BlackRock reports 6.6% stake in Centuri Holdings

BlackRock, Inc. filed an amended Schedule 13G/A reporting beneficial ownership of common stock of Centuri Holdings Inc. BlackRock reports beneficial ownership of 6,636,810 shares of Centuri common stock, representing 6.6% of the class as of June 30, 2026.

Rhea-AI Filing Summary

BlackRock, Inc. filed an amended Schedule 13G/A reporting beneficial ownership of common stock of Centuri Holdings Inc. BlackRock reports beneficial ownership of 6,636,810 shares of Centuri common stock, representing 6.6% of the class as of June 30, 2026.

BlackRock has sole voting power over 6,494,738 shares and sole dispositive power over 6,636,810 shares, with no shared voting or dispositive power. Various underlying clients and investors have rights to dividends or sale proceeds, but no single such person holds more than five percent of Centuri’s outstanding common shares.

Key Figures

Beneficially owned shares: 6,636,810 shares Ownership percentage: 6.6% Sole voting power: 6,494,738 shares +3 more

6 metrics

Beneficially owned shares 6,636,810 shares Common stock of Centuri Holdings Inc. beneficially owned by BlackRock as of June 30, 2026

Ownership percentage 6.6% Percent of Centuri Holdings Inc. common stock class reported by BlackRock

Sole voting power 6,494,738 shares Shares of Centuri common stock over which BlackRock has sole power to vote

Sole dispositive power 6,636,810 shares Shares of Centuri common stock over which BlackRock has sole power to dispose

CUSIP 155923105 CUSIP number for Centuri Holdings Inc. common stock

Amendment number Amendment No. 1 This filing is the first amendment to a prior Schedule 13G

Key Terms

Schedule 13G/A, beneficially owned, sole dispositive power, sole voting power, +2 more

6 terms

Schedule 13G/A regulatory

"BlackRock, Inc. filed an amended Schedule 13G/A reporting beneficial ownership"

A Schedule 13G/A is an amended public filing with the U.S. securities regulator that updates a previous Schedule 13G, disclosing when an individual or group holds a substantial (typically over 5%) stake in a company and is claiming a passive, non‑controlling intent. Investors monitor these updates because rising or falling holdings can signal changing confidence, potential future moves, or shifts in voting power — like watching a public ledger where large shareholders quietly adjust their positions.

beneficially owned financial

"this reflects the securities beneficially owned, or deemed to be beneficially owned, by certain business units"

Beneficially owned describes securities or assets where a person has the economic rights and control—such as the right to receive dividends and to direct voting—even if legal title is held in another name. Think of it like having the keys and using a car that’s registered to someone else: you get the benefits and make decisions. Investors care because beneficial ownership reveals who truly controls value and voting power, affecting corporate decisions and takeover dynamics.

sole dispositive power financial

"Sole Dispositive Power 6,636,810.00"

Sole dispositive power is the exclusive legal authority to decide what happens to a security — for example, whether to sell, transfer, or retain shares — without needing anyone else’s permission. Investors care because it signals who truly controls the economic outcome of an investment: like holding the only key to a safe, the holder can realize gains or losses and may trigger regulatory reporting, insider rules, or influence over corporate ownership.

sole voting power financial

"Sole Voting Power 6,494,738.00"

Sole voting power is the exclusive right to cast votes attached to a shareholder’s stock without needing approval from anyone else. Like holding the only remote control for a TV, it lets that holder decide corporate matters such as board members, mergers, and policy changes, making it important to investors because it concentrates control and can strongly influence a company’s strategy and the value of its shares.

Power of Attorney regulatory

"Exhibit 24: Power of Attorney"

A power of attorney is a legal document that allows one person to make decisions and act on behalf of another person, often in financial or legal matters. It’s like giving someone a trusted helper or agent the authority to handle important tasks if you are unable to do so yourself. This matters to investors because it can impact how their assets are managed or transferred if they become unable to oversee their affairs.

parent holding company regulatory

"Identification and Classification of the Subsidiary Which Acquired the Security Being Reported on by the Parent Holding Company"

FAQ

AI-generated questions and answers. How Rhea-AI works. Not financial advice.

What percentage of Centuri Holdings Inc (CTRI) does BlackRock now report owning?

BlackRock reports beneficial ownership of 6.6% of Centuri Holdings Inc. common stock. This corresponds to 6,636,810 shares as of June 30, 2026, according to the amended Schedule 13G/A filing.

How many Centuri Holdings Inc (CTRI) shares does BlackRock have voting power over?

BlackRock has sole voting power over 6,494,738 shares of Centuri common stock. It reports no shared voting power, indicating voting authority is concentrated within BlackRock’s reporting business units.

What is the total number of Centuri Holdings Inc (CTRI) shares BlackRock can dispose of?

BlackRock has sole dispositive power over 6,636,810 shares of Centuri common stock. The filing states zero shared dispositive power, meaning only BlackRock’s reporting units control potential sales of these shares.

Do any single BlackRock clients hold over 5% of Centuri Holdings Inc (CTRI)?

The filing states that various persons have rights to dividends or sale proceeds, but no one person’s interest in Centuri common stock exceeds five percent of the total outstanding common shares.

What type of securities in Centuri Holdings Inc (CTRI) are reported in this Schedule 13G/A?

