NasdaqIndustrialsHeavy Construction Other Than Bldg Const - ContractorsRALEIGH, NC

Cardinal Infrastructure Group Inc. CDNL

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Estimated market cap $712.59M47.54M shares, shares as of Nov 4, 2026CIK 2079999

Insider trades, 12 mo

23 buys · 0 sells

$10.68M bought, open market

Congress trades, 24 mo

—

No disclosed trades

13F holders, Q3 2026

58.6% of shares · 48 added

13F holders

…

Lobbying, 12 mo

—

No lobbying filings

Federal contracts, 12 mo

—

None matched

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Latest 10-Q

Q3 2026

What changed in Cardinal Infrastructure Group Inc.'s latest quarterly report, compared with the one before.

Filed Nov 12, 2026 · Quarter ended Sep 30, 2026

Compared with the 10-Q for the quarter ended Jun 30, 2026. Sections compared: management's discussion, risk factors, legal proceedings and controls and procedures.

Read the 10-Q on sec.gov ↗Filing index ↗

Latest 10-Q

What changed in Cardinal Infrastructure Group Inc.'s latest quarterly report, compared with the one before.

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IPO prospectus

Priced

Cardinal Infrastructure Group Inc.’s initial public offering: where it stands and what the registration statement says.

Priced · Proposed ticker CDNL, Nasdaq Global Select Market · First filed Oct 14, 2025 · Priced Dec 10, 2025

Raised

$241.5M

price times shares, before any over-allotment

Price per share

$21.00

on the final prospectus

Shares offered

11.50M

base offering

Read from the S-1/A filed Dec 1, 2025 · Read it on sec.gov ↗

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AI summary of the prospectus. Written by AI from the parts of the prospectus listed in the filing, and checked against its text. This is information, not investment advice.

All filings of this IPO Read the S-1/A on sec.gov ↗

IPO prospectus

Cardinal Infrastructure Group Inc.’s initial public offering: where it stands and what the registration statement says.

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Insider trades

23 in 12 mo

Open-market trades from Form 4. 10b5-1 marks a plan set in advance.

No open-market insider trades reported since Aug 17, 2026. Insiders have two business days to file.

Recent insider trades

Richard Bennett Wimmer Director	Aug 17 Form 4 ↗	Buy	+$293.5K 7,500 sh @ $39.13	-60.1%
Richard Melvin Lee Jr. Director	Aug 14 Form 4 ↗	Buy	+$264.1K 7,000 sh @ $37.73	-59.8%
Richard Melvin Lee Jr. Director	Aug 14 Form 4 ↗	Buy	+$987.9K 27,000 sh @ $36.59	-59.8%
Michael Bruce Rowe Jr. Chief Financial Officer	Aug 14 Form 4 ↗	Buy	+$255.7K 7,000 sh @ $36.53	-59.8%
Anthony Leon Wood Jr. Director	Aug 14 Form 4 ↗	Buy	+$690.9K 17,381 sh @ $39.75	-59.8%

All CDNL insider trades →Planned sales (Form 144): see notices

Insider trades

Open-market trades from Form 4. 10b5-1 marks a plan set in advance.

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13F holders

15.33M shares

89 funds report CDNL. Values checked against market prices.

Funds report more than 100% of Class A shares (Q2 2026)

158 funds hold the Class A shares.

Q3 2026: 72% · 5,560 of ~8,900 funds reported so far

Q2 2026>100%
Q3 2026 (so far)72%

Q3 2026. 20 new, 48 added to, 19 trimmed, 88 exited since Q2 2026.

