Napco Security Technologies, Inc (NSSC) Institutional Ownership

Institutions by Trading Activity

Ownership Statistics

0Shares Outstanding

1,612,569Shares held by institutions

$60,987,360Value of institutional holdings

89.48%Institutional ownership %

-1.22%Shares Changed QoQ

218No. of institutional investors

Shares Owned by Institutions

Shares Purchased/Sold by Institutions

Ownership Summary

Napco Security Technologies, Inc (NASDAQ:NSSC) has 248 institutional investors with active 13F positions as of December 2025.

These investors held 87.9% of outstanding shares in December 2025, down from 90.4% in September 2025.
Their total shares held in NSSC increased 0.46% quarter over quarter, and separately, investors owning Napco Security Technologies decreased 0.4% from a year ago.
Of these 248 funds, 114 grew their exposure to Napco Security Technologies, 94 cut back, and 40 maintained positions.
The aggregate institutional position in Napco Security Technologies amounted to 31.57Mn shares as of December 2025, up by 144.3K shares quarter on quarter, and down 2.9Mn shares year over year.
As of December 31, 2025, BlackRock, Inc. held the largest stake in Napco Security Technologies with 3.22Mn shares, accounting for 8.98% of total shares outstanding.
The biggest buyers of Napco Security Technologies for the quarter ending December 2025 included 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. (130.6K).
The biggest sellers of Napco Security Technologies for the quarter ending December 2025 included Doma Perpetual Capital Management LLC (537.42K), Jpmorgan Chase & Co (444.37K), DEUTSCHE BANK AG\ (265.53K), Rockefeller Capital Management L.P. (232.82K), Bank Of America Corp /De/ (192.05K).
According to Business Quant data, leading holders of NSSC for December 2025 are 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 (879.3K), ARROWSTREET CAPITAL, LIMITED PARTNERSHIP (864.02K), Divisadero Street Capital Management, LP (809.73K).

248 Institutional Holders

1,612,569 Total Shares Held

Rows:

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Owner Name	Date	Change (QoQ)	Change (%)	Value (USD)
BlackRock, Inc.	31 Dec, 2025	340,620	11.81%	$0.00
VANGUARD GROUP INC	31 Dec, 2025	31,644	1.11%	$0.00
Divisadero Street Capital Management, LP	31 Dec, 2025	698,163	625.78%	$0.00
Rockefeller Capital Management L.P.	31 Dec, 2025	-117,062	-33.58%	$0.00
Fundsmith LLP	31 Dec, 2025	0	0.00%	$0.00
Doma Perpetual Capital Management LLC	31 Dec, 2025	-537,416	-46.12%	$0.00
Barclays Plc	31 Dec, 2025	-48,205	-41.14%	$0.00
Janus Henderson Group Plc	31 Dec, 2025	45,093	2.96%	$0.00
Qube Research & Technologies Ltd	31 Dec, 2025	-44,581	-10.59%	$0.00
HSBC HOLDINGS PLC	31 Dec, 2025	46,532	0.00%	$0.00
Copeland Capital Management, LLC	31 Dec, 2025	-76,720	-5.12%	$0.00
Visionary Wealth Advisors	31 Dec, 2025	3,903	1.51%	$0.00
GEODE CAPITAL MANAGEMENT, LLC	31 Dec, 2025	4,324	0.42%	$0.00
Point72 Asset Management, L.P.	31 Dec, 2025	130,599	102.64%	$0.00
State Street Corp	31 Dec, 2025	112,495	14.35%	$0.00
Russell Investments Group, Ltd.	31 Dec, 2025	5,616	3.97%	$0.00
WELLINGTON MANAGEMENT GROUP LLP	31 Dec, 2025	-129,559	-12.84%	$0.00
CenterBook Partners LP	31 Dec, 2025	3,285	2.53%	$0.00
ARROWSTREET CAPITAL, LIMITED PARTNERSHIP	31 Dec, 2025	2,881	0.33%	$0.00
Trexquant Investment LP	31 Dec, 2025	-49,657	-27.33%	$0.00

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