Security record · archived quarter
IOSP
Innospec Inc. · Basic Materials · Chemicals - Specialty
16Tracked holders
0Δ holders
10.85MShares held
$837.11MReported value
+0New positions
−1Exits
Momentum inputs (comparable managers): holder breadth 0.0% · share flow +1.4% · net new positions -6.2% — formula
All ownership figures: tracked 13F managers only, common-stock positions, reporting period Q3 2025
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 · Q3 2025
| # | Manager | Shares | Δ shares | Value | Their weight | Held | ||
|---|---|---|---|---|---|---|---|---|
| 1 | BlackRock ✦ (passive) | 3.63M | -0.8% | $280.32M | 0.0% | ▼ Trim | 2 | SEC ↗ |
| 2 | BlackRock ✦ (passive) | 3.63M | -0.8% | $280.32M | 0.0% | ▼ Trim | 2 | SEC ↗ |
| 3 | BlackRock ✦ (passive) | 3.63M | -0.8% | $280.32M | 0.0% | ▼ Trim | 2 | SEC ↗ |
| 4 | BlackRock ✦ (passive) | 3.63M | -0.8% | $280.32M | 0.0% | ▼ Trim | 2 | SEC ↗ |
| 5 | BlackRock ✦ (passive) | 3.63M | -0.8% | $280.32M | 0.0% | ▼ Trim | 2 | SEC ↗ |
| 6 | BlackRock ✦ (passive) | 3.63M | -0.8% | $280.32M | 0.0% | ▼ Trim | 2 | SEC ↗ |
| 7 | BlackRock ✦ (passive) | 3.63M | -0.8% | $280.32M | 0.0% | ▼ Trim | 2 | SEC ↗ |
| 8 | BlackRock ✦ (passive) | 3.63M | -0.8% | $280.32M | 0.0% | ▼ Trim | 2 | SEC ↗ |
| 9 | BlackRock ✦ (passive) | 3.63M | -0.8% | $280.32M | 0.0% | ▼ Trim | 2 | SEC ↗ |
| 10 | BlackRock ✦ (passive) | 3.63M | -0.8% | $280.32M | 0.0% | ▼ Trim | 2 | SEC ↗ |
| 11 | BlackRock ✦ (passive) | 3.63M | -0.8% | $280.32M | 0.0% | ▼ Trim | 2 | SEC ↗ |
| 12 | BlackRock ✦ (passive) | 3.63M | -0.8% | $280.32M | 0.0% | ▼ Trim | 2 | SEC ↗ |
| 13 | BlackRock ✦ (passive) | 3.63M | -0.8% | $280.32M | 0.0% | ▼ Trim | 2 | SEC ↗ |
| 14 | BlackRock ✦ (passive) | 3.63M | -0.8% | $280.32M | 0.0% | ▼ Trim | 2 | SEC ↗ |
| 15 | BlackRock ✦ (passive) | 3.63M | -0.8% | $280.32M | 0.0% | ▼ Trim | 2 | SEC ↗ |
| 16 | The Vanguard Group ✦ (passive) | 3.14M | -0.6% | $242.55M | 0.0% | ▼ Trim | 2 | SEC ↗ |
| 17 | The Vanguard Group ✦ (passive) | 3.14M | -0.6% | $242.55M | 0.0% | ▼ Trim | 2 | SEC ↗ |
| 18 | The Vanguard Group ✦ (passive) | 3.14M | -0.6% | $242.55M | 0.0% | ▼ Trim | 2 | SEC ↗ |
| 19 | The Vanguard Group ✦ (passive) | 3.14M | -0.6% | $242.55M | 0.0% | ▼ Trim | 2 | SEC ↗ |
| 20 | The Vanguard Group ✦ (passive) | 3.14M | -0.6% | $242.55M | 0.0% | ▼ Trim | 2 | SEC ↗ |
| 21 | The Vanguard Group ✦ (passive) | 3.14M | -0.6% | $242.55M | 0.0% | ▼ Trim | 2 | SEC ↗ |
| 22 | State Street Global Advisors ✦ (passive) | 929.12K | -4.2% | $71.69M | 0.0% | ▼ Trim | 4 | SEC ↗ |
| 23 | JPMorgan Chase ✦ | 641.96K | — | $49.53M | 0.0% | n/c | 1 | SEC ↗ |
| 24 | JPMorgan Chase ✦ | 641.96K | — | $49.53M | 0.0% | n/c | 1 | SEC ↗ |
| 25 | JPMorgan Chase ✦ | 641.96K | — | $49.53M | 0.0% | n/c | 1 | SEC ↗ |
| 26 | JPMorgan Chase ✦ | 641.96K | — | $49.53M | 0.0% | n/c | 1 | SEC ↗ |
| 27 | JPMorgan Chase ✦ | 641.96K | — | $49.53M | 0.0% | n/c | 1 | SEC ↗ |
| 28 | JPMorgan Chase ✦ | 641.96K | — | $49.53M | 0.0% | n/c | 1 | SEC ↗ |
| 29 | JPMorgan Chase ✦ | 641.96K | — | $49.53M | 0.0% | n/c | 1 | SEC ↗ |
