Security record · archived quarter
IOSP
Innospec Inc. · Basic Materials · Chemicals - Specialty
99Tracked holders
+4Δ holders
19.64MShares held
$1.44BReported value
+8New positions
−5Exits
Momentum inputs (comparable managers):
holder breadth +4.2% ·
share flow +9.2% ·
net new positions +3.0%
— formula
Broad accumulation — rising shares across more holders
All ownership figures: tracked 13F managers only, common-stock positions, reporting period Q1 2026
Ownership over time
| Quarter | Holders | Δ | Shares | Reported value | New | Exits |
|---|---|---|---|---|---|---|
| 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 | — |
| 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 · Q1 2026
| # | Manager | Shares | Δ shares | Value | Their weight | Held | ||
|---|---|---|---|---|---|---|---|---|
| 1 | BlackRock ✦ (passive) | 3.88M | +5.9% | $283.24M | 0.0% | ▲ Add | 4 | SEC ↗ ×16 |
| 2 | Allspring Global Investments… | 2.32M | -1.7% | $170.45M | 0.3% | ▼ Trim | 2 | SEC ↗ ×2 |
| 3 | Dimensional Fund Advisors Lp | 1.24M | +5.7% | $90.70M | 0.0% | ▲ Add | 2 | SEC ↗ ×5 |
| 4 | Vanguard Capital Management Llc | 1.11M | — | $81.39M | 0.0% | n/c | 1 | SEC ↗ |
| 5 | State Street Global Advisors ✦ (passive) | 964.34K | +1.6% | $70.42M | 0.0% | ▲ Add | 6 | SEC ↗ |
| 6 | Victory Capital Management Inc | 864.99K | -9.0% | $63.16M | 0.0% | ▼ Trim | 2 | SEC ↗ |
| 7 | Nuveen, LLC | 643.25K | +28.0% | $46.97M | 0.0% | ▲ Add | 2 | SEC ↗ ×3 |
| 8 | Geode Capital Management ✦ (passive) | 630.59K | +3.5% | $46.05M | 0.0% | ▲ Add | 8 | SEC ↗ ×2 |
| 9 | Two Sigma Investments ✦ | 593.04K | +271.8% | $43.30M | 0.0% | ▲ Add | 8 | SEC ↗ |
| 10 | UBS Group AG | 565.91K | +298.4% | $41.32M | 0.0% | ▲ Add | 2 | SEC ↗ ×3 |
| 11 | Goldman Sachs Group ✦ | 492.01K | +1.4% | $35.93M | 0.0% | ▲ Add | 3 | SEC ↗ ×3 |
| 12 | Assenagon Asset Management S.A. | 490.88K | +175.5% | $35.84M | 0.1% | ▲ Add | 2 | SEC ↗ |
| 13 | JPMorgan Chase ✦ | 426.05K | +39.3% | $31.18M | 0.0% | ▲ Add | 3 | SEC ↗ ×6 |
| 14 | Qube Research & Technologies Ltd | 406.62K | +26.9% | $29.69M | 0.0% | ▲ Add | 2 | SEC ↗ |
| 15 | Charles Schwab Investment… | 365.87K | -2.0% | $26.72M | 0.0% | ▼ Trim | 2 | SEC ↗ |
| 16 | AQR Capital Management ✦ | 312.06K | +16.4% | $22.79M | 0.0% | ▲ Add | 8 | SEC ↗ ×8 |
| 17 | Brown Advisory Inc | 296.46K | -3.1% | $21.65M | 0.0% | ▼ Trim | 2 | SEC ↗ ×2 |
| 18 | Bank Of America Corp /De/ | 290.77K | -9.8% | $21.23M | 0.0% | ▼ Trim | 2 | SEC ↗ ×4 |
| 19 | D. E. Shaw & Co. ✦ | 286.79K | -7.5% | $20.94M | 0.0% | ▼ Trim | 8 | SEC ↗ ×2 |
| 20 | Northern Trust Corp | 284.24K | +3.5% | $20.76M | 0.0% | ▲ Add | 2 | SEC ↗ ×6 |
