What is the 13F Pro Quality Score for FSTR?

13F Pro ranks FOSTER L B CO (FSTR) on the 13F Pro Quality Score, a 0–100 composite of 32 fundamental signals including return on invested capital, free cash flow consistency, balance-sheet strength, earnings quality, growth durability, and valuation discipline. The score refreshes after each 10-K and 10-Q filing on SEC EDGAR. View FSTR's current score at https://13fpro.ai/research/FSTR (free sign-up required for the full ranking).

Which hedge funds own the most FSTR stock?

Based on the most recent Form 13F-HR filings on SEC EDGAR, the largest reported institutional holders of FSTR include BRANDES INVESTMENT PARTNERS,, 22NW,, GAMCO INVESTORS, ET AL. Holdings are reported quarterly within 45 days of quarter-end and updated on https://13fpro.ai/research/FSTR as soon as new 13F filings post.

Where does 13F Pro source FSTR data?

All FOSTER L B CO fundamentals and ownership data come directly from SEC EDGAR. FOSTER L B CO files with the SEC under CIK 352825. 13F Pro ingests XBRL financial facts from 10-K and 10-Q filings, Form 13F-HR institutional holdings, and Form 4 insider transactions, with no third-party rewrites or estimates.

What sector is FSTR in?

FOSTER L B CO (FSTR) is classified in the Consumer Discretionary sector. 13F Pro publishes sector-level fund flow analysis and quality leaders at https://13fpro.ai/research/sector/consumer-discretionary.

How often is FSTR research updated on 13F Pro?

FSTR's fundamentals refresh within hours of each new 10-K or 10-Q filing on SEC EDGAR. Institutional ownership updates after each quarterly 13F filing window. Insider transactions update after each Form 4 filing. The 13F Pro Quality Score recalculates after every fundamentals refresh.

FOSTER L B CO(FSTR)Stock Analysis

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13F Pro Quality Score

35.2/100

Rank #2,159 of 2,879 stocks

View Consumer Discretionary peers →

Rankings refresh quarterly once 80% of peers have filed (~45 days after quarter-end). Next update: ~Aug 14, 2026.

Revenue Growth

23.1/100

Profitability

29.8/100

Balance Sheet

51.5/100

Earnings Quality

42.4/100

Free Cash Flow

29.9/100

Institutional Flow

35.8/100

Revenue Scale

36.9/100

Dilution Risk

58.6/100

FSTR Stock Analysis & AI Quality Score

AI stock analysis and institutional research for FOSTER L B CO (FSTR), a Consumer Discretionary sector company. 13F Pro's AI-powered ranking engine scores FSTR at 35.2/100 on a 32-signal composite quality model, placing it at rank #2,159 of 2,879 stocks — the bottom half of the AI-ranked universe. Areas of concern include revenue growth (23.1) and profitability (29.8), which score below median versus the broader universe. Based on the latest XBRL financial filings (Q1 2026), FOSTER L B CO reports quarterly revenue of $121.1M, net income of $1.5M, an operating margin of 1.7%. Top institutional holders of FSTR by reported 13-F value include BRANDES INVESTMENT PARTNERS,, 22NW,, GAMCO INVESTORS, ET AL, based on the most recent SEC filings. FSTR trades on the Nasdaq exchange and files with the SEC under CIK 352825. 13F Pro's AI research platform runs 10 specialized AI analysts — value, growth, momentum, macro, and activist specialists — that debate FSTR daily and publish AI-generated analysis with cited SEC sources. The platform aggregates historical XBRL financial facts, 10-Q and 10-K filings, insider Form 4 transactions, and institutional 13-F holdings for FOSTER L B CO directly from SEC EDGAR. FOSTER L B CO's 13F Pro composite quality score has ranged between 23 and 58 since 2021, currently 35.2 — a stable long-term trajectory across 30 quarterly and live scoring snapshots.

✦

Fun facts about FOSTER L B CO

Quirks, history, and lore behind FSTR — the kind of stuff that makes a stock memorable.

1
The Basics
U.S. industrial infrastructure company · listed on Nasdaq · headquartered in Pennsylvania · serves construction and transportation markets.
2
The Numbers
A small-cap outfit with annual revenue in the hundreds of millions of dollars — not a household name on Wall Street, but a workhorse in its niche.
3
The History
Traces its roots back to the late 1800s, making it one of the older publicly traded industrials around — it's been building America's bones for well over a century.
4
The Secret
Its bread and butter is steel piling, sheet pile, and rail products — the unglamorous stuff that keeps highways, bridges, and railways from sinking into the earth.
5
The Lore
The company supplies tubular products and piling systems used in major infrastructure projects across North America — the kind of work you never see but always stand on.
6
The Giveaway
Named after its founder, this L.B. Foster-branded Pennsylvania stalwart has been hammering steel into the ground — and rails onto tracks — since the 1800s.

