Skip to main content

NWPX

NWPX Infrastructure, Inc.

Company with tickers: NWPX

CIK
1001385
CUSIP
667746101
Shares Outstanding
9,637,008
13F Activity (30d)
143 filings 136 filers

Institutional ownership from SEC Form 13F filings. Investment managers with more than $100 million in U.S. equities must disclose their positions every quarter, within 45 days of quarter-end, so the holdings shown can lag the market by up to a quarter.

Holders: 187
Total Value: $646,732,052
Total Shares: 8,306,347
Showing 1–100 of 189 holdings by value · page 1 of 2

Institutional Ownership Trend

25 quarters

Holder Concentration

Across 187 13F filers · Δ vs Dec 31, 2025
Top Holder
8.9%
Jun 2023 → Mar 2026 · range 8.9% – 14.8%
−3.9 pts
Top 5
33.7%
Jun 2023 → Mar 2026 · range 33.7% – 48.1%
−7.6 pts
Top 10
50.8%
Jun 2023 → Mar 2026 · range 50.8% – 69.5%
−9.0 pts
HHI
351
Jun 2023 → Mar 2026 · range 351 – 648
Broadly held −133

Quarterly Activity

vs Dec 31, 2025
New
44
Increased
67
Decreased
54
Sold Out
19
Unchanged
22
Holder count: +25
Institutional value: +27.4%
Shares held: +2.2%

Top Buyers

vs Dec 31, 2025
Institution Added Now Holds Open

Top Sellers

vs Dec 31, 2025
Institution Sold Now Holds Open

Top New Positions

vs Dec 31, 2025
Institution Acquired Value (USD) Open

Top Sold-Out Positions

vs Dec 31, 2025
Institution Previously Held Last Value (USD) Open
Showing 100 of 189
Export CSV
Holder Value (USD) % of 13F Shares Open