Westfield Capital Management’s Birkenstock BIRK Stock Holding History

Westfield Capital Management’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	$84.6M	Sell	1,967,122 -371,657	-16%	-$15M	0.28%	102
2026 Q1	$83.8M	Buy	2,338,779 +383,978	+20%	+$15M	0.35%	91
2025 Q4	$80M	Sell	1,954,801 -299,692	-13%	-$12.7M	0.33%	100
2025 Q3	$102M	Buy	2,254,493 +577,543	+34%	+$28.3M	0.43%	63
2025 Q2	$82.5M	Buy	1,676,950 +104,265	+7%	+$5.36M	0.35%	85
2025 Q1	$72.1M	Buy	+1,572,685	New	+$82.8M	0.35%	85

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

Westfield Capital Management's BIRK Position: Q2 2026 in Review

Westfield Capital Management reduced its Birkenstock (BIRK) stake by 16% in Q2 2026, selling an estimated $15M and leaving 1,967,122 shares worth $84.6M. The position accounts for 0.28% of the portfolio, ranked #102.

Westfield Capital Management first reported a position in BIRK in Q1 2025 and has held it in 6 quarters since. The position peaked at $102M in Q3 2025. 235 funds tracked by Wall St. Rank hold BIRK as of Q2 2026.

Westfield Capital Management held 1,967,122 shares of Birkenstock worth $84.6M as of Q2 2026.
Westfield Capital Management sold 371,657 Birkenstock shares in Q2 2026, an estimated $15M.
Birkenstock made up 0.28% of Westfield Capital Management's portfolio in Q2 2026, its #102 holding.
Westfield Capital Management first reported a position in Birkenstock in Q1 2025 and has held it in 6 quarters since.
Westfield Capital Management's Birkenstock position peaked at $102M in Q3 2025.
235 funds tracked by Wall St. Rank held Birkenstock as of Q2 2026.

Based on Westfield Capital Management's 13F filing for Q2 2026, filed 12 Aug 2026.