Innospec Ownership | Who Owns Innospec?
Innospec Ownership Summary
Innospec is owned by 68.53% institutional investors, 1.35% insiders, and 30.12% retail investors. Blackrock is the largest institutional shareholder, holding 15.70% of IOSP shares. iShares Core S&P Small-Cap ETF is the top mutual fund, with 6.13% of its assets in Innospec shares.
IOSP Ownership Benchmark
| Type | Name | % Inst | % Insiders | % Retail |
|---|---|---|---|---|
| Stock | Innospec | 68.53% | 1.35% | 30.12% |
| Sector | Basic Materials Stocks | 41.27% | 13.22% | 45.51% |
Institutional Shareholders
Top Institutional Shareholders by Total Shares
| Holder | Shares | % Holding | Value |
|---|---|---|---|
| Blackrock | 3.91M | 15.70% | $482.97M |
| Blackrock funding, inc. /de | 3.88M | 15.65% | $283.24M |
| Vanguard group | 3.12M | 12.57% | $238.89M |
| Allspring global investments | 2.32M | 9.35% | $170.45M |
| Dimensional fund advisors lp | 1.24M | 5.01% | $90.70M |
| State street | 964.34K | 3.89% | $70.42M |
| Victory capital management | 864.99K | 3.49% | $63.16M |
| Nuveen | 643.25K | 2.60% | $46.97M |
| Geode capital management | 630.59K | 2.54% | $46.05M |
| Two sigma investments, lp | 593.04K | 2.39% | $43.30M |
Top Institutional Shareholders by % of Total Assets
| Holder | Shares | % Assets | Value |
|---|---|---|---|
| Western standard | 226.83K | 8.71% | $16.56M |
| First wilshire securities management | 148.07K | 2.44% | $10.81M |
| Cm management | 24.00K | 1.47% | $1.75M |
| Qsv equity investors | 10.69K | 1.21% | $818.52K |
| Round hill asset management | 11.97K | 0.57% | $874.34K |
| Numerai gp | 76.62K | 0.56% | $5.59M |
| Gendell jeffrey l | 294.50K | 0.29% | $21.50M |
| Allspring global investments | 2.32M | 0.29% | $170.45M |
| Huber capital management | 25.15K | 0.28% | $1.84M |
| Zwj investment counsel | 103.79K | 0.27% | $7.58M |
Top Buyers
| Holder | Shares | % Assets | Change |
|---|---|---|---|
| Two sigma investments, lp | 593.04K | 0.03% | 433.52K |
| Ubs group | 565.91K | 0.01% | 423.86K |
| Assenagon asset management | 490.88K | 0.05% | 312.68K |
| Blackrock funding, inc. /de | 3.88M | 0.00% | 216.65K |
| Vanguard fiduciary trust | 160.75K | 0.00% | 160.75K |
Top Sellers
| Holder | Shares | % Assets | Change |
|---|---|---|---|
| Wasatch advisors lp | - | - | -528.14K |
| Westwood group | - | - | -491.45K |
| Pacer advisors | - | - | -485.71K |
| Millennium management | 61.43K | 0.00% | -471.88K |
| Medina value partners | - | - | -378.77K |
New Positions
| Holder | Shares | % Assets | Change | Value |
|---|---|---|---|---|
| Vanguard fiduciary trust | 160.75K | 0.00% | 160.75K | $11.74M |
| Norges bank | 139.20K | 0.00% | 139.20K | $10.65M |
| Deprince race & zollo | 68.03K | 0.09% | 68.03K | $4.97M |
| Penn capital management company | 33.29K | 0.19% | 33.29K | $2.43M |
| Centiva capital, lp | 21.64K | 0.01% | 21.64K | $1.58M |
Sold Out
| Holder | Change |
|---|---|
| Dunhill financial | -1.00 |
| Tfo-tdc | -1.00 |
| Tfc financial management | -1.00 |
| Financial gravity asset management | -2.00 |
| Claris advisors, llc / mo / | -2.00 |
Institutional Ownership Trends
| Date | Holdings | Change % | Shares | Change % | Ownership | Change % | Increased Position | Change % | Decreased Position | Change % |
|---|---|---|---|---|---|---|---|---|---|---|
| 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% |
| Mar 31, 2025 | 4 | -98.48% | 319,463 | -98.68% | 1 | 0.01% | 4 | -96.92% | - | -100.00% |
Top Mutual Funds Shareholders
| Holder | Shares | % Holding | Change |
|---|---|---|---|
| iShares Core S&P Small-Cap ETF | 1.51M | 6.13% | 351.00 |
| Allspring Special Small Cap Value A | 1.49M | 6.03% | -19.92K |
| Vanguard Total Stock Mkt Idx Inv | 797.44K | 3.24% | 2.98K |
| 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 |
| Wasatch Core Growth | 639.99K | 2.57% | -78.52K |
| Victory Sycamore Small Company Opp R | 625.00K | 2.51% | -65.00K |
| iShares Russell 2000 ETF | 579.45K | 2.35% | 4.89K |
| Vanguard Small Cap Index | 570.94K | 2.32% | -455.00 |
| First Trust Value Line® Dividend ETF | 454.63K | 1.83% | 115.00 |
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 Q1 | - | 8 |
| 2025 Q4 | 1 | - |
| 2025 Q2 | - | 2 |
| 2025 Q1 | - | 7 |
| 2024 Q4 | - | 4 |
IOSP Ownership FAQ
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