Unisphere Establishment’s Birkenstock BIRK Stock Holding History

Unisphere Establishment’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	$5.1M	Sell	142,200 -129,000	-48%	-$5.03M	0.04%	48
2025 Q4	$11.1M	Buy	271,200 +33,000	+14%	+$1.4M	0.08%	43
2025 Q3	$10.8M	Buy	238,200 +110,700	+87%	+$5.42M	0.08%	42
2025 Q2	$6.27M	Buy	127,500 +8,900	+8%	+$457K	0.05%	56
2025 Q1	$5.44M	Sell	118,600 -16,400	-12%	-$864K	0.05%	56
2024 Q4	$7.65M	Buy	+135,000	New	+$6.85M	0.07%	48

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

Unisphere Establishment's BIRK Position: Q1 2026 in Review

Unisphere Establishment reduced its Birkenstock (BIRK) stake by 48% in Q1 2026, selling an estimated $5.03M and leaving 142,200 shares worth $5.1M. The position accounts for 0.04% of the portfolio, ranked #48.

Unisphere Establishment first reported a position in BIRK in Q4 2024 and has held it in 6 quarters since. The position peaked at $11.1M in Q4 2025. 227 funds tracked by Wall St. Rank hold BIRK as of Q1 2026.

Unisphere Establishment held 142,200 shares of Birkenstock worth $5.1M as of Q1 2026.
Unisphere Establishment sold 129,000 Birkenstock shares in Q1 2026, an estimated $5.03M.
Birkenstock made up 0.04% of Unisphere Establishment's portfolio in Q1 2026, its #48 holding.
Unisphere Establishment first reported a position in Birkenstock in Q4 2024 and has held it in 6 quarters since.
Unisphere Establishment's Birkenstock position peaked at $11.1M in Q4 2025.
227 funds tracked by Wall St. Rank held Birkenstock as of Q1 2026.

Based on Unisphere Establishment's 13F filing for Q1 2026, filed 14 May 2026.