NWPX Infrastructure, Inc. (NWPX) Ownership

NASDAQ: NWPXTop holders, insider trades and short interest.

NWPX ownership summary

as of October 18, 2026
Institutions
91.8%
of shares outstanding
Insiders
2.64%
of shares outstanding
Shares outstanding
9.6M
Float
9.4M
shares available to trade
Short interest
8.99%
742K shares short
Days to cover
5.02
short interest up 2.2% vs prior month
  • Institutions 91.84%
  • Insiders 2.64%
  • Other investors 5.52%

NWPX top institutional holders

20 largest
NWPX Infrastructure, Inc. top institutional holders
#Holder% of sharesSharesValueChangeReported
1BlackRock Inc9.37%903K$88.1M+162,770 (+22.0%)June 30, 2026
2Dimensional Fund Advisors, Inc.6.59%635K$62.0M−52,857 (−7.7%)June 30, 2026
3MIRAE ASSET GLOBAL ETFS HOLDINGS Ltd.6.10%588K$57.4M+45,530 (+8.4%)June 30, 2026
4Vanguard Capital Management, LLC4.27%411K$40.1M+3,379 (+0.8%)June 30, 2026
5American Century Companies Inc4.11%396K$38.7M+151,340 (+61.8%)June 30, 2026
6Geode Capital Management, LLC3.09%298K$29.1M+13,369 (+4.7%)June 30, 2026
7Royce & Associates, LP3.01%290K$28.3M−114,961 (−28.4%)June 30, 2026
8Legal & General Group PLC2.96%285K$27.8M+21,923 (+8.3%)June 30, 2026
9DDD Partners, LLC2.59%250K$24.4M−175,160 (−41.2%)June 30, 2026
10State Street Corp2.33%225K$21.9M+3,610 (+1.6%)June 30, 2026
11LSV Asset Management1.85%178K$17.4M−7,127 (−3.8%)June 30, 2026
12Morgan Stanley - Brokerage Accounts1.80%174K$17.0M+10,766 (+6.6%)June 30, 2026
13Amvescap Plc.1.59%153K$15.0M+85,569 (+126.1%)June 30, 2026
14Jane Street Group LLC1.58%153K$14.9M−12,131 (−7.4%)June 30, 2026
15First Wilshire Securities Mgmt Inc (CA)1.57%151K$14.7M−26,168 (−14.8%)June 30, 2026
16Heartland Advisors Inc1.45%140K$13.7M−60,000 (−30.0%)June 30, 2026
17Vanguard Portfolio Management, LLC1.37%132K$12.9M+56,805 (+75.3%)June 30, 2026
18Barrow Hanley Mewhinney & Strauss LLC1.15%111K$10.8M+111,107 (0.0%)June 30, 2026
19Two Sigma Investments LLC1.13%109K$10.6M+46,603 (+74.7%)June 30, 2026
20Hillsdale Investment Management Inc.1.03%99K$9.7M+40,090 (+67.7%)June 30, 2026

Value at the latest close. Change = shares bought or sold in the latest quarterly filing (13F). In the top 20, 13 holders added 753K shares and 7 cut 448K.

NWPX top mutual fund and ETF holders

20 largest
NWPX Infrastructure, Inc. top fund holders
#Holder% of sharesSharesValueChangeReported
1Avantis US Small Cap Value ETF4.81%463K$45.2M—September 30, 2026
2Global X US Infrastructure Dev ETF3.43%331K$32.3M+2,340 (+0.7%)September 30, 2026
3Vanguard MStar Total Stk Mkt Idx Invest3.03%292K$28.5M—August 31, 2026
4iShares Russell 2000 ETF2.57%248K$24.2M−2,880 (−1.2%)September 30, 2026
5Heartland Value Investor1.35%130K$12.7M—September 30, 2026
6L&G Clean Water ETF1.19%114K$11.2M+1,302 (+1.2%)September 30, 2026
7Fidelity Small Cap Index1.09%105K$10.2M+1,108 (+1.1%)July 31, 2026
8Invesco Water Resources ETF1.00%97K$9.4M—September 30, 2026
9DFA US Small Cap Value I0.99%96K$9.3M−23,392 (−19.7%)August 31, 2026
10DFA US Targeted Value I0.84%81K$7.9M—August 31, 2026
11iShares Russell 2000 Growth ETF0.80%77K$7.5M−97 (−0.1%)September 30, 2026
12American Beacon Small Cp Val R50.80%77K$7.5M+6,318 (+9.0%)August 31, 2026
13Invesco Building & Construction ETF0.77%75K$7.3M—September 30, 2026
14Royce Micro-Cap Trust0.76%73K$7.1M−15,554 (−17.6%)September 30, 2026
15iShares Global Water ETF USD Dist0.75%72K$7.0M—September 30, 2026
16Dimensional US Targeted Value ETF0.73%70K$6.9M+6 (+0.0%)September 30, 2026
17Indosuez Funds America Small&Mid Caps G0.65%63K$6.1M—August 31, 2026
18Lazard Baylight US Sm Cap Eq WW Dist EUR0.63%61K$5.9M−1,105 (−1.8%)September 30, 2026
19DFA US Small Cap I0.60%57K$5.6M—August 31, 2026
20Vanguard Russell 2000 ETF0.58%56K$5.4M+659 (+1.2%)September 30, 2026

