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 ↗ |
| 2 | BlackRock ✦ (passive) | 4.38M | +12.9% | $356.60M | 0.0% | ▲ Add | 5 | SEC ↗ |
| 3 | BlackRock ✦ (passive) | 4.38M | +12.9% | $356.60M | 0.0% | ▲ Add | 5 | SEC ↗ |
| 4 | BlackRock ✦ (passive) | 4.38M | +12.9% | $356.60M | 0.0% | ▲ Add | 5 | SEC ↗ |
| 5 | BlackRock ✦ (passive) | 4.38M | +12.9% | $356.60M | 0.0% | ▲ Add | 5 | SEC ↗ |
| 6 | BlackRock ✦ (passive) | 4.38M | +12.9% | $356.60M | 0.0% | ▲ Add | 5 | SEC ↗ |
| 7 | BlackRock ✦ (passive) | 4.38M | +12.9% | $356.60M | 0.0% | ▲ Add | 5 | SEC ↗ |
| 8 | BlackRock ✦ (passive) | 4.38M | +12.9% | $356.60M | 0.0% | ▲ Add | 5 | SEC ↗ |
| 9 | BlackRock ✦ (passive) | 4.38M | +12.9% | $356.60M | 0.0% | ▲ Add | 5 | SEC ↗ |
| 10 | BlackRock ✦ (passive) | 4.38M | +12.9% | $356.60M | 0.0% | ▲ Add | 5 | SEC ↗ |
| 11 | BlackRock ✦ (passive) | 4.38M | +12.9% | $356.60M | 0.0% | ▲ Add | 5 | SEC ↗ |
| 12 | BlackRock ✦ (passive) | 4.38M | +12.9% | $356.60M | 0.0% | ▲ Add | 5 | SEC ↗ |
| 13 | BlackRock ✦ (passive) | 4.38M | +12.9% | $356.60M | 0.0% | ▲ Add | 5 | SEC ↗ |
| 14 | BlackRock ✦ (passive) | 4.38M | +12.9% | $356.60M | 0.0% | ▲ Add | 5 | SEC ↗ |
| 15 | BlackRock ✦ (passive) | 4.38M | +12.9% | $356.60M | 0.0% | ▲ Add | 5 | SEC ↗ |
| 16 | BlackRock ✦ (passive) | 4.38M | +12.9% | $356.60M | 0.0% | ▲ Add | 5 | SEC ↗ |
| 17 | Allspring Global Investments… | 1.89M | -18.3% | $154.75M | 0.2% | ▼ Trim | 3 | SEC ↗ |
| 18 | Allspring Global Investments… | 1.89M | -18.3% | $154.75M | 0.2% | ▼ Trim | 3 | SEC ↗ |
| 19 | Dimensional Fund Advisors Lp | 1.31M | +5.1% | $106.22M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 20 | Dimensional Fund Advisors Lp | 1.31M | +5.1% | $106.22M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 21 | Dimensional Fund Advisors Lp | 1.31M | +5.1% | $106.22M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 22 | Dimensional Fund Advisors Lp | 1.31M | +5.1% | $106.22M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 23 | Dimensional Fund Advisors Lp | 1.31M | +5.1% | $106.22M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 24 | Vanguard Capital Management Llc | 1.11M | -0.6% | $90.19M | 0.0% | ▼ Trim | 2 | SEC ↗ |
| 25 | State Street Global Advisors ✦ (passive) | 996.03K | +3.3% | $81.07M | 0.0% | ▲ Add | 7 | SEC ↗ |
| 26 | Nuveen, LLC | 755.72K | +17.5% | $61.51M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 27 | Nuveen, LLC | 755.72K | +17.5% | $61.51M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 28 | Nuveen, LLC | 755.72K | +17.5% | $61.51M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 29 | Nuveen, LLC | 755.72K | +17.5% | $61.51M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 30 | Geode Capital Management ✦ (passive) | 666.59K | +5.7% | $54.26M | 0.0% | ▲ Add | 9 | SEC ↗ |
| 31 | Geode Capital Management ✦ (passive) | 666.59K | +5.7% | $54.26M | 0.0% | ▲ Add | 9 | SEC ↗ |
| 32 | Goldman Sachs Group ✦ | 662.21K | +34.6% | $53.90M | 0.0% | ▲ Add | 4 | SEC ↗ |
| 33 | Goldman Sachs Group ✦ | 662.21K | +34.6% | $53.90M | 0.0% | ▲ Add | 4 | SEC ↗ |
| 34 | Goldman Sachs Group ✦ | 662.21K | +34.6% | $53.90M | 0.0% | ▲ Add | 4 | SEC ↗ |
| 35 | Victory Capital Management Inc | 660.11K | -23.7% | $53.73M | 0.0% | ▼ Trim | 3 | SEC ↗ |
