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PSIX

Power Solutions International

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: 193201 (+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
Name Holding Trade Value Shares
Change
Change in
Stake
SLAM
76
Swiss Life Asset Management
$754K +$386K +5,404 New
SI
77
Stephens Inc
Arkansas
$731K
KA
78
Kerrisdale Advisers
Florida
$710K +$832K +11,665 New
XT
79
XTX Topco
Cayman Islands
$704K -$67.9K -952 -8%
MML Investors Services
80
MML Investors Services
Massachusetts
$692K -$1.5M -20,979 -65%
RWM
81
Ritholtz Wealth Management
New York
$646K -$579K -8,118 -43%
Massachusetts Financial Services
82
Massachusetts Financial Services
Massachusetts
$618K +$89.2K +1,250 +14%
RhumbLine Advisers
83
RhumbLine Advisers
Massachusetts
$601K +$48.9K +686 +7%
KWM
84
Kassira Wealth Management
Tennessee
$581K +$681K +9,549 New
Credit Agricole
85
Credit Agricole
France
$578K
Commonwealth Equity Services
86
Commonwealth Equity Services
Massachusetts
$572K -$6.92K -97 -1%
BRG
87
Bay Rivers Group
Virginia
$559K +$99.9K +1,400 +18%
IFG
88
Independent Financial Group
California
$534K +$626K +8,773 New
California State Teachers Retirement System (CalSTRS)
89
California State Teachers Retirement System (CalSTRS)
California
$532K -$4.5K -63 -0.7%
AA
90
ALPS Advisors
Colorado
$531K +$274K +3,840 +79%
MIC
91
Maxi Investments CY
Cyprus
$527K +$617K +8,654 New
Susquehanna International Group
92
Susquehanna International Group
Pennsylvania
$517K -$797K -11,173 -57%
Balyasny Asset Management
93
Balyasny Asset Management
Illinois
$511K +$274K +3,844 +84%
Invesco
94
Invesco
Georgia
$511K +$43.6K +611 +8%
Creative Planning
95
Creative Planning
Kansas
$472K -$207K -2,907 -27%
GVAG
96
Great Valley Advisor Group
Delaware
$453K +$26.1K +366 +5%
Deutsche Bank
97
Deutsche Bank
Germany
$415K +$64.2K +900 +15%
VI
98
Vestcor Inc
New Brunswick, Canada
$410K
CCM
99
Corsair Capital Management
New York
$404K -$1.03M -14,500 -69%
FAM
100
Formidable Asset Management
Ohio
$401K +$470K +6,581 New

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.