Security record
NSSC
Napco Security Technologies, Inc. · Industrials · Security & Protection Services
89Tracked holders
-6Δ holders
23.55MShares held
$894.69MReported value
+4New positions
−9Exits
Momentum inputs (comparable managers):
holder breadth -6.3% ·
share flow +4.1% ·
net new positions -5.6%
— formula
Concentrated accumulation — rising shares among fewer holders
All ownership figures: tracked 13F managers only, common-stock positions, reporting period Q2 2026
Ownership over time
| Quarter | Holders | Δ | Shares | Reported value | New | Exits |
|---|---|---|---|---|---|---|
| Q2 2026 | 89 | -6 | 23.55M | $894.69M | +4 | −9 |
| Q1 2026 | 97 | -3 | 24.10M | $949.24M | +6 | −10 |
| Q4 2025 | 101 | +1 | 21.74M | $906.70M | +2 | — |
| Q3 2025 | 21 | 0 | 12.44M | $534.26M | +1 | −2 |
| Q2 2025 | 19 | +3 | 11.23M | $333.42M | +3 | — |
| Q1 2025 | 13 | 0 | 4.45M | $102.54M | +1 | −1 |
| Q4 2024 | 13 | +1 | 4.35M | $154.82M | +1 | — |
| Q3 2024 | 11 | -1 | 2.29M | $92.84M | +2 | −3 |
| Q2 2024 | 12 | — | 2.35M | $121.89M | — | — |
Who holds it · Q2 2026
| # | Manager | Shares | Δ shares | Value | Their weight | Held | ||
|---|---|---|---|---|---|---|---|---|
| 1 | BlackRock ✦ (passive) | 5.63M | -0.9% | $213.93M | 0.0% | ▼ Trim | 5 | SEC ↗ |
| 2 | BlackRock ✦ (passive) | 5.63M | -0.9% | $213.93M | 0.0% | ▼ Trim | 5 | SEC ↗ |
| 3 | BlackRock ✦ (passive) | 5.63M | -0.9% | $213.93M | 0.0% | ▼ Trim | 5 | SEC ↗ |
| 4 | BlackRock ✦ (passive) | 5.63M | -0.9% | $213.93M | 0.0% | ▼ Trim | 5 | SEC ↗ |
| 5 | BlackRock ✦ (passive) | 5.63M | -0.9% | $213.93M | 0.0% | ▼ Trim | 5 | SEC ↗ |
| 6 | BlackRock ✦ (passive) | 5.63M | -0.9% | $213.93M | 0.0% | ▼ Trim | 5 | SEC ↗ |
| 7 | BlackRock ✦ (passive) | 5.63M | -0.9% | $213.93M | 0.0% | ▼ Trim | 5 | SEC ↗ |
| 8 | BlackRock ✦ (passive) | 5.63M | -0.9% | $213.93M | 0.0% | ▼ Trim | 5 | SEC ↗ |
| 9 | BlackRock ✦ (passive) | 5.63M | -0.9% | $213.93M | 0.0% | ▼ Trim | 5 | SEC ↗ |
| 10 | BlackRock ✦ (passive) | 5.63M | -0.9% | $213.93M | 0.0% | ▼ Trim | 5 | SEC ↗ |
| 11 | BlackRock ✦ (passive) | 5.63M | -0.9% | $213.93M | 0.0% | ▼ Trim | 5 | SEC ↗ |
| 12 | BlackRock ✦ (passive) | 5.63M | -0.9% | $213.93M | 0.0% | ▼ Trim | 5 | SEC ↗ |
| 13 | BlackRock ✦ (passive) | 5.63M | -0.9% | $213.93M | 0.0% | ▼ Trim | 5 | SEC ↗ |
| 14 | BlackRock ✦ (passive) | 5.63M | -0.9% | $213.93M | 0.0% | ▼ Trim | 5 | SEC ↗ |
| 15 | Vanguard Capital Management Llc | 1.53M | +1.4% | $57.99M | 0.0% | ▲ Add | 2 | SEC ↗ |
| 16 | State Street Global Advisors ✦ (passive) | 1.50M | +5.1% | $57.37M | 0.0% | ▲ Add | 7 | SEC ↗ |
| 17 | First Trust Advisors Lp | 1.30M | +90.3% | $49.53M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 18 | Geode Capital Management ✦ (passive) | 1.20M | +8.0% | $45.47M | 0.0% | ▲ Add | 9 | SEC ↗ |
| 19 | Geode Capital Management ✦ (passive) | 1.20M | +8.0% | $45.47M | 0.0% | ▲ Add | 9 | SEC ↗ |
| 20 | Wellington Management ✦ | 1.10M | +18.6% | $41.86M | 0.0% | ▲ Add | 7 | SEC ↗ |
| 21 | Wellington Management ✦ | 1.10M | +18.6% | $41.86M | 0.0% | ▲ Add | 7 | SEC ↗ |
| 22 | Wellington Management ✦ | 1.10M | +18.6% | $41.86M | 0.0% | ▲ Add | 7 | SEC ↗ |
| 23 | Morgan Stanley ✦ | 959.78K | +106.5% | $36.45M | 0.0% | ▲ Add | 4 | SEC ↗ |
| 24 | Morgan Stanley ✦ | 959.78K | +106.5% | $36.45M | 0.0% | ▲ Add | 4 | SEC ↗ |
| 25 | Morgan Stanley ✦ | 959.78K | +106.5% | $36.45M | 0.0% | ▲ Add | 4 | SEC ↗ |
| 26 | Morgan Stanley ✦ | 959.78K | +106.5% | $36.45M | 0.0% | ▲ Add | 4 | SEC ↗ |
| 27 | Morgan Stanley ✦ | 959.78K | +106.5% | $36.45M | 0.0% | ▲ Add | 4 | SEC ↗ |
| 28 | Morgan Stanley ✦ | 959.78K | +106.5% | $36.45M | 0.0% | ▲ Add | 4 | SEC ↗ |
| 29 | Morgan Stanley ✦ | 959.78K | +106.5% | $36.45M | 0.0% | ▲ Add | 4 | SEC ↗ |
