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Joel Greenblatt's Napco Security Technologies, Inc. (NSSC) position

Yes: as of Q1 2026, Joel Greenblatt holds 46K shares of NSSC worth $1.8M (0.0% of the disclosed portfolio). Last quarter the position was increased by 124.8%. First disclosed Q2 2023.
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Current value
$1.8M
Shares held
46K
% of portfolio
0.0%
Est. average buy price (i)
$35.74
est. since Q1 2025
Quarter-end price
$39.39

Estimated trade prices

Average price in quarters with purchases
$37.98
Average prices in quarters with sales
  • Q4 2025: $42.07 (48 shares sold)
  • Q3 2025: $34.65 (7K shares sold)
  • Q4 2024: $38.37 (15K shares sold)
  • Q2 2024: $45.78 (3K shares sold)
  • Q1 2024: $39.25 (1K shares sold)

NSSC price vs Greenblatt's position

1Y 3Y 5Y MAX
Dates
$10$20$40$6020222023202420252026New position of 8K shares · Q2 2023. Average closing price $34.92 · Price range $26.77–$40.238KsharespurchasedAdded 8K shares (42.6%) · Q4 2023. Average closing price $26.52 · Price range $18.37–$35.258KsharespurchasedSold 1K shares (4.6%) · Q1 2024. Average closing price $39.25 · Price range $32.36–$46.111KsharessoldSold 3K shares (13.2%) · Q2 2024. Average closing price $45.78 · Price range $38.77–$53.003KsharessoldAdded 6K shares (27.0%) · Q3 2024. Average closing price $49.01 · Price range $34.23–$58.006KsharespurchasedSold 15K shares (51.6%) · Q4 2024. Average closing price $38.37 · Price range $34.51–$42.1715KsharessoldAdded 4K shares (17.5%) · Q2 2025. Average closing price $25.73 · Price range $19.82–$29.824KsharespurchasedSold 7K shares (25.4%) · Q3 2025. Average closing price $34.65 · Price range $29.42–$43.667KsharessoldSold 48 shares (0.2%) · Q4 2025. Average closing price $42.07 · Price range $37.81–$44.4048sharessoldAdded 26K shares (124.8%) · Q1 2026. Average closing price $41.96 · Price range $36.89–$47.2326Ksharespurchased
Average closing price · filing quarter
$41.96
Price range · filing quarter
$36.89 – $47.23
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Every quarterly change

Quarter Action Shares change Est. value change Δ Own Shares held Filing date
Q1 2026 Added +26K +$1.1M +124.8% 46K May 15, 2026
Q4 2025 Reduced −48 −$2K −0.2% 20K Feb 17, 2026
Q3 2025 Reduced −7K −$242K −25.4% 21K Nov 14, 2025
Q2 2025 Added +4K +$106K +17.5% 28K Aug 14, 2025
Q1 2025 First covered – – – 23K May 15, 2025
Q4 2024 Reduced −15K −$563K −51.6% 14K Feb 14, 2025
Q3 2024 Added +6K +$296K +27.0% 28K Nov 14, 2024
Q2 2024 Reduced −3K −$156K −13.2% 22K Aug 14, 2024
Q1 2024 Reduced −1K −$48K −4.6% 26K May 15, 2024
Q4 2023 Added +8K +$214K +42.6% 27K Feb 14, 2024
Q3 2023 First covered – – – 19K Nov 14, 2023
Q2 2023 New +8K +$294K – 8K Aug 14, 2023
Data through Q1 2026 · filed May 15, 2026
12 grouped rows from 12 quarters

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Common questions

Does Joel Greenblatt own NSSC?

Yes. As of Q1 2026, Joel Greenblatt disclosed 46K shares of NSSC, worth $1.8M. All figures come from SEC 13F filings for Q1 2026, the latest disclosed quarter.

When did Joel Greenblatt buy NSSC?

Joel Greenblatt first disclosed a NSSC position in Q2 2023; every quarterly buy and sell since is in the table above. All figures come from SEC 13F filings for Q1 2026, the latest disclosed quarter.

Did Joel Greenblatt sell NSSC?

The quarter-by-quarter table above shows each sale and reduction Joel Greenblatt disclosed in NSSC. All figures come from SEC 13F filings for Q1 2026, the latest disclosed quarter.

How many shares of NSSC does Joel Greenblatt own?

Joel Greenblatt disclosed 46K shares of NSSC as of Q1 2026. All figures come from SEC 13F filings for Q1 2026, the latest disclosed quarter.

What price did Joel Greenblatt pay for NSSC?

Joel Greenblatt began building the NSSC position before our 13F history starts, so an exact average buy price cannot be estimated without understating it. All figures come from SEC 13F filings for Q1 2026, the latest disclosed quarter.

How are the estimated trade prices calculated?

13F filings disclose quarter-end holdings, not trade dates or execution prices. These estimates use each covered quarter's average market price; the add average excludes the opening position and quarters without price data. All figures come from SEC 13F filings for Q1 2026, the latest disclosed quarter.