| 36 | Two Sigma Investments ✦ | 568.71K | -4.1% | $46.29M | 0.0% | ▼ Trim | 9 | SEC ↗ |
| 37 | Assenagon Asset Management S.A. | 545.56K | +11.1% | $44.40M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 38 | Assenagon Asset Management S.A. | 545.56K | +11.1% | $44.40M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 39 | AQR Capital Management ✦ | 482.55K | +54.6% | $39.27M | 0.0% | ▲ Add | 9 | SEC ↗ |
| 40 | AQR Capital Management ✦ | 482.55K | +54.6% | $39.27M | 0.0% | ▲ Add | 9 | SEC ↗ |
| 41 | AQR Capital Management ✦ | 482.55K | +54.6% | $39.27M | 0.0% | ▲ Add | 9 | SEC ↗ |
| 42 | AQR Capital Management ✦ | 482.55K | +54.6% | $39.27M | 0.0% | ▲ Add | 9 | SEC ↗ |
| 43 | AQR Capital Management ✦ | 482.55K | +54.6% | $39.27M | 0.0% | ▲ Add | 9 | SEC ↗ |
| 44 | AQR Capital Management ✦ | 482.55K | +54.6% | $39.27M | 0.0% | ▲ Add | 9 | SEC ↗ |
| 45 | AQR Capital Management ✦ | 482.55K | +54.6% | $39.27M | 0.0% | ▲ Add | 9 | SEC ↗ |
| 46 | AQR Capital Management ✦ | 482.55K | +54.6% | $39.27M | 0.0% | ▲ Add | 9 | SEC ↗ |
| 47 | AQR Capital Management ✦ | 482.55K | +54.6% | $39.27M | 0.0% | ▲ Add | 9 | SEC ↗ |
| 48 | Brown Advisory Inc | 408.47K | +37.8% | $33.25M | 0.1% | ▲ Add | 3 | SEC ↗ |
| 49 | Brown Advisory Inc | 408.47K | +37.8% | $33.25M | 0.1% | ▲ Add | 3 | SEC ↗ |
| 50 | JPMorgan Chase ✦ | 370.57K | -13.0% | $30.00M | 0.0% | ▼ Trim | 4 | SEC ↗ |
| 51 | JPMorgan Chase ✦ | 370.57K | -13.0% | $30.00M | 0.0% | ▼ Trim | 4 | SEC ↗ |
| 52 | JPMorgan Chase ✦ | 370.57K | -13.0% | $30.00M | 0.0% | ▼ Trim | 4 | SEC ↗ |
| 53 | JPMorgan Chase ✦ | 370.57K | -13.0% | $30.00M | 0.0% | ▼ Trim | 4 | SEC ↗ |
| 54 | JPMorgan Chase ✦ | 370.57K | -13.0% | $30.00M | 0.0% | ▼ Trim | 4 | SEC ↗ |
| 55 | JPMorgan Chase ✦ | 370.57K | -13.0% | $30.00M | 0.0% | ▼ Trim | 4 | SEC ↗ |
| 56 | Charles Schwab Investment… | 355.66K | -2.8% | $28.95M | 0.0% | ▼ Trim | 3 | SEC ↗ |
| 57 | Northern Trust Corp | 303.04K | +6.6% | $24.66M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 58 | Northern Trust Corp | 303.04K | +6.6% | $24.66M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 59 | Northern Trust Corp | 303.04K | +6.6% | $24.66M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 60 | Northern Trust Corp | 303.04K | +6.6% | $24.66M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 61 | Northern Trust Corp | 303.04K | +6.6% | $24.66M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 62 | Northern Trust Corp | 303.04K | +6.6% | $24.66M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 63 | Qube Research & Technologies Ltd | 285.85K | -29.7% | $23.27M | 0.0% | ▼ Trim | 3 | SEC ↗ |
| 64 | Bank Of America Corp /De/ | 235.74K | -18.9% | $19.19M | 0.0% | ▼ Trim | 3 | SEC ↗ |
| 65 | Bank Of America Corp /De/ | 235.74K | -18.9% | $19.19M | 0.0% | ▼ Trim | 3 | SEC ↗ |
| 66 | Bank Of America Corp /De/ | 235.74K | -18.9% | $19.19M | 0.0% | ▼ Trim | 3 | SEC ↗ |
| 67 | Bank Of America Corp /De/ | 235.74K | -18.9% | $19.19M | 0.0% | ▼ Trim | 3 | SEC ↗ |
| 68 | Morgan Stanley ✦ | 230.79K | -2.0% | $18.78M | 0.0% | ▼ Trim | 4 | SEC ↗ |
| 69 | Morgan Stanley ✦ | 230.79K | -2.0% | $18.78M | 0.0% | ▼ Trim | 4 | SEC ↗ |
