Innospec
IOSP
266 hedge funds and large institutions have $1.85B invested in Innospec in 2025 Q3 according to their latest regulatory filings, with 32 funds opening new positions, 108 increasing their positions, 97 reducing their positions, and 25 closing their positions.
3,650% more call options, than puts
Call options by funds: $11.6M | Put options by funds: $309K
28% more first-time investments, than exits
New positions opened: 32 | Existing positions closed: 25
11% more repeat investments, than reductions
Existing positions increased: 108 | Existing positions reduced: 97
2% more funds holding
Funds holding: 262 → 266 (+4)
0.16% more ownership
Funds ownership: 96.33% → 96.49% (+0.16%)
9% less capital invested
Capital invested by funds: $2.03B → $1.85B (-$182M)
Top Buyers
| Rank | Fund | Capital Flow |
|---|---|---|
| 1 |
MVP
Medina Value Partners
Los Angeles,
California
|
+$19.7M |
| 2 |
Goldman Sachs
New York
|
+$14.9M |
| 3 |
Millennium Management
New York
|
+$11M |
| 4 |
N
Nuveen
Charlotte,
North Carolina
|
+$9.62M |
| 5 |
Walleye Capital
New York
|
+$9.24M |
Top Sellers
| Rank | Fund | Capital Flow |
|---|---|---|
| 1 |
First Trust Advisors
Wheaton,
Illinois
|
-$13.5M |
| 2 |
Invesco
Atlanta,
Georgia
|
-$11.9M |
| 3 |
RA
Royce & Associates
New York
|
-$11.3M |
| 4 |
Victory Capital Management
San Antonio,
Texas
|
-$10.2M |
| 5 |
SBH
Segall Bryant & Hamill
Chicago,
Illinois
|
-$9.94M |
IOSP Hedge Fund Activity: Q3 2025 in Review
266 of the 7,619 institutional investors tracked by Wall St. Rank reported a position in Innospec (IOSP) for Q3 2025, worth a combined $1.85B — down 9% from $2.03B a quarter earlier.
Buyers outnumbered sellers: 32 funds opened new IOSP positions and 25 closed out — a net gain of 7 holders — while 108 added to existing stakes and 97 trimmed.
The largest buyer was Medina Value Partners, opening a new position worth an estimated $19.7M. The largest seller was First Trust Advisors, cutting an estimated $13.5M.
- 266 institutional investors held Innospec (IOSP) as of Q3 2025, up from 262 in Q2 2025.
- Funds reported $1.85B of Innospec stock for Q3 2025, down 9% quarter-over-quarter.
- 32 funds opened new Innospec positions in Q3 2025 and 25 closed out, a net change of +7 holders.
- The largest Innospec buyer in Q3 2025 was Medina Value Partners, an estimated $19.7M added.
- The largest Innospec seller in Q3 2025 was First Trust Advisors, an estimated $13.5M sold.
Based on aggregated 13F filings for Q3 2025.