Innospec Ownership | Who Owns Innospec?
Innospec Ownership Summary
Innospec is owned by 74.32% institutional investors, 1.21% insiders, and 24.46% 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 6.21% of its assets in Innospec shares.
IOSP Ownership Benchmark
| Type | Name | % Inst | % Insiders | % Retail |
|---|---|---|---|---|
| Stock | Innospec | 74.32% | 1.21% | 24.46% |
| Sector | Basic Materials Stocks | 32.98% | 12.17% | 54.85% |
Institutional Shareholders
Top Institutional Shareholders by Total Shares
| Holder | Shares | % Holding | Value |
|---|---|---|---|
| Blackrock | 3.91M | 15.70% | $482.97M |
| Blackrock funding, inc. /de | 3.66M | 14.75% | $280.31M |
| Vanguard group | 3.12M | 12.57% | $238.89M |
| Allspring global investments | 2.36M | 9.49% | $179.75M |
| Dimensional fund advisors lp | 1.18M | 4.73% | $89.95M |
| State street | 949.04K | 3.82% | $72.64B |
| Victory capital management | 835.89K | 3.35% | $64.50M |
| First trust advisors lp | 640.56K | 2.57% | $49.43M |
| Geode capital management | 609.22K | 2.45% | $46.64M |
| Nuveen | 502.60K | 2.02% | $38.47M |
Top Institutional Shareholders by % of Total Assets
| Holder | Shares | % Assets | Value |
|---|---|---|---|
| Western standard | 268.37K | 9.47% | $20.54M |
| Medina value partners | 235.96K | 4.25% | $18.21M |
| First wilshire securities management | 100.57K | 1.94% | $7.70M |
| Cm management | 20.00K | 1.29% | $1.53M |
| Qsv equity investors | 10.69K | 1.21% | $818.52K |
| Numerai gp | 81.54K | 0.89% | $6.29M |
| Round hill asset management | 11.97K | 0.58% | $916.49K |
| Gendell jeffrey l | 285.35K | 0.38% | $21.84M |
| Entrypoint capital | 10.69K | 0.32% | $817.83K |
| Allspring global investments | 2.36M | 0.29% | $179.75M |
Top Buyers
| Holder | Shares | % Assets | Change |
|---|---|---|---|
| Western standard | 268.37K | 9.47% | 241.37K |
| Medina value partners | 235.96K | 4.25% | 235.96K |
| Goldman sachs group | 484.97K | 0.00% | 202.32K |
| Millennium management | 170.41K | 0.01% | 168.35K |
| Norges bank | 139.20K | 0.00% | 139.20K |
Top Sellers
| Holder | Shares | % Assets | Change |
|---|---|---|---|
| Wasatch advisors lp | - | - | -528.14K |
| Pacer advisors | - | - | -485.71K |
| Champlain investment partners | - | - | -223.39K |
| Royce & associates lp | 305.23K | 0.24% | -187.39K |
| First trust advisors lp | 640.56K | 0.04% | -161.94K |
New Positions
| Holder | Shares | % Assets | Change | Value |
|---|---|---|---|---|
| Medina value partners | 235.96K | 4.25% | 235.96K | $18.21M |
| Norges bank | 139.20K | 0.00% | 139.20K | $10.65M |
| First wilshire securities management | 100.57K | 1.94% | 100.57K | $7.70M |
| 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 |
|---|---|
| Tfo-tdc | -1.00 |
| Tfc financial management | -1.00 |
| Claris advisors, llc / mo / | -2.00 |
| Financial gravity asset management | -2.00 |
| Ronald blue trust | -2.00 |
Institutional Ownership Trends
| Date | Holdings | Change % | Shares | Change % | Ownership | Change % | Increased Position | Change % | Decreased Position | Change % |
|---|---|---|---|---|---|---|---|---|---|---|
| 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% |
| Dec 31, 2024 | 248 | -5.34% | 23,103,575 | -3.76% | 92 | 1.00% | 122 | 1.67% | 90 | -13.46% |
Top Mutual Funds Shareholders
| Holder | Shares | % Holding | Change |
|---|---|---|---|
| Allspring Special Small Cap Value A | 1.54M | 6.21% | -30.40K |
| iShares Core S&P Small-Cap ETF | 1.50M | 6.07% | -159.45K |
| Vanguard Total Stock Mkt Idx Inv | 786.61K | 3.17% | 2.58K |
| 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 |
| Victory Sycamore Small Company Opp R | 690.00K | 2.78% | 83.00K |
| Wasatch Core Growth | 639.99K | 2.57% | -78.52K |
| iShares Russell 2000 ETF | 585.20K | 2.36% | 53.53K |
| Vanguard Small Cap Index | 561.12K | 2.26% | -75.00 |
| 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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