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Power Integrations
POWI

308 hedge funds and large institutions have $3.24B invested in Power Integrations in 2026 Q1 according to their latest regulatory filings, with 54 funds opening new positions, 117 increasing their positions, 97 reducing their positions, and 38 closing their positions.

New
Increased
Maintained
Reduced
Closed

53% more capital invested

Capital invested by funds: $2.12B → $3.24B (+$1.12B)

42% more first-time investments, than exits

New positions opened: 54 | Existing positions closed: 38

21% more repeat investments, than reductions

Existing positions increased: 117 | Existing positions reduced: 97

6.63% more ownership

Funds ownership: 107.71% → 114.34% (+6.6%)

3% more funds holding

Funds holding: 298 → 308 (+10)

41% less call options, than puts

Call options by funds: $4.92M | Put options by funds: $8.28M

Holders
308
Holders Change
+10
Holders Change %
+3.36%
% of All Funds
3.79%
Holding in Top 10
1
Holding in Top 10 Change
+1
Holding in Top 10 Change %
% of All Funds
0.01%
New
54
Increased
117
Reduced
97
Closed
38
Calls
$4.92M
Puts
$8.28M
Net Calls
-$3.36M
Net Calls Change
+$6.02M

Top Buyers

1
William Blair Investment Management
William Blair Investment Management
Illinois
+$109M
2
Hudson Bay Capital Management
Hudson Bay Capital Management
Connecticut
+$45.9M
3
Wellington Management Group
Wellington Management Group
Massachusetts
+$42.8M
4
N
Nuveen
North Carolina
+$42M
5
T. Rowe Price Associates
T. Rowe Price Associates
Maryland
+$20.8M

Top Sellers

1
Voloridge Investment Management
Voloridge Investment Management
Florida
-$19.9M
2
JP Morgan Chase
JP Morgan Chase
New York
-$16.8M
3
Nomura Holdings
Nomura Holdings
Japan
-$15.1M
4
State Street
State Street
Massachusetts
-$14.8M
5
GPGA
Grandeur Peak Global Advisors
Utah
-$13.8M
Name Holding Trade Value Shares
Change 		Change in
Stake
KFAS
276
Keating Financial Advisory Services
Kansas
$3.02K +$1.7K +37 +168%
IAIM
277
International Assets Investment Management
Florida
$2.9K -$4.63K -101 -65%
HI
278
Horizon Investments
North Carolina
$2.77K +$2.48K +54 New
CIAS
279
CBIZ Investment Advisory Services
Ohio
$2.71K -$22.6K -492 -90%
SS
280
SBI Securities
Japan
$2.71K -$46 -1 -2%
QC
281
Quent Capital
New York
$2.46K +$138 +3 +7%
LSA
282
Leonteq Securities AG
Switzerland
$2.3K -$151K -3,300 -99%
BFS
283
Bare Financial Services
Pennsylvania
$2.3K +$1.47K +32 +246%
Mitsubishi UFJ Asset Management
284
Mitsubishi UFJ Asset Management
Japan
$2.25K – – –
WA
285
Whipplewood Advisors
Colorado
$2.2K +$1.97K +43 New
WA
286
WPG Advisers
Maryland
$2.1K +$459 +10 +32%
RCM
287
Richardson Capital Management
Wisconsin
$1.84K +$1.65K +36 New
National Bank of Canada
288
National Bank of Canada
Quebec, Canada
$1.84K +$1.51K +33 +1,100%
IA
289
IFP Advisors
Florida
$1.64K -$82.2K -1,790 -98%
AA
290
Ancora Advisors
Ohio
$1.28K – – –
FMII
291
Farmers & Merchants Investments Inc
Nebraska
$1.23K -$1.1K -24 -50%
MB
292
MidFirst Bank
Oklahoma
$1.07K – – –
AW
293
Avion Wealth
Texas
$1K – – –
PWA
294
Physician Wealth Advisors
Utah
$996 – – –
BBHC
295
Brown Brothers Harriman & Co
New York
$973 -$5K -109 -85%
PWMG
296
Private Wealth Management Group
New Jersey
$922 – – –
FFO
297
Fortitude Family Office
Arizona
$717 – – –
NSIM
298
North Star Investment Management
Illinois
$717 +$643 +14 New
CMA
299
Cedar Mountain Advisors
Oregon
$512 – – –
GWM
300
Gilpin Wealth Management
Colorado
$410 +$184 +4 +100%
10 11
12
13 14

POWI Hedge Fund Activity: Q1 2026 in Review

308 of the 8,126 institutional investors tracked by Wall St. Rank reported a position in Power Integrations (POWI) for Q1 2026, worth a combined $3.24B — up 53% from $2.12B a quarter earlier.

Buyers outnumbered sellers: 54 funds opened new POWI positions and 38 closed out — a net gain of 16 holders — while 117 added to existing stakes and 97 trimmed.

The largest buyer was William Blair Investment Management, opening a new position worth an estimated $109M. The largest seller was Voloridge Investment Management, cutting an estimated $19.9M.

  • 308 institutional investors held Power Integrations (POWI) as of Q1 2026, up from 298 in Q4 2025.
  • Funds reported $3.24B of Power Integrations stock for Q1 2026, up 53% quarter-over-quarter.
  • 54 funds opened new Power Integrations positions in Q1 2026 and 38 closed out, a net change of +16 holders.
  • The largest Power Integrations buyer in Q1 2026 was William Blair Investment Management, an estimated $109M added.
  • The largest Power Integrations seller in Q1 2026 was Voloridge Investment Management, an estimated $19.9M sold.

Based on aggregated 13F filings for Q1 2026.