INNOSPEC INC IOSP
$83.10
+1.6% 52w: $65.12 – $87.39
Latest 13F among current holders filed 11 days ago (Jun 24, 2026)
Price — last 12 months
research preview data65.1276.2687.39
Jun 20, 2025 Jul 2, 2026
Institutional holders
266
+5 QoQ
13F value
$1.82B
-2.0% QoQ
Smart-money holders
8
signal tier ≥ 2
New smart buyers
0
Q1 2026
Options barometer
calls only
$11.5M calls / — puts
Institutional value by quarter
Number of holders
Who owns IOSP?
Q1 2026 filings| Fund | Type | Shares | Value | % of fund | Change |
|---|---|---|---|---|---|
| BlackRock, Inc. | Index provider | 3.9M | $283.2M | 0.0% | +5.9% |
| Allspring Global Investments Holdings, LLC | Diversified mechanical | 2.3M | $170.5M | 0.3% | -1.7% |
| VANGUARD PORTFOLIO MANAGEMENT LLC | Diversified mechanical | 1.9M | $135.8M | 0.0% | — |
| DIMENSIONAL FUND ADVISORS LP | Quant stat arb | 1.2M | $90.7M | 0.0% | +5.7% |
| VANGUARD CAPITAL MANAGEMENT LLC | Diversified mechanical | 1.1M | $81.4M | 0.0% | — |
| STATE STREET CORP | Index provider | 964.3K | $70.4M | 0.0% | +1.6% |
| VICTORY CAPITAL MANAGEMENT INC | Diversified mechanical | 865.0K | $63.2M | 0.0% | -9.0% |
| Nuveen, LLC | Diversified mechanical | 643.2K | $47.0M | 0.0% | +28.0% |
| GEODE CAPITAL MANAGEMENT, LLC | Index provider | 630.6K | $46.1M | 0.0% | +3.5% |
| TWO SIGMA INVESTMENTS, LP | Quant stat arb | 593.0K | $43.3M | 0.0% | +271.8% |
| UBS Group AG | Bank broker | 565.9K | $41.3M | 0.0% | +298.4% |
| GOLDMAN SACHS GROUP INC | Bank broker | 492.0K | $35.9M | 0.0% | +1.5% |
| Assenagon Asset Management S.A. | Diversified mechanical | 490.9K | $35.8M | 0.1% | +175.5% |
| JPMORGAN CHASE & CO | Bank broker | 426.1K | $31.2M | 0.0% | +39.3% |
| Qube Research & Technologies Ltd | Quant stat arb | 406.6K | $29.7M | 0.0% | +26.9% |
| CHARLES SCHWAB INVESTMENT MANAGEMENT INC | Index provider | 365.9K | $26.7M | 0.0% | -2.1% |
| AQR CAPITAL MANAGEMENT LLC | Quant stat arb | 312.1K | $22.8M | 0.0% | +16.4% |
| BROWN ADVISORY INC | Diversified mechanical | 296.5K | $21.6M | 0.0% | -3.1% |
| GENDELL JEFFREY L ★2 | Fundamental diversified | 294.5K | $21.5M | 0.3% | +3.2% |
| BANK OF AMERICA CORP /DE/ | Bank broker | 290.8K | $21.2M | 0.0% | -9.8% |
| D. E. Shaw & Co., Inc. | Quant stat arb | 286.8K | $20.9M | 0.0% | -7.5% |
| NORTHERN TRUST CORP | Index provider | 284.2K | $20.8M | 0.0% | +3.5% |
| ROYCE & ASSOCIATES LP | Other | 261.3K | $19.1M | 0.2% | -14.4% |
| MORGAN STANLEY | Bank broker | 235.6K | $17.2M | 0.0% | -3.3% |
| Western Standard LLC ★2 | Fundamental concentrated | 226.8K | $16.6M | 8.7% | -15.5% |
| CITADEL ADVISORS LLC | Multistrat pod | 220.9K | $16.1M | 0.0% | +203.9% |
| SEI INVESTMENTS CO | Diversified mechanical | 174.1K | $12.7M | 0.0% | +67.9% |
| Point72 Asset Management, L.P. | Multistrat pod | 166.8K | $12.2M | 0.0% | +74.2% |
| VANGUARD FIDUCIARY TRUST CO | Diversified mechanical | 160.8K | $11.7M | 0.0% | — |
| FIRST WILSHIRE SECURITIES MANAGEMENT INC ★2 | Fundamental diversified | 148.1K | $10.8M | 2.4% | +47.2% |
| JANUS HENDERSON GROUP PLC | Diversified mechanical | 133.3K | $9.7M | 0.0% | -11.7% |
| Bank of New York Mellon Corp | Diversified mechanical | 131.3K | $9.6M | 0.0% | -4.7% |
| HRT FINANCIAL LP | Diversified mechanical | 125.1K | $9.1M | 0.0% | +6.9% |
| ACADIAN ASSET MANAGEMENT LLC | Quant stat arb | 122.6K | $8.9M | 0.0% | +765.5% |
| HOTCHKIS & WILEY CAPITAL MANAGEMENT LLC | Other | 120.8K | $8.8M | 0.0% | -3.4% |
| PRINCIPAL FINANCIAL GROUP INC | Diversified mechanical | 120.5K | $8.8M | 0.0% | +2.0% |
| PANAGORA ASSET MANAGEMENT INC | Diversified mechanical | 119.7K | $8.7M | 0.0% | +45.8% |
| RENAISSANCE TECHNOLOGIES LLC | Quant stat arb | 118.9K | $8.7M | 0.0% | -1.2% |
| Invesco Ltd. | Index provider | 118.1K | $8.6M | 0.0% | +12.8% |
| VOLORIDGE INVESTMENT MANAGEMENT, LLC | Diversified mechanical | 108.0K | $7.9M | 0.0% | -22.0% |
| ZWJ INVESTMENT COUNSEL INC | Other | 103.8K | $7.6M | 0.3% | +9.8% |
| TEACHER RETIREMENT SYSTEM OF TEXAS | Diversified mechanical | 103.1K | $7.5M | 0.0% | +22.1% |
| JANE STREET GROUP, LLC | Market maker | 94.5K | $6.9M | 0.0% | -13.3% |
| ProShare Advisors LLC | Index provider | 89.8K | $6.6M | 0.0% | +7.3% |
| Public Sector Pension Investment Board | Pension sovereign | 88.7K | $6.5M | 0.0% | +3.5% |
| MUTUAL OF AMERICA CAPITAL MANAGEMENT LLC | Diversified mechanical | 87.5K | $6.4M | 0.1% | -0.5% |
| Trexquant Investment LP | Diversified mechanical | 78.4K | $5.7M | 0.0% | +70.1% |
| Numerai GP LLC | Quant stat arb | 76.6K | $5.6M | 0.6% | -22.0% |
| UBS AM, a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC | Bank broker | 74.4K | $5.4M | 0.0% | -5.4% |
| Russell Investments Group, Ltd. | Diversified mechanical | 71.6K | $5.2M | 0.0% | +515.8% |
Exits are not a bearish signal: our backtest shows stocks specialists exit keep outperforming for 3+ quarters — selling usually means profit-taking, not a forecast.
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