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Security record · archived quarter

NSSC

Napco Security Technologies, Inc. · Industrials · Security & Protection Services

35.57 -1.1% mkt cap $1.27B quote delayed (FMP) · as of Oct 18 03:59 UTC · separate from filing data below

Q3 2026 Q2 2026 Q1 2026 Q4 2025 Q3 2025 Q2 2025 Q1 2025 Q4 2024
97Tracked holders
-3Δ holders
24.10MShares held
$949.24MReported value
+6New positions
−10Exits
Rising Conviction score 58/100 6 quarters of rising tracked shares ●●●●●● How these are computed → Explain this at the Research Desk →

Momentum inputs (comparable managers): holder breadth -3.0% · share flow +18.5% · net new positions -4.1% · formula
Concentrated accumulation: rising shares among fewer holders

All ownership figures: tracked 13F managers only, common-stock positions, reporting period Q1 2026

Ownership over time
QuarterHoldersΔSharesReported valueNewExits
Q3 2026 1 0 20.66K $726,476 n/a n/a
Q2 2026 89 -6 23.53M $893.91M +4 −9
Q1 2026 97 -3 24.10M $949.24M +6 −10
Q4 2025 101 +1 21.74M $906.70M +2 n/a
Q3 2025 21 0 12.44M $534.26M +1 −2
Q2 2025 19 +3 11.23M $333.42M +3 n/a
Q1 2025 13 0 4.45M $102.54M +1 −1
Q4 2024 13 +1 4.35M $154.82M +1 n/a
Q3 2024 11 -1 2.29M $92.84M +2 −3
Q2 2024 12 n/a 2.35M $121.89M n/a n/a
Holder count
Who holds it · Q1 2026
#ManagerSharesΔ sharesValueTheir weightHeld
1 BlackRock ✦ (passive) 5.68M +76.2% $223.80M 0.0% ▲ Add 4 SEC ↗ ×14
2 Vanguard Capital Management Llc 1.51M n/a $59.29M 0.0% n/c 1 SEC ↗
3 State Street Global Advisors ✦ (passive) 1.43M +59.7% $56.52M 0.0% ▲ Add 6 SEC ↗
4 Janus Henderson Group Plc 1.42M -9.2% $56.14M 0.0% ▼ Trim 2 SEC ↗ ×3
5 Geode Capital Management ✦ (passive) 1.11M +7.7% $43.65M 0.0% ▲ Add 8 SEC ↗ ×2
6 Wellington Management ✦ 929.60K +5.7% $36.62M 0.0% ▲ Add 6 SEC ↗ ×3
7 Arrowstreet Capital ✦ 846.04K -2.1% $33.33M 0.0% ▼ Trim 4 SEC ↗
8 Prudential Financial Inc 750.03K New $29.54M 0.0% New 1 SEC ↗ ×2
9 Dimensional Fund Advisors Lp 702.85K +4.7% $27.68M 0.0% ▲ Add 2 SEC ↗ ×5
10 First Trust Advisors Lp 685.19K -4.1% $26.99M 0.0% ▼ Trim 2 SEC ↗
11 Northern Trust Corp 584.33K -2.3% $23.02M 0.0% ▼ Trim 2 SEC ↗ ×7
12 Point72 Asset Management ✦ 482.27K +87.0% $19.00M 0.0% ▲ Add 7 SEC ↗
13 Royal Bank Of Canada 476.56K -17.9% $18.77M 0.0% ▼ Trim 2 SEC ↗ ×7
14 Morgan Stanley ✦ 464.86K +9.8% $18.31M 0.0% ▲ Add 3 SEC ↗ ×8
15 Renaissance Technologies ✦ 436.80K +31.1% $17.21M 0.0% ▲ Add 8 SEC ↗
16 Goldman Sachs Group ✦ 403.29K +30.0% $15.89M 0.0% ▲ Add 3 SEC ↗ ×2
17 Envestnet Asset Management Inc 375.64K +2.7% $14.80M 0.0% ▲ Add 2 SEC ↗
18 Charles Schwab Investment… 338.56K +7.5% $13.34M 0.0% ▲ Add 2 SEC ↗
19 Bank of New York Mellon Corp 302.97K +40.3% $11.93M 0.0% ▲ Add 2 SEC ↗ ×6
