2m 2m 2m 2m 2m 2m 2m
NAPCO Sec Tech (NSSC)
NASDAQ
$37.53+$0.03 (+0.08%)
Price as of Jun 23, 2026 4:10 PM EDT- $1.3BMarket Cap
- 37.88%1-Year Change
- Security & Protection ServicesIndustry
NAPCO Sec Tech (NSSC)
$37.53+$0.03 (+0.08%)
Top Holders
Institutional
Mutual Funds
Holder | Ownership %
| Shares Held | Change (Shares, %) | Report Date |
|---|---|---|---|---|
BLACKROCK, INC. | 15.90% | 5.7M | +2.5M (+43.25%) | Mar 31, 2026 |
BLACKROCK FUNDING, INC. /DE | 8.87% | 3.2M | -116,418 (-3.67%) | Dec 31, 2024 |
VANGUARD GROUP INC | 8.07% | 2.9M | +31,644 (+1.10%) | Dec 31, 2025 |
BLACKROCK INC. | 7.59% | 2.7M | +265,845 (+9.81%) | Jun 30, 2024 |
COPELAND CAPITAL MANAGEMENT, LLC | 5.62% | 2.0M | +588,297 (+29.28%) | Mar 31, 2026 |
N/A | 4.21% | 1.5M | +1.5M (+100.00%) | Mar 31, 2026 |
STATE STREET CORP | 4.01% | 1.4M | +535,188 (+37.39%) | Mar 31, 2026 |
Holder | Ownership %
| Shares Held | Change (Shares, %) | Report Date |
|---|---|---|---|---|
iSHARES TRUST | 10.25% | 3.7M | +2.4M (+65.88%) | Mar 31, 2026 |
VANGUARD INDEX FUNDS | 4.11% | 1.5M | +13,887 (+0.95%) | Mar 31, 2026 |
VANGUARD WORLD FUND | 2.50% | 894,927 | +21,947 (+2.45%) | Feb 28, 2026 |
JANUS INVESTMENT FUND | 1.85% | 660,096 | -190,384 (-28.84%) | Mar 31, 2026 |
T. Rowe Price Small-Cap Stock Fund, Inc. | 1.78% | 634,641 | 0 (0.00%) | Mar 31, 2026 |
SPDR SERIES TRUST | 1.76% | 629,569 | +524,798 (+83.36%) | Mar 31, 2026 |
FIRST TRUST EXCHANGE-TRADED FUND VI | 1.61% | 576,195 | +22,481 (+3.90%) | Mar 31, 2026 |
Current Ownership Distribution
- Institutions529.7M (79.49%)
- Mutual Funds134.2M (20.14%)
- Insiders2.5M (0.37%)
- Other0 (0.00%)
Insider Transactions
- 0.37% (2.5M)Current InsiderOwnership (%, shares)
- 0Number of InsiderBuying (last 12 months)
- $0.00Amount of InsiderBuying (last 12 months)
- 2Number of InsiderSelling (last 12 months)
- $48.0MAmount of InsiderSelling (last 12 months)
Insider Name & Title | Type | Date
| Transaction Value | Shares | Share Price | Shares After Transactions |
|---|---|---|---|---|---|---|
Spinelli Stephen M Senior Vice President of Sales | Exempt | Mar 17, 2026 | $139,999.44 | 13,972 | $10.02 | 9,980 |
Spinelli Stephen M Senior Vice President of Sales | Exempt | Mar 17, 2026 | $139,999.44 | 13,972 | $10.02 | 14,900 |
Spinelli Stephen M Senior Vice President of Sales | In Kind | Mar 17, 2026 | $140,011.08 | 3,212 | $43.59 | 11,688 |
CARRIERI MICHAEL Executive VP of Engineering | Exempt | Feb 26, 2026 | $224,950.00 | 10,000 | $22.50 | 0 |
CARRIERI MICHAEL Executive VP of Engineering | Exempt | Feb 26, 2026 | $224,950.00 | 10,000 | $22.50 | 33,261 |
CARRIERI MICHAEL Executive VP of Engineering | In Kind | Feb 26, 2026 | $314,126.73 | 6,651 | $47.23 | 26,610 |
BUCHEL KEVIN S President & COO | Exempt | Feb 19, 2026 | $1.1M | 50,000 | $22.50 | 47,584 |
BUCHEL KEVIN S President & COO | Exempt | Feb 19, 2026 | $1.1M | 50,000 | $22.50 | 112,739 |
BUCHEL KEVIN S President & COO | In Kind | Feb 19, 2026 | $1.5M | 33,560 | $44.98 | 79,179 |
SOLOWAY RICHARD CEO, Chairman of Board, Secy | Exempt | Feb 10, 2026 | $2.2M | 100,000 | $22.50 | 0 |
SOLOWAY RICHARD CEO, Chairman of Board, Secy | Exempt | Feb 10, 2026 | $215,520.00 | 8,000 | $26.94 | 2,000 |
SOLOWAY RICHARD CEO, Chairman of Board, Secy | Exempt | Feb 10, 2026 | $2.2M | 100,000 | $22.50 | 1.4M |
SOLOWAY RICHARD CEO, Chairman of Board, Secy | In Kind | Feb 10, 2026 | $3.2M | 74,878 | $42.63 | 1.3M |
SOLOWAY RICHARD CEO, Chairman of Board, Secy | Exempt | Feb 10, 2026 | $215,520.00 | 8,000 | $26.94 | 1.3M |
SOLOWAY RICHARD CEO, Chairman of Board, Secy | In Kind | Feb 10, 2026 | $305,827.62 | 7,174 | $42.63 | 1.3M |
SOLOWAY RICHARD CEO, Chairman of Board, Secy | Sell | Feb 05, 2026 | $6.4M | 150,000 | $42.74 | 1.3M |
Spinelli Stephen M Senior Vice president of Sales | Sell | Nov 17, 2025 | $764,750.00 | 19,000 | $40.25 | 928 |
BEEBER PAUL STEPHEN | Exempt | Sep 12, 2024 | $0.00 | 3,000 | $0.00 | 2,000 |
BEEBER PAUL STEPHEN | Exempt | Sep 12, 2024 | $80,820.00 | 3,000 | $26.94 | 5,540 |
BEEBER PAUL STEPHEN | In Kind | Sep 12, 2024 | $80,834.58 | 2,151 | $37.58 | 3,389 |
BEEBER PAUL STEPHEN | Sell | Sep 12, 2024 | $26,280.96 | 708 | $37.12 | 2,681 |