XTX Topco Ltd

Position in BIIB — Biogen Inc.

CIK 1828301 LONDON, X0

Position in BIIB

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

Position Value

$699,818

+$267,059 QoQ

Shares Held

3,239

+31.7% QoQ

Ownership

0.002%

of shares outstanding

% of Portfolio

0.01%

of 13F equity value

Holder Rank

#510

of 1,031 holders

Holding Since

Sep 2021

15 quarters on record

Voting authority Sole 100% Shared 0% None 0%

Healthcare · as of Jun 30, 2026

XTX Topco Ltd holds $46,000,026 across 13 Drug Manufacturers - General names. BIIB ranks #8 (1.5% of the industry book) .

#	Ticker	Company	Shares	Value (USD)
1	PFE	Pfizer Inc	834,735	$20,100,418
2	GILD	Gilead Sciences, Inc.	68,150	$8,610,071
3	LLY	ELI LILLY & Co	6,991	$8,385,215
4	NVO	Novo Nordisk A S	48,420	$2,321,254
5	GSK	GSK plc	35,304	$1,850,635
6	NVS	Novartis AG	11,248	$1,762,786
7	JNJ	Johnson & Johnson	5,135	$1,304,135
8	BIIB	Biogen Inc. This page	3,239	$699,818

15 filing rows on record

Report Date	Value (USD)	Shares	Change	Type	Discretion	Filed
2026-06-30	$699,818	3,239	+31.7%	Shares	Defined	2026-08-14
2025-12-31	$432,759	2,459	-85.3%	Shares	Defined	2026-02-17
2025-03-31	$2,291,112	16,743	+633.1%	Shares	Defined	2025-05-08
2024-12-31	$349,269	2,284	-67.2%	Shares	Defined	2025-02-13
2024-09-30	$1,348,157	6,955	-3.1%	Shares	Defined	2024-11-14
2024-03-31	$1,547,360	7,176	+128.5%	Shares	Defined	2024-05-13
2023-12-31	$812,537	3,140	+48.2%	Shares	Defined	2024-02-13
2023-09-30	$544,604	2,119	-11.1%	Shares	Defined	2023-11-13
2023-06-30	$679,082	2,384	+187.2%	Shares	Defined	2023-08-14
2022-12-31	$229,843	830	-39.5%	Shares	Defined	2023-02-14
2022-09-30	$366,591	1,373	-45.5%	Shares	Defined	2022-11-14
2022-06-30	$513,316	2,517	+25.5%	Shares	Defined	2022-08-15
2022-03-31	$422,253	2,005	+134.0%	Shares	Defined	2022-05-13
2021-12-31	$205,611	857	-65.7%	Shares	Defined	2022-02-11
2021-09-30	$707,475	2,500	—	Shares	Defined	2021-11-12
No filing history on record for this holder in this stock.