| 21 | Morgan Stanley ✦ | 235.57K | -3.3% | $17.20M | 0.0% | ▼ Trim | 3 | SEC ↗ ×6 |
| 22 | Citadel Advisors ✦ | 220.88K | +203.8% | $16.13M | 0.0% | ▲ Add | 8 | SEC ↗ ×2 |
| 23 | Sei Investments Co | 174.12K | +67.9% | $12.71M | 0.0% | ▲ Add | 2 | SEC ↗ ×2 |
| 24 | Point72 Asset Management ✦ | 166.79K | +74.2% | $12.18M | 0.0% | ▲ Add | 7 | SEC ↗ |
| 25 | Janus Henderson Group Plc | 133.27K | -11.7% | $9.73M | 0.0% | ▼ Trim | 2 | SEC ↗ ×2 |
| 26 | Bank of New York Mellon Corp | 131.29K | -4.7% | $9.59M | 0.0% | ▼ Trim | 2 | SEC ↗ ×7 |
| 27 | Hrt Financial Lp | 125.06K | +7.0% | $9.13M | 0.0% | ▲ Add | 2 | SEC ↗ |
| 28 | Hotchkis & Wiley Capital Management… | 120.81K | -3.4% | $8.82M | 0.0% | ▼ Trim | 2 | SEC ↗ |
| 29 | Principal Financial Group Inc | 120.48K | +2.0% | $8.80M | 0.0% | ▲ Add | 2 | SEC ↗ ×2 |
| 30 | Renaissance Technologies ✦ | 118.90K | -1.2% | $8.68M | 0.0% | ▼ Trim | 8 | SEC ↗ |
| 31 | Invesco Ltd. | 118.08K | +12.8% | $8.62M | 0.0% | ▲ Add | 2 | SEC ↗ ×5 |
| 32 | Jane Street Group, Llc | 94.51K | -13.3% | $6.90M | 0.0% | ▼ Trim | 2 | SEC ↗ ×2 |
| 33 | ProShare Advisors LLC | 89.84K | +7.3% | $6.56M | 0.0% | ▲ Add | 2 | SEC ↗ |
| 34 | UBS AM, a distinct business unit of… | 74.44K | -5.4% | $5.44M | 0.0% | ▼ Trim | 2 | SEC ↗ ×8 |
| 35 | Russell Investments Group, Ltd. | 71.61K | +515.8% | $5.23M | 0.0% | ▲ Add | 2 | SEC ↗ ×6 |
| 36 | Rhumbline Advisers | 71.16K | +1.4% | $5.20M | 0.0% | ▲ Add | 2 | SEC ↗ |
| 37 | Healthcare Of Ontario Pension Plan… | 61.67K | -9.4% | $4.50M | 0.0% | ▼ Trim | 2 | SEC ↗ |
| 38 | Millennium Management ✦ | 61.43K | -88.5% | $4.49M | 0.0% | ▼ Trim | 8 | SEC ↗ |
| 39 | Legal & General Group Plc | 59.12K | -5.3% | $4.32M | 0.0% | ▼ Trim | 2 | SEC ↗ ×3 |
| 40 | Ameriprise Financial Inc | 56.53K | -6.2% | $4.13M | 0.0% | ▼ Trim | 2 | SEC ↗ ×2 |
| 41 | American Century Companies Inc | 55.23K | +1.7% | $4.03M | 0.0% | ▲ Add | 2 | SEC ↗ |
| 42 | Fidelity (FMR) ✦ | 51.80K | +40.3% | $3.78M | 0.0% | ▲ Add | 4 | SEC ↗ ×2 |
| 43 | Swiss National Bank | 49.00K | 0.0% | $3.58M | 0.0% | Held | 2 | SEC ↗ |
| 44 | Bnp Paribas Financial Markets | 37.97K | +171.1% | $2.77M | 0.0% | ▲ Add | 2 | SEC ↗ |
| 45 | Creative Planning | 37.63K | -15.8% | $2.75M | 0.0% | ▼ Trim | 2 | SEC ↗ |
| 46 | Marshall Wace ✦ | 33.53K | +263.3% | $2.45M | 0.0% | ▲ Add | 2 | SEC ↗ ×2 |
| 47 | Franklin Resources Inc | 33.48K | +17.4% | $2.45M | 0.0% | ▲ Add | 2 | SEC ↗ ×4 |
| 48 | T. Rowe Price ✦ | 31.83K | +12.1% | $2.32M | 0.0% | ▲ Add | 8 | SEC ↗ |
| 49 | Alliancebernstein L.P. | 26.51K | -1.5% | $2.03M | 0.0% | ▼ Trim | 2 | SEC ↗ |
