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GW&K Investment Management, LLC

Position in NSSC — Napco Security Technologies, Inc

CIK 1082917 BOSTON, MA

Position in NSSC

as of Jun 30, 2026 · filed Aug 12, 2026
Position Value
$1,029,903
-$18,383 QoQ
Shares Held
27,117
+1.9% QoQ
Ownership
0.076%
of shares outstanding
% of Portfolio
0.01%
of 13F equity value
Holder Rank
#106
of 258 holders
Holding Since
Mar 2020
26 quarters on record
Voting authority Sole 100% Shared 0% None 0%

Common Shares in NSSC Over Time

Shares Held

Position Value (USD)

Position in Security & Protection Services

Industrials · as of Jun 30, 2026

GW&K Investment Management, LLC holds $55,262,133 across 2 Security & Protection Services names. NSSC ranks #2 (1.9% of the industry book) .

# Ticker Company Shares Value (USD) Open
2 NSSC
Napco Security Technologies, Inc
This page
27,117 $1,029,903

All Filings in NSSC

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26 filing rows on record
Report Date Value (USD) Shares
2026-06-30 $1,029,903 27,117
2026-03-31 $1,048,286 26,613
2025-12-31 $1,265,928 30,358
2025-09-30 $1,303,876 30,358
2025-06-30 $905,188 30,488
2025-03-31 $10,199,218 443,059
2024-12-31 $15,832,805 445,242
2024-09-30 $18,064,014 446,466
2024-06-30 $42,485,593 817,817
2024-03-31 $37,502,211 933,820
2023-12-31 $39,369,484 1,149,474
2023-09-30 $24,682,103 1,109,308
2023-06-30 $34,884,060 1,006,755
2023-03-31 $38,854,149 1,033,905
2022-12-31 $29,686,698 1,080,302
2022-09-30 $25,358,341 872,020
2022-06-30 $20,944,045 1,017,195
2022-03-31 $21,393,823 1,042,584
2021-12-31 $26,347,906 527,169
2021-09-30 $26,905,570 624,549
2021-06-30 $22,661,128 623,072
2021-03-31 $20,009,556 574,492
2020-12-31 $14,728,796 561,739
2020-09-30 $11,928,224 507,584
2020-06-30 $4,194,552 179,331
2020-03-31 $2,538,411 167,331