110 institutions reported holding $223.2M of FOSTER L B CO (FSTR) in SEC 13F filings for 2026-03-31. Largest institutional holders: BRANDES INVESTMENT PARTNERS, LP ($41.3M), 22NW, LP ($29.8M), GAMCO INVESTORS, INC. ET AL ($25.2M), BlackRock, Inc. ($19.6M), DIMENSIONAL FUND ADVISORS LP ($19.3M). Source: SEC Form 13F.
| Rank | Institution | Value | Shares | Change |
|---|---|---|---|---|
| 1 | BRANDES INVESTMENT PARTNERS, LP | $41.3M | 1.5M | Added |
| 2 | 22NW, LP | $29.8M | 1.1M | Trimmed |
| 3 | GAMCO INVESTORS, INC. ET AL | $25.2M | 901,439 | Trimmed |
| 4 | BlackRock, Inc. | $19.6M | 702,862 | Trimmed |
| 5 | DIMENSIONAL FUND ADVISORS LP | $19.3M | 693,492 | Trimmed |
| 6 | VANGUARD CAPITAL MANAGEMENT LLC | $10.7M | 384,784 | New |
| 7 | RENAISSANCE TECHNOLOGIES LLC | $8.8M | 316,382 | Trimmed |
| 8 | GEODE CAPITAL MANAGEMENT, LLC | $6.4M | 228,711 | Trimmed |
| 9 | STATE STREET CORP | $4.3M | 152,551 | Added |
| 10 | HOTCHKIS & WILEY CAPITAL MANAGEMENT LLC | $3.8M | 136,097 | Trimmed |
| 11 | GABELLI FUNDS LLC | $3.7M | 133,036 | Trimmed |
| 12 | ACADIAN ASSET MANAGEMENT LLC | $3.6M | 130,305 | Hold |
| 13 | Bragg Financial Advisors, Inc | $3.2M | 113,883 | Added |
| 14 | Teton Advisors, LLC | $2.8M | 98,641 | Trimmed |
| 15 | UBS Group AG | $2.7M | 98,166 | Added |
| 16 | Minerva Advisors LLC | $2.3M | 83,965 | Hold |
| 17 | AMERICAN CENTURY COMPANIES INC | $2.3M | 83,571 | Trimmed |
| 18 | Wealthspire Advisors, LLC | $2.3M | 80,907 | Added |
| 19 | NORTHERN TRUST CORP | $2.2M | 78,200 | Added |
| 20 | BRIDGEWAY CAPITAL MANAGEMENT, LLC | $1.8M | 64,265 | Added |
| 21 | VANGUARD FIDUCIARY TRUST CO | $1.7M | 60,513 | New |
| 22 | VANGUARD PORTFOLIO MANAGEMENT LLC | $1.6M | 57,299 | New |
| 23 | Qube Research & Technologies Ltd | $1.4M | 50,494 | Added |
| 24 | MORGAN STANLEY | $1.4M | 49,085 | Trimmed |
| 25 | GOLDMAN SACHS GROUP INC | $1.1M | 39,598 | Trimmed |
Source: SEC Form 13F filings · as of 2026-03-31