NAPCO SECURITY TECHNOLOGIES, INC - Common Stock (NSSC)

Historical Holders from Q1 2014 to Q4 2025

Type / Class
Equity / Common Stock
Symbol
NSSC on Nasdaq
Shares outstanding
35,677,013
Price per share
$41.70
All holders as of 30 Sep 2025
Q3 2025
Total 13F shares
31,806,083
Total reported value
$1,366,168,507
% of total 13F portfolios
0%
Share change
-562,961
Value change
-$9,766,360
Number of holders
238
Price from insider filings
$41.70
Reported Shares, Excluding Options vs Price
Reported Value, Excluding Options
Total Investors

Significant Owners of NAPCO SECURITY TECHNOLOGIES, INC - Common Stock (NSSC) based on Schedule 13D/G filings

Filer Ownership Change % Holdings Value Net Change Nb Shares Change % Reporting Name Report Period
VANGUARD GROUP INC 7.8% $62,407,357 2,849,651 The Vanguard Group 31 Dec 2024
BlackRock, Inc. 7.9% $121,053,888 2,818,484 BlackRock, Inc. 30 Sep 2025
FMR LLC 3% $23,959,586 1,094,045 FMR LLC 31 Mar 2025
As of 30 Sep 2025, NAPCO SECURITY TECHNOLOGIES, INC - Common Stock (NSSC) has 238 institutional shareholders filing 13F forms. They hold 31,806,083 shares. of 35,677,013 outstanding shares (89%) .

Top 25 institutional shareholders own 62% of the company.

Filer Ownership Nb Shares Share Change % Portfolio % Holdings Value
BlackRock, Inc. 8.1% 2,883,885 -3.8% 0% $123,862,842
VANGUARD GROUP INC 8% 2,850,419 -0.32% 0% $122,425,497
Fundsmith LLP 5% 1,779,857 +86% 0.39% $76,444,858
JANUS HENDERSON GROUP PLC 4.3% 1,524,270 +3.8% 0.03% $65,466,067
Copeland Capital Management, LLC 4.2% 1,497,512 -5.6% 1.3% $64,318,206
Doma Perpetual Capital Management LLC 3.3% 1,165,347 -0.88% 17% $50,051,654
GEODE CAPITAL MANAGEMENT, LLC 2.9% 1,024,539 -0.68% 0% $44,009,651
WELLINGTON MANAGEMENT GROUP LLP 2.8% 1,008,857 -2.9% 0.01% $43,330,408
ARROWSTREET CAPITAL, LIMITED PARTNERSHIP 2.4% 861,141 +668% 0.02% $36,986,006
STATE STREET CORP 2.2% 783,820 -3.7% 0% $33,775,250
DIMENSIONAL FUND ADVISORS LP 1.9% 678,085 -5.7% 0.01% $29,122,805
ROYAL BANK OF CANADA 1.8% 646,264 -20% 0% $27,758,000
NORTHERN TRUST CORP 1.8% 640,317 -0.33% 0% $27,501,614
FIRST TRUST ADVISORS LP 1.6% 565,894 0.02% $24,305,147
EMERALD ADVISERS, LLC 1.3% 466,165 -10% 0.64% $20,021,787
JACOBS LEVY EQUITY MANAGEMENT, INC 1.2% 438,327 +1.9% 0.07% $18,826,145
ENVESTNET ASSET MANAGEMENT INC 1.2% 422,097 -34% 0.01% $18,129,046
Qube Research & Technologies Ltd 1.2% 420,808 -9.1% 0.03% $18,073,704
MORGAN STANLEY 1.1% 380,594 -37% 0% $16,346,530
DEUTSCHE BANK AG\ 1% 367,331 +1402% 0.01% $15,776,867
Rockefeller Capital Management L.P. 0.98% 348,576 -9.4% 0.03% $14,971,351
AQR CAPITAL MANAGEMENT LLC 0.93% 331,506 +7.7% 0.01% $14,238,170
RENAISSANCE TECHNOLOGIES LLC 0.88% 315,100 +5.5% 0.02% $13,533,545
CHARLES SCHWAB INVESTMENT MANAGEMENT INC 0.86% 306,491 -8.4% 0% $13,163,788
Granite Investment Partners, LLC 0.83% 297,704 -14% 0.73% $12,786,387

