 3 | SEC ↗ |
| 36 | UBS AM, a distinct business unit of… | 73.46K | -1.3% | $5.98M | 0.0% | ▼ Trim | 3 | SEC ↗ ×8 |
| 37 | Rhumbline Advisers | 65.06K | -8.6% | $5.29M | 0.0% | ▼ Trim | 3 | SEC ↗ |
| 38 | Balyasny Asset Management L.P. | 59.75K | New | $4.86M | 0.0% | New | 1 | SEC ↗ ×2 |
| 39 | Legal & General Group Plc | 58.84K | -0.5% | $4.79M | 0.0% | ▼ Trim | 3 | SEC ↗ ×3 |
| 40 | American Century Companies Inc | 55.09K | -0.3% | $4.48M | 0.0% | ▼ Trim | 3 | SEC ↗ |
| 41 | Ameriprise Financial Inc | 54.52K | -3.6% | $4.44M | 0.0% | ▼ Trim | 3 | SEC ↗ ×2 |
| 42 | Swiss National Bank | 49.90K | +1.8% | $4.06M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 43 | Healthcare Of Ontario Pension Plan… | 43.99K | -28.7% | $3.58M | 0.0% | ▼ Trim | 3 | SEC ↗ |
| 44 | Point72 Asset Management ✦ | 42.65K | -74.4% | $3.47M | 0.0% | ▼ Trim | 8 | SEC ↗ |
| 45 | Bnp Paribas Financial Markets | 39.51K | +4.1% | $3.22M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 46 | Franklin Resources Inc | 38.75K | +15.7% | $3.15M | 0.0% | ▲ Add | 3 | SEC ↗ ×5 |
| 47 | T. Rowe Price ✦ | 37.34K | +17.3% | $3.04M | 0.0% | ▲ Add | 9 | SEC ↗ |
| 48 | Arrowstreet Capital ✦ | 34.88K | +88.5% | $2.84M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 49 | Cerity Partners LLC | 31.32K | +39.1% | $2.55M | 0.0% | ▲ Add | 3 | SEC ↗ ×3 |
| 50 | Wells Fargo & Company/Mn | 30.22K | +71.5% | $2.46M | 0.0% | ▲ Add | 3 | SEC ↗ ×3 |
| 51 | Deutsche Bank Ag\ | 27.57K | +21.2% | $2.24M | 0.0% | ▲ Add | 3 | SEC ↗ ×2 |
| 52 | Mariner, LLC | 26.93K | +36.7% | $2.19M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 53 | Voya Investment Management Llc | 25.91K | +3.3% | $2.11M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 54 | Citigroup Inc | 25.69K | +8.0% | $2.09M | 0.0% | ▲ Add | 3 | SEC ↗ ×3 |
| 55 | Alliancebernstein L.P. | 28.62K | +8.0% | $2.09M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 56 | Prudential Financial Inc | 25.53K | +1.0% | $2.08M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 57 | Barclays Plc | 24.71K | +16.6% | $2.01M | 0.0% | ▲ Add | 3 | SEC ↗ ×3 |
| 58 | Hsbc Holdings Plc | 23.69K | -6.5% | $1.94M | 0.0% | ▼ Trim | 3 | SEC ↗ ×2 |
| 59 | Holocene Advisors, LP | 23.76K | -10.2% | $1.93M | 0.0% | ▼ Trim | 3 | SEC ↗ |
| 60 | Marshall Wace ✦ | 23.07K | -31.2% | $1.88M | 0.0% | ▼ Trim | 3 | SEC ↗ ×2 |
| 61 | Mercer Global Advisors Inc /Adv | 14.52K | +72.8% | $1.18M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 62 | Wealth Enhancement Advisory… | 13.68K | +73.2% | $1.12M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 63 | Manufacturers Life Insurance… | 12.07K | +7.7% | $982,377 | 0.0% | ▲ Add | 3 | SEC ↗ |
| 64 | Fifth Third Bancorp | 11.65K | -6.6% | $948,553 | 0.0% | ▼ Trim | 3 | SEC ↗ |
| 65 | MIRAE ASSET GLOBAL ETFS HOLDINGS… | 11.62K | -0.2% | $945,508 | 0.0% | ▼ Trim | 3 | SEC ↗ |
| 66 | Squarepoint Ops LLC | 10.38K | -37.0% | $844,747 | 0.0% | ▼ Trim | 2 | SEC ↗ |
| 67 | Capstone Investment Advisors, Llc | 9.99K | -36.6% | $813,330 | 0.0% | ▼ Trim | 3 | SEC ↗ |
| 68 | New York State Common Retirement… | 8.91K | 0.0% | $725,266 | 0.0% | Held | 3 | SEC ↗ |
| 69 | Quantinno Capital Management LP | 8.91K | +58.9% | $724,922 | 0.0% | ▲ Add | 3 | SEC ↗ |
| 70 | Universal- Beteiligungs- und… | 8.61K | +90.1% | $700,361 | 0.0% | ▲ Add | 2 | SEC ↗ |
| 71 | Captrust Financial Advisors | 8.11K | +125.4% | $660,317 | 0.0% | ▲ Add | 3 | SEC ↗ |
| 72 | State Board Of Administration Of… | 6.73K | 0.0% | $547,511 | 0.0% | Held | 3 | SEC ↗ |
| 73 | Zurcher Kantonalbank (Zurich… | 6.42K | 0.0% | $522,442 | 0.0% | Held | 3 | SEC ↗ |
