NORTHWEST PIPE CO (NWPX) Top Institutional Shareholders
NORTHWEST PIPE CO (NWPX) is currently reported in institutional portfolios tracked by InsiderSet based on the latest available SEC Form 13F filings for the quarter ended March 31, 2026. The institutional investors covered on this page collectively reported approximately $596.81M in NWPX holdings during the latest filing period.
Blackrock, Inc. is currently the largest disclosed institutional shareholder of NWPX tracked by InsiderSet, reporting ownership valued at approximately $57.62M in its March 31, 2026 SEC Form 13F filing. Based on current market prices and the latest disclosed share count, the position is now estimated to be worth approximately $102.78M, representing an estimated gain of +78.38% since the filing period.
The top 10 institutional shareholders tracked on this page collectively account for approximately 55% of the total disclosed NWPX value among the investors covered in this analysis. Major shareholders include Blackrock, Inc., Dimensional Fund Advisors Lp, Mirae Asset Global Etfs Holdings Ltd., and several other long-term asset managers with concentrated positions in NORTHWEST PIPE CO (NWPX).
This page ranks the largest institutional NWPX shareholders using publicly disclosed SEC Form 13F data, including reported values, estimated current holding values, portfolio allocation percentages, ownership concentration metrics, and historical holding changes across major hedge funds and investment firms.
Institutional Holders
183
Total Reported Value
$596.81M
Largest Holder
Blackrock, Inc.
Largest Position
$57.62M
Insider Transactions (90d)
0
Latest Filing Quarter
Q1 2026
New Institutional Positions
181
Funds Exiting Positions
0
| Name | Investor/Manager | Portfolio % | Quantity | Reported Balance | Current Estimated Value | Gain/loss Since Filing | Estimated Portfolio Performance |
|---|---|---|---|---|---|---|---|
| Blackrock, Inc. | 0.00% | 740,023 | $57,618,191 | $102,781,794 | +$45,163,603 | +78.38% | |
| Dimensional Fund Advisors Lp | 0.01% | 688,119 | $53,575,406 | $95,572,848 | +$41,997,442 | +78.39% | |
| Mirae Asset Global Etfs Holdings Ltd. | 0.06% | 542,567 | $42,242,677 | $75,357,131 | +$33,114,454 | +78.39% | |
| Ddd Partners, Llc | 2.29% | 424,680 | $33,065,585 | $58,983,805 | +$25,918,220 | +78.38% | |
| Vanguard Capital Management Llc | 0.00% | 407,863 | $31,756,213 | $56,648,092 | +$24,891,879 | +78.38% | |
| Royce & Associates Lp | 0.31% | 404,688 | $31,509,008 | $56,207,116 | +$24,698,108 | +78.38% | |
| Geode Capital Management, Llc | 0.00% | 284,679 | $22,169,643 | $39,539,066 | +$17,369,423 | +78.35% | |
| Legal & General Group Plc | 0.00% | 263,199 | $20,492,675 | $36,555,709 | +$16,063,034 | +78.38% | |
| American Century Companies Inc | 0.01% | 244,891 | $19,067,213 | $34,012,911 | +$14,945,698 | +78.38% | |
| State Street Corp | 0.00% | 221,167 | $17,220,063 | $30,717,885 | +$13,497,822 | +78.38% | |
| Heartland Advisors Inc | 0.79% | 200,000 | $15,572,000 | $27,778,000 | +$12,206,000 | +78.38% | |
| First Wilshire Securities Management Inc | 3.11% | 177,245 | $13,800,296 | $24,617,558 | +$10,817,262 | +78.38% | |
| Jane Street Group, Llc | 0.01% | 164,845 | $12,834,832 | $22,895,322 | +$10,060,490 | +78.38% | |
| Morgan Stanley | 0.00% | 163,183 | $12,705,453 | $22,664,487 | +$9,959,034 | +78.38% | |
| Pacific Ridge Capital Partners, Llc | 1.86% | 110,144 | $8,575,812 | $15,297,900 | +$6,722,088 | +78.38% | |
| Allspring Global Investments Holdings, Llc | 0.01% | 101,954 | $7,938,138 | $14,160,391 | +$6,222,253 | +78.38% | |
| D. E. Shaw & Co., Inc. | 0.01% | 95,432 | $7,430,336 | $13,254,550 | +$5,824,214 | +78.38% | |
| Bridgeway Capital Management, Llc | 0.14% | 89,793 | $6,991,283 | $12,471,350 | +$5,480,067 | +78.38% | |
| Qube Research & Technologies Ltd | 0.01% | 87,797 | $6,835,874 | $12,194,125 | +$5,358,251 | +78.38% | |
| Northern Trust Corp | 0.00% | 87,769 | $6,833,694 | $12,190,236 | +$5,356,542 | +78.38% | |
| Lazard Asset Management Llc | 0.01% | 84,574 | $6,584,932 | $11,746,483 | +$5,161,551 | +78.38% | |
