NSSC
Napco Security Technologies, Inc. · Industrials · Security & Protection Services
All ownership figures: tracked 13F managers only, common-stock positions, reporting period Q2 2024
| Quarter | Holders | Δ | Shares | Reported value | New | Exits |
|---|---|---|---|---|---|---|
| Q2 2026 | 88 | -5 | 23.42M | $889.65M | +4 | −10 |
| 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 | — | — |
| # | Manager | Shares | Δ shares | Value | Their weight | Held | ||
|---|---|---|---|---|---|---|---|---|
| 1 | Geode Capital Management ✦ (passive) | 838.73K | — | $43.58M | 0.0% | n/c | 1 | SEC ↗ ×2 |
| 2 | Wellington Management ✦ | 676.65K | — | $35.15M | 0.0% | n/c | 1 | SEC ↗ ×6 |
| 3 | Renaissance Technologies ✦ | 244.40K | — | $12.70M | 0.0% | n/c | 1 | SEC ↗ |
| 4 | GAMCO Investors ✦ | 198.00K | — | $10.29M | 0.1% | n/c | 1 | SEC ↗ |
| 5 | AQR Capital Management ✦ | 138.79K | — | $7.21M | 0.0% | n/c | 1 | SEC ↗ ×3 |
| 6 | Millennium Management ✦ | 67.97K | — | $3.53M | 0.0% | n/c | 1 | SEC ↗ |
| 7 | Citadel Advisors ✦ | 58.76K | — | $3.05M | 0.0% | n/c | 1 | SEC ↗ ×2 |
| 8 | Norges Bank ✦ (passive) | 40.30K | — | $2.09M | 0.0% | n/c | 1 | SEC ↗ |
| 9 | Marshall Wace ✦ | 36.66K | — | $1.90M | 0.0% | n/c | 1 | SEC ↗ ×2 |
| 10 | Gotham Asset Management ✦ | 22.36K | — | $1.16M | 0.0% | n/c | 1 | SEC ↗ |
| 11 | T. Rowe Price ✦ | 16.60K | — | $863,000 | 0.0% | n/c | 1 | SEC ↗ |
| 12 | Two Sigma Investments ✦ | 7.01K | — | $363,962 | 0.0% | n/c | 1 | 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
| No tracked exits this quarter. |
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.
What else this security's tracked holders most often hold — shared-ownership counts, not fundamental relationships.
Open-market purchases (P)
No open-market insider purchases in our coverage window.
Open-market sales (S)
Officer, Director · 379.53K sh · $13.09M
Director · 20.96K sh · $725,704
Officer, Director · 95.47K sh · $3.43M
Director · 28.00K sh · $1.01M
Awards, exercises and tax withholding are never counted as buys or sales here. Methodology