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PSIX

Power Solutions International
PSIX

201 hedge funds and large institutions have $419M invested in Power Solutions International in 2026 Q1 according to their latest regulatory filings, with 55 funds opening new positions, 64 increasing their positions, 50 reducing their positions, and 43 closing their positions.

New
Increased
Maintained
Reduced
Closed

81% more call options, than puts

Call options by funds: $21.5M | Put options by funds: $11.9M

28% more repeat investments, than reductions

Existing positions increased: 64 | Existing positions reduced: 50

28% more first-time investments, than exits

New positions opened: 55 | Existing positions closed: 43

7% more capital invested

Capital invested by funds: $393M → $419M (+$26M)

4% more funds holding

Funds holding: 193 → 201 (+8)

0% more ownership

Funds ownership: 29.71% → 29.72% (+0%)

Holders
201
Holders Change
+8
Holders Change %
+4.15%
% of All Funds
2.47%
Holding in Top 10
2
Holding in Top 10 Change
+2
Holding in Top 10 Change %
% of All Funds
0.02%
New
55
Increased
64
Reduced
50
Closed
43
Calls
$21.5M
Puts
$11.9M
Net Calls
+$9.58M
Net Calls Change
+$8.26M

Top Buyers

1
SG Americas Securities
SG Americas Securities
New York
+$15.3M
2
Barclays
Barclays
United Kingdom
+$15.1M
3
DB
Danske Bank
Denmark
+$8.68M
4
Dimensional Fund Advisors
Dimensional Fund Advisors
Texas
+$5.8M
5
OGM
OnyxPoint Global Management
New York
+$5.56M

Top Sellers

1
DCM
Driehaus Capital Management
Illinois
-$13.1M
2
AP
Antipodes Partners
Australia
-$12.5M
3
Qube Research & Technologies (QRT)
Qube Research & Technologies (QRT)
United Kingdom
-$7.26M
4
Renaissance Technologies
Renaissance Technologies
New York
-$6.17M
5
BHWA
Beacon Harbor Wealth Advisors
Virginia
-$5.9M
Name Holding Trade Value Shares
Change 		Change in
Stake
Universal-Beteiligungs- und Servicegesellschaft
126
Universal-Beteiligungs- und Servicegesellschaft
Germany
$263K -$58.8K -824 -16%
PAP
127
Persistent Asset Partners
Hong Kong
$261K +$306K +4,295 New
MWM
128
Mindset Wealth Management
Indiana
$261K +$305K +4,281 New
Mirae Asset Global ETFs Holdings
129
Mirae Asset Global ETFs Holdings
Hong Kong
$251K +$11.3K +158 +4%
IA
130
Inspire Advisors
Idaho
$246K +$288K +4,042 New
TC
131
Truvestments Capital
Florida
$244K +$69.6K +975 +32%
VGA
132
Vanguard Global Advisers
Pennsylvania
$239K +$280K +3,926 New
TCM
133
Triumph Capital Management
Colorado
$226K +$11.3K +158 +4%
AWA
134
Adapt Wealth Advisors
Georgia
$222K -$6.07K -85 -2%
TSS
135
Two Sigma Securities
New York
$216K -$275K -3,861 -52%
DC
136
Diametric Capital
Massachusetts
$213K +$249K +3,496 New
AC
137
Allstate Corporation
Illinois
$212K +$249K +3,483 New
Group One Trading
138
Group One Trading
Illinois
$204K -$141K -1,975 -37%
Fidelity Investments
139
Fidelity Investments
Massachusetts
$156K +$17.3K +243 +10%
CFD
140
Creative Financial Designs
Indiana
$151K – – –
VIA
141
Vanguard Investments Australia
Australia
$150K +$176K +2,462 New
Carson Wealth (CWM LLC)
142
Carson Wealth (CWM LLC)
Nebraska
$148K +$80.9K +1,134 +87%
PFSRSONJ
143
Police & Firemen's Retirement System of New Jersey
New Jersey
$140K – – –
MGP
144
M&G plc
United Kingdom
$137K +$161K +2,254 New
SWM
145
Spire Wealth Management
Virginia
$137K -$54.2K -760 -25%
SO
146
STRS Ohio
Ohio
$128K +$21.4K +300 +17%
KK
147
KLP Kapitalforvaltning
Norway
$116K – – –
Citigroup
148
Citigroup
New York
$93.1K -$305K -4,272 -74%
FC
149
Financial Consulate
Maryland
$91.6K – – –
MAM
150
Meeder Asset Management
Ohio
$81.9K -$810K -11,346 -89%
4 5
6
7 8

PSIX Hedge Fund Activity: Q1 2026 in Review

201 of the 8,126 institutional investors tracked by Wall St. Rank reported a position in Power Solutions International (PSIX) for Q1 2026, worth a combined $419M — up 6.6% from $393M a quarter earlier.

Buyers outnumbered sellers: 55 funds opened new PSIX positions and 43 closed out — a net gain of 12 holders — while 64 added to existing stakes and 50 trimmed.

The largest buyer was SG Americas Securities, adding an estimated $15.3M. The largest seller was Driehaus Capital Management, exiting entirely with an estimated $13.1M sold.

  • 201 institutional investors held Power Solutions International (PSIX) as of Q1 2026, up from 193 in Q4 2025.
  • Funds reported $419M of Power Solutions International stock for Q1 2026, up 6.6% quarter-over-quarter.
  • 55 funds opened new Power Solutions International positions in Q1 2026 and 43 closed out, a net change of +12 holders.
  • The largest Power Solutions International buyer in Q1 2026 was SG Americas Securities, an estimated $15.3M added.
  • The largest Power Solutions International seller in Q1 2026 was Driehaus Capital Management, an estimated $13.1M sold.

Based on aggregated 13F filings for Q1 2026.