NSSC
Napco Security Technologies, Inc. · Industrials · Security & Protection Services
Momentum inputs (comparable managers):
holder breadth +8.3% ·
share flow +30.0% ·
net new positions +7.7%
· formula
Broad accumulation: rising shares across more holders
All ownership figures: tracked 13F managers only, common-stock positions, reporting period Q4 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 | 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 |
| # | Manager | Shares | Δ shares | Value | Their weight | Held | ||
|---|---|---|---|---|---|---|---|---|
| 1 | Geode Capital Management ✦ (passive) | 1.01M | +5.4% | $35.95M | 0.0% | ▲ Add | 3 | SEC ↗ ×2 |
| 2 | State Street Global Advisors ✦ (passive) | 826.55K | n/a | $29.49M | 0.0% | n/c | 1 | SEC ↗ |
| 3 | Point72 Asset Management ✦ | 638.17K | +1221.7% | $22.69M | 0.1% | ▲ Add | 2 | SEC ↗ |
| 4 | Millennium Management ✦ | 474.03K | +16.0% | $16.86M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 5 | Marshall Wace ✦ | 322.29K | +122.9% | $11.46M | 0.0% | ▲ Add | 3 | SEC ↗ ×3 |
| 6 | Wellington Management ✦ | 293.22K | New | $10.43M | 0.0% | New | 1 | SEC ↗ |
| 7 | Renaissance Technologies ✦ | 277.30K | +12.6% | $9.86M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 8 | GAMCO Investors ✦ | 198.00K | 0.0% | $7.04M | 0.1% | Held | 3 | SEC ↗ |
| 9 | AQR Capital Management ✦ | 168.17K | -19.9% | $5.98M | 0.0% | ▼ Trim | 3 | SEC ↗ ×3 |
| 10 | Arrowstreet Capital ✦ | 57.21K | +128.6% | $2.03M | 0.0% | ▲ Add | 2 | SEC ↗ |
| 11 | Citadel Advisors ✦ | 52.28K | +468.5% | $1.86M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 12 | T. Rowe Price ✦ | 19.03K | +12.5% | $677,000 | 0.0% | ▲ Add | 3 | SEC ↗ |
| 13 | Gotham Asset Management ✦ | 13.73K | -51.6% | $488,097 | 0.0% | ▼ Trim | 3 | SEC ↗ |
“Their weight” = the position's share of that manager's reported 13F equity value: the conviction measure. ✦ = curated manager.
New buyers
| Wellington Management | $10.43M | 0.0% |
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