STRL at a glance
STERLING INFRASTRUCTURE, INC. (STRL, SEC CIK 874238) filed its latest 10-K annual report on February 26, 2026, a 10-Q quarterly report on August 4, 2026, an 8-K current report on October 5, 2026 and Form 4 insider filings as recently as September 23, 2026. SignalX summarizes each filing with AI and tracks the company's insider trades and institutional holders.
- For the fiscal year ended December 31, 2025 (FY2025), STERLING INFRASTRUCTURE, INC. (STRL) reported revenue of $2.5 billion (up 17.7% from FY2024) and net income of $290.2 million. Diluted EPS was $9.38.
- As of June 30, 2026, 41 institutional investment managers tracked by SignalX reported holding STERLING INFRASTRUCTURE, INC. (STRL) shares worth $10.8 billion in 13F-HR filings.
- The most recent insider open-market sale reported on Form 4 was by Wolf Mark D. on June 25, 2026 of 2,500 shares at $888.00 per share.
Source: SEC EDGAR (XBRL financial data, 13F-HR and Form 4 filings).
- Revenue · FY2025
- $2.5B
- +17.7% vs prior year
- Insiders · 90 days
- 0 buys · 0 sells
- No open-market trades
- 13F holders
- 41 funds
- $10.8B · +3 vs prior quarter
- Latest 8-K
- Aug 3, 2026
- Item 2.02 · Item 7.01
AI 10-K Annual Report Analysis
Latest 10-K, fiscal year ended Dec 31, 2025
Business Overview
- Core business: Infrastructure construction and development focused on E-Infrastructure, Transportation, and Building Solutions segments
- New emphasis on multi-year capital deployment in data centers driven by cloud, AI, and semiconductor manufacturing expansion in E-Infrastructure
- Strategic acquisition of electrical and mechanical business in 3Q 2025 adding $489 million to backlog and $226 million to unsigned awards
- Backlog growth to $3.01 billion at 12/31/2025 from $1.69 billion at 12/31/2024, book-to-burn ratio steady at ~1.6-1.7X
- Backlog gross margin improved to 17.8% in 2025 vs 16.7% in 2024 due to higher E-Infrastructure and improved Transportation mix
Risk Factors
- Contract mix risk with majority Backlog in fixed-unit price or lump sum contracts exposing profits to labor cost variances
- Termination for convenience clauses in most contracts risking cancellation despite compensation for work performed
- Joint venture reliance for project execution increasing operational complexity and dependency on partner performance
Management Discussion & Analysis
- Revenue $2.49B in 2025, up $374.3M YoY, excluding $235.9M RHB revenue from 2024 revenue increased $610.2M
- Gross margin 23.0% in 2025 vs 20.1% in 2024; Operating margin 16.3% vs 12.5%, driven by higher volume and improved project mix
- Best segment: E-Infrastructure Solutions revenue $1.47B (+58.8%), operating margin 23.6% vs 22.0%; Worst: Building Solutions revenue $382.6M (-6.3%), margin 10.2% vs 13.2%
- Cash flow from operations $440.0M (-$57.1M); Capex $77.3M; Acquisitions $482.3M; Repurchased stock $74.2M; Ending cash $390.7M vs $664.2M
- 2026 Capex guidance $100-$110M; Management notes liquidity sufficient for next year; Key risks include project mix, contract capital fluctuations, and surety bond market conditions
AI summary of the STRL 10-K filed . Generated from the filing text; verify against the original.View on SEC EDGARHow to read a 10-K
AI 10-Q Quarterly Report Analysis
Latest 10-Q, quarter ended Jun 30, 2026
Management Discussion & Analysis
- Q2 revenue $1.17B, up 90% YoY from $614.5M
- Gross margin 24.8% vs 23.3% YoY
- E-Infrastructure best performer: revenue $905.0M, up 192%, operating margin 23.3%
