Napco Security Technologies, Inc (NSSC) Institutional Ownership

Institutions by Trading Activity

Ownership Statistics

35,655,639Shares Outstanding

2,318,101Shares held by institutions

$102,297,797Value of institutional holdings

88.16%Institutional ownership %

2.24%Shares Changed QoQ

240No. of institutional investors

Shares Owned by Institutions

Shares Purchased/Sold by Institutions

Ownership Summary

Recent 13F filings as of December 2025 show that 240 institutional investors hold a position in Napco Security Technologies, Inc (NASDAQ:NSSC).

The collective stake of institutional investors in Napco Security Technologies moved to 88.2% in December 2025, a shift down from the 88.9% reported for September 2025.
On a quarter-over-quarter basis, institutional holdings shifted by 2.24%, with a year-over-year a decrease of 3.61% in the count of filers.
During the quarter, 111 institutions bought more Napco Security Technologies shares, 90 sold shares, and 39 of the 240 total investors held their position steady.
The total number of shares held by institutions in Napco Security Technologies increased to 31.43Mn as of December 2025, a net change of up by 688.63K shares quarter on quarter, and down 2.21Mn shares year over year.
The top institutional stake in Napco Security Technologies as of December 31, 2025 belongs to BlackRock, Inc., which owns 3.22Mn shares, or 9.04% of the company.
Among the most significant buyers of Napco Security Technologies during December 2025 were Divisadero Street Capital Management, LP (698.16K), BlackRock, Inc. (340.62K), CAPTRUST FINANCIAL ADVISORS (185.46K), FIRST TRUST ADVISORS LP (148.49K), Point72 Asset Management, L.P. (130.60K).
Leading sellers of Napco Security Technologies stock in December 2025 included Doma Perpetual Capital Management LLC (537.42K), DEUTSCHE BANK AG\ (265.53K), Rockefeller Capital Management L.P. (232.82K), JPMORGAN CHASE & CO (186.97K), WELLINGTON MANAGEMENT GROUP LLP (129.56K).
The top 10 institutional holders of Napco Security Technologies for the quarter ending December 2025 included BlackRock, Inc. (3.22Mn), VANGUARD GROUP INC (2.88Mn), Fundsmith LLP (1.78Mn), JANUS HENDERSON GROUP PLC (1.57Mn), Copeland Capital Management, LLC (1.42Mn), GEODE CAPITAL MANAGEMENT, LLC (1.03Mn), STATE STREET CORP (896.32K), WELLINGTON MANAGEMENT GROUP LLP (879.30K), ARROWSTREET CAPITAL, LIMITED PARTNERSHIP (864.02K), Divisadero Street Capital Management, LP (809.73K).

240 Institutional Holders

2,318,101 Total Shares Held

Rows:

Download Data

Owner Name	Date	Shares Held	Change (QoQ)	Change (%)	Value (USD)
BlackRock, Inc.	31 Dec, 2025	3,224,505	340,620	11.81%	$134,461,841.00
VANGUARD GROUP INC	31 Dec, 2025	2,882,063	31,644	1.11%	$120,182,028.00
Fundsmith LLP	31 Dec, 2025	1,779,857	0	0.00%	$74,220,037.00
JANUS HENDERSON GROUP PLC	31 Dec, 2025	1,569,363	45,093	2.96%	$65,456,792.00
Copeland Capital Management, LLC	31 Dec, 2025	1,420,792	-76,720	-5.12%	$59,247,043.00
GEODE CAPITAL MANAGEMENT, LLC	31 Dec, 2025	1,028,863	4,324	0.42%	$42,910,018.00
STATE STREET CORP	31 Dec, 2025	896,315	112,495	14.35%	$37,483,645.00
WELLINGTON MANAGEMENT GROUP LLP	31 Dec, 2025	879,298	-129,559	-12.84%	$36,666,727.00
ARROWSTREET CAPITAL, LIMITED PARTNERSHIP	31 Dec, 2025	864,022	2,881	0.33%	$36,029,717.00
Divisadero Street Capital Management, LP	31 Dec, 2025	809,729	698,163	625.78%	$33,765,699.00
FIRST TRUST ADVISORS LP	31 Dec, 2025	714,382	148,488	26.24%	$29,789,729.00
DIMENSIONAL FUND ADVISORS LP	31 Dec, 2025	671,243	-6,842	-1.01%	$27,991,180.00
Doma Perpetual Capital Management LLC	31 Dec, 2025	627,931	-537,416	-46.12%	$26,184,723.00
NORTHERN TRUST CORP	31 Dec, 2025	597,918	-42,399	-6.62%	$24,933,180.00
ROYAL BANK OF CANADA	31 Dec, 2025	580,557	-65,707	-10.17%	$24,211,000.00
MORGAN STANLEY	31 Dec, 2025	423,516	42,922	11.28%	$17,660,665.00
JACOBS LEVY EQUITY MANAGEMENT, INC	31 Dec, 2025	414,990	-23,337	-5.32%	$17,305,083.00
Qube Research & Technologies Ltd	31 Dec, 2025	376,227	-44,581	-10.59%	$15,688,666.00
ENVESTNET ASSET MANAGEMENT INC	31 Dec, 2025	365,742	-56,355	-13.35%	$15,251,459.00
RENAISSANCE TECHNOLOGIES LLC	31 Dec, 2025	333,200	18,100	5.74%	$13,894,440.00

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