Jim Simons
BIRK icon

Jim Simons’s Birkenstock BIRK Stock Holding History

Jim Simons’s Portfolio BIRK Stock Details BIRK Fund Activity
Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake 		Trade Value Portfolio Weight Portfolio Position
2026
Q1 		– Sell
-411,300
Closed -$16.8M – 3263
2025
Q4 		$16.8M Buy
411,300
+130,200
+46% +$5.51M 0.03% 682
2025
Q3 		$12.7M Buy
281,100
+110,600
+65% +$5.41M 0.02% 968
2025
Q2 		$8.39M Sell
170,500
-102,500
-38% -$5.27M 0.01% 1180
2025
Q1 		$12.5M Sell
273,000
-279,500
-51% -$14.7M 0.02% 887
2024
Q4 		$31.3M Buy
552,500
+46,882
+9% +$2.38M 0.05% 468
2024
Q3 		$24.9M Buy
505,618
+381,618
+308% +$20.8M 0.04% 569
2024
Q2 		$6.75M Buy
124,000
+69,800
+129% +$3.46M 0.01% 1128
2024
Q1 		$2.56M Buy
+54,200
New +$2.59M ﹤0.01% 1861

Other funds holding BIRK

CMC
Catterton Management Company Greenwich, Connecticut $4.33B AUM 14.37% 1-Year Est. Return
T. Rowe Price Investment Management
T. Rowe Price Investment Management Baltimore, Maryland $145B AUM 22.78% 1-Year Est. Return
BAMCO Inc
BAMCO Inc New York $33.1B AUM 11.16% 1-Year Est. Return
Fidelity Investments
Fidelity Investments Boston, Massachusetts $1.9T AUM 41.92% 1-Year Est. Return
Dimensional Fund Advisors
Dimensional Fund Advisors Austin, Texas $552B AUM 44.19% 1-Year Est. Return
Massachusetts Financial Services
Massachusetts Financial Services Boston, Massachusetts $315B AUM 27.84% 1-Year Est. Return
William Blair Investment Management
William Blair Investment Management Chicago, Illinois $33.3B AUM 44.76% 1-Year Est. Return
Morgan Stanley
Morgan Stanley New York $1.66T AUM 25.57% 1-Year Est. Return
Westfield Capital Management
Westfield Capital Management Boston, Massachusetts $23.8B AUM 49.45% 1-Year Est. Return
UBS Group
UBS Group Zurich, Switzerland $666B AUM 30.12% 1-Year Est. Return

Jim Simons's BIRK Position: Q1 2026 in Review

Jim Simons sold out of Birkenstock (BIRK) in Q1 2026, closing a stake of 411,300 shares — an estimated $16.8M sold.

Jim Simons first reported a position in BIRK in Q1 2024 and held it in 8 quarters. The position peaked at $31.3M in Q4 2024. 228 funds tracked by Wall St. Rank hold BIRK as of Q1 2026.

  • Jim Simons reported no remaining Birkenstock position as of Q1 2026 after selling out during the quarter.
  • Jim Simons sold 411,300 Birkenstock shares in Q1 2026, an estimated $16.8M.
  • Jim Simons first reported a position in Birkenstock in Q1 2024 and held it in 8 quarters.
  • Jim Simons's Birkenstock position peaked at $31.3M in Q4 2024.
  • 228 funds tracked by Wall St. Rank held Birkenstock as of Q1 2026.

Based on Renaissance Technologies's 13F filing for Q1 2026, filed 14 May 2026.