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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
HSA
26
Hussman Strategic Advisors
Maryland
$3.84M +$2.25M +31,500 +100%
CL
27
CVFG LLC
Indiana
$3.66M +$4.29M +60,170 New
SEI Investments
28
SEI Investments
Pennsylvania
$3.5M -$357K -5,010 -8%
AP
29
Antipodes Partners
Australia
$3.22M -$12.5M -175,536 -77%
VFT
30
Vanguard Fiduciary Trust
Pennsylvania
$2.96M +$3.47M +48,690 New
Capital Fund Management (CFM)
31
Capital Fund Management (CFM)
France
$2.88M +$2.32M +32,452 +218%
Two Sigma Investments
32
Two Sigma Investments
New York
$2.82M -$1.03M -14,400 -24%
Goldman Sachs
33
Goldman Sachs
New York
$2.7M -$4.09M -57,305 -56%
Cambridge Investment Research Advisors
34
Cambridge Investment Research Advisors
Iowa
$2.69M +$162K +2,266 +5%
Wells Fargo
35
Wells Fargo
California
$2.67M -$2.24M -31,387 -42%
MIM
36
Meros Investment Management
Texas
$2.39M +$2.8M +39,266 New
Franklin Resources
37
Franklin Resources
California
$2.38M +$587K +8,228 +27%
Victory Capital Management
38
Victory Capital Management
Texas
$2.27M -$2.75M -38,552 -51%
Bank of New York Mellon
39
Bank of New York Mellon
New York
$2.11M -$71 -1 -0%
Cetera Investment Advisers
40
Cetera Investment Advisers
Illinois
$2.04M +$848K +11,892 +55%
Raymond James Financial
41
Raymond James Financial
Florida
$2M -$5.47M -76,684 -70%
Jane Street
42
Jane Street
New York
$2M +$2.34M +32,796 New
BCC
43
Bridge City Capital
Oregon
$2M +$2.34M +32,793 New
Bank of America
44
Bank of America
North Carolina
$1.92M +$1.46M +20,400 +184%
AllianceBernstein
45
AllianceBernstein
Tennessee
$1.91M +$428K +6,000 +22%
TI
46
Tidal Investments
Wisconsin
$1.79M +$883K +12,380 +73%
BC
47
Burney Company
Virginia
$1.77M -$93.2K -1,306 -4%
AQR Capital Management
48
AQR Capital Management
Connecticut
$1.71M -$121K -1,697 -6%
Citadel Advisors
49
Citadel Advisors
Florida
$1.7M +$829K +11,626 +71%
Ameriprise
50
Ameriprise
Minnesota
$1.66M -$789K -11,052 -29%
1
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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.