20 AQR Capital Management ✦ 285.03K -4.0% $11.23M 0.0% ▼ Trim 8 SEC ↗ ×7
21 Captrust Financial Advisors 274.42K +48.0% $10.81M 0.0% ▲ Add 2 SEC ↗
22 UBS AM, a distinct business unit of… 272.03K +107.5% $10.72M 0.0% ▲ Add 2 SEC ↗ ×5
23 Federated Hermes, Inc. 269.64K +2.7% $10.62M 0.0% ▲ Add 2 SEC ↗ ×2
24 Principal Financial Group Inc 225.31K +239.7% $8.88M 0.0% ▲ Add 2 SEC ↗ ×2
25 Bank Of America Corp /De/ 221.76K -28.6% $8.74M 0.0% ▼ Trim 2 SEC ↗ ×4
26 Russell Investments Group, Ltd. 213.79K +45.5% $8.42M 0.0% ▲ Add 2 SEC ↗ ×14
27 Man Group plc 209.63K +75.7% $8.26M 0.0% ▲ Add 2 SEC ↗ ×2
28 Nuveen, LLC 199.13K +169.9% $7.84M 0.0% ▲ Add 2 SEC ↗ ×3
29 GAMCO Investors ✦ 178.90K -5.0% $7.05M 0.1% ▼ Trim 8 SEC ↗
30 Qube Research & Technologies Ltd 166.64K -55.7% $6.56M 0.0% ▼ Trim 2 SEC ↗
31 Canada Pension Plan Investment Board 162.40K -8.3% $6.40M 0.0% ▼ Trim 2 SEC ↗
32 Sei Investments Co 131.42K +39.0% $5.18M 0.0% ▲ Add 2 SEC ↗ ×2
33 Invesco Ltd. 124.39K +153.3% $4.90M 0.0% ▲ Add 2 SEC ↗ ×5
34 Rockefeller Capital Management L.P. 118.79K +2.6% $4.70M 0.0% ▲ Add 2 SEC ↗ ×4
35 HighTower Advisors, LLC 118.13K -3.9% $4.65M 0.0% ▼ Trim 2 SEC ↗
36 Bnp Paribas Financial Markets 112.95K -48.6% $4.45M 0.0% ▼ Trim 2 SEC ↗
37 JPMorgan Chase ✦ 102.56K +45.6% $3.89M 0.0% ▲ Add 3 SEC ↗ ×9
38 Stifel Financial Corp 93.69K -3.1% $3.69M 0.0% ▼ Trim 2 SEC ↗ ×3
39 Rhumbline Advisers 93.57K +109.1% $3.69M 0.0% ▲ Add 2 SEC ↗
40 American Century Companies Inc 90.47K -12.3% $3.56M 0.0% ▼ Trim 2 SEC ↗
41 Two Sigma Investments ✦ 86.20K +224.1% $3.40M 0.0% ▲ Add 2 SEC ↗
42 Legal & General Group Plc 83.24K +119.2% $3.28M 0.0% ▲ Add 2 SEC ↗ ×3
43 New York State Common Retirement… 72.92K 0.0% $2.87M 0.0% Held 2 SEC ↗
44 Swiss National Bank 70.40K 0.0% $2.77M 0.0% Held 2 SEC ↗
45 Citadel Advisors ✦ 69.69K -51.1% $2.75M 0.0% ▼ Trim 8 SEC ↗ ×2
46 Hrt Financial Lp 65.82K -25.9% $2.59M 0.0% ▼ Trim 2 SEC ↗
47 Ameriprise Financial Inc 64.72K New $2.55M 0.0% New 1 SEC ↗ ×2
48 Allianz Asset Management GmbH 60.65K -24.3% $2.39M 0.0% ▼ Trim 2 SEC ↗ ×2
49 UBS Group AG 50.77K -27.6% $2.00M 0.0% ▼ Trim 2 SEC ↗ ×4
50 Victory Capital Management Inc 48.52K +20.0% $1.91M 0.0% ▲ Add 2 SEC ↗
51 California State Teachers… 48.50K +37.4% $1.91M 0.0% ▲ Add 2 SEC ↗
52 Gotham Asset Management ✦ 46.08K +124.8% $1.82M 0.0% ▲ Add 8 SEC ↗
53 Raymond James Financial Inc 43.00K New $1.69M 0.0% New 1 SEC ↗ ×2
54 Alliancebernstein L.P. 37.64K -9.9% $1.57M 0.0% ▼ Trim 2 SEC ↗
55 Creative Planning 37.01K +16.3% $1.46M 0.0% ▲ Add 2 SEC ↗
56 Healthcare Of Ontario Pension Plan… 32.21K -17.0% $1.27M 0.0% ▼ Trim 2 SEC ↗
57 State Board Of Administration Of… 32.13K +157.4% $1.27M 0.0% ▲ Add 2 SEC ↗
58 Deutsche Bank Ag\ 31.48K -69.1% $1.24M 0.0% ▼ Trim 2 SEC ↗ ×2
