Security key
739276103
- Security type / class
- Equity / Common Stock
- Shares outstanding
- 55,935,883
- Total 13F shares
- 59,649,697
- Share change
- +3,900,028
- Total reported value
- $2,120,385,730
- Put/Call ratio
- 643%
- Reported price per share
- $35.54
- Number of holders
- 295
- Value change
- +$123,983,676
- Number of buys
- 146
- Number of sells
- 180
Security identity
Holder snapshot
Report period
Q4 2025
Institutions
295
Top holders
10
POWI full security history
Ownership snapshot
Full 13F holder table
Newer quarter: Q1 2026
Previous quarter: Q3 2025
POWER INTEGRATIONS INC SEC filings
POWER INTEGRATIONS INC company facts
Broader feeds
Reporting periods
Holder history for CUSIP 739276103
Recent filing periods:
Ownership snapshot
Top reported holders of POWI - POWER INTEGRATIONS INC - Common Stock (13F + 13D/G + 3/4/5)
Grouped by holder across the latest SEC ownership disclosures. Start with comparable ownership when available, then verify the linked 13F, 13D/G, or 3/4/5 evidence.
Lead holder
BlackRock, Inc.
13D/G signal
BlackRock, Inc.
Evidence rows
15
Latest as of
31 Dec 2025
13D/G
13F
3/4/5
Lead comparable stake: 15%
13D/G row: BlackRock, Inc.
Showing 1-6 of 15 holder rows.
Rank 1 holder
BlackRock, Inc.
13D/G
13F
- Ownership
- 15%
- Position
- $292.39M
Rank 2 holder
STATE STREET CORP
13D/G
13F
- Ownership
- 6.1%
- Position
- $141.28M
Rank 3 holder
Doug Bailey
3/4/5
- Ownership
- 0.06%
- Position
- $1.7M
| Holder | Evidence | Ownership % | Position | 12M Net Δ | As of |
|---|---|---|---|---|---|
| BlackRock, Inc. |
13D/G
13F
Company
|
15%
|
$292,394,455
8,227,124 shares
|
$0 | 31 Dec 2025 |
| STATE STREET CORP |
13D/G
13F
STATE STREET CORPORATION · Company
|
6.1%
|
$141,276,294
3,400,970 shares
|
+$21,529,517 | 31 Dec 2025 |
| Doug Bailey |
3/4/5
Former VP Marketing
|
0.06%
|
$1,696,157
35,800 shares
|
-$2,295,073 | 22 Aug 2025 |
| Balakrishnan S. Iyer |
3/4/5
Director
|
0.04%
|
$1,403,223
24,181 shares
|
— | 01 Jul 2025 |
| Wendy Arienzo |
3/4/5
Director
|
0.03%
|
$1,009,199
17,391 shares
|
— | 01 Jul 2025 |
| Anita Ganti |
3/4/5
Director
|
0.02%
|
$721,022
12,425 shares
|
— | 01 Jul 2025 |
How to read this table
Rows are grouped by holder and ranked first by SEC-reported ownership % when it is safely comparable, then by disclosed holdings value. — indicates unavailable or non-comparable values; "mixed-class rows" means the latest filing spans non-comparable classes.
13F holder rows
Institutional holders as of Q4 2025
Investor-level positions for this CUSIP, loaded as an interactive table.
Institutions
295
Shares
59,649,697
Rows available
295
| Investor | Option | Weight % | Change % | Reported value | * Price | Shares | Share Change | Activity | Report Period |
|---|
* Reported price is the security price as of the portfolio date and can indicate the last known price at which the security was still held. The marker flags a reported price that failed the local validity check.
Compare Q4 2025 vs Q3 2025 Across Filers
Q3 2025 holders
312
Q4 2025 holders
295
Holder diff
-17
| Investor | Q3 2025 Shares | Q4 2025 Shares | Share Diff | Share Chg % | Q3 2025 value | Q4 2025 value | Value change | Value Chg % |
|---|
Trend: ostatnie 8 kwartałów (+ wybrane okresy porównania).
Quarterly Holders Trend
Quarterly Value Trend
Quarterly Shares Trend