Does D. E. Shaw own CERS stock?

Yes. As of its Q2 2026 13F, D. E. Shaw holds 5,485,983 shares of CERS (Cerus), worth $16M.

How many shares of CERS does D. E. Shaw own?

As of its Q2 2026 13F, D. E. Shaw holds 5,485,983 shares of CERS (Cerus).

As of its Q2 2026 13F, D. E. Shaw's CERS position is worth $16M.

In Q2 2026, D. E. Shaw increased its CERS position by 1,754,832 shares (+47.0%).

D. E. Shaw already held CERS in its Q4 2018 13F, the earliest on record, and has listed it in 31 quarterly 13F filings.

Position history for DED. E. Shaw & Co., Inc.'s holdings in CERUS CORP

Current Value

$16M

Current Shares

5.5M

Total Value Change

+$14.3M

Total Shares Change

+5.1M

Quarter-by-Quarter History

Quarter	Action	Shares	Change	Value	Weight	Price	Conviction
2026-Q2 Latest	Increased	5.5M	+47.0%	$16M	0.0%	$2.92	39
2026-Q1	Decreased	3.7M	-3.7%	$6.8M	0.0%	$1.82	0
2025-Q4	Increased	3.9M	+1.4%	$8M	0.0%	$2.06	28
2025-Q3	Increased	3.8M	+1.8%	$6.1M	0.0%	$1.59	28
2025-Q2	Decreased	3.8M	-1.0%	$5.3M	0.0%	$1.41	0
2025-Q1	Increased	3.8M	+10.6%	$5.3M	0.0%	$1.39	30
2024-Q4	Decreased	3.4M	-6.0%	$5.3M	0.0%	$1.54	0
2024-Q3	Increased	3.6M	+6.0%	$6.3M	0.0%	$1.74	29
2024-Q2	Increased	3.4M	+4.5%	$6.1M	0.0%	$1.76	28
2024-Q1	Increased	3.3M	+14.9%	$6.2M	0.0%	$1.89	31
2023-Q4	Decreased	2.9M	-9.3%	$6.2M	0.0%	$2.16	0
2023-Q3	Decreased	3.2M	-4.4%	$5.1M	0.0%	$1.62	0
2023-Q2	Increased	3.3M	+16.8%	$8.1M	0.0%	$2.46	32
2023-Q1	Increased	2.8M	+20.4%	$8.4M	0.0%	$2.97	33
2022-Q4	Decreased	2.4M	-18.2%	$8.6M	0.0%	$3.65	0
2022-Q3	Increased	2.9M	+3.3%	$10.3M	0.0%	$3.60	29
2022-Q2	Increased	2.8M	+1.5%	$14.7M	0.0%	$5.29	28
2022-Q1	Increased	2.7M	+12.1%	$15M	0.0%	$5.49	31
2021-Q4	Increased	2.4M	+47.4%	$16.7M	0.0%	$6.81	39
2021-Q3	Increased	1.7M	+49.0%	$10.1M	0.0%	$6.09	38
2021-Q2	Increased	1.1M	+44.7%	$6.6M	0.0%	$5.91	37
2021-Q1	Decreased	769,408	-60.1%	$4.6M	0.0%	$6.01	0
2020-Q4	Increased	1.9M	+13.9%	$13.3M	0.0%	$6.92	32
2020-Q3	Decreased	1.7M	-13.9%	$10.6M	0.0%	$6.26	0
2020-Q2	Increased	2M	+17.8%	$13M	0.0%	$6.60	33
2020-Q1	Decreased	1.7M	-38.5%	$7.8M	0.0%	$4.65	0
2019-Q4	Increased	2.7M	+36.6%	$11.5M	0.0%	$4.22	36
2019-Q3	Increased	2M	+32.2%	$10.2M	0.0%	$5.16	35
2019-Q2	Increased	1.5M	+147.9%	$8.4M	0.0%	$5.62	44
2019-Q1	Increased	606,506	+74.5%	$3.8M	0.0%	$6.23	40
2018-Q4	First report	347,610	-	$1.8M	0.0%	$5.07	0