- Building Solutions weakest: revenue $106.5M, down 0.7%, operating margin 8.0% vs 9.2%
- Cash $464.5M vs $390.7M; operating cash flow $328.0M and $206.5M investing outflow, including $140.0M acquisitions
- Near-term headwinds: muted residential demand from affordability challenges; long-term growth opportunities across all segments
Risk Factors
- Risk-factors section not provided in submitted filing text
- No new or changed regulatory, legal, operational, competitive, market, or financial risk identified
- Credit facility amendment dated July 2, 2026, disclosed without stated risk implications
AI summary of the STRL 10-Q filed . Generated from the filing text; verify against the original.View on SEC EDGAR10-K vs 10-Q vs 8-K
AI 8-K Current Report Analysis
The most recent material events, by 8-K item
Item 2.02: Results of Operations and Financial Condition
- Q2 and first-half 2026 results announced for periods ended June 30, 2026
- Updated full-year 2026 guidance signals changed management expectations
Item 7.01: Regulation FD Disclosure
- Conference call scheduled August 4, 2026, covering second-quarter 2026 results and corporate developments
- Investor presentation furnished as Exhibit 99.2, providing management’s discussion framework for the call
Item EX-99.1: Item EX-99.1
- Q2 revenue $1.17B, up 90%, with adjusted EPS $5.80, up 116%; earnings momentum materially exceeded prior-year levels
- Adjusted EBITDA $256.7M, up 104%, with 22% margin; strong operating leverage despite acquisition-related adjustments
Item 5.02: Departure/Appointment of Directors or Principal Officers
- General Counsel, Chief Compliance Officer and Corporate Secretary Mark D. Wolf intends to retire later in 2026
- Wolf expected to remain in role during transition, reducing near-term disruption risk
AI summaries of STRL 8-K current reports filed with the SEC. What 8-K item codes mean
SignalX for STRL
Don't miss the next STRL filing
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- Fund moves. Which tracked funds opened, added or cut STRL, by share count.
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Recent Insider Transactions (Form 4)
Latest reported trades by officers, directors and 10% owners
| Insider | Type | Date | Shares | Price |
|---|---|---|---|---|
| CUTILLO JOSEPH A | G | Sep 21, 2026 | 40,000 | - |
| Govin Daniel P. | F | Aug 6, 2026 | 6,559 | $536.08 |
| GRINDSTAFF NICHOLAS M | F | Jul 10, 2026 | 556 | $682.29 |
| Wolf Mark D. | Sell | Jun 25, 2026 | 2,500 | $888.00 |
| Dill Julie | G | Jun 18, 2026 | 325 | - |
| Wilson Dwayne Andree | A | May 7, 2026 | 181 | - |
| Bosway William T | A | May 7, 2026 | 181 | - |
| Schulz David S. | A | May 7, 2026 | 181 | - |
Financial SummaryXBRL
| Metric | FY2023 | FY2024 | FY2025 |
|---|---|---|---|
| Profitability | |||
| Revenue | - | $2.1B | $2.5B |
| Gross Profit | - | $426.1M | $572.3M |
| Operating Income | - | $264.6M | $405.9M |
| Net Income | - | $257.5M | $290.2M |
| Gross Margin | - | 20.1% | 23.0% |
| Op. Margin | - | 12.5% | 16.3% |
| Net Margin | - | 12.2% | 11.7% |
| Balance Sheet | |||
| Total Assets | $1.8B | $2.0B | $2.6B |
| Equity | $618.9M | $808.1M | $1.1B |
| ROE | - | 31.9% | 26.2% |
| Per Share | |||
| EPS | - | $8.27 | $9.38 |
| Cash Flow | |||
| Operating CF | - | $497.1M | $440.0M |
| CapEx | - | $81.0M | $77.3M |
Source: XBRL data in STERLING INFRASTRUCTURE, INC. (STRL)'s 10-K filings on SEC EDGAR, in USD. Compare across companies →
13F Fund Holdings: Quarterly Trend
Latest: Q2 2026Aggregate STRL share value held by 13F filers tracked by SignalX, by quarter.
