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Innovative Solutions & Support
ISSC

87 hedge funds and large institutions have $165M invested in Innovative Solutions & Support in 2025 Q4 according to their latest regulatory filings, with 22 funds opening new positions, 32 increasing their positions, 21 reducing their positions, and 21 closing their positions.

New
Increased
Maintained
Reduced
Closed

863% more call options, than puts

Call options by funds: $9.96M | Put options by funds: $1.03M

79% more capital invested

Capital invested by funds: $91.9M → $165M (+$72.8M)

52% more repeat investments, than reductions

Existing positions increased: 32 | Existing positions reduced: 21

7.26% more ownership

Funds ownership: 41.74% → 49% (+7.3%)

5% more first-time investments, than exits

New positions opened: 22 | Existing positions closed: 21

4% less funds holding

Funds holding: 91 → 87 (-4)

Holders
87
Holders Change
-4
Holders Change %
-4.4%
% of All Funds
1.06%
Holding in Top 10
–
Holding in Top 10 Change
–
Holding in Top 10 Change %
–
% of All Funds
–
New
22
Increased
32
Reduced
21
Closed
21
Calls
$9.96M
Puts
$1.03M
Net Calls
+$8.93M
Net Calls Change
+$9.03M

Top Buyers

1
Stifel Financial
Stifel Financial
Missouri
+$3.33M
2
PAIM
Punch & Associates Investment Management
Minnesota
+$3.29M
3
Marshall Wace
Marshall Wace
United Kingdom
+$3.14M
4
Millennium Management
Millennium Management
New York
+$2.96M
5
Jane Street
Jane Street
New York
+$1.75M

Top Sellers

1
Citadel Advisors
Citadel Advisors
Florida
-$2.79M
2
NA
Navellier & Associates
Nevada
-$1.15M
3
WG
Winton Group
United Kingdom
-$1.12M
4
Cetera Investment Advisers
Cetera Investment Advisers
Illinois
-$889K
5
LPL Financial
LPL Financial
California
-$879K
Name Holding Trade Value Shares
Change 		Change in
Stake
Lazard Asset Management
26
Lazard Asset Management
New York
$1.94M -$82.1K -7,210 -7%
MFIM
27
Mesirow Financial Investment Management
Illinois
$1.71M +$345K +30,259 +50%
UBS Group
28
UBS Group
Switzerland
$1.65M +$628K +55,097 +173%
Qube Research & Technologies (QRT)
29
Qube Research & Technologies (QRT)
United Kingdom
$1.53M +$922K +80,975 New
New York State Common Retirement Fund
30
New York State Common Retirement Fund
New York
$1.35M – – –
HWAM
31
Hennion & Walsh Asset Management
New Jersey
$1.22M +$736K +64,599 New
State Street
32
State Street
Massachusetts
$1.22M +$63.8K +5,600 +10%
Russell Investments Group
33
Russell Investments Group
United Kingdom
$1.15M +$156K +13,699 +29%
EI
34
EAM Investors
California
$977K +$588K +51,581 New
Point72 Asset Management
35
Point72 Asset Management
Connecticut
$937K +$564K +49,475 New
HighTower Advisors
36
HighTower Advisors
Illinois
$931K +$911 +80 +0.2%
Two Sigma Investments
37
Two Sigma Investments
New York
$912K +$51.3K +4,501 +10%
6CM
38
683 Capital Management
New York
$852K +$513K +45,000 New
Citadel Advisors
39
Citadel Advisors
Florida
$845K -$2.79M -244,948 -85%
Northern Trust
40
Northern Trust
Illinois
$829K +$43.2K +3,793 +9%
OAC
41
OMERS Administration Corp
Ontario, Canada
$816K +$491K +43,100 New
XT
42
XTX Topco
Cayman Islands
$761K +$96.9K +8,508 +27%
SEI Investments
43
SEI Investments
Pennsylvania
$595K +$358K +31,399 New
Barclays
44
Barclays
United Kingdom
$556K +$289K +25,363 +639%
BCM
45
Bridgeway Capital Management
Texas
$540K – – –
CC
46
Centiva Capital
New York
$518K +$312K +27,360 New
Bank of New York Mellon
47
Bank of New York Mellon
New York
$506K +$304K +26,717 New
OSAM
48
O'Shaughnessy Asset Management
Connecticut
$459K -$91.2K -8,009 -25%
Hudson Bay Capital Management
49
Hudson Bay Capital Management
Connecticut
$447K +$269K +23,588 New
American Century Companies
50
American Century Companies
Missouri
$400K +$70K +6,145 +41%
1
2
3 4 5

ISSC Hedge Fund Activity: Q4 2025 in Review

87 of the 8,223 institutional investors tracked by Wall St. Rank reported a position in Innovative Solutions & Support (ISSC) for Q4 2025, worth a combined $165M — up 79% from $91.9M a quarter earlier.

Buyers outnumbered sellers: 22 funds opened new ISSC positions and 21 closed out — a net gain of 1 holder — while 32 added to existing stakes and 21 trimmed.

The largest buyer was Stifel Financial, opening a new position worth an estimated $3.33M. The largest seller was Citadel Advisors, cutting an estimated $2.79M.

  • 87 institutional investors held Innovative Solutions & Support (ISSC) as of Q4 2025, down from 91 in Q3 2025.
  • Funds reported $165M of Innovative Solutions & Support stock for Q4 2025, up 79% quarter-over-quarter.
  • 22 funds opened new Innovative Solutions & Support positions in Q4 2025 and 21 closed out, a net change of +1 holder.
  • The largest Innovative Solutions & Support buyer in Q4 2025 was Stifel Financial, an estimated $3.33M added.
  • The largest Innovative Solutions & Support seller in Q4 2025 was Citadel Advisors, an estimated $2.79M sold.

Based on aggregated 13F filings for Q4 2025.