Napco Security Technologies NSSC Institutional Ownership

NASDAQ NSSC

$35.91 -1.17 (-3.17%)

As of: Sep 9, 2026 · 3:59 PM EDT

Institutions by Trading Activity

260 Institutions

Increased 137 52.7%

Unchanged 34 13.1%

Reduced 89 34.2%

Ownership Statistics

13F · as of 30 Jun, 2026

Institutional Ownership

102.18%

▲+1.05 pp QoQ

Shares Held by Institutions

36.47Mn

of 35.69Mn outstanding

▲+12.25% QoQ

Shares Outstanding

35.69Mn

-778.35K held outside 13F filers

Institutional Investors

260

filed 13F for Jun 2026

▼-11 vs prior quarter

Net Shares Added (QoQ)

+3.98Mn

accumulated since last quarter

Value of Holdings

$1.35Bn

reported market value

Shares Owned by Institutions

Shares held % of outstanding

Latest —

Average ownership —

Peak ownership —

Shares Purchased/Sold by Institutions

Accumulated Distributed

Latest quarter —

Net over range —

Accumulating quarters —

Ownership Summary

Quarter ending 30 Jun, 2026

Napco Security Technologies, Inc (NASDAQ:NSSC) has 260 institutional investors with active 13F positions as of June 2026.

These investors collectively held 102.2% of Napco Security Technologies's outstanding shares in June 2026, up from 101.1% in March 2026.
They increased total shares held in Napco Security Technologies by 12.25% from last quarter, and the number of investors in NSSC increased 18.72% annually.
Of these 260 funds, 137 grew their exposure to Napco Security Technologies, 89 cut back, and 34 maintained positions.
The aggregate institutional position in Napco Security Technologies amounted to 36.47Mn shares as of June 2026, up by 3.98Mn shares quarter on quarter, and up 3.81Mn shares year over year.
BlackRock, Inc. holds the largest position in NSSC at 5.63Mn shares as of June 30, 2026, or 15.78% of shares outstanding.
The largest buyers of Napco Security Technologies for the quarter ending June 2026 were Jupiter Topco LLC (1.68Mn), FIRST TRUST ADVISORS LP (618.88K), Morgan Stanley (494.92K), Sixth Street Partners Management Company, L.P. (354.53K), DEPRINCE RACE & ZOLLO INC (289.87K).
The largest sellers of Napco Security Technologies for the quarter ending June 2026 were Prudential Financial Inc (475.21K), JACOBS LEVY EQUITY MANAGEMENT, INC (211.12K), ALGERT GLOBAL LLC (202.14K), Man Group plc (187.1K), ARROWSTREET CAPITAL, LIMITED PARTNERSHIP (148.1K).
According to Business Quant data, leading holders of NSSC for June 2026 are BlackRock, Inc. (5.63Mn), Copeland Capital Management, LLC (2.02Mn), Jupiter Topco LLC (1.68Mn), VANGUARD CAPITAL MANAGEMENT LLC (1.53Mn), State Street Corp (1.5Mn), VANGUARD PORTFOLIO MANAGEMENT LLC (1.49Mn), FIRST TRUST ADVISORS LP (1.3Mn), GEODE CAPITAL MANAGEMENT, LLC (1.2Mn), WELLINGTON MANAGEMENT GROUP LLP (1.1Mn), Morgan Stanley (959.78K).

Form 13F Holdings

260 Institutional Holders

Report period 30 Jun, 2026

Total shares held 36.47Mn

Of outstanding 102.18%

#	Institution	CIK	Shares Held	% of Outstanding	Change (QoQ)	Change (%)	Value (USD)
1	BlackRock, Inc.	0002012383	5,632,646	15.78%	▼49,124	-0.86%	$213.93Mn
2	Copeland Capital Management, LLC	0001541743	2,016,873	5.65%	▲7,784	+0.39%	$76.60Mn
3	Jupiter Topco LLC	0002146052	1,682,208	4.71%	▲1,682,208	0.00%	$63.86Mn
4	VANGUARD CAPITAL MANAGEMENT LLC	0002100119	1,526,818	4.28%	▲21,641	+1.44%	$57.99Mn
5	State Street Corp	0000093751	1,504,759	4.22%	▲73,256	+5.12%	$57.37Mn
6	VANGUARD PORTFOLIO MANAGEMENT LLC	0002100121	1,494,431	4.19%	▲30,219	+2.06%	$56.76Mn
7	FIRST TRUST ADVISORS LP	0001125816	1,304,074	3.65%	▲618,885	+90.32%	$49.53Mn
8	GEODE CAPITAL MANAGEMENT, LLC	0001214717	1,196,951	3.35%	▲88,859	+8.02%	$45.47Mn
9	WELLINGTON MANAGEMENT GROUP LLP	0000902219	1,102,280	3.09%	▲172,681	+18.58%	$41.86Mn
10	Morgan Stanley	0000895421	959,777	2.69%	▲494,916	+106.47%	$36.45Mn
11	DIMENSIONAL FUND ADVISORS LP	0000354204	725,550	2.03%	▲22,698	+3.23%	$27.56Mn
12	ARROWSTREET CAPITAL, LIMITED PARTNERSHIP	0001164508	697,937	1.96%	▼148,103	-17.51%	$26.51Mn
13	Doma Perpetual Capital Management LLC	0001962221	627,931	1.76%	0	0.00%	$23.85Mn
14	Northern Trust Corp	0000073124	610,616	1.71%	▲26,289	+4.50%	$23.19Mn
15	Fundsmith LLP	0001569205	606,974	1.70%	▲223,378	+58.23%	$23.05Mn
16	BESSEMER GROUP INC	0001054074	430,452	1.21%	▲137,585	+46.98%	$16.35K
17	DEPRINCE RACE & ZOLLO INC	0001008894	408,632	1.14%	▲289,869	+244.07%	$15.52Mn
18	Royal Bank Of Canada	0001000275	406,408	1.14%	▼70,150	-14.72%	$15.44Mn
19	RENAISSANCE TECHNOLOGIES LLC	0001037389	406,200	1.14%	▼30,600	-7.01%	$15.43Mn
20	Point72 Asset Management, L.P.	0001603466	379,686	1.06%	▼102,586	-21.27%	$14.42Mn

Showing 1 to 20 of 260 holders