| 50 | California State Teachers… | 27.53K | +15.7% | $2.01M | 0.0% | ▲ Add | 2 | SEC ↗ |
| 51 | Holocene Advisors, LP | 26.47K | +39.0% | $1.93M | 0.0% | ▲ Add | 2 | SEC ↗ |
| 52 | Hsbc Holdings Plc | 25.35K | -14.6% | $1.85M | 0.0% | ▼ Trim | 2 | SEC ↗ ×2 |
| 53 | Prudential Financial Inc | 25.27K | +7.7% | $1.85M | 0.0% | ▲ Add | 2 | SEC ↗ |
| 54 | Voya Investment Management Llc | 25.09K | -0.7% | $1.83M | 0.0% | ▼ Trim | 2 | SEC ↗ |
| 55 | Citigroup Inc | 23.79K | +34.3% | $1.74M | 0.0% | ▲ Add | 2 | SEC ↗ ×3 |
| 56 | Deutsche Bank Ag\ | 22.75K | +15.7% | $1.66M | 0.0% | ▲ Add | 2 | SEC ↗ ×3 |
| 57 | Cerity Partners LLC | 22.51K | +16.6% | $1.64M | 0.0% | ▲ Add | 2 | SEC ↗ ×3 |
| 58 | Barclays Plc | 21.19K | -53.8% | $1.55M | 0.0% | ▼ Trim | 2 | SEC ↗ ×3 |
| 59 | Mariner, LLC | 19.71K | +25.7% | $1.44M | 0.0% | ▲ Add | 2 | SEC ↗ |
| 60 | Arrowstreet Capital ✦ | 18.50K | +196.5% | $1.35M | 0.0% | ▲ Add | 2 | SEC ↗ |
| 61 | Wells Fargo & Company/Mn | 17.63K | -49.8% | $1.29M | 0.0% | ▼ Trim | 2 | SEC ↗ ×3 |
| 62 | Raymond James Financial Inc | 17.52K | New | $1.28M | 0.0% | New | 1 | SEC ↗ ×2 |
| 63 | Squarepoint Ops LLC | 16.49K | New | $1.20M | 0.0% | New | 1 | SEC ↗ |
| 64 | Capstone Investment Advisors, Llc | 15.76K | +38.8% | $1.15M | 0.0% | ▲ Add | 2 | SEC ↗ |
| 65 | Cwm, Llc | 14.33K | +37.1% | $1.05M | 0.0% | ▲ Add | 2 | SEC ↗ |
| 66 | First Trust Advisors Lp | 12.72K | +3.6% | $928,522 | 0.0% | ▲ Add | 2 | SEC ↗ ×2 |
| 67 | Fifth Third Bancorp | 12.48K | +5303.5% | $911,467 | 0.0% | ▲ Add | 2 | SEC ↗ |
| 68 | MIRAE ASSET GLOBAL ETFS HOLDINGS… | 11.64K | +0.8% | $850,099 | 0.0% | ▲ Add | 2 | SEC ↗ |
| 69 | Manufacturers Life Insurance… | 11.20K | -3.4% | $818,043 | 0.0% | ▼ Trim | 2 | SEC ↗ |
| 70 | Susquehanna International Group, Llp | 10.49K | +71.3% | $766,126 | 0.0% | ▲ Add | 2 | SEC ↗ |
| 71 | New York State Common Retirement… | 8.91K | 0.0% | $650,681 | 0.0% | Held | 2 | SEC ↗ |
| 72 | Amundi | 8.88K | +71.0% | $648,053 | 0.0% | ▲ Add | 2 | SEC ↗ |
| 73 | Mercer Global Advisors Inc /Adv | 8.40K | +11.5% | $613,660 | 0.0% | ▲ Add | 2 | SEC ↗ |
| 74 | Man Group plc | 8.09K | +41.5% | $590,878 | 0.0% | ▲ Add | 2 | SEC ↗ ×2 |
| 75 | Wealth Enhancement Advisory… | 7.90K | -14.4% | $582,741 | 0.0% | ▼ Trim | 2 | SEC ↗ |
| 76 | Gotham Asset Management ✦ | 7.67K | New | $560,355 | 0.0% | New | 1 | SEC ↗ |
| 77 | State Board Of Administration Of… | 6.73K | 0.0% | $491,206 | 0.0% | Held | 2 | SEC ↗ |
| 78 | Zurcher Kantonalbank (Zurich… | 6.42K | -32.2% | $468,715 | 0.0% | ▼ Trim | 2 | SEC ↗ |
