Mariner’s Birkenstock BIRK Stock Holding History

Mariner’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 Q2	$720K	Buy	+16,727	New	+$676K	﹤0.01%	2202
2026 Q1	–	Sell	-10,355	Closed	-$423K	–	3578
2025 Q4	$423K	Buy	10,355 +5,348	+107%	+$226K	﹤0.01%	2571
2025 Q3	$227K	Sell	5,007 -253	-5%	-$12.4K	﹤0.01%	3066
2025 Q2	$259K	Buy	+5,260	New	+$270K	﹤0.01%	2845

Other funds holding BIRK

CMC

Catterton Management Company Greenwich, Connecticut $4.33B AUM 14.37% 1-Year Est. Return

BAMCO Inc New York $66.6B AUM 7.35% 1-Year Est. Return

T. Rowe Price Investment Management Baltimore, Maryland $153B AUM 38.14% 1-Year Est. Return

Dimensional Fund Advisors Austin, Texas $552B AUM 44.19% 1-Year Est. Return

Massachusetts Financial Services Boston, Massachusetts $315B AUM 27.84% 1-Year Est. Return

William Blair Investment Management Chicago, Illinois $33.3B AUM 44.76% 1-Year Est. Return

Fidelity Investments Boston, Massachusetts $2.3T AUM 54.33% 1-Year Est. Return

UBS Group Zurich, Switzerland $786B AUM 40.34% 1-Year Est. Return

Norges Bank Oslo, Norway $1T AUM

Morgan Stanley New York $1.89T AUM 35.08% 1-Year Est. Return

Mariner's BIRK Position: Q2 2026 in Review

Mariner opened a new position in Birkenstock (BIRK) in Q2 2026: 16,727 shares worth $720K. The stake represents ﹤0.01% of the portfolio and ranks #2202 among its holdings. This is a return to the name: Mariner previously reported a position in BIRK as recently as Q4 2025.

Mariner first reported a position in BIRK in Q2 2025 and has held it in 4 quarters since. 236 funds tracked by Wall St. Rank hold BIRK as of Q2 2026.

Mariner held 16,727 shares of Birkenstock worth $720K as of Q2 2026.
Birkenstock was a new Mariner position in Q2 2026.
Birkenstock made up ﹤0.01% of Mariner's portfolio in Q2 2026, its #2202 holding.
Mariner first reported a position in Birkenstock in Q2 2025 and has held it in 4 quarters since.
236 funds tracked by Wall St. Rank held Birkenstock as of Q2 2026.

Based on Mariner's 13F filing for Q2 2026, filed 13 Aug 2026.