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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.

New
Increased
Maintained
Reduced
Closed

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)

Holders
266
Holders Change
+4
Holders Change %
+1.53%
% of All Funds
3.49%
Holding in Top 10
–
Holding in Top 10 Change
–
Holding in Top 10 Change %
–
% of All Funds
–
New
32
Increased
108
Reduced
97
Closed
25
Calls
$11.6M
Puts
$309K
Net Calls
+$11.3M
Net Calls Change
+$11.3M

Top Buyers

Rank Fund Capital Flow
1
MVP
Medina Value Partners
California
+$19.7M
2
Goldman Sachs
Goldman Sachs
New York
+$14.9M
3
Millennium Management
Millennium Management
New York
+$11M
4
N
Nuveen
North Carolina
+$9.62M
5
Walleye Capital
Walleye Capital
New York
+$9.24M

Top Sellers

Rank Fund Capital Flow
1
First Trust Advisors
First Trust Advisors
Illinois
-$13.5M
2
Invesco
Invesco
Georgia
-$11.9M
3
RA
Royce & Associates
New York
-$11.3M
4
Victory Capital Management
Victory Capital Management
Texas
-$10.2M
5
SBH
Segall Bryant & Hamill
Illinois
-$9.94M
Name Holding Trade Value Shares
Change 		Change in
Stake
CAU
276
Caxton Associates (UK)
– -$430K -5,116 Closed
Bank of Montreal
277
Bank of Montreal
Ontario, Canada
– -$355K -4,217 Closed
JG
278
Jain Global
New York
– -$286K -3,401 Closed
HighTower Advisors
279
HighTower Advisors
Illinois
– -$243K -2,895 Closed
SA
280
Sanctuary Advisors
Indiana
– -$222K -2,640 Closed
FC
281
FORA Capital
Florida
– -$220K -2,619 Closed
GD
282
Grandfield & Dodd
New York
– -$202K -2,400 Closed
KIM
283
Kestra Investment Management
Texas
– -$2.31K -25 Closed
BIG
284
Brooklyn Investment Group
New York
– -$1.85K -22 Closed
GWM
285
Geneos Wealth Management
Colorado
– -$1.77K -21 Closed
LFG
286
Larson Financial Group
Missouri
– -$1.34K -16 Closed
NC
287
NewSquare Capital
Pennsylvania
– -$841 -10 Closed
AssetMark Inc
288
AssetMark Inc
California
– -$252 -3 Closed
HNB
289
Huntington National Bank
Ohio
– -$252 -3 Closed
CCM
290
Cloud Capital Management
Washington
– +$334 +4 New
Simplex Trading
291
Simplex Trading
Illinois
– +$334 +4 New
8 9 10 11
12

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.