Birkenstock Holding plc
US ˙ NYSE ˙ JE00BS44BN30

SecurityBIRK / Birkenstock Holding plc
InstitutionState Street Corp
Latest Disclosed Ownership562,884 shares
Latest Disclosed Value $ 20,168,134
State Street Corp reports 3.13% decrease in ownership of BIRK / Birkenstock Holding plc

On May 15, 2026 - State Street Corp filed a 13F-HR form disclosing ownership of 562,884 shares of Birkenstock Holding plc (US:BIRK) valued at $20,168,134 USD as of March 31, 2026. The entity filed a previous 13F-HR on February 13, 2026 disclosing 581,055 shares of Birkenstock Holding plc. This represents a change in shares of -3.13% during the quarter. The current value of the position is $23,759,334 USD.

Institutional Ownership: 13F and NPORT Filings

The Security and Class in the table below are shown exactly as filed by the investor. We do our best to track continuity of investments through acquisitions, and this will be reflected in the table as changes in names. In addition to descriptive data, performance of the investment is shown over time. To calculate quarterly performance, we first calculate cost basis of the shares purchased during the quarter, then use that to calculate gross profit. Quarterly return is Gross Profit / Starting Portfolio value.

Note that cost basis is calculated and stored in thousands, so small quarterly changes in shares frequently result in a cost basis of zero.

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Disclosed Equity Positions (from 13F/NPORT Filings)
File
Date		 Effective
Date		Form Security Class ID Avg Price
Paid (Est)		 Reported
Shares		 ΔShares ΔShares
(%)		 Reported
Value
(x1000)		 ΔValue
(%)		 Alloc
(%)		 ΔAlloc ΔAlloc (%) Cost Basis
(x1000)		 Unrealized
Gain/Loss
(x1000)
2026-05-15 2026-03-31 13F BIRKENSTOCK HOLDING COM SHS M2029K104 562,884 -18,171 -3.13 20,168 -15.14 0.0007
2026-02-13 2025-12-31 13F BIRKENSTOCK HOLDING COM SHS M2029K104 581,055 3,504 0.61 23,765 -9.06 0.0008
2025-11-14 2025-09-30 13F BIRKENSTOCK HOLDING COM SHS M2029K104 577,551 -9,549 -1.63 26,134 -9.49 0.0009
2025-08-14 2025-06-30 13F BIRKENSTOCK HOLDING COM SHS M2029K104 587,100 156,570 36.37 28,874 46.27 0.0011
2025-05-15 2025-03-31 13F BIRKENSTOCK HOLDING COM SHS M2029K104 430,530 16,774 4.05 19,740 -15.80 0.0008
2025-02-14 2024-12-31 13F BIRKENSTOCK HOLDING COM SHS M2029K104 413,756 10,857 2.69 23,443 18.05 0.0009
2024-11-14 2024-09-30 13F BIRKENSTOCK HOLDING COM SHS M2029K104 402,899 133,212 49.40 19,859 35.34 0.0008
2024-08-14 2024-06-30 13F BIRKENSTOCK HOLDING COM SHS M2029K104 269,687 971 0.36 14,674 15.57 0.0006
2024-05-15 2024-03-31 13F BIRKENSTOCK HOLDING COM SHS M2029K104 268,716 65,830 32.45 12,697 28.42 0.0006
2024-02-14 2023-12-31 13F BIRKENSTOCK HOLDING COM SHS M2029K104 202,886 202,886 9,887 0.0005
Legend
Shares
The total number of shares held by the institution at the end of the reporting period (the effective date). This is provided in the filing.
Value
The total value of the shares as of the effective date. This is provided in the filing.
Avg. Share Price
The weighted average share price of the shares held by the institution. We use FIFO accounting to determine this price
Class
This is the security class as indicated by the filer. There are a variety of values for this field. Common values include "EC" = equity common, "EP" - equity preferred
Allocation (%)
The percent of the institution's portfolio that this position represents. This is provided in NPORT filings. For 13F filings, we calculate it.
Change in Allocation
The change in allocation from the prior reporting period. This is calculated as current allocation - prior allocation.
Change in Allocation (%)
The percent change in allocation from the prior reporting period. This is calculated as (current allocation - prior allocation) / prior allocation.
Cost Basis
The total cost of the shares held. This is calculated as reported shares * avg. share price
Unrealized Gain/Loss
This is the market value of the position as of the effective date minus the cost basis.