CITADEL ADVISORS LLC

Position in XBIT — XBiotech Inc.

CIK 1423053 MIAMI, FL

Back to XBIT Full portfolio

Position in XBIT

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

Position Value

$67,141

+$67,141 QoQ

Shares Held

29,192

Ownership

0.096%

of shares outstanding

% of Portfolio

0.00%

of 13F equity value

Holder Rank

#18

of 36 holders

Holding Since

Mar 2020

20 quarters on record

Voting authority Sole 100% Shared 0% None 0%

Common Shares in XBIT Over Time

Shares Held

Position Value (USD)

Derivatives in XBIT

reported options exposure · as of Dec 31, 2025

CallValue

$43,976

CallShares

18,400

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 Biotechnology

Healthcare · as of Jun 30, 2026

CITADEL ADVISORS LLC holds $6,088,670,159 across 436 Biotechnology names. XBIT ranks #371 (0.0% of the industry book) .

#	Ticker	Company	Shares	Value (USD)
1	ONC	BeOne Medicines Ltd.	1,425,517	$406,229,578
2	BBIO	BridgeBio Pharma, Inc.	3,760,028	$280,046,885
3	INSM	INSMED Inc	2,556,973	$272,624,460
4	MDGL	Madrigal Pharmaceuticals, Inc.	507,233	$272,358,759
5	VRTX	Vertex Pharmaceuticals Inc / Ma	510,430	$253,545,893
6	JAZZ	Jazz Pharmaceuticals plc	1,006,676	$242,578,715
7	MANE	Veradermics, Inc	1,877,775	$230,853,658
8	ROIV	Roivant Sciences Ltd.	5,576,261	$197,343,876

All Filings in XBIT

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38 filing rows on record

Report Date	Value (USD)	Shares	Change	Type	Discretion	Filed
2026-06-30	$67,141	29,192	-31.8%	Shares	Defined	2026-08-14
2025-12-31	$43,976	18,400	+9100.0%	Call	Defined	2026-02-17
2025-09-30	$113,889	42,816	+31.8%	Shares	Defined	2025-11-14
2025-06-30	$96,473	32,483	+249769.2%	Shares	Defined	2025-08-14
2024-12-31	$51	13	-99.7%	Shares	Defined	2025-02-14
2024-12-31	$50,560	12,800	+178.3%	Put	Defined	2025-02-14
2024-12-31	$790	200	-96.6%	Call	Defined	2025-02-14
2024-06-30	$25,134	4,890	-30.6%	Shares	Defined	2024-08-14
2024-06-30	$29,812	5,800	-7.9%	Call	Defined	2024-08-14
2024-06-30	$23,644	4,600	+170.6%	Put	Defined	2024-08-14
2024-03-31	$57,251	7,042	-42.6%	Shares	Defined	2024-05-15
2024-03-31	$13,821	1,700	+750.0%	Put	Defined	2024-05-15
2024-03-31	$51,219	6,300	+687.5%	Call	Defined	2024-05-15
2023-12-31	$3,200	800	+700.0%	Call	Defined	2024-02-14
2023-12-31	$800	200	-96.3%	Put	Defined	2024-02-14
2023-12-31	$49,096	12,274	+15.2%	Shares	Defined	2024-02-14
2023-09-30	$412	100	-94.7%	Call	Defined	2023-11-14
2023-09-30	$43,890	10,653	-35.8%	Shares	Defined	2023-11-14
2023-09-30	$22,248	5,400	+3.8%	Put	Defined	2023-11-14
2023-06-30	$30,888	5,200	-51.9%	Put	Defined	2023-08-14
2023-06-30	$98,598	16,599	-18.5%	Shares	Defined	2023-08-14
2023-06-30	$11,286	1,900	0.0%	Call	Defined	2023-08-14
2023-03-31	$70,289	20,374	+73.8%	Shares	Defined	2023-05-15
2023-03-31	$37,260	10,800	-12.9%	Put	Defined	2023-05-15
2022-12-31	$6,669	1,900	-88.2%	Call	Defined	2023-02-14
2022-12-31	$41,154	11,725	-85.5%	Shares	Defined	2023-02-14
2022-06-30	$455,376	80,884	+96.0%	Shares	Defined	2022-08-15
2022-03-31	$356,564	41,269	-13.7%	Shares	Defined	2022-05-16
2021-09-30	$619,372	47,828	+317.1%	Shares	Defined	2021-11-15
2021-09-30	$160,580	12,400	-66.2%	Put	Defined	2021-11-15
2021-06-30	$266,616	16,100	+1.3%	Call	Defined	2021-08-16
2021-06-30	$607,752	36,700	-39.1%	Put	Defined	2021-08-16
2021-03-31	$1,035,351	60,300	+3.4%	Put	Defined	2021-05-21
2020-12-31	$912,395	58,300	—	Put	Defined	2021-02-16
2020-12-31	$248,835	15,900	-29.0%	Call	Defined	2021-02-16
2020-09-30	$218,905	11,467	-66.4%	Shares	Defined	2020-11-16
2020-09-30	$427,616	22,400	—	Call	Defined	2020-11-16
2020-03-31	$362,502	34,134	—	Shares	Defined	2020-05-15
No filing history on record for this holder in this stock.