Security record · archived quarter
IOSP
Innospec Inc. · Basic Materials · Chemicals - Specialty
12Tracked holders
0Δ holders
1.96MShares held
$215.50MReported value
+0New positions
−0Exits
Momentum inputs (comparable managers): holder breadth 0.0% · share flow -0.6% · net new positions 0.0% · formula
All ownership figures: tracked 13F managers only, common-stock positions, reporting period Q4 2024
Ownership over time
| Quarter | Holders | Δ | Shares | Reported value | New | Exits |
|---|---|---|---|---|---|---|
| Q3 2026 | 2 | 0 | 334.72K | $31.94M | n/a | n/a |
| Q2 2026 | 96 | +1 | 19.35M | $1.58B | +7 | −7 |
| Q1 2026 | 99 | +4 | 19.64M | $1.44B | +8 | −5 |
| Q4 2025 | 96 | +2 | 20.14M | $1.54B | +3 | n/a |
| Q3 2025 | 16 | 0 | 10.85M | $837.11M | n/a | −1 |
| Q2 2025 | 14 | -1 | 9.66M | $812.09M | n/a | −1 |
| Q1 2025 | 12 | 0 | 2.43M | $230.13M | n/a | n/a |
| Q4 2024 | 12 | 0 | 1.96M | $215.50M | n/a | n/a |
| Q3 2024 | 11 | 0 | 935.00K | $105.75M | +1 | −1 |
| Q2 2024 | 11 | n/a | 1.02M | $126.66M | n/a | n/a |
Who holds it · Q4 2024
| # | Manager | Shares | Δ shares | Value | Their weight | Held | ||
|---|---|---|---|---|---|---|---|---|
| 1 | State Street Global Advisors ✦ (passive) | 1.04M | n/a | $113.97M | 0.0% | n/c | 1 | SEC ↗ |
| 2 | Geode Capital Management ✦ (passive) | 692.07K | +2.2% | $76.18M | 0.0% | ▲ Add | 3 | SEC ↗ ×2 |
| 3 | Norges Bank ✦ (passive) | 102.78K | +1.9% | $11.31M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 4 | D. E. Shaw & Co. ✦ | 38.03K | +188.8% | $4.19M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 5 | Citadel Advisors ✦ | 25.42K | +18.4% | $2.80M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 6 | T. Rowe Price ✦ | 20.02K | -31.1% | $2.20M | 0.0% | ▼ Trim | 3 | SEC ↗ |
| 7 | AQR Capital Management ✦ | 15.88K | -28.6% | $1.75M | 0.0% | ▼ Trim | 3 | SEC ↗ ×4 |
| 8 | Two Sigma Investments ✦ | 13.17K | -48.5% | $1.45M | 0.0% | ▼ Trim | 3 | SEC ↗ |
| 9 | Gotham Asset Management ✦ | 5.68K | +4.6% | $625,581 | 0.0% | ▲ Add | 3 | SEC ↗ |
| 10 | Renaissance Technologies ✦ | 4.80K | -7.7% | $528,288 | 0.0% | ▼ Trim | 3 | SEC ↗ |
| 11 | Point72 Asset Management ✦ | 2.42K | +27.6% | $266,880 | 0.0% | ▲ Add | 2 | SEC ↗ |
| 12 | Millennium Management ✦ | 2.06K | -93.7% | $226,614 | 0.0% | ▼ Trim | 3 | 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
| No tracked exits this quarter. |
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: Q4 2024 ·
Methodology ·
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