Optiver Holding’s Birkenstock BIRK Stock Holding History

Optiver Holding’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	-1	Closed	-$41	–	2347
2025 Q4	$41	Hold	1	–	–	﹤0.01%	2400
2025 Q3	$45	Buy	+1	New	+$49	﹤0.01%	2621

Other funds holding BIRK

CMC

Catterton Management Company Greenwich, Connecticut $3.61B AUM 21.02% 1-Year Est. Return

T. Rowe Price Investment Management Baltimore, Maryland $145B AUM 22.78% 1-Year Est. Return

BAMCO Inc New York $33.1B AUM 11.16% 1-Year Est. Return

Fidelity Investments Boston, Massachusetts $1.9T AUM 41.92% 1-Year Est. Return

Dimensional Fund Advisors Austin, Texas $481B AUM 30.42% 1-Year Est. Return

Massachusetts Financial Services Boston, Massachusetts $298B AUM 21.96% 1-Year Est. Return

William Blair Investment Management Chicago, Illinois $30.3B AUM 33.75% 1-Year Est. Return

Morgan Stanley New York $1.66T AUM 25.57% 1-Year Est. Return

Westfield Capital Management Boston, Massachusetts $23.8B AUM 49.45% 1-Year Est. Return

UBS Group Zurich, Switzerland $666B AUM 30.12% 1-Year Est. Return

Optiver Holding's BIRK Position: Q1 2026 in Review

Optiver Holding sold out of Birkenstock (BIRK) in Q1 2026, closing a stake of 1 share — an estimated $41 sold.

Optiver Holding first reported a position in BIRK in Q3 2025 and held it in 2 quarters. The position peaked at $45 in Q3 2025. 227 funds tracked by Wall St. Rank hold BIRK as of Q1 2026.

Optiver Holding reported no remaining Birkenstock position as of Q1 2026 after selling out during the quarter.
Optiver Holding sold 1 Birkenstock share in Q1 2026, an estimated $41.
Optiver Holding first reported a position in Birkenstock in Q3 2025 and held it in 2 quarters.
Optiver Holding's Birkenstock position peaked at $45 in Q3 2025.
227 funds tracked by Wall St. Rank held Birkenstock as of Q1 2026.

Based on Optiver Holding's 13F filing for Q1 2026, filed 15 May 2026.