Institutional Holders of NAPCO SECURITY TECHNOLOGIES, INC - Common Stock (NSSC) across Reporting Periods

Period Reported Shares, Excl. Options Value, Excl. Options Value Change Price Investors
2025 Q4 250,609 $10,456,142 +$84,796 $41.70 8
2025 Q3 31,806,083 $1,366,168,507 -$9,766,360 $42.95 238
2025 Q2 32,261,377 $957,961,688 +$26,183,656 $29.69 219
2025 Q1 31,537,442 $726,162,981 -$99,336,047 $23.02 223
2024 Q4 33,707,212 $1,198,914,177 -$3,081,629 $35.56 249
2024 Q3 33,582,443 $1,358,923,460 -$66,073,633 $40.46 259
2024 Q2 33,153,103 $1,722,269,661 +$109,969,942 $51.95 266
2024 Q1 31,512,129 $1,265,426,488 +$60,067,948 $40.16 236
2023 Q4 13,085 $448,162 $34.25 1
2023 Q3 28,325,251 $630,261,409 -$138,512,585 $22.25 173
2023 Q2 32,243,561 $1,117,333,007 +$72,096,582 $34.65 226
2023 Q1 29,984,221 $1,126,719,372 +$91,168,065 $37.58 192
2022 Q4 27,697,340 $761,133,575 +$67,144,710 $27.48 162
2022 Q3 24,754,006 $719,679,366 +$9,538,157 $29.08 139
2022 Q2 24,664,091 $507,264,793 +$8,664,515 $20.59 109
2022 Q1 24,247,984 $496,953,882 +$243,378,108 $20.52 109
2021 Q4 11,027,503 $551,142,182 -$14,743,471 $49.98 115
2021 Q3 12,232,760 $527,103,189 -$2,406,528 $43.08 102
2021 Q2 12,336,728 $448,625,464 -$4,395,559 $36.37 96
2021 Q1 12,433,233 $433,039,893 +$38,252,583 $34.83 97
2020 Q4 10,747,071 $281,788,810 +$65,500,141 $26.22 93
2020 Q3 8,727,142 $205,083,471 +$3,815,695 $23.50 83
2020 Q2 8,668,313 $202,680,315 +$7,992,948 $23.39 96
2020 Q1 8,432,203 $127,871,822 -$31,148,103 $15.17 84
2019 Q4 9,021,329 $265,141,089 -$7,671,529 $29.39 102
2019 Q3 9,248,051 $236,008,338 +$30,913,457 $25.52 107
2019 Q2 8,000,046 $237,422,934 +$22,590,414 $29.68 111
2019 Q1 7,281,100 $151,006,649 +$12,971,124 $20.74 95
2018 Q4 6,718,475 $105,817,063 +$1,470,332 $15.75 68
2018 Q3 6,599,267 $98,647,025 +$7,777,113 $14.95 69
2018 Q2 6,118,148 $89,625,237 +$5,489,965 $14.65 63
2018 Q1 5,733,011 $67,067,666 +$4,704,011 $11.70 53
2017 Q4 5,441,315 $47,607,376 -$1,666,888 $8.75 58
2017 Q3 5,597,039 $54,297,271 +$7,186 $9.70 54
2017 Q2 5,665,480 $53,252,731 +$11,490,039 $9.40 54
2017 Q1 4,424,038 $45,124,000 +$8,408,434 $10.20 44
2016 Q4 4,031,853 $34,272,000 +$421,916 $8.50 39
2016 Q3 3,985,064 $28,670,000 +$3,505,922 $7.19 40
2016 Q2 3,497,424 $22,243,000 -$1,753 $6.36 29
2016 Q1 3,497,846 $21,864,000 +$532,529 $6.25 29
2015 Q4 3,415,974 $20,155,000 +$1,394,604 $5.90 31
2015 Q3 3,179,279 $19,234,000 +$862,898 $6.05 29
2015 Q2 3,008,627 $17,241,000 -$411,457 $5.73 25
2015 Q1 3,107,258 $17,895,000 +$414,380 $5.79 28
2014 Q4 3,038,277 $14,281,000 +$64,655 $4.70 30
2014 Q3 3,046,356 $14,317,754 -$3,752,882 $4.70 31
2014 Q2 3,825,594 $20,766,782 -$382,871 $5.43 33
2014 Q1 3,815,609 $25,269,841 -$826,419 $6.63 32