Funds report holdings monthly or quarterly; dates differ by fund.

NWPX insider transactions

latest 17
NWPX Infrastructure, Inc. insider transactions
DateNameTransactionPriceSharesValue
2026-03-20Miles BrittainSell$70.893,300$233,937
2026-03-16Amanda JulianSell$71.983,473$249,987
2026-03-16Scott J MontrossSell$71.442,500$178,600
2026-03-12Miles BrittainSell$71.014,000$284,040
2026-03-09Scott J MontrossSell$72.322,500$180,800
2026-03-04Megan A KendrickSell$80.594,500$362,655
2025-12-15Aaron WilkinsSell$63.5035$2,222
2025-12-09Michael C FransonSell$60.175,506$331,296
2025-12-09Aaron WilkinsSell$60.101,241$74,584
2025-12-08Aaron WilkinsSell$59.905,009$300,039
2025-11-24Miles BrittainSell$56.414,000$225,640
2025-11-14Miles BrittainSell$56.764,000$227,040
2025-11-11Scott J MontrossSell$57.278,210$470,187
2025-09-02Aaron WilkinsSell$52.242,000$104,480
2025-08-29Aaron WilkinsSell$54.02500$27,010
2025-08-22Aaron WilkinsSell$50.892,500$127,225
2025-08-11Megan A KendrickSell$50.003,500$175,000

Reported trades by company officers, directors and other filers (including disclosures by members of Congress where EODHD lists them). "—" where the filing gives no share count.

NWPX shares outstanding

Shares outstanding

Year-end shares outstanding, adjusted for splits.

Who owns NWPX

Institutional investors own 91.8% of NWPX Infrastructure's shares and insiders 2.64%. The largest holder is BlackRock Inc with 9.37% of the shares (903K), as of June 30, 2026. Among the top 20 institutions, 13 added shares and 7 reduced their stake in the latest filings. Short interest is 8.99% of the float, or 5.02 days of average trading volume. The share count rose 3.0% since 2014.

Related: NWPX analyst forecast, NWPX key metrics. See the NWPX stock overview for the latest quote and news.

NWPX ownership FAQ

Who owns the most NWPX Infrastructure stock?

The largest shareholders of NWPX Infrastructure are BlackRock Inc (9.37%), Dimensional Fund Advisors, Inc. (6.59%), MIRAE ASSET GLOBAL ETFS HOLDINGS Ltd. (6.10%), Vanguard Capital Management, LLC (4.27%), American Century Companies Inc (4.11%).

What percentage of NWPX Infrastructure is owned by institutions?

Institutions hold 91.8% of NWPX Infrastructure's shares outstanding; insiders hold 2.64%.

Which funds own NWPX Infrastructure?

The largest fund holders of NWPX Infrastructure are Avantis US Small Cap Value ETF (4.81%), Global X US Infrastructure Dev ETF (3.43%), Vanguard MStar Total Stk Mkt Idx Invest (3.03%), iShares Russell 2000 ETF (2.57%), Heartland Value Investor (1.35%).

What is NWPX Infrastructure's short interest?

742K shares of NWPX Infrastructure were sold short, 8.99% of the float; at the average daily volume it would take 5.02 days to cover.

Are insiders buying or selling NWPX Infrastructure?

Of the latest 17 reported insider transactions in NWPX Infrastructure (since August 11, 2025), 0 were purchases and 17 were sales.

How many shares of NWPX Infrastructure are outstanding?

NWPX Infrastructure has 9.6M shares outstanding, of which 9.4M are in the public float.

Steel: ownership