POWER INTEGRATIONS INC - Common Stock (POWI) Institutional Ownership

13F Institutional Holders and Ownership History from Q1 2014 to Q4 2025

Type / Class
Equity / Common Stock
Symbol
POWI on Nasdaq
Shares outstanding
55,215,597
Price per share
$35.54
All holders as of 30 Sep 2025
Q3 2025
Total 13F shares
56,123,295
Total reported value
$2,256,178,891
% of total 13F portfolios
0%
Share change
-313,149
Value change
-$54,215,987
Number of holders
307
Price from insider filings
$35.54
Reported Shares, Excluding Options vs Price
Reported Value, Excluding Options
Total Investors

Significant Owners of POWER INTEGRATIONS INC - Common Stock (POWI) based on Schedule 13D/G filings

Filer Ownership Change % Holdings Value Net Change Nb Shares Change % Reporting Name Report Period
BlackRock, Inc. 15% $292,394,455 8,227,124 BlackRock, Inc. 31 Dec 2025
STATE STREET CORP 5.1% $115,912,804 2,882,686 STATE STREET CORPORATION 30 Sep 2025

As of 30 Sep 2025, 307 institutional investors reported holding 56,123,295 shares of POWER INTEGRATIONS INC - Common Stock (POWI). This represents 102% of the company’s total 55,215,597 outstanding shares.

Top 25 Institutional Shareholders

The largest institutional shareholders of POWER INTEGRATIONS INC - Common Stock (POWI) together control 77% of the company’s outstanding shares — a level of ownership often associated with strong institutional conviction and long‑term capital commitment.

Institution Ownership % Shares Held Share Change % Portfolio % Holdings Value
VANGUARD GROUP INC 13% 7,147,276 +0.02% 0% $287,391,968
BlackRock, Inc. 13% 7,036,151 -4.9% 0% $282,923,640
NEUBERGER BERMAN GROUP LLC 7.6% 4,188,254 +5.1% 0.12% $168,409,700
STATE STREET CORP 5.2% 2,882,686 +8.2% 0% $115,912,804
WELLINGTON MANAGEMENT GROUP LLP 4.1% 2,261,281 +36% 0.02% $90,926,109
DISCIPLINED GROWTH INVESTORS INC /MN 3.6% 1,966,940 -4.6% 1.4% $79,090,657
JPMORGAN CHASE & CO 3% 1,666,492 -2.2% 0% $67,009,648
GEODE CAPITAL MANAGEMENT, LLC 3% 1,652,450 +0.61% 0% $66,452,338
MORGAN STANLEY 2.6% 1,458,937 +6.3% 0% $58,663,912
Copeland Capital Management, LLC 2.3% 1,276,860 +7.2% 1.1% $51,342,575
Capital International Investors 2.3% 1,264,962 -0.02% 0.01% $50,864,122
DIMENSIONAL FUND ADVISORS LP 1.9% 1,029,901 +1.3% 0.01% $41,408,216
NORTHERN TRUST CORP 1.8% 998,630 -0.43% 0.01% $40,154,913
BROWN ADVISORY INC 1.5% 844,314 +0.91% 0.04% $33,949,867
SNYDER CAPITAL MANAGEMENT L P 1.5% 829,726 +3.4% 0.63% $33,363,282
Stephens Investment Management Group LLC 1.3% 726,308 -3.2% 0.38% $29,204,845
BANK OF AMERICA CORP /DE/ 1.3% 723,281 +66% 0% $29,083,135
Boston Trust Walden Corp 1.3% 703,240 -1.5% 0.21% $28,277,280
CHARLES SCHWAB INVESTMENT MANAGEMENT INC 1.2% 668,216 +1.3% 0% $26,868,965
D. E. Shaw & Co., Inc. 1.2% 654,574 +64% 0.02% $26,320,421
Robeco Schweiz AG 1.1% 625,238 -3.1% 0.57% $25,140,820
Tributary Capital Management, LLC 1.1% 605,412 +91% 1.2% $24,343,616
CONGRESS ASSET MANAGEMENT CO 1.1% 593,599 -17% 0.16% $23,868,626
GOLDMAN SACHS GROUP INC 0.85% 469,750 +7.8% 0% $18,888,657
Fiera Capital Corp 0.81% 449,344 -2.2% 0.06% $18,068,122

Institutional Holders of POWER INTEGRATIONS INC - Common Stock (POWI) across Reporting Periods