| Creative Planning | 0.00% | 82,087 | $6,391,294 | $11,401,063 | +$5,009,769 | +78.38% | |
| Goldman Sachs Group Inc | 0.00% | 75,817 | $5,903,112 | $10,530,223 | +$4,627,111 | +78.38% | |
| Vanguard Portfolio Management Llc | 0.00% | 75,438 | $5,873,603 | $10,477,584 | +$4,603,981 | +78.38% | |
| Prudential Financial Inc | 0.01% | 69,720 | $5,428,399 | $9,683,411 | +$4,255,012 | +78.38% | |
| Invesco Ltd. | 0.00% | 67,843 | $5,282,257 | $9,422,714 | +$4,140,457 | +78.38% | |
| Franklin Resources Inc | 0.00% | 66,850 | $5,204,941 | $9,284,797 | +$4,079,856 | +78.38% | |
| Uniplan Investment Counsel, Inc. | 0.51% | 63,256 | $4,925,134 | $8,785,626 | +$3,860,492 | +78.38% | |
| Millennium Management Llc | 0.00% | 62,863 | $4,894,513 | $8,731,042 | +$3,836,529 | +78.38% | |
| Two Sigma Investments, Lp | 0.00% | 62,403 | $4,858,698 | $8,667,153 | +$3,808,455 | +78.38% | |
| Vanguard Fiduciary Trust Co | 0.00% | 62,278 | $4,848,965 | $8,649,791 | +$3,800,826 | +78.38% | |
| Aqr Capital Management Llc | 0.00% | 61,033 | $4,752,029 | $8,476,873 | +$3,724,844 | +78.38% | |
| Hillsdale Investment Management Inc. | 0.13% | 59,200 | $4,609,312 | $8,222,288 | +$3,612,976 | +78.38% | |
| Panagora Asset Management Inc | 0.02% | 59,062 | $4,598,567 | $8,203,121 | +$3,604,554 | +78.38% | |
| Congruence Capital, Llc | 1.46% | 55,825 | $4,346,534 | $7,753,534 | +$3,407,000 | +78.38% | |
| Empowered Funds, Llc | 0.03% | 55,293 | $4,305,113 | $7,679,645 | +$3,374,532 | +78.38% | |
| Bank Of New York Mellon Corp | 0.00% | 53,379 | $4,156,090 | $7,413,809 | +$3,257,719 | +78.38% | |
| Zacks Investment Management | 0.03% | 48,963 | $3,812,231 | $6,800,471 | +$2,988,240 | +78.39% | |
| Arrowstreet Capital, Limited Partnership | 0.00% | 42,886 | $3,339,104 | $5,956,437 | +$2,617,333 | +78.38% | |
| Martingale Asset Management L P | 0.07% | 36,951 | $2,877,005 | $5,132,124 | +$2,255,119 | +78.38% | |
| Marshall Wace, Llp | 0.00% | 33,955 | $2,643,737 | $4,716,010 | +$2,072,273 | +78.38% | |
| Point72 Asset Management, L.P. | 0.00% | 31,523 | $2,454,381 | $4,378,229 | +$1,923,848 | +78.38% | |
| First Trust Advisors Lp | 0.00% | 30,728 | $2,392,482 | $4,267,812 | +$1,875,330 | +78.38% | |
| Ubs Group Ag | 0.00% | 30,459 | $2,371,538 | $4,230,451 | +$1,858,913 | +78.38% | |
| Russell Investments Group, Ltd. | 0.00% | 28,660 | $2,231,466 | $3,980,587 | +$1,749,121 | +78.38% | |
| Advisors Asset Management, Inc. | 0.04% | 28,269 | $2,201,024 | $3,926,281 | +$1,725,257 | +78.38% | |
| Charles Schwab Investment Management Inc | 0.00% | 27,331 | $2,127,992 | $3,796,003 | +$1,668,011 | +78.38% | |
| Allworth Financial Lp | 0.01% | 23,157 | $1,803,005 | $3,216,276 | +$1,413,271 | +78.38% | |
| Y-Intercept (Hong Kong) Ltd | 0.03% | 22,737 | $1,770,303 | $3,157,942 | +$1,387,639 | +78.38% | |
| Bank Of America Corp | 0.00% | 22,705 | $1,767,812 | $3,153,497 | +$1,385,685 | +78.38% |
Frequently asked questions about NWPX
Who owns the most NWPX stock?
The largest holders of NWPX are typically major institutional investors such as asset managers and hedge funds reporting on Form 13F. The table above ranks tracked superinvestors by reported position size using the latest available filings for NORTHWEST PIPE CO (NWPX).
Is NWPX widely held by superinvestors?
Many widely followed stocks like NWPX appear across numerous superinvestor portfolios because of liquidity, index inclusion, and fundamentals. The holder count and table above show how broadly NWPX is represented among the institutional managers we track.
What do “Current Estimated Value”, “Gain/loss Since Filing”, and “Estimated Portfolio Performance” mean?
Current Estimated Value is reported share quantity from the latest 13F times our most recent split-adjusted U.S. session close. Gain/loss Since Filing is that estimate minus the reported 13F dollar value; Estimated Portfolio Performance is that difference as a percent of the reported value. Green means the estimate is above the filing value; red means below (not purchase cost). If many filers share the same implied filing price per share, the performance % may match across rows. These are not official fund marks or live quotes.