EdgeMarketInstruments › POWI

POWI — POWER INTEGRATIONS INC

US Technology Semiconductors equity mkt cap 3.1B
55.18 +0.62% today
USD · as of 2026-08-21

Price · 2024-08-26 → 2026-08-21

499 daily closes shown
52w low 30.92 · high 87.35

Anonymous view is capped at two years of history. A free account extends it to five, and Pro opens the whole archive back to 2016-01-04.

Performance

1 day+0.62%
1 week-12.06%
1 month-22.14%
3 months-21.71%
6 months+21.25%
Year to date+47.94%
1 year+21.01%
3 years-31.27%
5 years-43.98%

Technicals

RSI 1441.3
vs 50-day avg-20.75%
vs 200-day avg-0.67%
Volatility 1y62.8%
Max drawdown 1y-37.22%
Avg volume 30d669.8K
Daily bars held2,674
History from2016-01-04

Dividends

Yield (trailing 12m)1.93%
Paid last 12m1.0650
Payments in 12m5
Paying since2016-02-25

Measured signals that fired on POWI

datesignal measured base rate
2026-08-19Fair value gap, bearish
structure
-0.45% over 21 days · t = -3.29 · n = 108,591
statistically distinguishable from its control group
2026-06-24Fair value gap, bearish
structure
-0.45% over 21 days · t = -3.29 · n = 108,591
statistically distinguishable from its control group
2026-06-22Equal highs taken out
structure
-0.70% over 21 days · t = -8.28 · n = 68,636
statistically distinguishable from its control group
2026-05-28Cluster sale: three or more insiders
insider
-0.37% over 21 days · t = -3.38 · n = 21,542
statistically distinguishable from its control group
2026-05-26Fair value gap, bullish
structure
-0.67% over 21 days · t = -6.43 · n = 111,973
statistically distinguishable from its control group
2026-05-08Equal highs taken out
structure
-0.70% over 21 days · t = -8.28 · n = 68,636
statistically distinguishable from its control group

Excess return against a matched control group, on a point-in-time universe that includes delisted companies. Most families do not survive that. How the measurement works →

Insider transactions (Form 4)

dateinsiderwhatshares pricevalue
2026-07-22Lloyd Jennifer A
President and CEO
Open-market sale7.0K73.73519.8K
2026-07-22Lloyd Jennifer A
President and CEO
Open-market sale5.6K73.73415.8K
2026-07-01IYER BALAKRISHNAN S
Director
Grant or award2.5K0.000
2026-07-01Arienzo Wendy
Director
Grant or award2.5K0.000
2026-07-01Ganti Anita
Director
Grant or award2.5K0.000
2026-07-01LOWE GREGG A
Director
Grant or award2.5K0.000
2026-07-01Gioia Nancy Lee
Director
Grant or award2.5K0.000
2026-07-01Vig Ravi
Director
Grant or award2.5K0.000
2026-05-29Gupta Sunil
Sr. Vice President, Operations
Open-market sale6.9K83.67574.0K
2026-05-28BALAKRISHNAN BALU
Director
Open-market sale95.3K86.258.2M

Open-market purchases (code P) are the informative ones. Grants, option exercises and tax withholding are compensation mechanics, not decisions. How to read a Form 4 →

Largest institutional holders

managervalueshares
BlackRock, Inc.436.3M8.5M
VANGUARD PORTFOLIO MANAGEMENT LLC254.8M5.0M
NEUBERGER BERMAN GROUP LLC201.4M3.9M
WELLINGTON MANAGEMENT GROUP LLP171.8M3.4M
STATE STREET CORP157.6M3.1M
VANGUARD CAPITAL MANAGEMENT LLC128.4M2.5M
WILLIAM BLAIR INVESTMENT MANAGEMENT, LLC121.9M2.4M
SNYDER CAPITAL MANAGEMENT L P107.7M2.1M
DISCIPLINED GROWTH INVESTORS INC /MN100.3M2.0M
GEODE CAPITAL MANAGEMENT, LLC85.8M1.7M

13F positions as of 2026-03-31, filed up to 45 days after quarter end. Long-only US equity — shorts and derivatives never appear. What 13F does and does not show →

Latest SEC filings

formfiledperiod
8-K2026-08-142026-08-11on EDGAR ↗
S-82026-08-06on EDGAR ↗
10-Q2026-08-062026-06-30on EDGAR ↗
8-K2026-08-052026-08-05on EDGAR ↗
32026-07-312026-07-28on EDGAR ↗
42026-07-272026-07-22on EDGAR ↗
42026-07-062026-07-01on EDGAR ↗
42026-07-062026-07-01on EDGAR ↗

Short selling

Avg short volume, 90d61.0% of tape
Days observed61

This is off-exchange short volume, not short interest: it is flow, not position, and 40–50% is normal because market makers short to fill your buy. Why that number misleads →

Recent headlines

Ask the AI about POWI

The assistant reads every block on this page — price history, filings, insider transactions, institutional positions, short volume, macro and the measured base rates — and says what it implies, quoting the number behind each claim and declaring what it does not have.

Open POWI in the terminal → How the AI works

Everything on this page is live in the terminal.

Charts, filings, insider flow and the AI — open without an account.

Free plan for good. Pro is $69.99/mo, or $4.99 for a 7-day trial. See the plans →