EcoR1 Capital, LLC

CIK

0001587114

City

SAN FRANCISCO

State / Country

Stock

XNCR — Xencor Inc

Holdings in XNCR

Report Date	Value (USD)	Shares	Change	Type	Discretion	Filed
2025-12-31	$49,774,524	3,251,112	+4716.5%	Shares	Sole	2026-02-17
2025-12-31	$1,033,425	67,500	-98.9%	Shares	Sole	2026-02-17
2025-09-30	$72,078,116	6,144,767	0.0%	Shares	Sole	2025-11-14
2025-06-30	$48,297,868	6,144,767	0.0%	Shares	Sole	2025-08-14
2025-03-31	$65,380,320	6,144,767	0.0%	Shares	Sole	2025-05-15
2024-12-31	$141,206,745	6,144,767	+15.3%	Shares	Sole	2025-02-14
2024-09-30	$107,194,665	5,330,416	0.0%	Shares	Sole	2024-11-14
2024-06-30	$100,904,774	5,330,416	0.0%	Shares	Sole	2024-08-14
2024-03-31	$117,962,106	5,330,416	+0.9%	Shares	Sole	2024-05-15
2023-12-31	$112,147,814	5,282,516	0.0%	Shares	Sole	2024-02-14
2023-09-30	$106,442,697	5,282,516	0.0%	Shares	Sole	2023-11-14
2023-06-30	$131,904,424	5,282,516	0.0%	Shares	Sole	2023-08-14
2023-03-31	$147,329,371	5,282,516	0.0%	Shares	Sole	2023-05-15
2022-12-31	$137,556,716	5,282,516	0.0%	Shares	Sole	2023-02-14
2022-09-30	$137,239,765	5,282,516	+0.0%	Shares	Sole	2022-11-14
2022-06-30	$144,579,725	5,282,416	+6.3%	Shares	Sole	2022-08-15
2022-03-31	$132,566,410	4,968,756	+1.3%	Shares	Sole	2022-05-16
2021-12-31	$196,832,972	4,906,106	0.0%	Shares	Sole	2022-02-14
2021-09-30	$160,233,421	4,906,106	0.0%	Shares	Sole	2021-11-22
2021-06-30	$169,211,595	4,906,106	+0.1%	Shares	Sole	2021-08-16
2021-03-31	$211,007,176	4,900,306	+7.8%	Shares	Sole	2021-05-17
2020-12-31	$198,388,751	4,547,072	0.0%	Shares	Sole	2021-02-16
2020-09-30	$176,380,922	4,547,072	0.0%	Shares	Sole	2020-11-16
2020-06-30	$147,279,662	4,547,072	+81.8%	Shares	Sole	2020-08-14
2020-03-31	$74,746,523	2,501,557	—	Shares	Sole	2020-05-15