Period Reported Shares, Excl. Options Value, Excl. Options Value Change Price (Median) Investors
2025 Q4 637,260 $22,822,230 -$26,592,419 $35.54 24
2025 Q3 56,123,295 $2,256,178,891 -$54,215,987 $40.21 307
2025 Q2 56,461,449 $3,156,232,645 -$77,430,776 $55.90 339
2025 Q1 57,939,224 $2,926,080,977 -$8,429,014 $50.50 338
2024 Q4 57,698,174 $3,560,071,626 -$37,432,600 $61.70 323
2024 Q3 58,234,279 $3,733,716,941 -$70,180,136 $64.12 332
2024 Q2 58,810,178 $4,127,040,782 -$32,438,490 $70.19 350
2024 Q1 59,060,570 $4,225,486,430 +$29,372,682 $71.55 340
2023 Q4 58,457,601 $4,805,261,583 +$7,569,946 $82.11 341
2023 Q3 57,847,557 $4,414,421,004 -$44,289,323 $76.31 335
2023 Q2 58,218,364 $5,510,690,470 +$51,718,855 $94.67 335
2023 Q1 57,693,354 $4,881,515,101 +$42,115,343 $84.64 327
2022 Q4 57,341,789 $4,112,413,501 +$79,137,119 $71.72 323
2022 Q3 56,855,838 $3,654,479,643 -$6,353,704 $64.32 322
2022 Q2 56,766,859 $4,258,573,281 +$3,369,636 $75.01 325
2022 Q1 56,998,045 $5,283,245,285 -$48,966,296 $92.68 352
2021 Q4 57,493,690 $5,337,151,169 -$92,338,037 $92.89 338
2021 Q3 58,362,790 $5,774,143,053 -$9,661,055 $98.99 324
2021 Q2 58,423,429 $4,792,562,426 -$9,009,685 $82.06 290
2021 Q1 58,654,698 $4,777,352,432 -$55,025,542 $81.48 293
2020 Q4 59,435,147 $4,866,509,890 +$43,675,164 $81.86 286
2020 Q3 59,260,255 $3,282,991,144 +$1,626,423,838 $55.40 268
2020 Q2 29,687,182 $3,506,462,289 +$17,352,140 $118.13 273
2020 Q1 29,661,756 $2,621,343,168 +$78,181,558 $88.33 270
2019 Q4 28,745,771 $2,843,167,753 +$3,885,120 $98.91 247
2019 Q3 28,809,315 $2,604,631,785 +$9,051,261 $90.43 226
2019 Q2 28,721,328 $2,299,045,551 -$4,331,222 $80.18 209
2019 Q1 28,942,125 $2,024,328,778 -$55,794,139 $69.94 211
2018 Q4 29,682,170 $1,809,738,874 +$13,102,488 $60.98 200
2018 Q3 29,436,257 $1,859,620,293 -$11,138,722 $63.20 211
2018 Q2 29,440,140 $2,151,489,258 +$21,407,810 $73.05 214
2018 Q1 29,078,264 $1,987,517,885 +$12,921,607 $68.35 210
2017 Q4 28,829,564 $2,120,604,407 -$52,722,429 $73.55 238
2017 Q3 29,374,448 $2,150,534,278 +$56,936,787 $73.20 213
2017 Q2 28,671,269 $2,090,560,664 -$3,692,407 $72.90 227
2017 Q1 28,795,290 $1,892,501,167 +$231,017,138 $65.75 214
2016 Q4 28,449,600 $1,930,278,682 -$4,448,345 $67.85 230
2016 Q3 28,561,593 $1,799,193,702 +$16,566,288 $63.03 210
2016 Q2 28,466,776 $1,425,305,067 +$62,607,332 $50.07 206
2016 Q1 28,056,514 $1,391,530,596 +$19,293,440 $49.66 187
2015 Q4 27,659,869 $1,345,421,991 -$38,948,050 $48.63 186
2015 Q3 28,512,737 $1,202,181,127 -$723,282 $42.17 179
2015 Q2 28,724,626 $1,295,127,000 -$71,124,457 $45.18 189
2015 Q1 30,274,839 $1,576,190,472 +$45,768,567 $52.08 183
2014 Q4 29,466,008 $1,524,865,833 -$40,917,278 $51.74 182
2014 Q3 30,201,332 $1,628,127,363 -$52,746,094 $53.91 186
2014 Q2 31,118,087 $1,790,491,330 -$11,154,438 $57.54 192
2014 Q1 30,931,370 $2,034,163,638 +$97,346,445 $65.78 192