Major Birkenstock (NYSE: BIRK) holder buys $117.8M in shares, now at 9.1%

Rhea-AI Filing Summary

Birkenstock Holding plc’s major shareholder group led by CB Beteiligungs GmbH & Co. KG has updated its ownership disclosure. On February 27, 2026, CB Beteiligungs GmbH & Co. KG purchased 2,805,035 ordinary shares for a total of $117,800,000 using personal funds.

Following this purchase, the reporting persons collectively report beneficial ownership of 16,763,510 ordinary shares, representing 9.1% of Birkenstock’s ordinary shares, based on 183,906,056 shares outstanding as of September 30, 2025. Control over voting and disposition of these shares ultimately resides with CB Christian Birkenstock Stiftung, a Liechtenstein trust.

SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

SCHEDULE 13D

Under the Securities Exchange Act of 1934

(Amendment No. 1)

Birkenstock Holding plc

(Name of Issuer)

Ordinary shares, no par value

(Title of Class of Securities)

M2029K104

(CUSIP Number)

CB Beteiligungs GmbH & Co. KG
Burg Ockenfels,
Linz, 2M, 53545
49 2683 9359 1592

(Name, Address and Telephone Number of Person Authorized to Receive Notices and Communications)

02/27/2026

(Date of Event Which Requires Filing of This Statement)

If the filing person has previously filed a statement on Schedule 13G to report the acquisition that is the subject of this Schedule 13D, and is filing this schedule because of §§ 240.13d-1(e), 240.13d-1(f) or 240.13d-1(g), check the following box.

The information required on the remainder of this cover page shall not be deemed to be "filed" for the purpose of Section 18 of the Securities Exchange Act of 1934 ("Act") or otherwise subject to the liabilities of that section of the Act but shall be subject to all other provisions of the Act (however, see the Notes).

SCHEDULE 13D

CUSIP No. M2029K104

1

Name of reporting person

CB Beteiligungs GmbH & Co. KG

2

Check the appropriate box if a member of a Group (See Instructions)

(a)
(b)

3

SEC use only

4

Source of funds (See Instructions)

WC

5

Check if disclosure of legal proceedings is required pursuant to Items 2(d) or 2(e)

6

Citizenship or place of organization

GERMANY

Number of Shares Beneficially Owned by Each Reporting Person With:

7	Sole Voting Power 16,763,510.00
8	Shared Voting Power 0.00
9	Sole Dispositive Power 16,763,510.00
10	Shared Dispositive Power 0.00

11

Aggregate amount beneficially owned by each reporting person

16,763,510.00

12

Check if the aggregate amount in Row (11) excludes certain shares (See Instructions)

13

Percent of class represented by amount in Row (11)

9.1 %

14

Type of Reporting Person (See Instructions)

PN

SCHEDULE 13D

CUSIP No. M2029K104

1

Name of reporting person

CB Verwaltungs GmbH

2

Check the appropriate box if a member of a Group (See Instructions)

(a)
(b)

3

SEC use only

4

Source of funds (See Instructions)

WC

5

Check if disclosure of legal proceedings is required pursuant to Items 2(d) or 2(e)

6

Citizenship or place of organization

GERMANY

Number of Shares Beneficially Owned by Each Reporting Person With:

7	Sole Voting Power 16,763,510.00
8	Shared Voting Power 0.00
9	Sole Dispositive Power 16,763,510.00
10	Shared Dispositive Power 0.00

11

Aggregate amount beneficially owned by each reporting person

16,763,510.00

12

Check if the aggregate amount in Row (11) excludes certain shares (See Instructions)

13

Percent of class represented by amount in Row (11)

9.1 %

14

Type of Reporting Person (See Instructions)

CO

SCHEDULE 13D

CUSIP No. M2029K104

1

Name of reporting person

CB Christian Birkenstock Stiftung

2

Check the appropriate box if a member of a Group (See Instructions)

(a)
(b)

3

SEC use only

4

Source of funds (See Instructions)

WC

5

Check if disclosure of legal proceedings is required pursuant to Items 2(d) or 2(e)

6

Citizenship or place of organization

LIECHTENSTEIN

Number of Shares Beneficially Owned by Each Reporting Person With:

7	Sole Voting Power 16,763,510.00
8	Shared Voting Power 0.00
9	Sole Dispositive Power 16,763,510.00
10	Shared Dispositive Power 0.00

11

Aggregate amount beneficially owned by each reporting person

16,763,510.00

12

Check if the aggregate amount in Row (11) excludes certain shares (See Instructions)

13

Percent of class represented by amount in Row (11)

9.1 %

14

Type of Reporting Person (See Instructions)

