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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
Rockefeller Capital Management
151
Rockefeller Capital Management
New York
$70.6K -$46.5K -652 -36%
CLOS
152
Compagnie Lombard Odier SCmA
Switzerland
$60.9K – – –
ITIM
153
Indiana Trust & Investment Management
Indiana
$60.9K – – –
New York State Teachers Retirement System (NYSTRS)
154
New York State Teachers Retirement System (NYSTRS)
New York
$48K +$56.3K +789 New
HFS
155
Hughes Financial Services
Virginia
$47.1K +$53.5K +750 +3,125%
TRCT
156
Tower Research Capital (TRC)
New York
$43.7K +$35.7K +501 +232%
AIP
157
Ameritas Investment Partners
Nebraska
$42.3K – – –
Nisa Investment Advisors
158
Nisa Investment Advisors
Missouri
$36.5K +$42.3K +593 +8,471%
GAA
159
Global Assets Advisory
Florida
$33.5K +$39.2K +550 New
Jones Financial Companies
160
Jones Financial Companies
Missouri
$30.2K +$15.1K +212 +72%
SFG
161
Strive Financial Group
Indiana
$24K – – –
KBC Group
162
KBC Group
Belgium
$19K +$22K +308 New
SGFG
163
Silver Grove Financial Group
New York
$18.3K +$21.4K +300 New
FFL
164
Financial Freedom LLC
Ohio
$14.3K – – –
NA
165
NewEdge Advisors
Louisiana
$12.5K – – –
PNC Financial Services Group
166
PNC Financial Services Group
Pennsylvania
$12.5K +$357 +5 +3%
IA
167
IFP Advisors
Florida
$11K – – –
BNP Paribas Asset Management
168
BNP Paribas Asset Management
France
$9.62K -$104K -1,460 -90%
TWC
169
TD Waterhouse Canada
Ontario, Canada
$7.61K +$8.21K +115 New
FMTCOCP
170
Farmers & Merchants Trust Co of Chambersburg PA
Pennsylvania
$7K +$8.56K +120 New
SIS
171
Sound Income Strategies
Florida
$6.62K – – –
SS
172
Sunbelt Securities
Texas
$6.39K – – –
AF
173
Advisornet Financial
Minnesota
$6.09K – – –
HCA
174
Harbor Capital Advisors
Illinois
$6K +$3.92K +55 +120%
Northwestern Mutual Wealth Management
175
Northwestern Mutual Wealth Management
Wisconsin
$5.05K +$5.92K +83 New
5 6
7
8 9

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.