Foster L B FSTR Institutional Ownership

Updated Oct 10, 2026

Foster L B Co (NASDAQ:FSTR) was held by 134 institutional investors that filed 13F reports for the quarter ended June 30, 2026.

• Together they owned 79.33% of the outstanding stock in Q2 2026, up from 77.49% a quarter earlier.
• Total shares held in Foster L B rose 2.87% from Q1 2026, while the number of holders rose 48.89% from Q2 2025.
• Looking at the 134 holders of FSTR individually, 83 added to their positions, 31 reduced their stakes and 20 left their positions unchanged.
• Altogether, institutional holders owned 8.23Mn FSTR shares at the end of Q2 2026, up 229.5K from the prior quarter and up 217.23K from a year earlier.
• As of June 30, 2026, Brandes Investment Partners, LP held the largest stake in Foster L B with 1.43Mn shares, or 13.79% of shares outstanding.
• The biggest increases in FSTR positions during Q2 2026 came from Hillsdale Investment Management Inc. (+205.45K shares), Acadian Asset Management LLC (+137.69K shares), American Century Companies Inc (+112.55K shares), Arrowstreet Capital, Limited Partnership (+49.62K shares) and BlackRock, Inc. (+40.37K shares).
• Among holders that kept a stake in Foster L B, the biggest sellers in Q2 2026 were Brandes Investment Partners, LP (-50.48K shares), Hotchkis & Wiley Capital Management LLC (-44.94K shares), Dimensional Fund Advisors LP (-16.39K shares), Minerva Advisors LLC (-16.04K shares) and Gamco Investors, Inc. (-16K shares).
• Per Business Quant, the top 10 investors in FSTR for the quarter ended June 30, 2026 were Brandes Investment Partners, LP (1.43Mn shares), Gamco Investors, Inc. (885.44K shares), BlackRock, Inc. (743.23K shares), Dimensional Fund Advisors LP (677.1K shares), Vanguard Capital Management LLC (422.98K shares), Renaissance Technologies LLC (356.35K shares), Acadian Asset Management LLC (268K shares), Geode Capital Management, LLC (246.46K shares), Hillsdale Investment Management Inc. (218.15K shares) and American Century Companies Inc (196.12K shares).