| 30 | JPMorgan Chase ✦ | 641.96K | — | $49.53M | 0.0% | n/c | 1 | SEC ↗ |
| 31 | JPMorgan Chase ✦ | 641.96K | — | $49.53M | 0.0% | n/c | 1 | SEC ↗ |
| 32 | JPMorgan Chase ✦ | 641.96K | — | $49.53M | 0.0% | n/c | 1 | SEC ↗ |
| 33 | JPMorgan Chase ✦ | 641.96K | — | $49.53M | 0.0% | n/c | 1 | SEC ↗ |
| 34 | JPMorgan Chase ✦ | 641.96K | — | $49.53M | 0.0% | n/c | 1 | SEC ↗ |
| 35 | Geode Capital Management ✦ (passive) | 614.21K | -14.7% | $47.40M | 0.0% | ▼ Trim | 6 | SEC ↗ |
| 36 | Geode Capital Management ✦ (passive) | 614.21K | -14.7% | $47.40M | 0.0% | ▼ Trim | 6 | SEC ↗ |
| 37 | Millennium Management ✦ | 481.49K | +37.6% | $37.15M | 0.0% | ▲ Add | 6 | SEC ↗ |
| 38 | Goldman Sachs Group ✦ | 282.64K | — | $21.81M | 0.0% | n/c | 1 | SEC ↗ |
| 39 | Goldman Sachs Group ✦ | 282.64K | — | $21.81M | 0.0% | n/c | 1 | SEC ↗ |
| 40 | Goldman Sachs Group ✦ | 282.64K | — | $21.81M | 0.0% | n/c | 1 | SEC ↗ |
| 41 | D. E. Shaw & Co. ✦ | 273.90K | +59.5% | $21.13M | 0.0% | ▲ Add | 6 | SEC ↗ |
| 42 | D. E. Shaw & Co. ✦ | 273.90K | +59.5% | $21.13M | 0.0% | ▲ Add | 6 | SEC ↗ |
| 43 | Morgan Stanley ✦ | 253.75K | — | $19.58M | 0.0% | n/c | 1 | SEC ↗ |
| 44 | Morgan Stanley ✦ | 253.75K | — | $19.58M | 0.0% | n/c | 1 | SEC ↗ |
| 45 | Morgan Stanley ✦ | 253.75K | — | $19.58M | 0.0% | n/c | 1 | SEC ↗ |
| 46 | Morgan Stanley ✦ | 253.75K | — | $19.58M | 0.0% | n/c | 1 | SEC ↗ |
| 47 | Morgan Stanley ✦ | 253.75K | — | $19.58M | 0.0% | n/c | 1 | SEC ↗ |
| 48 | Morgan Stanley ✦ | 253.75K | — | $19.58M | 0.0% | n/c | 1 | SEC ↗ |
| 49 | Morgan Stanley ✦ | 253.75K | — | $19.58M | 0.0% | n/c | 1 | SEC ↗ |
| 50 | AQR Capital Management ✦ | 181.21K | +151.6% | $13.98M | 0.0% | ▲ Add | 6 | SEC ↗ |
| 51 | AQR Capital Management ✦ | 181.21K | +151.6% | $13.98M | 0.0% | ▲ Add | 6 | SEC ↗ |
| 52 | AQR Capital Management ✦ | 181.21K | +151.6% | $13.98M | 0.0% | ▲ Add | 6 | SEC ↗ |
| 53 | AQR Capital Management ✦ | 181.21K | +151.6% | $13.98M | 0.0% | ▲ Add | 6 | SEC ↗ |
| 54 | Two Sigma Investments ✦ | 148.21K | +7.2% | $11.44M | 0.0% | ▲ Add | 6 | SEC ↗ |
| 55 | Renaissance Technologies ✦ | 146.50K | -0.1% | $11.30M | 0.0% | ▼ Trim | 6 | SEC ↗ |
| 56 | Citadel Advisors ✦ | 83.39K | -11.8% | $6.43M | 0.0% | ▼ Trim | 6 | SEC ↗ |
| 57 | Citadel Advisors ✦ | 83.39K | -11.8% | $6.43M | 0.0% | ▼ Trim | 6 | SEC ↗ |
| 58 | T. Rowe Price ✦ | 23.36K | +4.4% | $1.80M | 0.0% | ▲ Add | 6 | SEC ↗ |
| 59 | Point72 Asset Management ✦ | 11.79K | +6.7% | $909,986 | 0.0% | ▲ Add | 5 | SEC ↗ |
| 60 | Fidelity (FMR) ✦ | 1.01K | -49.4% | $77,627 | 0.0% | ▼ Trim | 2 | SEC ↗ |
| 61 | Fidelity (FMR) ✦ | 1.01K | -49.4% | $77,627 | 0.0% | ▼ Trim | 2 | SEC ↗ |
“Their weight” = the position's share of that manager's reported 13F equity value — the conviction measure. ✦ = curated manager.
New buyers
| No new tracked buyers this quarter. |
Exited
| Norges Bank | $11.23M | 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: Q3 2025 ·
Methodology ·
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