Mar 31, 2026 filings. Quarterly 13F reports arrive up to 45 days after quarter end; this register is filed through May 29, 2026.
221 institutional managers reported holding BIRK for the quarter ended Mar 31, 2026. Together they hold about 95% of shares outstanding; the top 10 hold 78%. 41 opened new positions; 73 closed out. Complete ranked register from SEC 13F filings.
| manager | shares | % out | value (Mar 31, 2026 close) | change | held since |
|---|---|---|---|---|---|
| Catterton Management Company, L.l.c. (focused) | 99.42M | 54.06% | $3.56B | trimmed -13.4% | 2023 Q4 |
| T. Rowe Price Investment Management, INC. | 11.82M | 6.43% | $423.7M | added +89% | 2023 Q4 |
| Bamco INC /NY/ | 9.37M | 5.09% | $335.8M | added +17.6% | 2023 Q4 |
| FMR (Fidelity) | 5.04M | 2.74% | $180.9M | added +41.8% | 2023 Q4 |
| Dimensional Fund Advisors | 4.05M | 2.20% | $145.2M | added +30.9% | 2024 Q1 |
| MFS Investment Management | 3.18M | 1.73% | $114.0M | added +216.5% | 2025 Q4 |
| UBS | 2.79M | 1.52% | $100.1M | added +193.4% | 2023 Q4 |
| William Blair Investment Management, LLC | 2.58M | 1.40% | $92.3M | opened | 2026 Q1 |
| Morgan Stanley | 2.50M | 1.36% | $89.8M | trimmed -10.5% | 2023 Q4 |
| Westfield Capital Management CO LP | 2.34M | 1.27% | $83.8M | added +19.6% | 2025 Q1 |
| T. Rowe Price | 1.98M | 1.08% | $70.9M | trimmed -32.9% | 2023 Q4 |
| Point72 | 1.90M | 1.03% | $68.2M | trimmed -32.1% | 2024 Q1 |
| Swedbank Robur | 1.60M | 0.87% | $57.4M | added +6.7% | 2025 Q2 |
| American Century Companies INC | 1.56M | 0.85% | $56.0M | added +47.6% | 2025 Q2 |
| CPP Investment Board | 1.51M | 0.82% | $54.2M | added +12.6% | 2024 Q3 |
| Anomaly Capital Management, LP (focused) | 1.42M | 0.77% | $50.7M | opened | 2026 Q1 |
| Federated Hermes, INC. | 1.11M | 0.61% | $39.9M | trimmed -18.6% | 2023 Q4 |
| BlackRock | 1.03M | 0.56% | $37.0M | trimmed -14.1% | 2023 Q4 |
| Goldman Sachs | 887.3k | 0.48% | $31.8M | added +31.6% | 2023 Q4 |
| Freestone Grove Partners LP | 865.4k | 0.47% | $31.0M | opened | 2026 Q1 |
| Artisan Partners | 857.3k | 0.47% | $30.7M | trimmed -2.5% | 2025 Q1 |
| Citadel Advisors | 799.4k | 0.43% | $28.7M | added +313.3% | 2023 Q4 |
| Hook Mill Capital Partners, LP (focused) | 771.3k | 0.42% | $27.7M | added +3.6% | 2025 Q2 |
| Bank OF America CORP /DE/ | 765.2k | 0.42% | $27.4M | trimmed -46.5% | 2023 Q4 |
| Balyasny Asset Management | 722.7k | 0.39% | $25.9M | added +37.6% | 2023 Q4 |
| Healthcare OF Ontario Pension Plan Trust Fund | 700.0k | 0.38% | $25.1M | trimmed -36.4% | 2023 Q4 |
| TD Asset Management INC | 696.2k | 0.38% | $25.0M | trimmed -3.4% | 2024 Q1 |
| BNP Paribas Financial Markets | 662.2k | 0.36% | $23.7M | added +63.2% | 2024 Q1 |
| Riposte Capital LLC (focused) | 600.0k | 0.33% | $21.5M | added +179.6% | 2025 Q1 |
| PRIMECAP Management | 597.2k | 0.33% | $21.4M | added +54.4% | 2025 Q4 |
| Rice Hall James & Associates, LLC | 590.4k | 0.32% | $21.2M | added +26.5% | 2025 Q4 |
| State Street | 562.9k | 0.31% | $20.2M | trimmed -3.1% | 2023 Q4 |
| Principal Financial Group INC | 474.2k | 0.26% | $17.0M | trimmed -48.7% | 2024 Q2 |
| FIL LTD | 385.0k | 0.21% | $13.8M | added +530% | 2025 Q1 |
| Rheos Capital Works INC. | 350.0k | 0.19% | $12.5M | added +133.3% | 2025 Q4 |
| Woodline Partners LP | 339.4k | 0.18% | $12.2M | added +22.7% | 2024 Q2 |
| Potrero Capital Research LLC (focused) | 304.3k | 0.17% | $10.9M | opened | 2026 Q1 |
| Platinum Investment Management LTD | 275.0k | 0.15% | $9.9M | added +11.1% | 2024 Q3 |
| QVT Financial LP | 273.5k | 0.15% | $9.8M | opened | 2026 Q1 |
| Victory Capital Management INC | 257.8k | 0.14% | $9.2M | added +129% | 2024 Q2 |
| Scopus Asset Management, L.p. | 248.0k | 0.14% | $8.9M | trimmed -67.4% | 2025 Q4 |
| Omers Administration CORP | 246.4k | 0.13% | $8.8M | unchanged | 2024 Q2 |
| Geode Capital | 240.4k | 0.13% | $8.6M | trimmed -18.9% | 2023 Q4 |
| Citigroup INC | 238.7k | 0.13% | $8.6M | added +746.3% | 2023 Q4 |
| Franklin Resources | 232.5k | 0.13% | $8.3M | trimmed -41.1% | 2025 Q3 |
| Pier Capital, LLC | 220.2k | 0.12% | $7.9M | opened | 2026 Q1 |
| Verition Fund Management | 209.1k | 0.11% | $7.5M | trimmed -45.6% | 2023 Q4 |
| Cullen/Frost Bankers, INC. | 201.4k | 0.11% | $7.2M | trimmed -6.4% | 2025 Q4 |
| Blue Grotto Capital, LLC (focused) | 200.0k | 0.11% | $7.2M | trimmed -38.8% | 2025 Q4 |
| NEW York State Common Retirement Fund | 191.0k | 0.10% | $6.8M | trimmed -2.6% | 2023 Q4 |
Largest 50 of 221 shown; the full ranked, searchable register is at boothcheck.com/holders/BIRK. Related filers are grouped using the filings' own included-manager declarations. Historically, several managers opening new positions in the same quarter said almost nothing about the quarter that followed (59,118 cases since 2013). A filed record, not a forecast. Nothing here is investment advice.