Cerus Corp

CERS

Exchange: Nasdaq
Industry: Surgical & Medical Instruments & Apparatus
SEC CIK: 0001020214

SEC filings (opens in a new tab)

In the last 90 days, Cerus Corp insiders filed 0 open-market purchases and 2 sales; 185 institutions reported holding it in 13F filings for Q2 2026, worth $437.9M in total; ARK Invest is the only superinvestor holding it.

Q1 2026 vs. Q4 2025

How the institutions holding Cerus Corp changed between Q4 2025 and Q1 2026.

All holders in Q1 2026 All holders in Q4 2025

13F holders of CERS: Q4 2025 compared with Q1 2026
Measure	Q4 2025	Of which not filed for Q1 2026	Q1 2026	Change
Holders	161	4	169	+12
Shares	146.5M	12.2M	151.6M	+17.3M (+12.9%)
Value	$301.5M	$25.1M	$276.0M	−$428.4K (−0.2%)

4 institutions that held it in Q4 2025 haven't filed for Q1 2026 yet. Not filing isn't selling, so the changes leave them out.

New holders (26)

Institutions that held Cerus Corp at the end of Q1 2026 but not at the end of Q4 2025.

Institutions new to CERS in Q1 2026
Institution	Shares	Value	% of portfolio
Vanguard Capital Management LLC	8,131,778	$14.8M	0.00%
Vanguard Portfolio Management LLC	1,919,067	$3.49M	0.00%
Vanguard Fiduciary Trust Co	1,304,098	$2.37M	0.00%
Driehaus Capital Management LLC	961,606	$1.75M	0.01%
Atom Investors LP	351,214	$639.2K	0.05%
Levin Capital Strategies, L.P.	253,083	$460.6K	0.04%
Gsa Capital Partners LLP	117,551	$214.0K	0.01%
State of Wyoming	113,319	$206.2K	0.02%
Vanguard Global Advisers, LLC	109,324	$199.0K	0.00%
Headlands Technologies LLC	102,647	$186.8K	0.02%
Scientech Research LLC	29,242	$53.2K	0.04%
Brevan Howard Capital Management LP	26,877	$48.9K	0.00%
Brighton Jones LLC	24,272	$44.2K	0.00%
Nine Masts Capital Ltd	21,538	$39.2K	0.01%
Y-Intercept (Hong Kong) Ltd	19,145	$34.8K	0.00%
Verdad Advisers, LP	16,909	$30.8K	0.03%
Jump Financial, LLC	14,586	$26.5K	0.00%
Integrated Wealth Concepts LLC	14,191	$25.8K	0.00%
IMC-Chicago, LLC	12,537	$22.8K	0.00%
RSM US Wealth Management LLC	10,996	$20.0K	0.00%
Capital Advisors, Ltd. LLC	9,000	$16.0K	0.00%
Advisory Services Network, LLC	2,518	$4.58K	0.00%
MAI Capital Management	434	$790	0.00%
UBS Asset Management Americas Inc	427	$777	0.00%
Farther Finance Advisors, LLC	414	$774	0.00%
Wealth Preservation Advisors, LLC	73	$133	0.00%

Sold out (14)

Institutions that held Cerus Corp at the end of Q4 2025 and filed for Q1 2026 without it.

Institutions that sold out of CERS in Q1 2026
Institution	Shares, Q4 2025	Value, Q4 2025
Two Sigma Advisers, LP	1,397,900	$2.88M
Citadel Advisors LLC	945,020	$1.95M
Topline Capital Management, LLC	410,963	$846.6K
Arrowstreet Capital, Limited Partnership	255,961	$527.3K
Verition Fund Management LLC	70,257	$144.7K
Banco Santander, S.A.	26,490	$54.6K
Point72 Asset Management, L.P.	23,453	$48.3K
Aquatic Capital Management LLC	21,304	$43.9K
Easterly Investment Partners LLC	20,229	$41.7K
Shufro Rose & Co LLC	20,000	$41.2K
Centiva Capital, LP	11,070	$22.8K
Amalgamated Bank	5,803	$12.0K
Nisa Investment Advisors, LLC	4,358	$8.98K
Clearstead Advisors, LLC	82	$169

Not filed for Q1 2026 yet (4)

Institutions that held Cerus Corp at the end of Q4 2025 and haven't filed a 13F for Q1 2026. Not filing isn't selling, so they aren't counted as sold out.

Institutions holding CERS in Q4 2025 that haven't filed for Q1 2026
Institution	Shares, Q4 2025	Value, Q4 2025
Vanguard Group Inc	11,163,121	$23.0M
Kotler Kevin	1,011,614	$2.08M
CIBC World Markets Corp	12,219	$25.2K
Stephens Consulting, LLC	1,575	$3.25K