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POWI in the 13F filings

Power Integrations Inc · CUSIP 739276103

Sector · SemiconductorsTheme · AI infrastructure and semiconductors· L3VLUP-definedTheme · Semiconductors
Quarter
Q2 2026Q1 2026Q4 2025Q3 2025Q2 2025Q1 2025Q4 2024Q3 2024Q2 2024Q1 2024Q4 2023Q3 2023
Quarter end
30 Sep 2023
the date the book describes
Filed
14 Nov 2023
latest of these filings; the earliest 14 Nov 2023
Managers listing it
4
at least, of 95 tracked, among listed positions
Comparable managers
93
filed both Q2 2023 and Q3 2023; 4 listed it in both
Shares listed
5,589,717
combined, among listed positions
Reported value
$427m
combined, at the quarter end

Managers listing POWI in Q3 2023

Share of 13F value is the position’s reported value over everything the manager reported that quarter. The share change is against Q2 2023, and only where both filings list the position. A rise in value with no rise in shares is the price, not buying.

4 of 4 holders

ActionFiling
Neuberger Berman Group LLC3,259,670$249m0.23%Added+84614 Nov 2023 (the filing on sec.gov)
Wellington Management Group LLP2,275,969$174munder 0.1%Added+123,98814 Nov 2023 (the filing on sec.gov)
Holocene Advisors LP41,134$3.1munder 0.1%Added+5,38214 Nov 2023 (the filing on sec.gov)
PDT Partners LLC12,944$988k0.12%Trimmed-8,80614 Nov 2023 (the filing on sec.gov)

Largest increases and reductions, by shares

Q2 2023 to Q3 2023, among managers that listed it in both quarters or opened it.

Increases

Reductions

New positions and exits

At least these many: a manager is shown exiting only where its own filing shows the position gone.

New (0)

No new position among listed positions.

Exited (0)

No exit shown by a manager’s own filing.

Ownership over time

Every quarter on file. A quarter-end value moves with the price as well as with the shares held; buyers and sellers count comparable managers, by shares.
6 in Q3 2024 to 3 in Q2 2026

Tracked managers listing it, at least.

024682014201620182020202220242026
the quarter shown share split complete books; unmarked quarters rest on listed positionsClick a quarter to open it.
POWI by quarter
QuarterHoldersReported valueBuyersSellers
Q2 20133$127mn.a.n.a.
Q3 20134$226mn.a.n.a.
Q4 20135$229mn.a.n.a.
Q1 20145$384mn.a.n.a.
Q2 20142$167mn.a.n.a.
Q3 20142$174mn.a.n.a.
Q4 20142$175mn.a.n.a.
Q1 20153$179mn.a.n.a.
Q2 20152$152mn.a.n.a.
Q3 20152$142mn.a.n.a.
Q4 20153$153mn.a.n.a.
Q1 20162$151mn.a.n.a.
Q2 20163$155mn.a.n.a.
Q3 20162$184mn.a.n.a.
Q4 20162$198mn.a.n.a.
Q1 20172$205mn.a.n.a.
Q2 20171$204mn.a.n.a.
Q3 20171$214mn.a.n.a.
Q4 20172$220mn.a.n.a.
Q1 20182$199mn.a.n.a.
Q2 20182$212mn.a.n.a.
Q3 20182$186mn.a.n.a.
Q4 20182$184mn.a.n.a.
Q1 20192$206mn.a.n.a.
Q2 20192$230mn.a.n.a.
Q3 20192$255mn.a.n.a.
Q4 20192$272mn.a.n.a.
Q1 20205$234mn.a.n.a.
Q2 20203$409mn.a.n.a.
Q3 20203$268mn.a.n.a.
Q4 20204$684mn.a.n.a.
Q1 20213$525mn.a.n.a.
Q2 20214$529mn.a.n.a.
Q3 20215$838mn.a.n.a.
Q4 20216$623mn.a.n.a.
Q1 20226$593mn.a.n.a.
Q2 20226$475mn.a.n.a.
Q3 20228$448mn.a.n.a.
Q4 20225$475mn.a.n.a.
Q1 20236$518mn.a.n.a.
Q2 20235$518mn.a.n.a.
Q3 20234$427mn.a.n.a.
Q4 20234$437m22
Q1 20246$400m51
Q2 20247$412m52
Q3 20246$429m60
Q4 20243$404m21
Q1 20252$199m20
Q2 20253$241m30
Q3 20254$194m40
Q4 20253$160m1020
Q1 20264$429m1112
Q2 20263$535m1611

Compare with…

Holders over time, buyers and sellers, and the managers holding both, side by side for up to four stocks.

POWI and NVDA →POWI and AVGO →POWI and MU →Choose a stock to compare with POWI →

How much of the picture this is

A 13F is a manager’s long US-listed equity book at a quarter end, filed up to 45 days later. It shows no shorts, cash, bonds or performance, and it is never today’s portfolio. Large books are listed to their largest positions, so a manager missing from this table may still hold a small position below that line. These are 95 tracked managers, not the institutional market.

Which funds own POWI, latest filings →Back to the 13F Explorer →