Ticker · CUSIP 739276103
Holders (tracked)
10
Combined shares
4,187,178
Combined value
$115.32M
Last close
—
Quarter
2025Q4
Tracked holders · last 8 quarters
+3 vs previous quarter over the last 8.
SEC event timeline
17 events
- AQR Capital Management trimmed2026-02-17−44,817 shares · 2025Q413F
- Ken Griffin (Citadel Advisors) trimmed2026-02-17−21,062 shares · 2025Q413F
- D.E. Shaw & Co. trimmed2026-02-17−567,362 shares · 2025Q413F
- Two Sigma Investments opened position2026-02-17+6,604 shares · 2025Q413F
- Izzy Englander (Millennium Mgmt) trimmed2026-02-17−41,706 shares · 2025Q413F
- T. Rowe Price added2026-02-17+895,857 shares · 2025Q413F
- Wellington Management added2026-02-17+162,691 shares · 2025Q413F
- Renaissance Technologies trimmed2026-02-12−14,300 shares · 2025Q413F
- AQR Capital Management added2025-11-14+57,482 shares · 2025Q313F
- Izzy Englander (Millennium Mgmt) added2025-11-14+94,707 shares · 2025Q313F
- D.E. Shaw & Co. added2025-11-14+254,832 shares · 2025Q313F
- T. Rowe Price added2025-11-14+3,008 shares · 2025Q313F
- Wellington Management added2025-11-14+595,404 shares · 2025Q313F
- Jeremy Grantham (GMO) exited2025-11-13−460,765 shares · 2025Q313F
- Renaissance Technologies added2025-11-13+119,300 shares · 2025Q313F
- Norges Bank (Norway SWF) exited2025-11-13−588,489 shares · 2025Q313F
- Norges Bank (Norway SWF) added2025-11-12+113,403 shares · 2024Q313F
Insider activity
No insider transactions in the last 30 days.
Who moved on this name in 2025Q4
13F transactions reported for the latest quarter, grouped by direction.
New positions1
- Two Sigma Investments+6,604$235K
Added to2
- Wellington Management+162,691$5.8M
- T. Rowe Price+895,857$32K
Trimmed5
- D.E. Shaw & Co.−567,362$20.2M
- AQR Capital Management−44,817$1.6M
- Izzy Englander (Millennium Mgmt)−41,706$1.5M
- Ken Griffin (Citadel Advisors)−21,062$749K
- Renaissance Technologies−14,300$508K
Exited0
—
Institutional ownership over time
Distinct super-investors holding this ticker · combined dollar value, by quarter.
| Quarter | Holders | Combined value |
|---|---|---|
| 2022Q1 | 13 | $47.08B |
| 2022Q2 | 13 | $36.18B |
| 2022Q3 | 14 | $29.8M |
| 2022Q4 | 14 | $752.8M |
| 2023Q1 | 13 | $860.1M |
| 2023Q2 | 12 | $1.02B |
| 2023Q3 | 13 | $669.3M |
| 2023Q4 | 11 | $743.0M |
| 2024Q1 | 12 | $813.5M |
| 2024Q2 | 13 | $829.2M |
| 2024Q3 | 13 | $333.9M |
| 2024Q4 | 12 | $122.6M |
| 2025Q1 | 10 | $158.9M |
| 2025Q2 | 9 | $199.3M |
| 2025Q3 | 7 | $146.3M |
| 2025Q4 | 10 | $115.3M |
Who owns POWI
10 super-investors · 2025Q4
Tracked stake
4.19M
shares
Combined value
$115M
% of shares outstanding
—
shares-out unknown
Quarter action mix
New1Added2Trim7
| # | Manager | Shares | Value |
|---|---|---|---|
| 1 | Wellington Management | 2.42M | $86M |
| 2 | AQR Capital Management | 284.4K | $10M |
| 3 | Renaissance Technologies | 206.1K | $7M |
| 4 | Ken Griffin Citadel Advisors | 108.6K | $4M |
| 5 | Izzy Englander Millennium Mgmt | 106.6K | $4M |
| 6 | D.E. Shaw & Co. | 87.2K | $3M |
| 7 | Ken Griffin Citadel Advisors | 11.6K | $412K |
| 8 | Ken Griffin Citadel Advisors | 8.8K | $313K |
| 9 | Two Sigma Investments | 6.6K | $235K |
| 10 | T. Rowe Price | 943.4K | $34K |
Recent moves
20 transactions
- −44,817 · 2025Q4
- +162,691 · 2025Q4
- +6,604 · 2025Q4
- +895,857 · 2025Q4
- −21,062 · 2025Q4
- TRIMD.E. Shaw & Co.−567,362 · 2025Q4
- −41,706 · 2025Q4
- −14,300 · 2025Q4
- +57,482 · 2025Q3
- +254,832 · 2025Q3
- +595,404 · 2025Q3
- +94,707 · 2025Q3
- +3,008 · 2025Q3
- −588,489 · 2025Q3
- −460,765 · 2025Q3
- +119,300 · 2025Q3
- +113,403 · 2024Q3
- −85,042 · 2025Q2
- +14,454 · 2025Q2
- TRIMD.E. Shaw & Co.−69,803 · 2025Q2
Embed this chart
Paste this iframe anywhere to embed the live POWI chart.
<iframe src="https://openstocks.me/embed/stock/POWI" width="100%" height="480" frameborder="0" loading="lazy" title="POWI chart by OpenStocks" style="border:0;border-radius:12px;background:transparent"></iframe>