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Tower Research Capital LLC (TRC)

Position in NPKI — NPK International Inc.

CIK 1533421 NEW YORK, NY

Position in NPKI

as of Jun 30, 2026 · filed Aug 11, 2026
Position Value
$182,614
+$81,358 QoQ
Shares Held
11,478
+64.3% QoQ
Ownership
0.014%
of shares outstanding
% of Portfolio
0.01%
of 13F equity value
Holder Rank
#193
of 256 holders
Holding Since
Jun 2020
25 quarters on record
Voting authority Sole 100% Shared 0% None 0%

Common Shares in NPKI Over Time

Shares Held

Position Value (USD)

Position in Building Products & Equipment

Industrials · as of Jun 30, 2026

Tower Research Capital LLC (TRC) holds $13,738,627 across 35 Building Products & Equipment names. NPKI ranks #15 (1.3% of the industry book) .

# Ticker Company Shares Value (USD) Open

All Filings in NPKI

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25 filing rows on record
Report Date Value (USD) Shares
2026-06-30 $182,614 11,478
2026-03-31 $101,256 6,988
2025-12-31 $44,580 3,740
2025-09-30 $48,825 4,317
2025-06-30 $98,018 11,518
2025-03-31 $22,298 3,838
2024-12-31 $77,335 10,083
2024-09-30 $237,102 34,214
2024-06-30 $157,440 18,946
2024-03-31 $12,288 1,702
2023-12-31 $134,778 20,298
2023-09-30 $14,835 2,147
2023-06-30 $11,332 2,167
2023-03-31 $17,028 4,423
2022-12-31 $76,782 18,502
2022-09-30 $12,690 5,036
2022-06-30 $82,202 26,603
2022-03-31 $4,413 1,206
2021-12-31 $13,741 4,674
2021-09-30 $17,225 5,220
2021-06-30 $18,355 5,305
2021-03-31 $56,887 18,117
2020-12-31 $92,363 48,106
2020-09-30 $140,301 133,621
2020-06-30 $56,829 25,484