Top 13F holders
#
1	FMR LLC 13F ↗	3.23M	$98.9M	+9.3%
2	First Trust Advisors LP 13F ↗	1.36M	$41.7M	+8249.5%
3	BlackRock, Inc. 13F ↗	1.35M	$41.2M	+11.5%
4	Principal Financial Group Inc 13F ↗	904,473	$27.7M	+39.8%
5	American Century Companies Inc 13F ↗	892,362	$27.3M	+25.5%
6	Vanguard Capital Management LLC 13F ↗	867,044	$26.5M	+23.1%
7	Emerald Advisers, LLC 13F ↗	856,579	$26.2M	+1.0%
8	Conversant Capital LLC 13F ↗	745,330	$22.8M	New
9	Emerald Mutual Fund Advisers Trust 13F ↗	558,491	$17.1M	+1.7%
10	Ranger Investment Management, L.P. 13F ↗	531,625	$16.3M	+325.5%

Download CSV Every fund that holds CDNL, not only these ten. A download holds at most 10,000 rows; narrow the filters to get a smaller slice.

13F holders

Funds that report this stock, checked against market prices.

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Trades by members of Congress

Disclosed in dollar ranges, up to 45 days after the trade.

No recent congressional trades for this company.

Trades by members of Congress

Disclosed in dollar ranges, up to 45 days after the trade.

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Lobbying

What Cardinal Infrastructure Group Inc. and its lobbying firms report each quarter.

No recent lobbying filings for this company.

Lobbying

What Cardinal Infrastructure Group Inc. and its lobbying firms report each quarter.

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Institutional ownership over time

How many funds reported holding the stock at the end of each quarter, and how many shares they held between them.

Funds holding the stock

Shares they report

Funds holding the stock by quarter

Q4 2025	54	—	13.24M	$319.8M
Q1 2026	93	+39	15.03M	$581.1M
Q2 2026	158	+65	21.99M	$2.0B
Q3 2026	89	-69	15.33M	$462.8M

Each point is a quarter-end, from Q4 2025 to Q3 2026. A fund's 13F lists its long positions in US-listed securities as of the last day of the quarter and arrives up to 45 days later, so each point shows holdings at quarter-end, not on the day they were reported.

Common shares only; options and bonds are left out. When a fund amends a report, the amended version is the one counted.

The history follows the company's current CUSIP number (14154A102). If the company's shares were ever re-issued under a different CUSIP, the quarters before the change are not part of this series, so the first point (Q4 2025) can be later than the stock's first appearance in 13F reports.

Share counts are adjusted for stock splits; none took place between these quarters. Values are in dollars as reported at the time and are not adjusted.

A quarter appears once our daily update has built its summary. If a summary cannot be built, older reports are kept and the chart shows the quarters it has until the next update repairs it.

Institutional ownership over time

How many funds reported holding the stock at the end of each quarter, and how many shares they held between them.

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More filings and data

Each opens the table.

Ownership stakes20 in 12 mo 8-K events4 in 90 days PatentsNone on record Short interestFINRA · updated Oct 15 Planned insider salesNone in 12 mo Executive payNone on record Wikipedia attentionNone on record SEC enforcementNone on record IPO history2 registrations Merger clearancesLatest Nov 9 Ownership stakes…8-K events…Patents…Short interest…Planned insider sales…Executive pay…Wikipedia attention…SEC enforcement…

About the company

The basics from the company’s SEC registration.

Legal name: Cardinal Infrastructure Group Inc.
Address: 100 E. SIX FORKS ROAD, #300, RALEIGH, NC 27609
Phone: (919) 324-1964
Fiscal year ends: Dec 31
Filer category: emerging growth company
Incorporated in: DE
Listed as: CDNL (Nasdaq)
Former names: Civil Infrastructure Group Inc. (until 2025)
SEC filings: All filings on SEC EDGAR ↗

About the company

The basics from the company’s SEC registration.

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$14.99+$0.39 (+2.67%) Nov 11 close

1M3M1Y

Oct 12, 2026Low $12.59 · High $20.92Nov 11, 2026

Aug 11, 2026Low $12.59 · High $45.14Nov 11, 2026

Dec 10, 2025Low $12.59 · High $94.31Nov 11, 2026

Congress purchase Congress sale Insider sale over $1M

Adjusted for stock splits; not for dividends. Where prices come from.

Live chart

Intraday and historical prices from TradingView. Quotes may be delayed.

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Information, not investment advice. Company matching is automatic; check the source before relying on one row.