Napco Security Technologies
$35.96+2.7%
+$139.5M
Net Activity
+9.22% total shares
Institutions Holding
260
Popularity Rank
#2410
Avg Weight
0.06%
Total Value
$1.4B
Market Cap
$1.3B
260 institutions currently hold NSSC, with 138 net buyers and 132 net sellers this quarter.
Institutional Moves (Q2 2026)
Neutral
Based on recent trading activity
Net Selling Institutions
132
Net Buying Institutions
138
Top 5 by Value
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Across its top 20 institutional holders, NSSC's holder base skews toward low-concentration, low-turnover investors on average (avg. concentration score 6/100, avg. turnover score 34/100).
NSSC ranks #2410 out of 37696 tracked stocks by institutional interest — one of the most closely watched names in our coverage.
NSSC is a top-conviction position for Doma Perpetual Capital Management LLC — at 5.5% of their entire disclosed 13F portfolio, it's one of their largest single bets, not just a passing allocation.
The largest dollar stake in NSSC belongs to BlackRock, Inc., but the position matters far more to Doma Perpetual Capital Management LLC, who has 5.5% of their own portfolio riding on it — a reminder that the biggest holder by size and the holder with the biggest bet aren't always the same fund.
Deprince Race & Zollo Inc has added to its NSSC position for two straight quarters, increasing it by $12.4M to reach $17.1M today.
Copeland Capital Management, LLC has trimmed its NSSC position for two straight quarters, cutting it by $5.0M while still holding $74.1M.
NSSC is up 2.7% today, and institutions have been net buyers of $139.5M this quarter — today's price move and the underlying institutional flow are pointing the same direction.
NSSC posted net income of $43.0M over the trailing twelve months, and currently trades at a P/E of 30.0.
+$226.8M
Total Buy Value
$118.6M
Total Sell Value
138
Net Buyers
132
Net Sellers
NSSC
Q2 2026
Top 5 Institutional Movers
+$63.9M
+$22.5M
-$19.1M
+$18.1M
NSSC does not currently have enough recent insider (Form 4) trading activity to compute a convergence signal against its 13F institutional flows.
13F data as of 2026-09-30 quarterly filings. Note: many large institutions file close to the 45-day post-quarter deadline, so early-quarter flow figures can shift substantially as more filings arrive.
4
Filings (90d)
$18.26M
Total Est. Value
524K shares
Planned Shares
| Filer | Filing Date | Est. Value |
|---|---|---|
| DONNA SOLOWAY | 2026-08-27 | $727K |
| RICHARD SOLOWAY | 2026-08-27 | $13.10M |
| RICHARD SOLOWAY | 2026-08-26 | $3.43M |
| DONNA SOLOWAY | 2026-08-26 | $1.01M |
Form 144 is a planned sale notice, not an executed transaction. Form 144 Tracker。
No Schedule 13D/13G filings for this ticker
1
Filings (14d)
Napco Security Technologies (NSSC), a security products maker, filed an 8-K on August 20, 2026 stating that it had issued a press release that day with results for the fourth quarter and full fiscal year ended June 30, 2026. Worth noting: the filing itself contains no numbers — the revenue and profit figures sit in the attached press release (Exhibit 99.1). There were no executive changes or other disclosures included.
View Full Filing (SEC EDGAR)630402105
The most-added stocks by 13F institutions this quarter
Institutions Holding
6,278
Total reported value
$2.2T
3254 13F institutions increased their position this quarter
Institutions Holding
6,025
Total reported value
$3.6T
3054 13F institutions increased their position this quarter
Institutions Holding
6,188
Total reported value
$1.8T
2995 13F institutions increased their position this quarter
The most widely held stocks tracked across all 13F institutions
Institutions Holding
4,949
Total reported value
$485.2B
Held by 4949 institutions — one of the most-tracked stocks on AlphaSMO
Institutions Holding
4,868
Total reported value
$1.5T
Held by 4868 institutions — one of the most-tracked stocks on AlphaSMO
Institutions Holding
4,789
Total reported value
$1.2T
Held by 4789 institutions — one of the most-tracked stocks on AlphaSMO
Access NSSC's institutional ownership data programmatically:
REST API
curl https://alphasmo.com/api/v1/market/stock/NSSCCLI
npx alphasmo stocks get NSSC