Latest Period
Q1 2026
Security Snapshot
FOSTER L B CO - Common Shares (FSTR) Institutional Ownership
CUSIP: 350060109
13F Institutional Holders and Ownership History from Q1 2014 to Q1 2026
Institutions Reporting
109
Shares (Excl. Options)
8,001,566
Price
$27.90
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- Security type / class
- Equity / Common Shares
- Symbol
- FSTR on Nasdaq
- All holders as of 31 Mar 2026
- Q1 2026
- Total 13F shares
- 8,001,566
- Total 13F value
- $223,211,416
- Portfolio coverage rank
- 0%
- Share change
- +107,712
- Value change
- +$3,126,272
- Number of holders
- 109
- Shares outstanding
- 10,293,250
- SEC-reported price per share
- $42.30
- Insider filing price
- $42.30
Latest holder snapshot
5 signals
Issuer context
Names, identifiers, and filing context for this profile.
3 identity fields
13F Shares, Excluding Options vs Price
13F Value, Excluding Options
Total Investors
Key facts
- FSTR - FOSTER L B CO - Common Shares is tracked under CUSIP 350060109.
- 109 institutions reported positions in Q1 2026.
- 3 significant owners is listed from Schedule 13D/13G reporting.
Change
- Holder count moved from 95 to 109 between Q4 2025 and Q1 2026.
- SEC-reported value moved from $213,348,616 to $223,211,416.
Research use
- You can quickly see who holds this security, then open quarter and manager detail pages for full evidence.
- 13F and Schedule 13D/13G sections are kept together so you can cross-check institutional and beneficial ownership context.
Evidence
Source: SEC Form 13F
Open SEC evidence
Latest holder context comes from 109 institutions filings for Q1 2026.
Security key
350060109
Latest holder period
Q1 2026
13F holders
109
13D/G owners
3
CIK / CUSIP context first
Open Q1 2026 holders
FSTR full holder history
FOSTER L B CO SEC filings
FOSTER L B CO company facts
FOSTER L B CO insider transactions
Broader feeds
Recent Quarterly Holder Reports
Open recent reporting periods for CUSIP 350060109:
13D/G owners
Significant owners
Large-stake holder rows connected to Schedule 13D/G evidence.
Rows
3
Security
FSTR
| Filer | Ownership | Change % | Holdings Value | Net Change | Nb Shares | Change % | Reporting Name | Report Period |
|---|---|---|---|---|---|---|---|---|
| BRANDES INVESTMENT PARTNERS, LP | 14% | +13% | $44,466,840 | +$4,254,450 | 1,482,228 | +11% | BRANDES INVESTMENT PARTNERS, LP | 31 Mar 2026 |
| VANGUARD GROUP INC | 4% | $8,679,825 | 433,125 | The Vanguard Group | 31 Dec 2024 | |||
| 22NW Fund, LP | 2.5% | -52% | $7,327,935 | -$9,121,319 | 262,650 | -55% | English Aron R. | 20 Apr 2026 |
As of 31 Mar 2026, 109 institutional investors reported holding 8,001,566 shares of FOSTER L B CO - Common Shares (FSTR). This represents 78% of the company’s total 10,293,250 outstanding shares.
13F concentration
Top 25 institutional shareholders
Largest 13F positions for this security by reported shares and value.
Top holder share
71%
| Institution | Ownership % | Shares Held | Share Change % | Portfolio % | Holdings Value |
|---|---|---|---|---|---|
| BRANDES INVESTMENT PARTNERS, LP | 14% | 1,481,323 | +8.9% | 0.29% | $41,328,912 |
| 22NW, LP | 10% | 1,067,186 | -10% | 23% | $29,774,489 |
| GAMCO INVESTORS, INC. ET AL | 8.8% | 901,439 | -1.8% | 0.25% | $25,150,148 |
| BlackRock, Inc. | 6.8% | 702,862 | -1.4% | 0% | $19,609,851 |
| DIMENSIONAL FUND ADVISORS LP | 6.7% | 693,492 | -0.22% | 0% | $19,348,666 |
