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Of the 13 tracked institutions holding NSSC, 5 have a 3-year clone track record — 4 of them beat the S&P. Average holder's clone alpha: +3.2pt. It's a gauge of who owns the name, not just how many.
Among the 13 tracked institutional investors we monitor, NSSC (NAPCO SEC TECHNOLOGIES INC) is held with a combined value of $502.67M across 12,944,474 shares. The largest holder is BlackRock, Inc. with a position worth $213.93M. 8 funds increased their holdings. 5 funds reduced their position.
Total Institutional Value
$502.67M
Total Shares Held
12,944,474
Institutional Holders
13
Ranked by estimated dollars moved (share change × implied price). 13F data lags up to 45 days.
| # | Fund | Value↓ | Portfolio % | Change |
|---|---|---|---|---|
| 1 | BlackRock, Inc. | $213.93M | 0.00% | -0.9% |
| 2 | VANGUARD GROUP INC | $120.18M | 0.00% | +1.1% |
| 3 | STATE STREET CORP | $57.37M | 0.00% | +5.1% |
| 4 | WELLINGTON MANAGEMENT GROUP LLP | $41.86M | 0.01% | +18.6% |
| 5 | Fundsmith LLP | $23.05M | 0.17% | +58.2% |
| 6 | RENAISSANCE TECHNOLOGIES LLC | $15.43M | 0.02% | -7.0% |
| 7 | Point72 Asset Management, L.P. | $14.42M | 0.02% | -21.3% |
| 8 | AQR CAPITAL MANAGEMENT LLC | $11.24M | 0.00% | +3.8% |
| 9 | Gotham Asset Management, LLC | $1.50M | 0.00% | -14.4% |
| 10 | PRICE T ROWE ASSOCIATES INC /MD/ | $1.29M | 0.00% | +9.6% |
As of the latest SEC 13F filings, BlackRock, Inc. is the largest institutional holder of NSSC with a position worth $213.93M, representing 0.00% of their portfolio. In total, 13 institutional investors hold NSSC with a combined value of $502.67M.
Institutional investors hold $502.67M worth of NSSC stock across 13 positions. The largest institutional holder is BlackRock, Inc. with $213.93M in holdings.
A 13F filing is a quarterly report required by the SEC from institutional investment managers with over $100 million in assets. It discloses their holdings in U.S. equities. For NSSC, these filings reveal which major funds are accumulating or reducing positions, providing insights into institutional sentiment.
Get notified when hedge funds change their NSSC positions.
Alpha = the manager's 3-year clone return minus the S&P 500. A skilled roster is a stronger tell than a crowded one — though even skilled managers' edge doesn't reliably survive the 13F disclosure lag. Why →
| 2026-07-31 |
SEC Schedule 13D (activist) and 13G (passive) filings for NSSC. Filed when an investor acquires 5%+ ownership.
Last Close
$38.09
2026-08-21
YTD
-8.0%
46% of 52-week range