| 30 | Dimensional Fund Advisors Lp | 725.55K | +3.2% | $27.56M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 31 | Dimensional Fund Advisors Lp | 725.55K | +3.2% | $27.56M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 32 | Dimensional Fund Advisors Lp | 725.55K | +3.2% | $27.56M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 33 | Dimensional Fund Advisors Lp | 725.55K | +3.2% | $27.56M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 34 | Dimensional Fund Advisors Lp | 725.55K | +3.2% | $27.56M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 35 | Arrowstreet Capital ✦ | 697.94K | -17.5% | $26.51M | 0.0% | ▼ Trim | 5 | SEC ↗ |
| 36 | Northern Trust Corp | 610.62K | +4.5% | $23.19M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 37 | Northern Trust Corp | 610.62K | +4.5% | $23.19M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 38 | Northern Trust Corp | 610.62K | +4.5% | $23.19M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 39 | Northern Trust Corp | 610.62K | +4.5% | $23.19M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 40 | Northern Trust Corp | 610.62K | +4.5% | $23.19M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 41 | Northern Trust Corp | 610.62K | +4.5% | $23.19M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 42 | Northern Trust Corp | 610.62K | +4.5% | $23.19M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 43 | Royal Bank Of Canada | 406.41K | -14.7% | $15.44M | 0.0% | ▼ Trim | 3 | SEC ↗ |
| 44 | Royal Bank Of Canada | 406.41K | -14.7% | $15.44M | 0.0% | ▼ Trim | 3 | SEC ↗ |
| 45 | Royal Bank Of Canada | 406.41K | -14.7% | $15.44M | 0.0% | ▼ Trim | 3 | SEC ↗ |
| 46 | Royal Bank Of Canada | 406.41K | -14.7% | $15.44M | 0.0% | ▼ Trim | 3 | SEC ↗ |
| 47 | Royal Bank Of Canada | 406.41K | -14.7% | $15.44M | 0.0% | ▼ Trim | 3 | SEC ↗ |
| 48 | Royal Bank Of Canada | 406.41K | -14.7% | $15.44M | 0.0% | ▼ Trim | 3 | SEC ↗ |
| 49 | Royal Bank Of Canada | 406.41K | -14.7% | $15.44M | 0.0% | ▼ Trim | 3 | SEC ↗ |
| 50 | Royal Bank Of Canada | 406.41K | -14.7% | $15.44M | 0.0% | ▼ Trim | 3 | SEC ↗ |
| 51 | Renaissance Technologies ✦ | 406.20K | -7.0% | $15.43M | 0.0% | ▼ Trim | 9 | SEC ↗ |
| 52 | Point72 Asset Management ✦ | 379.69K | -21.3% | $14.42M | 0.0% | ▼ Trim | 8 | SEC ↗ |
| 53 | Envestnet Asset Management Inc | 378.80K | +0.8% | $14.39M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 54 | Goldman Sachs Group ✦ | 369.29K | -8.4% | $14.03M | 0.0% | ▼ Trim | 4 | SEC ↗ |
| 55 | Goldman Sachs Group ✦ | 369.29K | -8.4% | $14.03M | 0.0% | ▼ Trim | 4 | SEC ↗ |
| 56 | Charles Schwab Investment… | 354.53K | +4.7% | $13.47M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 57 | Bank of New York Mellon Corp | 311.01K | +2.6% | $11.81M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 58 | Bank of New York Mellon Corp | 311.01K | +2.6% | $11.81M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 59 | Bank of New York Mellon Corp | 311.01K | +2.6% | $11.81M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 60 | Bank of New York Mellon Corp | 311.01K | +2.6% | $11.81M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 61 | Bank of New York Mellon Corp | 311.01K | +2.6% | $11.81M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 62 | Bank of New York Mellon Corp | 311.01K | +2.6% | $11.81M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 63 | AQR Capital Management ✦ | 295.92K | +3.8% | $11.24M | 0.0% | ▲ Add | 9 | SEC ↗ |
| 64 | AQR Capital Management ✦ | 295.92K | +3.8% | $11.24M | 0.0% | ▲ Add | 9 | SEC ↗ |
| 65 | AQR Capital Management ✦ | 295.92K | +3.8% | $11.24M | 0.0% | ▲ Add | 9 | SEC ↗ |
| 66 | AQR Capital Management ✦ | 295.92K | +3.8% | $11.24M | 0.0% | ▲ Add | 9 | SEC ↗ |
| 67 | AQR Capital Management ✦ | 295.92K | +3.8% | $11.24M | 0.0% | ▲ Add | 9 | SEC ↗ |
| 68 | AQR Capital Management ✦ | 295.92K | +3.8% | $11.24M | 0.0% | ▲ Add | 9 | SEC ↗ |
