Innospec Ownership | Who Owns Innospec?
Innospec Ownership Summary
Innospec is owned by 95.83% institutional investors, 1.27% insiders, and 2.91% retail investors. Blackrock is the largest institutional shareholder, holding 15.70% of IOSP shares. Allspring Special Small Cap Value A is the top mutual fund, with 6.48% of its assets in Innospec shares.
IOSP Ownership Benchmark
| Type | Name | % Inst | % Insiders | % Retail |
|---|---|---|---|---|
| Stock | Innospec | 95.83% | 1.27% | 2.91% |
| Sector | Basic Materials Stocks | 36.61% | 12.69% | 50.70% |
Institutional Shareholders
Top Institutional Shareholders by Total Shares
| Holder | Shares | % Holding | Value |
|---|---|---|---|
| Blackrock | 3.91M | 15.70% | $482.97M |
| Blackrock funding, inc. /de | 3.63M | 14.56% | $280.32M |
| Vanguard group | 3.14M | 12.60% | $242.55M |
| Allspring global investments | 2.39M | 9.58% | $183.76M |
| Dimensional fund advisors lp | 1.17M | 4.68% | $90.04M |
| State street | 929.12K | 3.72% | $71.69M |
| Victory capital management | 835.89K | 3.35% | $64.50M |
| First trust advisors lp | 640.56K | 2.57% | $49.43M |
| Geode capital management | 614.21K | 2.46% | $47.40M |
| Royce & associates lp | 492.61K | 1.97% | $38.01M |
Top Institutional Shareholders by % of Total Assets
| Holder | Shares | % Assets | Value |
|---|---|---|---|
| Medina value partners | 235.96K | 4.25% | $18.21M |
| Qsv equity investors | 12.16K | 0.96% | $938.65K |
| Numerai gp | 81.54K | 0.89% | $6.29M |
| Cm management | 12.00K | 0.77% | $925.92M |
| Semanteon capital management, lp | 7.32K | 0.71% | $565.12K |
| Western standard | 27.00K | 0.62% | $2.08M |
| Round hill asset management | 11.97K | 0.61% | $923.91K |
| Royce & associates lp | 492.61K | 0.38% | $38.01M |
| Entrypoint capital | 10.69K | 0.32% | $824.46K |
| Allspring global investments | 2.39M | 0.29% | $183.76M |
Top Buyers
| Holder | Shares | % Assets | Change |
|---|---|---|---|
| Medina value partners | 235.96K | 4.25% | 235.96K |
| Goldman sachs group | 282.64K | 0.00% | 177.97K |
| Millennium management | 170.41K | 0.01% | 168.35K |
| Nuveen | 411.28K | 0.01% | 115.27K |
| Walleye capital | 150.81K | 0.04% | 110.69K |
Top Sellers
| Holder | Shares | % Assets | Change |
|---|---|---|---|
| Wasatch advisors lp | - | - | -528.14K |
| Pacer advisors | - | - | -485.71K |
| Champlain investment partners | - | - | -223.39K |
| First trust advisors lp | 640.56K | 0.04% | -161.94K |
| Invesco | 80.84K | 0.00% | -142.92K |
New Positions
| Holder | Shares | % Assets | Change | Value |
|---|---|---|---|---|
| Medina value partners | 235.96K | 4.25% | 235.96K | $18.21M |
| Norges bank | 102.78K | 0.00% | 102.78K | $11.31M |
| Western standard | 27.00K | 0.62% | 27.00K | $2.08M |
| Canada pension plan investment board | 26.00K | 0.00% | 26.00K | $2.01M |
| Jacobs levy equity management | 12.82K | 0.01% | 12.82K | $1.58M |
Sold Out
| Holder | Change |
|---|---|
| Tfc financial management | -1.00 |
| Tfo-tdc | -1.00 |
| Financial gravity asset management | -2.00 |
| Claris advisors, llc / mo / | -2.00 |
| Innealta capital | -2.00 |
Institutional Ownership Trends
| Date | Holdings | Change % | Shares | Change % | Ownership | Change % | Increased Position | Change % | Decreased Position | Change % |
|---|---|---|---|---|---|---|---|---|---|---|
| Sep 30, 2025 | 255 | -2.30% | 23,912,768 | -0.63% | 95 | 1.03% | 132 | -5.71% | 94 | 9.30% |
| Jun 30, 2025 | 256 | -6.91% | 24,009,943 | -1.59% | 96 | 1.01% | 138 | -2.13% | 83 | -8.79% |
| Mar 31, 2025 | 4 | -98.48% | 319,463 | -98.68% | 1 | 0.01% | 4 | -96.92% | - | -100.00% |
| Dec 31, 2024 | 248 | -5.34% | 23,103,575 | -3.76% | 92 | 1.00% | 122 | 1.67% | 90 | -13.46% |
| Sep 30, 2024 | 259 | -1.89% | 23,997,292 | 0.04% | 96 | 1.04% | 117 | -18.18% | 104 | 18.18% |
Top Mutual Funds Shareholders
| Holder | Shares | % Holding | Change |
|---|---|---|---|
| Allspring Special Small Cap Value A | 1.61M | 6.48% | - |
| iShares Core S&P Small-Cap ETF | 1.48M | 5.98% | - |
| Vanguard Total Stock Mkt Idx Inv | 787.43K | 3.17% | -16.81K |
| Vanguard US Total Market Shares ETF | 791.22K | 3.15% | 864.00 |
| Victory Sycamore Small Company Opp R | 690.00K | 2.76% | -130.00K |
| Victory Small Cap Value CIT (Net 75) | 685.00K | 2.75% | 19.00K |
| Wasatch Core Growth | 639.99K | 2.57% | -78.52K |
| Vanguard Small Cap Index | 605.35K | 2.44% | -4.21K |
| iShares Russell 2000 ETF | 597.74K | 2.41% | - |
| First Trust Value Line® Dividend ETF | 454.63K | 1.83% | 115.00 |
Recent Insider Transactions
| Date | Name | Role | Activity | Value |
|---|---|---|---|---|
| Nov 14, 2025 | PARRETTE LESLIE J | - | Buy | $25.19K |
| May 13, 2025 | PARRETTE LESLIE J | - | Sell | $24.46K |
| May 13, 2025 | PARRETTE LESLIE J | - | Sell | $15.96K |
| Mar 03, 2025 | Cleminson Ian | EVP & CFO | Sell | $431.68K |
| Feb 24, 2025 | BARNES CORBIN | SVP, Corporate Dev and IR | Sell | $61.63K |
Insider Transactions Trends
| Date | Buy | Sell |
|---|---|---|
| 2025 Q2 | - | 2 |
| 2025 Q1 | - | 7 |
| 2024 Q4 | - | 4 |
| 2024 Q3 | 1 | 4 |
| 2024 Q2 | 1 | 1 |
IOSP Ownership FAQ
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