NSSC (NAPCO SECURITY TECHNOLOGIES, INC) historical data

STOCKListed

SymbolNSSC
NameNAPCO SECURITY TECHNOLOGIES, INC
History2004-02-25 to 2026-10-07 (about 22 years)
Bar sizesDaily, hourly, 5-minute and 1-minute
AdjustmentsUnadjusted, split-adjusted or split-and-dividend-adjusted, chosen on read
SurvivorshipIncluded in the survivorship-free universe
Free tierLast 12 months of daily bars

Institutional ownership (13F, 2026Q2)

Managers holding258
Shares held36,154,504 ($1.4bn reported value)
Quarter flows30 new, 107 added, 90 trimmed, 43 exited; +1,478,686 shares vs the prior quarter

From SEC Form 13F filings. Every holder, line by line, and the full history since 2013: yf.Client().holders("NSSC") on the look-back bundles. All 13F managers

Get it in Python

import finzdata as yf
df = yf.Ticker("NSSC").history(start="2004-02-25", interval="1d")
df.tail()

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