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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
QL
226
Quarry LP
New York
$9.34K +$8.35K +100 +476%
RA
227
Rise Advisors
New York
$7.95K – – –
SO
228
STRS Ohio
Ohio
$7.72K -$610K -7,300 -99%
HCA
229
Harbor Capital Advisors
Illinois
$7K – – –
TWD
230
True Wealth Design
Ohio
$5.94K +$1.5K +18 +31%
GI
231
GAMMA Investing
California
$5.79K -$12.8K -153 -67%
HI
232
Harbour Investments
Wisconsin
$5.17K – – –
Bessemer Group
233
Bessemer Group
New Jersey
$5K -$1.34K -16 -18%
PWAM
234
Private Wealth Asset Management
Iowa
$4.86K – – –
UB
235
UMB Bank
Missouri
$4.63K -$2.42K -29 -33%
IA
236
IFP Advisors
Florida
$4.32K -$250 -3 -5%
QCG
237
Quadrant Capital Group
Ohio
$4.32K +$4.68K +56 New
HNW
238
High Note Wealth
Minnesota
$4.01K +$4.34K +52 New
SL
239
Salomon & Ludwin
Virginia
$3.78K +$4.01K +48 New
RFP
240
Root Financial Partners
California
$3.47K +$3.76K +45 New
Mitsubishi UFJ Asset Management
241
Mitsubishi UFJ Asset Management
Japan
$3.24K – – –
PAS
242
Point72 Asia (Singapore)
Singapore
$3.01K -$160K -1,911 -98%
RIL
243
Rothschild Investment LLC
Illinois
$2.62K -$83 -1 -3%
PWMG
244
Private Wealth Management Group
New Jersey
$1.54K -$1.92K -23 -53%
Fifth Third Bancorp
245
Fifth Third Bancorp
Ohio
$1.39K -$3.67K -44 -71%
FMII
246
Farmers & Merchants Investments Inc
Nebraska
$1.39K – – –
HWM
247
Hemington Wealth Management
Virginia
$1K +$668 +8 +57%
BFS
248
Bare Financial Services
Pennsylvania
$926 +$501 +6 +100%
SS
249
Sunbelt Securities
Texas
$849 +$918 +11 New
WA
250
WPG Advisers
Maryland
$772 +$167 +2 +25%
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.