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VANGUARD PORTFOLIO MANAGEMENT LLC

Position in NPKI — NPK International Inc.

CIK 2100121 MALVERN, PA

Position in NPKI

as of Jun 30, 2026 · filed Aug 13, 2026
Position Value
$15,570,464
+$3,087,808 QoQ
Shares Held
978,659
+13.6% QoQ
Ownership
1.15%
of shares outstanding
% of Portfolio
0.00%
of 13F equity value
Holder Rank
#26
of 255 holders
Holding Since
Mar 2026
2 quarters on record
Voting authority Sole 0% Shared 0% None 100%

Common Shares in NPKI Over Time

Shares Held

Position Value (USD)

Position in Building Products & Equipment

Industrials · as of Jun 30, 2026

VANGUARD PORTFOLIO MANAGEMENT LLC holds $14,545,937,619 across 28 Building Products & Equipment names. NPKI ranks #23 (0.1% of the industry book) .

# Ticker Company Shares Value (USD) Open

All Filings in NPKI

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2 filing rows on record
Report Date Value (USD) Shares
2026-06-30 $15,570,464 978,659
2026-03-31 $12,482,656 861,467