What percentage of NSSC is owned by institutions?

Based on Q1 2026 13F filings, institutional ownership of Napco Security Technologies, Inc. stands at 99.4%, held across 266 reporting institutions.

Who is the largest institutional holder of NSSC?

BlackRock, Inc. is the largest reported institutional holder of NSSC, with approximately 5,681,770 shares worth $0.22B as of Q1 2026.

Is NSSC a hedge fund favorite?

Yes — 2 widely-followed marquee investors appear among the top 25 institutional holders of NSSC, including Point72 Asset Management, L.P., RENAISSANCE TECHNOLOGIES LLC.

What is NSSC's Smart Money Score?

Our composite Smart Money Score for NSSC is 68 out of 100 (Bullish). It combines net institutional buying activity, ownership shift, marquee investor presence, and holder-count growth.

How many institutions bought NSSC this quarter?

52 institutions opened new positions in NSSC during Q1 2026, while 36 fully exited. 75 added to existing positions and 138 trimmed.

How is institutional ownership of NSSC changing?

NSSC institutional ownership rose by 2.50 percentage points quarter-over-quarter, with a net change of +16 holders.

How concentrated is NSSC ownership among the top holders?

The top 10 institutions account for 51.2% of all reported 13F value in NSSC, and the top 25 account for 72.0%.

Where does this NSSC institutional ownership data come from?

All data is sourced from SEC Form 13F filings, which institutional investment managers with at least $100M in assets are required to file each quarter. We process every 13F filing from EDGAR and recompute the aggregates after each cycle. Insider transactions are sourced from Form 4 filings.

Napco Security Technologies, Inc. (NSSC) Institutional Ownership Q1 2026 | Top 13F Holders

VCP ScannerFree US Stock Screener & Financial AnalysisFree US Stock Screener

← Back to Screener

Napco Security Technologies, Inc. (NSSC) Institutional Ownership Q1 2026 | Top 13F Holders | VCP Scanner

Top Institutional Holders of NSSC

Ranked by reported Q1 2026 13F market value

Top 10 Holders

51.2%

Top 25 Holders

72.0%

Share of total reported institutional value in NSSC held by the largest 10 / 25 filers.

#	Institution	Shares Held	Market Value	QoQ Change	Ownership %	% of Fund
1	BlackRock, Inc.	5.7M	$223.8M	+76.2%	15.931%	0.00%
2	Copeland Capital Management, LLC	2.0M	$79.1M	+41.4%	5.633%	1.76%
3	VANGUARD CAPITAL MANAGEMENT LLC	1.5M	$59.3M	—	4.220%	0.00%
4	VANGUARD PORTFOLIO MANAGEMENT LLC	1.5M	$57.7M	—	4.106%	0.00%
5	STATE STREET CORP	1.4M	$56.5M	+59.7%	4.014%	0.00%
6	JANUS HENDERSON GROUP PLC	1.4M	$56.1M	-9.2%	3.995%	0.03%
7	GEODE CAPITAL MANAGEMENT, LLC	1.1M	$43.7M	+7.7%	3.107%	0.00%
8	WELLINGTON MANAGEMENT GROUP LLP	930K	$36.6M	+5.7%	2.607%	0.01%
9	ARROWSTREET CAPITAL, LIMITED PARTNERSHIP	846K	$33.3M	-2.1%	2.372%	0.02%
10	PRUDENTIAL FINANCIAL INC	750K	$29.5M	—	2.103%	0.04%
11	DIMENSIONAL FUND ADVISORS LP	703K	$27.7M	+4.7%	1.971%	0.01%
12	FIRST TRUST ADVISORS LP	685K	$27.0M	-4.1%	1.921%	0.02%
13	Doma Perpetual Capital Management LLC	628K	$24.7M	0.0%	1.761%	6.64%
14	NORTHERN TRUST CORP	584K	$23.0M	-2.3%	1.638%	0.00%
15	Point72 Asset Management, L.P.	482K	$19.0M	+87.0%	1.352%	0.03%
16	ROYAL BANK OF CANADA	477K	$18.8M	-17.9%	1.336%	0.00%
17	MORGAN STANLEY	465K	$18.3M	+9.8%	1.303%	0.00%
18	RENAISSANCE TECHNOLOGIES LLC	437K	$17.2M	+31.1%	1.225%	0.03%
19	JACOBS LEVY EQUITY MANAGEMENT, INC	413K	$16.3M	-0.5%	1.157%	0.07%
20	GOLDMAN SACHS GROUP INC	403K	$15.9M	+30.0%	1.131%	0.00%
21	Fundsmith LLP	384K	$15.1M	-78.5%	1.076%	0.12%
22	ENVESTNET ASSET MANAGEMENT INC	376K	$14.8M	+2.7%	1.053%	0.00%
23	CHARLES SCHWAB INVESTMENT MANAGEMENT INC	339K	$13.3M	+7.5%	0.949%	0.00%
24	Bank of New York Mellon Corp	303K	$11.9M	+40.3%	0.850%	0.00%
25	AQR CAPITAL MANAGEMENT LLC	285K	$11.2M	-4.0%	0.799%	0.01%

denotes a marquee investor (Buffett, Burry, ARK, Tiger Global, Pershing Square, Baupost and other widely-followed managers). “% of Fund” shows how much of that investor’s total 13F portfolio is invested in NSSC — a direct measure of their conviction.

NSSC Institutional Ownership by Quarter

8 quarters of 13F filings · Δ columns show change vs prior quarter

Quarter	Inst. Holders	Δ Holders	Ownership %	Δ Ownership	Total 13F Value	Δ Value
Q1 2026	266	+6.4%	99.42%	+2.50 pp	$1.32B	+2.6%
Q4 2025	250	+5.5%	96.92%	3.47 pp	$1.29B	3.5%
Q3 2025	237	+7.7%	100.39%	+30.73 pp	$1.33B	+44%
Q2 2025	220	1.8%	69.66%	+17.44 pp	$925M	+33%
Q1 2025	224	9.7%	52.22%	35.22 pp	$693M	40%
Q4 2024	248	3.5%	87.44%	10.73 pp	$1.16B	11%
Q3 2024	257	3.7%	98.17%	12.74 pp	$1.30B	11%
Q2 2024	267	—	110.91%	—	$1.47B	—

Source: SEC 13F institutional filings. Ownership % requires market cap data and will show once linked. Δ columns compare to the immediately prior filed quarter.

Napco Security Technologies, Inc. (NSSC) Institutional Ownership

AI Insights & Key Takeaways

Top Institutional Holders of NSSC

Quarterly Institutional Activity

New Buyers

Exited Positions

NSSC Institutional Ownership by Quarter

NSSC — Frequently Asked Questions