BlackRock (NYSE: OTEX) reports 20.67M shares — 8.2% stake disclosed

Rhea-AI Filing Summary

BlackRock, Inc. filed Amendment No. 3 to a Schedule 13G/A reporting beneficial ownership of 20,666,069 shares of Open Text Corporation common stock, representing 8.2%. The filing lists 19,828,650 shares as sole voting power and 20,666,069 shares as sole dispositive power as shown for the reporting period 03/31/2026. The cover and Item 4 identify the reporting entities as certain business units of BlackRock, Inc. and note that other BlackRock business units are excluded under SEC Release No. 34-39538.

Insights

Institutional Ownership Analyst

BlackRock reports an 8.2% stake in Open Text, with sole voting and dispositive control.

BlackRock's filing lists 20,666,069 shares beneficially owned as of 03/31/2026, a 8.2% position in Open Text common stock. The report attributes ownership to specific Reporting Business Units rather than other BlackRock divisions, consistent with Release No. 34-39538.

Changes in institutional stakes are visible in subsequent filings; future amendments will show movement if positions change. Timing for any additional disclosures depends on transactions by the reporting units.

Corporate Governance Specialist

The filing clarifies voting and dispositive authority, useful for governance tracking.

Item 4 shows 19,828,650 shares with sole voting power and 20,666,069 shares with sole dispositive power. This distinction matters for shareholder vote expectation and proxy-season monitoring.

Board watchers may note the size of the holding (8.2%); any proxy-related activity would be revealed in later Section 13 filings or public statements.

Key Figures

Beneficial ownership: 20,666,069 shares Percent of class: 8.2% Sole voting power: 19,828,650 shares +1 more

4 metrics

Beneficial ownership 20,666,069 shares Reported in Item 4 (Schedule 13G/A)

Percent of class 8.2% Percent of outstanding common stock (Item 4)

Sole voting power 19,828,650 shares Number with sole power to vote (Item 4)

Sole dispositive power 20,666,069 shares Number with sole power to dispose (Item 4)

Key Terms

Schedule 13G/A, Beneficially owned, Sole dispositive power

3 terms

Schedule 13G/A regulatory

"Amendment No. 3 to 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

"Amount beneficially owned: 20666069 (b) Percent of class: 8.2 %"

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 regulatory

"Sole power to dispose or to direct the disposition of: 20666069"

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.

SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

SCHEDULE 13G

UNDER THE SECURITIES EXCHANGE ACT OF 1934

(Amendment No. 3)

Open Text Corporation

(Name of Issuer)

Common Stock

(Title of Class of Securities)

683715106

(CUSIP Number)

03/31/2026

(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): 683715106

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 19,828,650.00
6	Shared Voting Power 0.00
7	Sole Dispositive Power 20,666,069.00
8	Shared Dispositive Power 0.00

9

Aggregate Amount Beneficially Owned by Each Reporting Person

20,666,069.00

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)

8.2 %

12

Type of Reporting Person (See Instructions)

HC

SCHEDULE 13G

Item 1.
(a)	Name of issuer: Open Text Corporation
(b)	Address of issuer's principal executive offices: 275 Frank Tompa Drive Waterloo Canada N2L 0A1
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.: 683715106
Item 4.	Ownership
(a)	Amount beneficially owned: 20666069
(b)	Percent of class: 8.2 %
(c)	Number of shares as to which the person has:
	(i) Sole power to vote or to direct the vote: 19828650
	(ii) Shared power to vote or to direct the vote: 0
	(iii) Sole power to dispose or to direct the disposition of: 20666069
	(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 Open Text Corporation. No one person's interest in the common stock of Open Text Corporation 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:	04/24/2026

Exhibit Information

Exhibit 24: Power of Attorney Exhibit 99: Item 7

FAQ

What stake does BlackRock report in Open Text (OTEX)?

BlackRock reports beneficial ownership of 20,666,069 shares, or 8.2%. The Schedule 13G/A lists 20,666,069 shares beneficially owned as of 03/31/2026, with 19,828,650 shares carrying sole voting power.

Does BlackRock control voting for those Open Text shares?

Yes; the filing shows sole voting power for 19,828,650 shares. Item 4 reports 19,828,650 shares as sole voting power and 0 as shared voting power in the amendment.

Are these shares held by all BlackRock units or specific business units?

The filing attributes holdings to certain Reporting Business Units of BlackRock, Inc. It states the schedule reflects securities held by specified business units and excludes other BlackRock units per SEC Release No. 34-39538.

When was the ownership position reported?

The position is reported for the period ending 03/31/2026. The top of the filing shows the date 03/31/2026 and Item 4 lists the beneficial ownership amount alongside that reporting period.

Who signed the amended Schedule 13G/A for BlackRock?

The filing was signed by Spencer Fleming, Managing Director. The signature block shows Spencer Fleming with the title Managing Director and the signature date 04/24/2026.