We are live on ! Find out more
IOSP icon

Innospec

272 hedge funds and large institutions have $2.29B invested in Innospec in 2025 Q1 according to their latest regulatory filings, with 43 funds opening new positions, 97 increasing their positions, 92 reducing their positions, and 32 closing their positions.

New
Increased
Maintained
Reduced
Closed

100% more funds holding in top 10

Funds holding in top 10: 12 (+1)

34% more first-time investments, than exits

New positions opened: 43 | Existing positions closed: 32

4% more funds holding

Funds holding: 262272 (+10)

1.08% more ownership

Funds ownership: 97.08%98.16% (+1.1%)

5% more repeat investments, than reductions

Existing positions increased: 97 | Existing positions reduced: 92

14% less capital invested

Capital invested by funds: $2.66B → $2.29B (-$366M)

82% less call options, than puts

Call options by funds: $19K | Put options by funds: $104K

Holders
272
Holders Change
+10
Holders Change %
+3.82%
% of All Funds
3.65%
Holding in Top 10
2
Holding in Top 10 Change
+1
Holding in Top 10 Change %
+100%
% of All Funds
0.03%
New
43
Increased
97
Reduced
92
Closed
32
Calls
$19K
Puts
$104K
Net Calls
-$85K
Net Calls Change
-$569K
Name Holding Trade Value Shares
Change
Change in
Stake
Healthcare of Ontario Pension Plan (HOOPP) Trust Fund
101
Healthcare of Ontario Pension Plan (HOOPP) Trust Fund
Ontario, Canada
$1.23M
Ohio Public Employees Retirement System (OPERS)
102
Ohio Public Employees Retirement System (OPERS)
Ohio
$1.23M -$264K -2,500 -16%
New York State Teachers Retirement System (NYSTRS)
103
New York State Teachers Retirement System (NYSTRS)
New York
$1.2M -$242K -2,285 -15%
XT
104
XTX Topco
Cayman Islands
$1.19M +$1.33M +12,545 New
QEI
105
QSV Equity Investors
Illinois
$1.17M -$2.96K -28 -0.2%
RHAM
106
Round Hill Asset Management
California
$1.13M
LTAS
107
Linden Thomas Advisory Services
North Carolina
$1.13M -$4.34K -41 -0.3%
LSERS
108
Louisiana State Employees Retirement System
Louisiana
$1.11M -$42.3K -400 -3%
ANTB
109
AMG National Trust Bank
Colorado
$1.1M +$1.9K +18 +0.2%
BMSSC
110
B. Metzler seel. Sohn & Co
Germany
$1.1M -$1.43M -13,472 -54%
Ensign Peak Advisors
111
Ensign Peak Advisors
Utah
$1.06M
ECM
112
ExodusPoint Capital Management
New York
$1.04M +$1.16M +10,963 New
LPL Financial
113
LPL Financial
California
$1.02M +$126K +1,193 +12%
BHCM
114
Brevan Howard Capital Management
Jersey
$1.01M +$339K +3,207 +43%
TAF
115
Tredje AP-fonden
Sweden
$995K
ACM
116
Aquatic Capital Management
Illinois
$983K +$1.03M +9,755 +1,584%
DTL
117
Dynamic Technology Lab
Singapore
$965K +$1.08M +10,185 New
Amundi
118
Amundi
France
$941K -$252K -2,380 -18%
Walleye Capital
119
Walleye Capital
New York
$895K +$1,000K +9,451 New
YCM
120
Yousif Capital Management
Michigan
$875K -$25K -236 -2%
EC
121
EntryPoint Capital
New York
$846K +$562K +5,314 +147%
SSA
122
Schonfeld Strategic Advisors
New York
$802K +$499K +4,720 +126%
Comerica Bank
123
Comerica Bank
Texas
$799K -$22K -208 -2%
SO
124
STRS Ohio
Ohio
$796K
JIR
125
James Investment Research
Ohio
$790K

IOSP Hedge Fund Activity: Q1 2025 in Review

272 of the 7,457 institutional investors tracked by Wall St. Rank reported a position in Innospec (IOSP) for Q1 2025, worth a combined $2.29B — down 14% from $2.66B a quarter earlier.

Buyers outnumbered sellers: 43 funds opened new IOSP positions and 32 closed out — a net gain of 11 holders — while 97 added to existing stakes and 92 trimmed.

The largest buyer was First Trust Advisors, adding an estimated $48.9M. The largest seller was Wasatch Advisors, cutting an estimated $111M.

  • 272 institutional investors held Innospec (IOSP) as of Q1 2025, up from 262 in Q4 2024.
  • Funds reported $2.29B of Innospec stock for Q1 2025, down 14% quarter-over-quarter.
  • 43 funds opened new Innospec positions in Q1 2025 and 32 closed out, a net change of +11 holders.
  • The largest Innospec buyer in Q1 2025 was First Trust Advisors, an estimated $48.9M added.
  • The largest Innospec seller in Q1 2025 was Wasatch Advisors, an estimated $111M sold.

Based on aggregated 13F filings for Q1 2025.