HC, OO

SCHEDULE 13D

Item 1.	Security and Issuer
(a)	Title of Class of Securities: Ordinary shares, no par value
(b)	Name of Issuer: Birkenstock Holding plc
(c)	Address of Issuer's Principal Executive Offices: 1-2 BERKELEY SQUARE, LONDON, UNITED KINGDOM , W1J 6EA.
Item 1 Comment: This Amendment No. 1 to Schedule 13D (this "Amendment") amends and supplements the Schedule 13D filed with the Securities and Exchange Commission on January 26, 2026 (the "Schedule 13D") by the Reporting Persons. Except as provided herein, this Amendment No. 1 does not modify any of the information previously reported in Schedule 13D. Each capitalized term used and not defined herein shall have the meaning ascribed to it in Schedule 13D. Items 3, 4, 5, 6 and 7 of the Schedule 13D are hereby amended and supplemented as follows:
Item 3.	Source and Amount of Funds or Other Consideration
	The information set forth in Item 4 is hereby incorporated by reference in this Item 3.
Item 4.	Purpose of Transaction
	On February 27, 2026, CBB purchased an aggregate amount of 2,805,035 Issuer Shares for an aggregate purchase price of $117,800,000. The Shares were purchased using the Reporting Person's personal funds. From time to time, the Reporting Persons may acquire additional Issuer Shares or determine to dispose of Issuer Shares beneficially owned by them. The Reporting Persons intend to review their investment in the Issuer on a continuing basis and, upon further developments, including the ongoing evaluation of the Issuer's business, financial condition, operating results and prospects, other investment and business opportunities available to them, general stock market and economic conditions, tax considerations, the attitudes and actions of the Board and management of the Issuer, the availability and nature of opportunities to dispose of securities of the Issuer and other plans and requirements of the Reporting Persons, may change their investment in the Issuer. Furthermore, the Reporting Persons may discuss items of mutual interest with the Issuer's management and other investors, which could include items in subparagraphs (a) through (j) of Item 4 Schedule 13D. Except as otherwise described herein, the Reporting Persons have no present plans or proposals that relate to or would result in any of the matters enumerated in Item 4(a)-(j) of Schedule 13D.
Item 5.	Interest in Securities of the Issuer
(a)	The disclosures in the Reporting Persons pages and in Item 4 are incorporated by reference herein. The percentages used in this Amendment are calculated based upon 183,906,056 Issuer Shares outstanding as of September 30, 2025.
(b)	CBB is a partnership of which Mr. Reichert, the Chief Executive Officer and a Director of the Issuer, is the managing director and of which CB Verwaltungs GmbH is the general partner. Mr. Reichert is also managing director of CB Verwaltungs GmbH. The sole shareholder of CB Verwaltungs GmbH is CB Birkenstock Stiftung, which is a trust managed by three trustees that exercise investment and voting power over the Issuer Shares directly held by CBB. As a result, CB Birkenstock Stiftung has sole power to vote, and sole power to dispose of, all of the 16,763,510 Issuer Shares directly held by CBB. Mr. Reichert directly holds 1,361,273 Issuer Shares, which are excluded from this Amendment as Mr. Reichert is not a member of a group with the Reporting Persons. In addition, Mr. Reichert has a contractual subparticipation equal to 10% of the Issuer Shares directly held by CBB and reported on this Amendment, however Mr. Reichert disclaims beneficial ownership of the Issuer Shares held by CBB, except to the extent of his pecuniary interest therein.
(c)	Except as described in Item 4 above, the Reporting Persons have not effected any transactions in the ordinary shares of the Issuer during the 60 days preceding the date of this filing.
(d)	Not applicable
(e)	Not applicable
Item 6.	Contracts, Arrangements, Understandings or Relationships With Respect to Securities of the Issuer
	The information set forth in Item 4 of this Amendment is hereby incorporated by reference into this Item 6.
Item 7.	Material to be Filed as Exhibits.
	Exhibit Description 99.1 Joint Filing Agreement, dated February 27, 2026, by and between the Reporting Persons.

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.

CB Beteiligungs GmbH & Co. KG

Signature:	/s/ Oliver Reichert
Name/Title:	Oliver Reichert/Managing Director
Date:	02/27/2026

CB Verwaltungs GmbH

Signature:	/s/ Oliver Reichert
Name/Title:	Oliver Reichert/Managing Director
Date:	02/27/2026

CB Christian Birkenstock Stiftung

Signature:	/s/ Oliver Reichert
Name/Title:	Oliver Reichert/Trustee
Date:	02/27/2026

Comments accompanying signature:

CB Verwaltungs GmbH is the general partner of CB Beteiligungs GmbH & Co. KG

FAQ

What change in ownership does this Schedule 13D/A report for Birkenstock (BIRK)?

The filing reports that CB Beteiligungs GmbH & Co. KG bought 2,805,035 Birkenstock ordinary shares for $117,800,000. After this transaction, the reporting group beneficially owns 16,763,510 shares, representing 9.1% of Birkenstock’s ordinary shares outstanding as of September 30, 2025.

How many Birkenstock (BIRK) shares are now beneficially owned by the reporting persons?

The reporting persons state beneficial ownership of 16,763,510 ordinary shares of Birkenstock. This stake corresponds to 9.1% of the company’s ordinary shares, calculated using 183,906,056 shares outstanding as of September 30, 2025, as disclosed in the filing.

Who ultimately controls the Birkenstock (BIRK) shares held by CB Beteiligungs GmbH & Co. KG?

The filing explains that CB Beteiligungs GmbH & Co. KG is controlled through CB Verwaltungs GmbH and CB Christian Birkenstock Stiftung. The Liechtenstein trust, CB Christian Birkenstock Stiftung, through its trustees, has sole voting and sole dispositive power over the 16,763,510 Birkenstock shares held by CBB.

What role does Birkenstock’s CEO Oliver Reichert have in the reported ownership?

Oliver Reichert is managing director of CB Beteiligungs GmbH & Co. KG and CB Verwaltungs GmbH. He directly holds 1,361,273 Birkenstock shares, which are excluded from this group filing. He also has a 10% contractual subparticipation in CBB’s shares but disclaims beneficial ownership beyond his pecuniary interest.

How was the recent Birkenstock (BIRK) share purchase by CBB funded?

On February 27, 2026, CB Beteiligungs GmbH & Co. KG purchased 2,805,035 Birkenstock ordinary shares for an aggregate price of $117,800,000. The document states these shares were acquired using the reporting person’s personal funds, not external financing arrangements.

Do the reporting persons plan further transactions in Birkenstock (BIRK) shares?

The reporting persons state they may buy more Birkenstock shares or sell some of their holdings over time. They will review their investment based on Birkenstock’s business performance, market conditions, tax considerations, and interactions with the company’s board and management.