Magnetar Financial’s Birkenstock BIRK Stock Holding History

Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake
Trade Value Portfolio Weight Portfolio Position
2025
Q4
Sell
-55,842
Closed -$2.53M 951
2025
Q3
$2.53M Buy
55,842
+45,459
+438% +$2.22M 0.02% 331
2025
Q2
$511K Sell
10,383
-12,974
-56% -$667K ﹤0.01% 550
2025
Q1
$1.07M Buy
23,357
+12,639
+118% +$666K 0.01% 332
2024
Q4
$607K Buy
+10,718
New +$544K 0.01% 344

Other funds holding BIRK

Magnetar Financial's BIRK Position: Q4 2025 in Review

Magnetar Financial sold out of Birkenstock (BIRK) in Q4 2025, closing a stake of 55,842 shares — an estimated $2.53M sold.

Magnetar Financial first reported a position in BIRK in Q4 2024 and held it in 4 quarters. The position peaked at $2.53M in Q3 2025. 253 funds tracked by Wall St. Rank hold BIRK as of Q4 2025.

  • Magnetar Financial reported no remaining Birkenstock position as of Q4 2025 after selling out during the quarter.
  • Magnetar Financial sold 55,842 Birkenstock shares in Q4 2025, an estimated $2.53M.
  • Magnetar Financial first reported a position in Birkenstock in Q4 2024 and held it in 4 quarters.
  • Magnetar Financial's Birkenstock position peaked at $2.53M in Q3 2025.
  • 253 funds tracked by Wall St. Rank held Birkenstock as of Q4 2025.

Based on Magnetar Financial's 13F filing for Q4 2025, filed 17 Feb 2026.