| VANGUARD CAPITAL MANAGEMENT LLC | 3.7% | 384,784 | 0% | 0% | $10,735,474 |
| RENAISSANCE TECHNOLOGIES LLC | 3.1% | 316,382 | -4.3% | 0.01% | $8,827,058 |
| GEODE CAPITAL MANAGEMENT, LLC | 2.2% | 228,711 | -2% | 0% | $6,382,858 |
| STATE STREET CORP | 1.5% | 152,551 | +4.7% | 0% | $4,256,173 |
| HOTCHKIS & WILEY CAPITAL MANAGEMENT LLC | 1.3% | 136,097 | -3.4% | 0.01% | $3,797,106 |
| GABELLI FUNDS LLC | 1.3% | 133,036 | -2.1% | 0.03% | $3,711,704 |
| ACADIAN ASSET MANAGEMENT LLC | 1.3% | 130,305 | 0% | 0.01% | $3,634,000 |
| Bragg Financial Advisors, Inc | 1.1% | 113,883 | +0.1% | 0.1% | $3,177,336 |
| Teton Advisors, LLC | 0.96% | 98,641 | -23% | 1.9% | $2,752,084 |
| UBS Group AG | 0.95% | 98,166 | +423% | 0% | $2,738,831 |
| Minerva Advisors LLC | 0.82% | 83,965 | 0% | 1.5% | $2,342,623 |
| AMERICAN CENTURY COMPANIES INC | 0.81% | 83,571 | -6.3% | 0% | $2,331,631 |
| Wealthspire Advisors, LLC | 0.79% | 80,907 | +17% | 0.02% | $2,257,306 |
| NORTHERN TRUST CORP | 0.76% | 78,200 | +4% | 0% | $2,181,780 |
| BRIDGEWAY CAPITAL MANAGEMENT, LLC | 0.62% | 64,265 | +2% | 0.04% | $1,792,994 |
| VANGUARD FIDUCIARY TRUST CO | 0.59% | 60,513 | 0% | 0% | $1,688,313 |
| VANGUARD PORTFOLIO MANAGEMENT LLC | 0.56% | 57,299 | 0% | 0% | $1,598,642 |
| Qube Research & Technologies Ltd | 0.49% | 50,494 | +45% | 0% | $1,408,783 |
| MORGAN STANLEY | 0.48% | 49,085 | -6% | 0% | $1,369,474 |
| GOLDMAN SACHS GROUP INC | 0.38% | 39,598 | -3.6% | 0% | $1,104,784 |
Quarter history
Institutional holders across reporting periods
Holder count, reported shares/value, and median price by quarter.
Periods
49
Latest
Q1 2026
Rows shown
1-25 of 49
| Period | 13F Shares, Excl. Options | Value, Excl. Options | Value Change | Price (Median) | Investors |
|---|---|---|---|---|---|
| 2026 Q1 | 8,001,566 | $223,211,416 | +$3,126,272 | $27.90 | 109 |
| 2025 Q4 | 7,919,750 | $213,348,616 | -$1,450,193 | $26.95 | 95 |
| 2025 Q3 | 7,940,251 | $213,992,415 | -$2,871,603 | $26.95 | 89 |
| 2025 Q2 | 8,097,011 | $177,100,116 | +$5,254,002 | $21.87 | 91 |
| 2025 Q1 | 7,889,322 | $155,420,305 | -$5,676,775 | $19.68 | 85 |
| 2024 Q4 | 8,014,563 | $215,610,122 | -$3,859,783 | $26.90 | 93 |
| 2024 Q3 | 8,171,130 | $166,923,630 | -$2,826,384 | $20.43 | 84 |
| 2024 Q2 | 8,245,987 | $177,504,490 | +$1,286,591 | $21.52 | 83 |
| 2024 Q1 | 8,024,805 | $219,135,871 | +$10,724,351 | $27.31 | 79 |
| 2023 Q4 | 7,625,027 | $167,674,361 | +$7,331,652 | $21.99 | 72 |
| 2023 Q3 | 7,370,895 | $139,331,990 | +$3,668,453 | $18.91 | 60 |
| 2023 Q2 | 7,115,198 | $101,588,080 | -$161,268 | $14.28 | 56 |
| 2023 Q1 | 7,219,123 | $82,768,936 | +$4,330,953 | $11.48 | 57 |
| 2022 Q4 | 6,813,668 | $65,955,318 | -$1,888,876 | $9.68 | 55 |
| 2022 Q3 | 7,443,682 | $72,642,146 | -$1,404,353 | $9.76 | 53 |
| 2022 Q2 | 7,550,632 | $97,180,309 | +$3,842,037 | $12.87 | 56 |
| 2022 Q1 | 7,231,847 | $111,175,045 | +$5,331,983 | $15.37 | 63 |
| 2021 Q4 | 6,894,006 | $95,009,262 | -$2,239,934 | $13.75 | 64 |
| 2021 Q3 | 6,720,583 | $104,107,967 | -$2,021,181 | $15.49 | 72 |
| 2021 Q2 | 6,825,785 | $127,231,211 | -$6,895,226 | $18.64 | 81 |
| 2021 Q1 | 7,194,719 | $128,812,636 | -$8,248,300 | $17.90 | 90 |
| 2020 Q4 | 7,672,249 | $115,462,580 | -$268,592 | $15.05 | 78 |
| 2020 Q3 | 7,694,859 | $103,195,939 | -$786,964 | $13.42 | 79 |
| 2020 Q2 | 7,770,893 | $99,194,645 | +$2,387,639 | $12.77 | 81 |
| 2020 Q1 | 7,589,696 | $93,795,925 | -$2,573,862 | $12.36 | 81 |