BlackRock reports holdings in Common Stock of Centuri Holdings Inc., identified by CUSIP 155923105. The filing is an Amendment No. 1 to a previously reported position.

AI-generated analysis. How Rhea-AI works. Not financial advice.

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Available on EDGAR 07/27/2026 - 04:28 PM Accepted by SEC EDGAR 07/27/2026 - 04:25 PM Learn about SEC filing dates

SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

SCHEDULE 13G

UNDER THE SECURITIES EXCHANGE ACT OF 1934

(Amendment No. 1)

CENTURI HOLDINGS INC

(Name of Issuer)

Common Stock

(Title of Class of Securities)

155923105

(CUSIP Number)

06/30/2026

(Date of Event Which Requires Filing of this Statement)

Check the appropriate box to designate the rule pursuant to which this Schedule is filed:

Rule 13d-1(b)

Rule 13d-1(c)

Rule 13d-1(d)

schemaVersion:

SCHEDULE 13G

CUSIP Number(s): 155923105

1

Names of Reporting Persons

BlackRock, Inc.

2

Check the appropriate box if a member of a Group (see instructions)

(a)
(b)

3

Sec Use Only

4

Citizenship or Place of Organization

DELAWARE

Number of Shares Beneficially Owned by Each Reporting Person With:

5	Sole Voting Power 6,494,738.00
6	Shared Voting Power 0.00
7	Sole Dispositive Power 6,636,810.00
8	Shared Dispositive Power 0.00

9

Aggregate Amount Beneficially Owned by Each Reporting Person

6,636,810.00

10

Check box if the aggregate amount in row (9) excludes certain shares (See Instructions)

11

Percent of class represented by amount in row (9)

6.6 %

12

Type of Reporting Person (See Instructions)

HC

SCHEDULE 13G

Item 1.
(a)	Name of issuer: CENTURI HOLDINGS INC
(b)	Address of issuer's principal executive offices: 19820 NORTH 7TH AVENUE SUITE 120 PHOENIX AZ 85027
Item 2.
(a)	Name of person filing: BlackRock, Inc. In accordance with SEC Release No. 34-39538 (January 12, 1998), this Schedule 13G reflects the securities beneficially owned, or deemed to be beneficially owned, by certain business units (collectively, the "Reporting Business Units") of BlackRock, Inc. and its subsidiaries and affiliates. It does not include securities, if any, beneficially owned by other business units whose beneficial ownership of securities are disaggregated from that of the Reporting Business Units in accordance with such release.
(b)	Address or principal business office or, if none, residence: BlackRock, Inc., 50 Hudson Yards New York, NY 10001
(c)	Citizenship: See Item 4 of Cover Page
(d)	Title of class of securities: Common Stock
(e)	CUSIP No.: 155923105
Item 4.	Ownership
(a)	Amount beneficially owned: 6636810
(b)	Percent of class: 6.6 %
(c)	Number of shares as to which the person has:
	(i) Sole power to vote or to direct the vote: 6494738
	(ii) Shared power to vote or to direct the vote: 0
	(iii) Sole power to dispose or to direct the disposition of: 6636810
	(iv) Shared power to dispose or to direct the disposition of: 0
Item 5.	Ownership of 5 Percent or Less of a Class.
	Not Applicable
Item 6.	Ownership of more than 5 Percent on Behalf of Another Person.
	If any other person is known to have the right to receive or the power to direct the receipt of dividends from, or the proceeds from the sale of, such securities, a statement to that effect should be included in response to this item and, if such interest relates to more than 5 percent of the class, such person should be identified. A listing of the shareholders of an investment company registered under the Investment Company Act of 1940 or the beneficiaries of employee benefit plan, pension fund or endowment fund is not required. Various persons have the right to receive or the power to direct the receipt of dividends from, or the proceeds from the sale of the common stock of CENTURI HOLDINGS INC. No one person's interest in the common stock of CENTURI HOLDINGS INC is more than five percent of the total outstanding common shares.
Item 7.	Identification and Classification of the Subsidiary Which Acquired the Security Being Reported on by the Parent Holding Company or Control Person.
	If a parent holding company has filed this schedule, pursuant to Rule 13d-1(b)(ii)(G), so indicate under Item 3(g) and attach an exhibit stating the identity and the Item 3 classification of the relevant subsidiary. If a parent holding company has filed this schedule pursuant to Rule 13d-1(c) or Rule 13d-1(d), attach an exhibit stating the identification of the relevant subsidiary. See Exhibit 99
Item 8.	Identification and Classification of Members of the Group.
	Not Applicable
Item 9.	Notice of Dissolution of Group.
	Not Applicable

Item 10.

Certifications:

By signing below I certify that, to the best of my knowledge and belief, the securities referred to above were acquired and are held in the ordinary course of business and were not acquired and are not held for the purpose of or with the effect of changing or influencing the control of the issuer of the securities and were not acquired and are not held in connection with or as a participant in any transaction having that purpose or effect, other than activities solely in connection with a nomination under § 240.14a-11.

SIGNATURE

After reasonable inquiry and to the best of my knowledge and belief, I certify that the information set forth in this statement is true, complete and correct.

BlackRock, Inc.

Signature:	Spencer Fleming
Name/Title:	Managing Director
Date:	07/27/2026

Exhibit Information

Exhibit 24: Power of Attorney Exhibit 99: Item 7