Quarterly totals table
| Quarter | Funds | Total value |
|---|---|---|
| Q2 2026 | 41 | $10.76B |
| Q1 2026 | 38 | $6.04B |
| Q4 2025 | 35 | $4.77B |
| Q3 2025 | 34 | $5.88B |
| Q2 2025 | 32 | $3.86B |
| Q1 2025 | 27 | $1.13B |
| Q4 2024 | 23 | $1.48B |
| Q3 2024 | 21 | $685.3M |
- Millennium Management+269.2K (+1050%)
- Two Sigma Investments+176.2K (+1379%)
- JPMorgan Chase & Co+121.3K (+45%)
- Morgan Stanley+46.3K (+10%)
- Citadel Advisors LLC+44.1K (+176%)
- BlackRock−750.9K (-19%)
- Invesco Ltd−409.2K (-34%)
- Dimensional Fund Advisors−311.3K (-55%)
- FMR LLC (Fidelity)−298.6K (-20%)
- T. Rowe Price Group−240.1K (-58%)
- D.E. Shaw & Co+156.2K
- Citizens Financial Group+363
- CITY HOLDING CO+14
Source: 13F-HR filings on SEC EDGAR (aggregated from 251 fund-quarter rows). Reflects only 13F filers tracked by SignalX, not the full institutional ownership universe. How 13F filings work
STRL filing archive
AI analysis pages for each 10-K, 10-Q and 8-K
10-K annual reports
10-Q quarterly reports
Latest 2026 SEC Filings: 10-K, 10-Q, 8-K & Form 4
| Form | Filing date | Period | Analysis | SEC |
|---|---|---|---|---|
| 8-K | Oct 5, 2026 | - | - | - |
| 4 | Sep 23, 2026 | - | - | - |
| 4 | Aug 10, 2026 | - | - | - |
| 10-Q | Aug 4, 2026 | Jun 30, 2026 | Analysis | |
| 8-K | Aug 3, 2026 | - | Analysis | - |
| 4 | Jul 14, 2026 | - | - | - |
| 8-K | Jul 10, 2026 | - | Analysis | - |
| 8-K | Jul 8, 2026 | - | Analysis | - |
| 4 | Jun 29, 2026 | - | - | - |
| 4 | Jun 22, 2026 | - | - | - |
| 8-K | Jun 9, 2026 | - | Analysis | |
| 8-K | May 12, 2026 | - | Analysis | |
| 4 | May 11, 2026 | - | - | |
| 4 | May 11, 2026 | - | - | |
| 4 | May 11, 2026 | - | - | |
| 4 | May 11, 2026 | - | - | |
| 4 | May 11, 2026 | - | - | |
| 4 | May 11, 2026 | - | - | |
| 4 | May 11, 2026 | - | - | |
| 8-K | May 7, 2026 | - | Analysis | |
| 10-Q | May 5, 2026 | Mar 31, 2026 | Analysis | |
| 8-K | May 4, 2026 | - | Analysis | - |
| SC 13G | Apr 30, 2026 | - | - | |
| 4 | Apr 24, 2026 | - | - | - |
| 8-K | Apr 8, 2026 | - | Analysis | - |
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STRL SEC filings: frequently asked questions
Which institutions hold STRL stock?
As of June 30, 2026, the largest STERLING INFRASTRUCTURE, INC. (STRL) holders among the 13F filers tracked by SignalX were BlackRock ($2.7 billion), Vanguard Capital Management LLC ($1.1 billion), Vanguard Portfolio Management LLC ($1.1 billion), FMR LLC (Fidelity) ($987.1 million), State Street Corp ($802.8 million). 13F-HR reports are filed up to 45 days after each quarter ends.
What was STRL's revenue in fiscal year 2025?
For the fiscal year ended December 31, 2025 (FY2025), STERLING INFRASTRUCTURE, INC. (STRL) reported revenue of $2.5 billion (up 17.7% from FY2024) and net income of $290.2 million. Diluted EPS was $9.38. The figures come from the XBRL data in the 10-K.
What are the main risks in STRL's latest 10-K?
In the 10-K filed February 26, 2026, STERLING INFRASTRUCTURE, INC. (STRL) flagged: Contract mix risk with majority Backlog in fixed-unit price or lump sum contracts exposing profits to labor cost variances. Termination for convenience clauses in most contracts risking cancellation despite compensation for work performed. (AI summary of the Risk Factors section.)
What did STRL report in its latest 8-K?
STERLING INFRASTRUCTURE, INC. (STRL) filed an 8-K on August 3, 2026 reporting Item 2.02 (Results of Operations and Financial Condition) and Item 7.01 (Regulation FD Disclosure). Q2 and first-half 2026 results announced for periods ended June 30, 2026.
What are the latest STRL SEC filings?
STERLING INFRASTRUCTURE, INC. (STRL) filed its latest 10-K annual report on February 26, 2026, a 10-Q quarterly report on August 4, 2026, an 8-K current report on October 5, 2026 and a Form 4 insider filing on September 23, 2026.
What is STRL's SEC CIK number?
STERLING INFRASTRUCTURE, INC. (STRL)'s SEC Central Index Key (CIK) is 874238. EDGAR lists every STRL filing under that number.
Ask anything about STRL
The research agent reads STRL's filings, financials, insider trades and 13F holders, then answers with sources.