59 T. Rowe Price ✦ 31.04K +22.7% $1.22M 0.0% ▲ Add 8 SEC ↗ ×2
60 LPL Financial LLC 28.70K -7.8% $1.13M 0.0% ▼ Trim 2 SEC ↗
61 Balyasny Asset Management L.P. 27.98K +39.2% $1.10M 0.0% ▲ Add 2 SEC ↗ ×2
62 Zurcher Kantonalbank (Zurich… 27.34K +245.7% $1.08M 0.0% ▲ Add 2 SEC ↗
63 Franklin Resources Inc 21.63K -4.5% $852,046 0.0% ▼ Trim 2 SEC ↗ ×3
64 Cetera Investment Advisers 21.56K -5.6% $849,218 0.0% ▼ Trim 2 SEC ↗
65 Wells Fargo & Company/Mn 21.46K -47.9% $845,237 0.0% ▼ Trim 2 SEC ↗ ×3
66 Hsbc Holdings Plc 21.07K -54.7% $825,128 0.0% ▼ Trim 2 SEC ↗
67 Quantinno Capital Management LP 19.46K +3.2% $766,690 0.0% ▲ Add 2 SEC ↗
68 Susquehanna International Group, Llp 19.32K -34.1% $760,936 0.0% ▼ Trim 2 SEC ↗
69 Cerity Partners LLC 17.42K +1.3% $686,017 0.0% ▲ Add 2 SEC ↗ ×2
70 Wealth Enhancement Advisory… 17.10K +42.7% $681,737 0.0% ▲ Add 2 SEC ↗
71 MIRAE ASSET GLOBAL ETFS HOLDINGS… 16.18K +1.2% $637,370 0.0% ▲ Add 2 SEC ↗
72 Fifth Third Bancorp 15.90K New $626,346 0.0% New 1 SEC ↗
73 Cwm, Llc 15.68K -12.2% $617,753 0.0% ▼ Trim 2 SEC ↗
74 Manufacturers Life Insurance… 15.56K -2.3% $612,987 0.0% ▼ Trim 2 SEC ↗
75 Truist Financial Corp 15.36K -12.5% $604,914 0.0% ▼ Trim 2 SEC ↗ ×2
76 Neuberger Berman Group LLC 15.16K +2.4% $597,310 0.0% ▲ Add 2 SEC ↗ ×2
77 Millennium Management ✦ 14.60K -80.1% $575,015 0.0% ▼ Trim 8 SEC ↗
78 Lazard Asset Management Llc 14.31K +6.2% $563,750 0.0% ▲ Add 2 SEC ↗
79 Barclays Plc 14.14K -79.5% $557,172 0.0% ▼ Trim 2 SEC ↗ ×3
80 BNP Paribas Asset Management… 12.23K +3936.6% $481,779 0.0% ▲ Add 2 SEC ↗ ×3
81 Corient Private Wealth LP 11.39K -69.4% $448,655 0.0% ▼ Trim 2 SEC ↗
82 Citigroup Inc 11.28K +294.6% $444,438 0.0% ▲ Add 2 SEC ↗ ×2
83 Marshall Wace ✦ 10.84K -88.9% $426,949 0.0% ▼ Trim 8 SEC ↗ ×2
84 Aviva Plc 10.54K -10.8% $415,328 0.0% ▼ Trim 2 SEC ↗
85 Pacer Advisors, Inc. 6.25K New $246,000 0.0% New 1 SEC ↗
86 Pictet Asset Management Holding SA 6.13K +24.6% $241,539 0.0% ▲ Add 2 SEC ↗
87 Voya Investment Management Llc 5.94K -4.7% $234,134 0.0% ▼ Trim 2 SEC ↗
88 Universal- Beteiligungs- und… 5.80K 0.0% $228,423 0.0% Held 2 SEC ↗
89 Mercer Global Advisors Inc /Adv 5.75K -1.6% $226,541 0.0% ▼ Trim 2 SEC ↗
90 Pnc Financial Services Group, Inc. 5.61K +2498.2% $221,056 0.0% ▲ Add 2 SEC ↗ ×2
91 ProShare Advisors LLC 5.39K -14.7% $212,155 0.0% ▼ Trim 2 SEC ↗
92 Amundi 5.30K New $208,963 0.0% New 1 SEC ↗ ×2
93 Fidelity (FMR) ✦ 3.73K -16.9% $146,804 0.0% ▼ Trim 4 SEC ↗ ×2
94 Osaic Holdings, Inc. 1.42K +66.8% $55,910 0.0% ▲ Add 2 SEC ↗
95 Jones Financial Companies Lllp 628 +613.6% $24,059 0.0% ▲ Add 2 SEC ↗
96 Us Bancorp \De\ 550 +2.6% $21,665 0.0% ▲ Add 2 SEC ↗ ×2
97 Assetmark, Inc 50 +42.9% $1,970 0.0% ▲ Add 2 SEC ↗