| 70 | Morgan Stanley ✦ | 230.79K | -2.0% | $18.78M | 0.0% | ▼ Trim | 4 | SEC ↗ |
| 71 | Morgan Stanley ✦ | 230.79K | -2.0% | $18.78M | 0.0% | ▼ Trim | 4 | SEC ↗ |
| 72 | Morgan Stanley ✦ | 230.79K | -2.0% | $18.78M | 0.0% | ▼ Trim | 4 | SEC ↗ |
| 73 | Morgan Stanley ✦ | 230.79K | -2.0% | $18.78M | 0.0% | ▼ Trim | 4 | SEC ↗ |
| 74 | Renaissance Technologies ✦ | 185.00K | +55.6% | $15.06M | 0.0% | ▲ Add | 9 | SEC ↗ |
| 75 | D. E. Shaw & Co. ✦ | 165.75K | -42.2% | $13.49M | 0.0% | ▼ Trim | 9 | SEC ↗ |
| 76 | D. E. Shaw & Co. ✦ | 165.75K | -42.2% | $13.49M | 0.0% | ▼ Trim | 9 | SEC ↗ |
| 77 | Sei Investments Co | 156.05K | -10.4% | $12.70M | 0.0% | ▼ Trim | 3 | SEC ↗ |
| 78 | Sei Investments Co | 156.05K | -10.4% | $12.70M | 0.0% | ▼ Trim | 3 | SEC ↗ |
| 79 | UBS Group AG | 154.00K | -72.8% | $12.53M | 0.0% | ▼ Trim | 3 | SEC ↗ |
| 80 | UBS Group AG | 154.00K | -72.8% | $12.53M | 0.0% | ▼ Trim | 3 | SEC ↗ |
| 81 | UBS Group AG | 154.00K | -72.8% | $12.53M | 0.0% | ▼ Trim | 3 | SEC ↗ |
| 82 | Mackenzie Financial Corp | 144.68K | New | $11.78M | 0.0% | New | 1 | SEC ↗ |
| 83 | Bank of New York Mellon Corp | 137.26K | +4.5% | $11.17M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 84 | Bank of New York Mellon Corp | 137.26K | +4.5% | $11.17M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 85 | Bank of New York Mellon Corp | 137.26K | +4.5% | $11.17M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 86 | Bank of New York Mellon Corp | 137.26K | +4.5% | $11.17M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 87 | Bank of New York Mellon Corp | 137.26K | +4.5% | $11.17M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 88 | Bank of New York Mellon Corp | 137.26K | +4.5% | $11.17M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 89 | Bank of New York Mellon Corp | 137.26K | +4.5% | $11.17M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 90 | Hotchkis & Wiley Capital Management… | 135.74K | +12.4% | $11.05M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 91 | Principal Financial Group Inc | 119.05K | -1.2% | $9.69M | 0.0% | ▼ Trim | 3 | SEC ↗ |
| 92 | Principal Financial Group Inc | 119.05K | -1.2% | $9.69M | 0.0% | ▼ Trim | 3 | SEC ↗ |
| 93 | Russell Investments Group, Ltd. | 118.61K | +65.7% | $9.64M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 94 | Russell Investments Group, Ltd. | 118.61K | +65.7% | $9.64M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 95 | Russell Investments Group, Ltd. | 118.61K | +65.7% | $9.64M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 96 | Russell Investments Group, Ltd. | 118.61K | +65.7% | $9.64M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 97 | Russell Investments Group, Ltd. | 118.61K | +65.7% | $9.64M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 98 | Russell Investments Group, Ltd. | 118.61K | +65.7% | $9.64M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 99 | Invesco Ltd. | 118.43K | +0.3% | $9.64M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 100 | Invesco Ltd. | 118.43K | +0.3% | $9.64M | 0.0% | ▲ Add | 3 | 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% |
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 ·
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