| 74 | Man Group plc | 6.15K | -24.0% | $500,629 | 0.0% | ▼ Trim | 3 | SEC ↗ ×2 |
| 75 | State Of Wisconsin Investment Board | 5.69K | New | $462,946 | 0.0% | New | 1 | SEC ↗ |
| 76 | LPL Financial LLC | 5.19K | +5.6% | $422,097 | 0.0% | ▲ Add | 3 | SEC ↗ |
| 77 | Gotham Asset Management ✦ | 4.85K | -36.8% | $394,579 | 0.0% | ▼ Trim | 2 | SEC ↗ |
| 78 | Pictet Asset Management Holding SA | 4.71K | 0.0% | $383,184 | 0.0% | Held | 3 | SEC ↗ |
| 79 | Cetera Investment Advisers | 3.85K | -27.7% | $312,953 | 0.0% | ▼ Trim | 3 | SEC ↗ |
| 80 | Focus Partners Wealth | 3.78K | New | $307,956 | 0.0% | New | 1 | SEC ↗ |
| 81 | Susquehanna International Group, Llp | 3.62K | -65.5% | $294,225 | 0.0% | ▼ Trim | 3 | SEC ↗ |
| 82 | Amundi | 3.56K | -59.8% | $290,155 | 0.0% | ▼ Trim | 3 | SEC ↗ |
| 83 | Tidal Investments LLC | 3.33K | -13.6% | $271,029 | 0.0% | ▼ Trim | 3 | SEC ↗ |
| 84 | Neuberger Berman Group LLC | 2.72K | New | $221,218 | 0.0% | New | 1 | SEC ↗ ×2 |
| 85 | BNP Paribas Asset Management… | 2.61K | +323.5% | $212,347 | 0.0% | ▲ Add | 3 | SEC ↗ ×2 |
| 86 | Bank Of Montreal /Can/ | 2.52K | New | $204,696 | 0.0% | New | 1 | SEC ↗ ×3 |
| 87 | Jones Financial Companies Lllp | 1.90K | +70.5% | $157,080 | 0.0% | ▲ Add | 3 | SEC ↗ |
| 88 | Royal Bank Of Canada | 1.38K | +85.5% | $112,000 | 0.0% | ▲ Add | 3 | SEC ↗ ×3 |
| 89 | Pnc Financial Services Group, Inc. | 1.21K | +11.9% | $98,237 | 0.0% | ▲ Add | 3 | SEC ↗ ×5 |
| 90 | Ensign Peak Advisors, Inc | 1.06K | -12.4% | $86,192 | 0.0% | ▼ Trim | 3 | SEC ↗ |
| 91 | Nomura Asset Management Co Ltd | 370 | 0.0% | $30,114 | 0.0% | Held | 2 | SEC ↗ |
| 92 | Osaic Holdings, Inc. | 282 | -5.0% | $22,950 | 0.0% | ▼ Trim | 3 | SEC ↗ |
| 93 | Optiver Holding B.V. | 228 | +660.0% | $18,557 | 0.0% | ▲ Add | 2 | SEC ↗ |
| 94 | Rockefeller Capital Management L.P. | 195 | -34.3% | $15,949 | 0.0% | ▼ Trim | 3 | SEC ↗ |
| 95 | Us Bancorp \De\ | 154 | +14.1% | $12,534 | 0.0% | ▲ Add | 3 | SEC ↗ |
| 96 | Mitsubishi UFJ Asset Management… | 42 | 0.0% | $3,418 | 0.0% | Held | 3 | SEC ↗ |
| 97 | Northwestern Mutual Wealth… | 17 | New | $1,384 | 0.0% | New | 1 | SEC ↗ |
“Their weight” = the position's share of that manager's reported 13F equity value — the conviction measure. ✦ = curated manager.
New buyers
| Mackenzie Financial Corp | $11.78M | 0.0% |
| Balyasny Asset Management L.P. | $4.86M | 0.0% |
| State Of Wisconsin Investment… | $462,946 | 0.0% |
| Focus Partners Wealth | $307,956 | 0.0% |
| Neuberger Berman Group LLC | $221,218 | 0.0% |
| Bank Of Montreal /Can/ | $204,696 | 0.0% |
| Northwestern Mutual Wealth… | $1,384 | 0.0% |
Exited
| Jane Street Group, Llc | $6.90M | was 0.0% |
| Millennium Management | $4.49M | was 0.0% |
| Raymond James Financial Inc | $1.28M | was 0.0% |
| Bridgewater Associates | $434,469 | was 0.0% |
| Envestnet Asset Management Inc | $286,847 | was 0.0% |
| Tudor Investment Corp Et Al | $276,308 | was 0.0% |
Full-market context: across ALL 13F filers (SEC structured data, Q1 2026): 263 holders, 24.51M shares, $1.76B reported. This is a different, older period than the tracked-universe figures above and the two are never mixed.
Frequently co-owned
What else this security's tracked holders most often hold — shared-ownership counts, not fundamental relationships.
Provenance: Ownership from parsed 13F common-stock positions (tracked universe, comparable sets for changes); insider rows from Forms 3/4/5; stakes from Schedules 13D/13G; every filing links to its original on SEC EDGAR.
Reporting period: Q2 2026 ·
Methodology ·
Get this via the API