Does Citadel Advisors own ONC stock?

Yes. As of its Q2 2026 13F, Citadel Advisors holds 1,425,517 shares of ONC (BeOne Medicines), worth $406.2M.

How many shares of ONC does Citadel Advisors own?

As of its Q2 2026 13F, Citadel Advisors holds 1,425,517 shares of ONC (BeOne Medicines).

As of its Q2 2026 13F, Citadel Advisors' ONC position is worth $406.2M.

In Q2 2026, Citadel Advisors increased its ONC position by 393,219 shares (+38.1%).

Citadel Advisors already held ONC in its Q4 2018 13F, the earliest on record, and has listed it in 30 quarterly 13F filings.

Position history for CITADEL ADVISORS LLC's holdings in BEONE MEDICINES LTD

Current Value

$406.2M

Current Shares

1.4M

Total Value Change

+$403.8M

Total Shares Change

+1.4M

Quarter-by-Quarter History

Quarter	Action	Shares	Change	Value	Weight	Price	Conviction
2026-Q2 Latest	Increased	1.4M	+38.1%	$406.2M	0.0%	$284.97	41
2026-Q1	Increased	1M	+93.5%	$306.6M	0.0%	$296.97	49
2025-Q4	Increased	533,517	+1373.6%	$162.1M	0.0%	$303.81	49
2025-Q3	Decreased	36,205	-93.3%	$12.3M	0.0%	$340.70	0
2025-Q2	Decreased	537,156	-45.3%	$130M	0.0%	$242.07	0
2025-Q1	Increased	982,161	+209.7%	$267.3M	0.1%	$272.17	50
2024-Q4	Increased	317,113	+574.2%	$58.6M	0.0%	$184.71	47
2024-Q3	Increased	47,034	+713.7%	$10.6M	0.0%	$224.51	45
2024-Q2	Increased	5,780	+5738.4%	$824,633	0.0%	$142.67	40
2024-Q1	Decreased	99	-99.2%	$15,483	0.0%	$156.39	0
2023-Q4	Increased	11,821	+160.6%	$2.1M	0.0%	$180.36	42
2023-Q3	Decreased	4,537	-87.5%	$816,070	0.0%	$179.87	0
2023-Q2	Increased	36,391	+156.6%	$6.5M	0.0%	$178.30	44
2023-Q1	Decreased	14,184	-65.5%	$3.1M	0.0%	$215.53	0
2022-Q4	Increased	41,094	+53.2%	$9M	0.0%	$219.94	39
2022-Q3	Decreased	26,831	-35.9%	$3.6M	0.0%	$134.82	0
2022-Q2	Increased	41,875	+1165.9%	$6.8M	0.0%	$161.85	44
2022-Q1	Increased	3,308	+70.7%	$624,000	0.0%	$188.60	36
2021-Q4	Decreased	1,938	-94.0%	$525,000	0.0%	$270.93	0
2021-Q3	Increased	32,377	+359.6%	$11.8M	0.0%	$363.00	45
2021-Q2	Increased	7,045	+47.2%	$2.4M	0.0%	$343.19	36
2021-Q1	Decreased	4,785	-65.5%	$1.7M	0.0%	$348.08	0
2020-Q4	Decreased	13,888	-5.4%	$3.6M	0.0%	$258.39	0
2020-Q3	Increased	14,685	+717.2%	$4.2M	0.0%	$286.44	43
2020-Q2	Decreased	1,797	-84.0%	$339,000	0.0%	$188.40	0
2020-Q1	Decreased	11,195	-47.6%	$1.4M	0.0%	$123.11	0
2019-Q4	New	21,375	-	$3.5M	0.0%	$165.76	37
2019-Q3	Exited	0	-100.0%	$0	0.0%	$122.46	0
2019-Q2	Increased	21,662	+59.2%	$2.7M	0.0%	$123.95	38
2019-Q1	Decreased	13,608	-19.9%	$1.8M	0.0%	$132.00	0
2018-Q4	First report	16,981	-	$2.4M	0.0%	$140.26	0

Other major holders of ONC: BAKER BROS. ADVISORS LP