Atika Capital Management LLC

Position in CRL — Charles River Laboratories International, Inc.

CIK 1599731 NEW YORK, NY

Position in CRL

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

Position Value

$8,618,019

New position

Shares Held

38,000

first reported quarter

Ownership

0.080%

of shares outstanding

% of Portfolio

0.86%

of 13F equity value

Holder Rank

#107

of 564 holders

Holding Since

Jun 2026

1 quarter on record

Voting authority Sole 100% Shared 0% None 0%

Healthcare · as of Jun 30, 2026

Atika Capital Management LLC holds $46,884,486 across 3 Diagnostics & Research names. CRL ranks #3 (18.4% of the industry book) .

#	Ticker	Company	Shares	Value (USD)
1	GH	Guardant Health, Inc.	181,000	$27,155,428
2	TWST	Twist Bioscience Corp	108,000	$11,111,039
3	CRL	Charles River Laboratories International, Inc. This page	38,000	$8,618,019

1 filing row on record

Report Date	Value (USD)	Shares	Change	Type	Discretion	Filed
2026-06-30	$8,618,019	38,000	—	Shares	Defined	2026-08-13
No filing history on record for this holder in this stock.