“Their weight” = the position's share of that manager's reported 13F equity value: the conviction measure. ✦ = curated manager.

New buyers

Prudential Financial Inc $29.54M 0.0%
Ameriprise Financial Inc $2.55M 0.0%
Raymond James Financial Inc $1.69M 0.0%
Fifth Third Bancorp $626,346 0.0%
Pacer Advisors, Inc. $246,000 0.0%
Amundi $208,963 0.0%

Exited

Adage Capital Partners $10.15M was 0.0%
Tudor Investment Corp Et Al $8.36M was 0.0%
Danske Bank A/S $5.43M was 0.0%
D. E. Shaw & Co. $3.14M was 0.0%
Jane Street Group, Llc $1.50M was 0.0%
Norges Bank $956,390 was 0.0%
Mml Investors Services, Llc $218,375 was 0.0%
Tidal Investments LLC $212,879 was 0.0%
Walleye Trading LLC $192,112 was 0.0%
Simplex Trading, Llc $140,779 was 0.0%

Full-market context: across ALL 13F filers (SEC structured data, Q1 2026): 269 holders, 34.55M shares, $1.32B reported. This is a different, older period than the tracked-universe figures above and the two are never mixed.

Frequently co-owned

What else this security's tracked holders most often hold: shared-ownership counts, not fundamental relationships.

Insider transactions

Open-market purchases (P)

No open-market insider purchases in our coverage window.

Open-market sales (S)

Aug 27 SOLOWAY RICHARD

Officer, Director · 379.53K sh · $13.09M

Aug 27 Soloway Donna Anne

Director · 20.96K sh · $725,704

Aug 26 SOLOWAY RICHARD

Officer, Director · 95.47K sh · $3.43M

Aug 26 Soloway Donna Anne

Director · 28.00K sh · $1.01M

Awards, exercises and tax withholding are never counted as buys or sales here. Methodology

Beneficial ownership
Oct 13 SC 13G: Copeland Capital Management, LLC

View original SEC filing ↗

Aug 04 SC 13G: Copeland Capital Management, LLC

View original SEC filing ↗

Jul 31 SC 13G: VANGUARD CAPITAL MANAGEMENT LLC

View original SEC filing ↗

Provenance: Ownership from parsed 13F common-stock positions (tracked universe, comparable sets for changes); insider rows from Forms 3/4/5; stakes from Schedules 13D/13G; every filing links to its original on SEC EDGAR. Reporting period: Q1 2026 · Methodology · Get this via the API