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Revenue

Q1 2026

$121.1M

Net Income

Q1 2026

$1.5M

Free Cash Flow

Q1 2026

$-13.4M

Operating Margin

Q1 2026

1.7%

ROIC

Q1 2026

0.9%

D/E Ratio

Q1 2026

0.34

Revenue & Net Income

Earnings Per Share

Key Financials Over Time

Export Financial Table · Pro+

Revenue

+1.7% YoY

$540.0MFY 2025

FY20 $497.4MFY21 $513.6MFY24 $530.8MFY25 $540.0M

Net Income

-82.4% YoY

$7.5MFY 2025

FY20 $7.6MFY21 $3.6MFY24 $42.9MFY25 $7.5M

Operating Income

+6.7% YoY

$21.9MFY 2025

FY20 $15.6MFY21 $4.5MFY24 $20.5MFY25 $21.9M

EPS (Diluted)

-82.3% YoY

$0.69FY 2025

FY20 $0.71FY21 $0.34FY24 $3.89FY25 $0.69

Total Assets

-1.2% YoY

$330.4MFY 2025

FY20 $370.4MFY21 $342.6MFY24 $334.6MFY25 $330.4M

Total Debt

-8.9% YoY

$42.8MFY 2025

FY20 $45.0MFY21 $31.3MFY24 $46.9MFY25 $42.8M

Op. Cash Flow

+57.4% YoY

$35.6MFY 2025

FY20 —FY21 —FY24 $22.6MFY25 $35.6M

Metric	FY 2025	FY 2024	FY 2021	FY 2020	FY 2019	FY 2017
Revenue	$540.0M +1.7%	$530.8M +3.3%	$513.6M +3.3%	$497.4M -19.3%	$616.4M +14.9%	$536.4M
Net Income	$7.5M -82.4%	$42.9M +1084.4%	$3.6M -52.2%	$7.6M -82.2%	$42.6M +694.0%	$5.4M
Operating Income	$21.9M +6.7%	$20.5M +358.8%	$4.5M -71.4%	$15.6M -57.2%	$36.5M +27.7%	$28.6M
EPS (Diluted)	$0.69 -82.3%	$3.89 +1044.1%	$0.34 -52.1%	$0.71 -82.3%	$4.00 +684.3%	$0.51
Total Assets	$330.4M -1.2%	$334.6M -2.3%	$342.6M -7.5%	$370.4M -8.6%	$405.2M +0.9%	$401.7M
Total Debt	$42.8M -8.9%	$46.9M +50.2%	$31.3M -30.6%	$45.0M -22.6%	$58.2M -55.3%	$130.0M
Operating Cash Flow	$35.6M +57.4%	$22.6M	—	—	$29.3M -25.6%	$39.4M

AI Insight: FSTR Ratio Trends

FSTR's profitability deteriorated sharply in Q1 2026 with operating margin falling to 1.7% from 4.9% in Q4 2025.

• Operating margin collapsed from 6.0% in Q3 2025 to 1.7% in Q1 2026, marking significant deterioration.

• ROIC plunged from 14.4% in Q4 2025 to 3.5% in Q1 2026, erasing capital efficiency gains.

• Debt-to-equity ratio improved from 0.59 in Q2 2024 to 0.34 in Q1 2026 despite recent volatility.

⚠ Q3 2024 anomaly showed 26.1% net margin and 79.0% ROE suggesting potential one-time gain distortion.

⚠ Company posted negative margins in Q1 2025 before recovery, indicating earnings volatility remains elevated.

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Available Research

13F Pro tracks comprehensive data for FOSTER L B CO including:

SEC EDGAR filings (10-K, 10-Q, 8-K)

XBRL financial facts (revenue, EPS, margins)

Insider transactions (Form 4)

Institutional 13F holdings

Quality rankings (32 signals)

AI analyst debates & daily meetings

Historical financial trends

Peer comparison & sector analysis

Top Institutional Holders of FSTR

BRANDES INVESTMENT PARTNERS, LP
$41.3M1,481,323 sh
22NW, LP
$29.8M1,067,186 sh
GAMCO INVESTORS, INC. ET AL
$25.2M901,439 sh
BlackRock, Inc.
$19.6M702,862 sh
DIMENSIONAL FUND ADVISORS LP
$19.3M693,492 sh
VANGUARD CAPITAL MANAGEMENT LLC
$10.7M384,784 sh
RENAISSANCE TECHNOLOGIES LLC
$8.8M316,382 sh
GEODE CAPITAL MANAGEMENT, LLC
$6.4M228,711 sh
STATE STREET CORP
$4.3M152,551 sh
HOTCHKIS & WILEY CAPITAL MANAGEMENT LLC
$3.8M136,097 sh

Fund	Value	Shares
BRANDES INVESTMENT PARTNERS, LP	$41.3M	1,481,323
22NW, LP	$29.8M	1,067,186
GAMCO INVESTORS, INC. ET AL	$25.2M	901,439
BlackRock, Inc.	$19.6M	702,862
DIMENSIONAL FUND ADVISORS LP	$19.3M	693,492
VANGUARD CAPITAL MANAGEMENT LLC	$10.7M	384,784
RENAISSANCE TECHNOLOGIES LLC	$8.8M	316,382
GEODE CAPITAL MANAGEMENT, LLC	$6.4M	228,711
STATE STREET CORP	$4.3M	152,551
HOTCHKIS & WILEY CAPITAL MANAGEMENT LLC	$3.8M	136,097

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Is FSTR a good stock to buy?

13F Pro's AI-powered analysis of FOSTER L B CO (FSTR) draws on SEC EDGAR-sourced fundamentals, institutional 13F holdings, and insider Form 4 transactions in the Consumer Discretionary sector (listed on Nasdaq). The 32-signal AI Quality Score, current rank, and full bull/bear verdict for FSTR are available on the FSTR stock profile dashboard — with the same data, AI insights, ratios, and institutional activity refreshed after every 10-K, 10-Q, 13F, and Form 4 filing.

Which hedge funds own FSTR?

Institutional investors are required to disclose their holdings quarterly via SEC Form 13F. 13F Pro aggregates these filings to show which hedge funds, mutual funds, and asset managers are buying or selling FSTR. Combined with insider transaction data from Form 4 filings and AI-powered analysis from 10 specialized research agents, 13F Pro provides a comprehensive view of FOSTER L B CO's investment landscape.