PEAK6 LLC

Position in BIRK — Birkenstock Holding plc

CIK 1389958 AUSTIN, TX

Back to BIRK Full portfolio

Position in BIRK

as of Jun 30, 2026 · filed Aug 13, 2026 Compact

Position Value

-$204,892 QoQ

Shares Held

-100.0% QoQ

Ownership

0.000%

of shares outstanding

% of Portfolio

0.00%

of 13F equity value

Holder Rank

—

not a current holder

Holding Since

Jun 2025

3 quarters on record

Common Shares in BIRK Over Time

Shares Held

Position Value (USD)

Derivatives in BIRK

reported options exposure · as of Jun 30, 2026

CallValue

$1,135,992

CallShares

26,400

PutValue

PutShares

Notional value of option positions as reported on Form 13F. Calls and puts are disclosed separately and do not net against the common-share stake above.

Position in Footwear & Accessories

Consumer Cyclical · as of Jun 30, 2026

PEAK6 LLC holds $6,784,950 across 3 Footwear & Accessories names.

#	Ticker	Company	Shares	Value (USD)
1	NKE	NIKE, Inc.	130,810	$5,369,750
2	ONON	On Holding AG	26,040	$922,336
3	SHOO	Steven Madden, Ltd.	11,707	$492,864

All Filings in BIRK

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6 filing rows on record

Report Date	Value (USD)	Shares	Change	Type	Discretion	Filed
2026-06-30	$1,135,992	26,400	+3200.0%	Call	Defined	2026-08-13
2025-09-30	$36,200	800	—	Call	Defined	2026-03-31
2025-09-30	$204,892	4,528	-15.1%	Shares	Defined	2026-03-31
2025-09-30	$13,575	300	-62.5%	Put	Defined	2026-03-31
2025-06-30	$262,178	5,331	—	Shares	Defined	2026-03-26
2025-06-30	$39,344	800	—	Put	Defined	2026-03-26
No filing history on record for this holder in this stock.