CAXTON ASSOCIATES LLP

Position in CTKB — Cytek Biosciences, Inc.

CIK 2051323 LONDON, X0

Position in CTKB

as of Jun 30, 2026 · filed Aug 14, 2026 Compact

Position Value

$52,854

-$176,294 QoQ

Shares Held

11,931

-73.7% QoQ

Ownership

0.009%

of shares outstanding

% of Portfolio

0.00%

of 13F equity value

Holder Rank

#105

of 155 holders

Holding Since

Mar 2025

5 quarters on record

Voting authority Sole 100% Shared 0% None 0%

Healthcare · as of Jun 30, 2026

CAXTON ASSOCIATES LLP holds $62,784,476 across 6 Medical Devices names. CTKB ranks #6 (0.1% of the industry book) .

#	Ticker	Company	Shares	Value (USD)
1	PEN	Penumbra Inc	179,384	$56,640,498
2	BIO	Bio-Rad Laboratories, Inc.	13,875	$4,073,838
3	NEOG	Neogen Corp	149,164	$1,340,984
4			16,855	$419,352
5	HAE	Haemonetics Corp	3,426	$256,950
6	CTKB	Cytek Biosciences, Inc. This page	11,931	$52,854

5 filing rows on record

Report Date	Value (USD)	Shares	Change	Type	Discretion	Filed
2026-06-30	$52,854	11,931	-73.7%	Shares	Sole	2026-08-14
2025-12-31	$229,148	45,376	-51.4%	Shares	Sole	2026-02-13
2025-09-30	$324,125	93,408	-9.7%	Shares	Sole	2025-11-17
2025-06-30	$351,781	103,465	+1.5%	Shares	Sole	2025-08-15
2025-03-31	$408,594	101,894	—	Shares	Sole	2025-05-16
No filing history on record for this holder in this stock.