XTX Topco Ltd

Position in CYTK — Cytokinetics Inc

CIK 1828301 LONDON, X0

Position in CYTK

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

Position Value

$6,878,496

+$5,306,345 QoQ

Shares Held

80,743

+238.5% QoQ

Ownership

0.058%

of shares outstanding

% of Portfolio

0.09%

of 13F equity value

Holder Rank

#141

of 473 holders

Holding Since

Jun 2022

10 quarters on record

Voting authority Sole 100% Shared 0% None 0%

Healthcare · as of Jun 30, 2026

XTX Topco Ltd holds $412,987,661 across 381 Biotechnology names. CYTK ranks #7 (1.7% of the industry book) .

#	Ticker	Company	Shares	Value (USD)
1	REGN	Regeneron Pharmaceuticals, Inc.	30,522	$19,031,687
2	ASND	Ascendis Pharma A/S	43,289	$11,546,042
3	BBIO	BridgeBio Pharma, Inc.	116,611	$8,685,187
4	MRNA	Moderna, Inc.	123,281	$8,633,368
5	JAZZ	Jazz Pharmaceuticals plc	30,496	$7,348,621
6	KYMR	Kymera Therapeutics, Inc.	61,501	$7,052,319
7	CYTK	Cytokinetics Inc This page	80,743	$6,878,496
8	PTCT	Ptc Therapeutics, Inc.	81,923	$6,682,459

10 filing rows on record

Report Date	Value (USD)	Shares	Change	Type	Discretion	Filed
2026-06-30	$6,878,496	80,743	+238.5%	Shares	Defined	2026-08-14
2026-03-31	$1,572,151	23,853	-73.7%	Shares	Defined	2026-05-15
2025-12-31	$5,755,389	90,579	+2170.2%	Shares	Defined	2026-02-17
2025-09-30	$219,290	3,990	-45.8%	Shares	Defined	2025-11-14
2025-03-31	$295,677	7,357	-23.8%	Shares	Defined	2025-05-08
2024-12-31	$453,936	9,650	-2.2%	Shares	Defined	2025-02-13
2024-09-30	$521,188	9,871	+136.3%	Shares	Defined	2024-11-14
2023-12-31	$348,821	4,178	-77.5%	Shares	Defined	2024-02-13
2023-09-30	$547,838	18,596	+10.6%	Shares	Defined	2023-11-13
2022-06-30	$660,504	16,811	—	Shares	Defined	2022-08-15
No filing history on record for this holder in this stock.