Birkenstock
BIRK
228 hedge funds and large institutions have $6.23B invested in Birkenstock in 2026 Q1 according to their latest regulatory filings, with 45 funds opening new positions, 85 increasing their positions, 79 reducing their positions, and 66 closing their positions.
8% more repeat investments, than reductions
Existing positions increased: 85 | Existing positions reduced: 79
4% more call options, than puts
Call options by funds: $20.5M | Put options by funds: $19.6M
0% more funds holding in top 10
Funds holding in top 10: 4 → 4 (0)
6.36% less ownership
Funds ownership: 100.85% → 94.49% (-6.4%)
10% less funds holding
Funds holding: 253 → 228 (-25)
18% less capital invested
Capital invested by funds: $7.59B → $6.23B (-$1.36B)
32% less first-time investments, than exits
New positions opened: 45 | Existing positions closed: 66
Top Buyers
| Rank | Fund | Capital Flow |
|---|---|---|
| 1 |
William Blair Investment Management
Chicago,
Illinois
|
+$100M |
| 2 |
Massachusetts Financial Services
Boston,
Massachusetts
|
+$84.8M |
| 3 |
Fidelity Investments
Boston,
Massachusetts
|
+$58M |
| 4 |
ACM
Anomaly Capital Management
New York
|
+$55.2M |
| 5 |
BAMCO Inc
New York
|
+$54.6M |
Top Sellers
| Rank | Fund | Capital Flow |
|---|---|---|
| 1 |
CMC
Catterton Management Company
Greenwich,
Connecticut
|
-$597M |
| 2 |
Nuveen
Charlotte,
North Carolina
|
-$45.9M |
| 3 |
T. Rowe Price Associates
Baltimore,
Maryland
|
-$37.9M |
| 4 |
Point72 Asset Management
Stamford,
Connecticut
|
-$35M |
| 5 |
CCPM
Cooper Creek Partners Management
New York
|
-$30.4M |
BIRK Hedge Fund Activity: Q1 2026 in Review
228 of the 8,187 institutional investors tracked by Wall St. Rank reported a position in Birkenstock (BIRK) for Q1 2026, worth a combined $6.23B — down 18% from $7.59B a quarter earlier.
Sellers outnumbered buyers: 66 funds closed out of BIRK and 45 opened new positions — a net loss of 21 holders — while 79 trimmed existing stakes and 85 added.
The largest buyer was William Blair Investment Management, opening a new position worth an estimated $100M. The largest seller was Catterton Management Company, cutting an estimated $597M.
- 228 institutional investors held Birkenstock (BIRK) as of Q1 2026, down from 253 in Q4 2025.
- Funds reported $6.23B of Birkenstock stock for Q1 2026, down 18% quarter-over-quarter.
- 45 funds opened new Birkenstock positions in Q1 2026 and 66 closed out, a net change of -21 holders.
- The largest Birkenstock buyer in Q1 2026 was William Blair Investment Management, an estimated $100M added.
- The largest Birkenstock seller in Q1 2026 was Catterton Management Company, an estimated $597M sold.
Based on aggregated 13F filings for Q1 2026.