| 69 | Captrust Financial Advisors | 278.68K | +1.6% | $10.58M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 70 | Federated Hermes, Inc. | 277.69K | +3.0% | $10.55M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 71 | Federated Hermes, Inc. | 277.69K | +3.0% | $10.55M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 72 | Federated Hermes, Inc. | 277.69K | +3.0% | $10.55M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 73 | Prudential Financial Inc | 274.82K | -63.4% | $10.44M | 0.0% | ▼ Trim | 2 | SEC ↗ |
| 74 | Prudential Financial Inc | 274.82K | -63.4% | $10.44M | 0.0% | ▼ Trim | 2 | SEC ↗ |
| 75 | Russell Investments Group, Ltd. | 256.44K | +19.9% | $9.74M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 76 | Russell Investments Group, Ltd. | 256.44K | +19.9% | $9.74M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 77 | Russell Investments Group, Ltd. | 256.44K | +19.9% | $9.74M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 78 | Russell Investments Group, Ltd. | 256.44K | +19.9% | $9.74M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 79 | Russell Investments Group, Ltd. | 256.44K | +19.9% | $9.74M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 80 | Russell Investments Group, Ltd. | 256.44K | +19.9% | $9.74M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 81 | Russell Investments Group, Ltd. | 256.44K | +19.9% | $9.74M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 82 | Russell Investments Group, Ltd. | 256.44K | +19.9% | $9.74M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 83 | Russell Investments Group, Ltd. | 256.44K | +19.9% | $9.74M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 84 | Russell Investments Group, Ltd. | 256.44K | +19.9% | $9.74M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 85 | Nuveen, LLC | 255.57K | +28.3% | $9.71M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 86 | Nuveen, LLC | 255.57K | +28.3% | $9.71M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 87 | Nuveen, LLC | 255.57K | +28.3% | $9.71M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 88 | Nuveen, LLC | 255.57K | +28.3% | $9.71M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 89 | Principal Financial Group Inc | 230.02K | +2.1% | $8.74M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 90 | Principal Financial Group Inc | 230.02K | +2.1% | $8.74M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 91 | Healthcare Of Ontario Pension Plan… | 224.30K | +596.3% | $8.52M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 92 | JPMorgan Chase ✦ | 214.87K | +109.5% | $8.07M | 0.0% | ▲ Add | 4 | SEC ↗ |
| 93 | JPMorgan Chase ✦ | 214.87K | +109.5% | $8.07M | 0.0% | ▲ Add | 4 | SEC ↗ |
| 94 | JPMorgan Chase ✦ | 214.87K | +109.5% | $8.07M | 0.0% | ▲ Add | 4 | SEC ↗ |
| 95 | JPMorgan Chase ✦ | 214.87K | +109.5% | $8.07M | 0.0% | ▲ Add | 4 | SEC ↗ |
| 96 | JPMorgan Chase ✦ | 214.87K | +109.5% | $8.07M | 0.0% | ▲ Add | 4 | SEC ↗ |
| 97 | JPMorgan Chase ✦ | 214.87K | +109.5% | $8.07M | 0.0% | ▲ Add | 4 | SEC ↗ |
| 98 | JPMorgan Chase ✦ | 214.87K | +109.5% | $8.07M | 0.0% | ▲ Add | 4 | SEC ↗ |
| 99 | JPMorgan Chase ✦ | 214.87K | +109.5% | $8.07M | 0.0% | ▲ Add | 4 | SEC ↗ |
| 100 | JPMorgan Chase ✦ | 214.87K | +109.5% | $8.07M | 0.0% | ▲ Add | 4 | SEC ↗ |
“Their weight” = the position's share of that manager's reported 13F equity value — the conviction measure. ✦ = curated manager.
New buyers
| No new tracked buyers this quarter. |
Exited
| Qube Research & Technologies… | $6.56M | was 0.0% |
| Citadel Advisors | $2.75M | was 0.0% |
| Balyasny Asset Management L.P. | $1.10M | was 0.0% |
| Susquehanna International… | $760,936 | was 0.0% |
| Millennium Management | $575,015 | was 0.0% |
| Marshall Wace | $426,949 | was 0.0% |
| Mercer Global Advisors Inc… | $226,541 | was 0.0% |
| ProShare Advisors LLC | $212,155 | was 0.0% |
| Amundi | $208,963 | 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.
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: Q2 2026 ·
Methodology ·
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