| 79 | Bridgewater Associates ✦ | 5.95K | New | $434,469 | 0.0% | New | 1 | SEC ↗ |
| 80 | Quantinno Capital Management LP | 5.61K | -23.2% | $409,406 | 0.0% | ▼ Trim | 2 | SEC ↗ |
| 81 | Cetera Investment Advisers | 5.32K | +9.4% | $388,108 | 0.0% | ▲ Add | 2 | SEC ↗ |
| 82 | LPL Financial LLC | 4.91K | -3.3% | $358,493 | 0.0% | ▼ Trim | 2 | SEC ↗ |
| 83 | Pictet Asset Management Holding SA | 4.71K | +16.2% | $343,778 | 0.0% | ▲ Add | 2 | SEC ↗ |
| 84 | Universal- Beteiligungs- und… | 4.53K | New | $330,562 | 0.0% | New | 1 | SEC ↗ |
| 85 | Envestnet Asset Management Inc | 3.93K | +13.5% | $286,847 | 0.0% | ▲ Add | 2 | SEC ↗ |
| 86 | Tidal Investments LLC | 3.85K | +36.0% | $281,346 | 0.0% | ▲ Add | 2 | SEC ↗ |
| 87 | Tudor Investment Corp Et Al | 3.78K | New | $276,308 | 0.0% | New | 1 | SEC ↗ |
| 88 | Captrust Financial Advisors | 3.60K | +7.1% | $262,885 | 0.0% | ▲ Add | 2 | SEC ↗ |
| 89 | Ensign Peak Advisors, Inc | 1.21K | 0.0% | $88,281 | 0.0% | Held | 2 | SEC ↗ |
| 90 | Jones Financial Companies Lllp | 1.11K | +366.5% | $80,528 | 0.0% | ▲ Add | 2 | SEC ↗ |
| 91 | Pnc Financial Services Group, Inc. | 1.08K | -54.3% | $78,789 | 0.0% | ▼ Trim | 2 | SEC ↗ ×3 |
| 92 | Royal Bank Of Canada | 745 | -82.2% | $55,000 | 0.0% | ▼ Trim | 2 | SEC ↗ ×3 |
| 93 | BNP Paribas Asset Management… | 616 | +34.8% | $44,980 | 0.0% | ▲ Add | 2 | SEC ↗ |
| 94 | Nomura Asset Management Co Ltd | 370 | New | $27,017 | 0.0% | New | 1 | SEC ↗ |
| 95 | Rockefeller Capital Management L.P. | 297 | -59.2% | $21,702 | 0.0% | ▼ Trim | 2 | SEC ↗ |
| 96 | Osaic Holdings, Inc. | 297 | -8.9% | $21,684 | 0.0% | ▼ Trim | 2 | SEC ↗ |
| 97 | Us Bancorp \De\ | 135 | -40.0% | $9,858 | 0.0% | ▼ Trim | 2 | SEC ↗ |
| 98 | Mitsubishi UFJ Asset Management… | 42 | 0.0% | $3,067 | 0.0% | Held | 2 | SEC ↗ |
| 99 | Optiver Holding B.V. | 30 | New | $2,191 | 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
| Raymond James Financial Inc | $1.28M | 0.0% |
| Squarepoint Ops LLC | $1.20M | 0.0% |
| Gotham Asset Management | $560,355 | 0.0% |
| Bridgewater Associates | $434,469 | 0.0% |
| Universal- Beteiligungs- und… | $330,562 | 0.0% |
| Tudor Investment Corp Et Al | $276,308 | 0.0% |
| Nomura Asset Management Co Ltd | $27,017 | 0.0% |
| Optiver Holding B.V. | $2,191 | 0.0% |
Exited
| Norges Bank | $10.65M | was 0.0% |
| Canada Pension Plan… | $1.99M | was 0.0% |
| Mackenzie Financial Corp | $230,839 | was 0.0% |
| Danske Bank A/S | $45,924 | was 0.0% |
| TD Waterhouse Canada Inc. | $7,646 | 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: Q1 2026 ·
Methodology ·
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