Innospec Ownership | Who Owns Innospec?
Innospec Ownership Summary
Innospec is owned by 100.21% institutional investors, 1.35% insiders. Blackrock funding, inc. /de is the largest institutional shareholder, holding 17.68% of IOSP shares. iShares Core S&P Small-Cap ETF is the top mutual fund, with 6.09% of its assets in Innospec shares.
IOSP Ownership Benchmark
| Type | Name | % Inst | % Insiders | % Retail |
|---|---|---|---|---|
| Stock | Innospec | 100.21% | 1.35% | -1.55% |
| Sector | Basic Materials Stocks | 58.82% | 12.62% | 28.56% |
Institutional Shareholders
Top Institutional Shareholders by Total Shares
| Holder | Shares | % Holding | Value |
|---|---|---|---|
| Blackrock funding, inc. /de | 4.38M | 17.68% | $356.60M |
| Blackrock | 3.91M | 15.70% | $482.97M |
| Vanguard group | 3.12M | 12.57% | $238.89M |
| Allspring global investments | 1.89M | 7.64% | $154.75M |
| Dimensional fund advisors lp | 1.31M | 5.27% | $106.22M |
| Vanguard capital management | 1.11M | 4.47% | $90.19M |
| State street | 996.03K | 4.02% | $81.07M |
| Nuveen | 755.72K | 3.05% | $61.51M |
| Geode capital management | 666.59K | 2.69% | $54.26M |
| Goldman sachs group | 662.21K | 2.67% | $53.90M |
Top Institutional Shareholders by % of Total Assets
| Holder | Shares | % Assets | Value |
|---|---|---|---|
| Western standard | 236.83K | 6.53% | $19.28M |
| First wilshire securities management | 147.11K | 2.47% | $11.97M |
| Cm management | 32.00K | 1.65% | $2.60M |
| Qsv equity investors | 10.69K | 1.21% | $818.52K |
| Round hill asset management | 11.97K | 0.61% | $974.56K |
| Sg capital management | 71.02K | 0.48% | $5.78M |
| Leeward investments, llc - ma | 125.31K | 0.46% | $10.20M |
| Numerai gp | 66.93K | 0.45% | $5.45M |
| Mqs management | 3.64K | 0.36% | $296.50K |
| Huber capital management | 29.15K | 0.35% | $2.37M |
Top Buyers
| Holder | Shares | % Assets | Change |
|---|---|---|---|
| Blackrock funding, inc. /de | 4.38M | 0.01% | 502.35K |
| Sixth street partners management company | 355.66K | 0.00% | 355.66K |
| Aqr capital management | 482.55K | 0.01% | 170.48K |
| Goldman sachs group | 662.21K | 0.00% | 170.20K |
| Acadian asset management | 274.00K | 0.03% | 151.45K |
Top Sellers
| Holder | Shares | % Assets | Change |
|---|---|---|---|
| Wasatch advisors lp | - | - | -528.14K |
| Westwood group | - | - | -491.45K |
| Pacer advisors | - | - | -485.71K |
| Allspring global investments | 1.89M | 0.24% | -423.47K |
| Ubs group | 154.00K | 0.00% | -411.91K |
New Positions
| Holder | Shares | % Assets | Change | Value |
|---|---|---|---|---|
| Sixth street partners management company | 355.66K | 0.00% | 355.66K | $28.95M |
| Norges bank | 139.20K | 0.00% | 139.20K | $10.65M |
| Sg capital management | 71.02K | 0.48% | 71.02K | $5.78M |
| Deprince race & zollo | 68.03K | 0.09% | 68.03K | $4.97M |
| Balyasny asset management | 59.75K | 0.01% | 59.75K | $4.86M |
Sold Out
| Holder | Change |
|---|---|
| Vermillion wealth management | -1.00 |
| Tfo-tdc | -1.00 |
| Tfc financial management | -1.00 |
| Dunhill financial | -1.00 |
| Financial gravity asset management | -2.00 |
Institutional Ownership Trends
| Date | Holdings | Change % | Shares | Change % | Ownership | Change % | Increased Position | Change % | Decreased Position | Change % |
|---|---|---|---|---|---|---|---|---|---|---|
| Jun 30, 2026 | 276 | 3.76% | 24,826,960 | -0.46% | 100 | 0.99% | 143 | -7.14% | 97 | 21.25% |
| Mar 31, 2026 | 184 | -28.96% | 16,980,258 | -30.12% | 68 | 0.72% | 102 | -23.88% | 52 | -42.22% |
| Dec 31, 2025 | 177 | -33.46% | 18,457,238 | -22.98% | 74 | 0.81% | 83 | -40.29% | 63 | -34.38% |
| 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% |
Top Mutual Funds Shareholders
| Holder | Shares | % Holding | Change |
|---|---|---|---|
| iShares Core S&P Small-Cap ETF | 1.50M | 6.09% | 984.00 |
| Allspring Special Small Cap Value A | 1.11M | 4.50% | -95.08K |
| Vanguard MStar Total Stk Mkt Idx Invest | 786.94K | 3.19% | 4.21K |
| Vanguard Morn Total Stk Mkt Idx Investor | 782.74K | 3.18% | -6.72K |
| Vanguard Total Stock Mkt Idx Inv | 782.74K | 3.18% | -6.72K |
| Vanguard US Total Market Shares ETF | 791.22K | 3.15% | 864.00 |
| Victory Small Cap Value CIT (Net 75) | 690.00K | 2.78% | 674.15K |
| iShares Russell 2000 ETF | 639.62K | 2.60% | -11.33K |
| Wasatch Core Growth | 639.99K | 2.57% | -78.52K |
| Vanguard Small Cap Index | 566.12K | 2.30% | 760.00 |
Recent Insider Transactions
| Date | Name | Role | Activity | Value |
|---|---|---|---|---|
| Feb 27, 2026 | Blackmore Milton C | - | Sell | $23.57K |
| Feb 27, 2026 | Blackmore Milton C | - | Sell | $21.90K |
| Feb 27, 2026 | PADFIELD Larry | - | Sell | $21.90K |
| Feb 27, 2026 | PADFIELD Larry | - | Sell | $23.57K |
| Feb 27, 2026 | Poccia Claudia | - | Sell | $4.35K |
Insider Transactions Trends
| Date | Buy | Sell |
|---|---|---|
| 2026 Q3 | - | - |
| 2026 Q1 | - | 18 |
| 2025 Q4 | 1 | - |
| 2025 Q2 | - | 2 |
| 2025 Q1 | - | 7 |
IOSP Ownership FAQ
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