Cerus CERS Institutional Ownership

NASDAQ CERS

$2.39 +0.08 (+3.46%)

At close: Oct 21, 2026 · 4:00 PM EDT

Institutions by Trading Activity

185 Institutions

Increased 106 57.3%

Unchanged 27 14.6%

Reduced 52 28.1%

Ownership Statistics

13F · as of 30 Jun, 2026

Institutional Ownership

74.62%

▼-1.05 pp QoQ

Shares Held by Institutions

150.37Mn

of 201.52Mn outstanding

▼-0.81% QoQ

Shares Outstanding

201.52Mn

51.15Mn held outside 13F filers

Institutional Investors

185

filed 13F for Jun 2026

▲+16 vs prior quarter

Net Shares Added (QoQ)

-1.24Mn

distributed since last quarter

Value of Holdings

$347.36Mn

reported market value

Shares Owned by Institutions

Shares held % of outstanding

Latest —

Average ownership —

Peak ownership —

Shares Purchased/Sold by Institutions

Accumulated Distributed

Latest quarter —

Net over range —

Accumulating quarters —

Ownership Summary

Updated Oct 16, 2026

Cerus Corp (NASDAQ:CERS) had 185 institutional holders reporting a position on Form 13F for the quarter ended June 30, 2026.

These investors held 74.62% of outstanding shares in Q2 2026, down from 75.66% the quarter before.
Total shares held in Cerus fell 0.81% from Q1 2026, while the number of holders rose 20.13% from Q2 2025.
Of these 185 holders, 106 added to their positions, 52 reduced their stakes and 27 left their positions unchanged.
Combined, institutional investors held 150.37Mn shares of CERS as of Q2 2026, down 1.24Mn from the prior quarter and up 7.29Mn from a year earlier.
BlackRock, Inc. held the largest position in CERS at 22.22Mn shares as of June 30, 2026, or 11.02% of shares outstanding.
Among holders that already owned Cerus, the biggest buyers in Q2 2026 were Mackenzie Financial Corp (+2.96Mn shares), D. E. Shaw & Co., Inc. (+1.75Mn shares), Algert Global LLC (+1.37Mn shares), Vanguard Portfolio Management LLC (+849.92K shares) and AllianceBernstein L.P. (+842.05K shares).
Holders that trimmed the most shares of Cerus in Q2 2026 while keeping a position were Soleus Capital Management, L.P. (-8.25Mn shares), Baker Bros. Advisors LP (-3.61Mn shares), Wasatch Advisors LP (-1.9Mn shares), ARK Investment Management LLC (-1.23Mn shares) and UBS Group AG (-1.1Mn shares).
Per Business Quant data, the 10 largest holders of Cerus at the end of Q2 2026 were BlackRock, Inc. (22.22Mn shares), ARK Investment Management LLC (17.93Mn shares), Vanguard Capital Management LLC (8.56Mn shares), Baker Bros. Advisors LP (6.4Mn shares), D. E. Shaw & Co., Inc. (5.49Mn shares), Geode Capital Management, LLC (5.12Mn shares), State Street Corp (4.75Mn shares), Senvest Management, LLC (4.61Mn shares), Acadian Asset Management LLC (4.27Mn shares) and Sumitomo Mitsui Trust Group, Inc. (4.14Mn shares).

Form 13F Holdings

185 Institutional Holders

Report period 30 Jun, 2026

Total shares held 150.37Mn

Of outstanding 74.62%

#	Institution	CIK	Shares Held	% of Outstanding	Change (QoQ)	Change (%)	Value (USD)
1	BlackRock, Inc.	0002012383	22,215,127	11.02%	▲639,708	+2.96%	$64.87Mn
2	ARK Investment Management LLC	0001697748	17,932,099	8.90%	▼1,229,049	-6.41%	$52.36Mn
3	VANGUARD CAPITAL MANAGEMENT LLC	0002100119	8,563,424	4.25%	▲431,646	+5.31%	$25.01Mn
4	BAKER BROS. ADVISORS LP	0001263508	6,395,431	3.17%	▼3,612,914	-36.10%	$18.67Mn
5	D. E. Shaw & Co., Inc.	0001009207	5,485,983	2.72%	▲1,754,832	+47.03%	$16.02Mn
6	GEODE CAPITAL MANAGEMENT, LLC	0001214717	5,119,019	2.54%	▲481,579	+10.38%	$14.95Mn
7	State Street Corp	0000093751	4,753,962	2.36%	▲539,060	+12.79%	$13.88Mn
8	Senvest Management, LLC	0001328785	4,614,061	2.29%	▲500,000	+12.15%	$13.47Mn
9	ACADIAN ASSET MANAGEMENT LLC	0000916542	4,270,074	2.12%	▲560,573	+15.11%	$12.46K
10	Sumitomo Mitsui Trust Group, Inc.	0001475365	4,139,532	2.05%	▼377,074	-8.35%	$12.09Mn
11	Amova Asset Management Americas, Inc.	0001480751	4,132,534	2.05%	▼384,072	-8.50%	$12.07Mn
12	SILVERCREST ASSET MANAGEMENT GROUP LLC	0001232395	4,077,187	2.02%	▼164,224	-3.87%	$11.91Mn
13	TWO SIGMA INVESTMENTS, LP	0001179392	3,484,633	1.73%	▲739,612	+26.94%	$10.18Mn
14	SILVERARC CAPITAL MANAGEMENT, LLC	0001816307	3,472,737	1.72%	▲296,190	+9.32%	$10.14Mn
15	WASATCH ADVISORS LP	0000814133	3,383,899	1.68%	▼1,897,237	-35.92%	$9.88Mn
16	MACKENZIE FINANCIAL CORP	0000919859	3,002,694	1.49%	▲2,961,958	+7,271.11%	$8.77Mn
17	VANGUARD PORTFOLIO MANAGEMENT LLC	0002100121	2,768,990	1.37%	▲849,923	+44.29%	$8.09Mn
18	Soleus Capital Management, L.P.	0001802630	2,500,000	1.24%	▼8,253,700	-76.75%	$7.30Mn
19	IEQ CAPITAL, LLC	0001779789	2,406,330	1.19%	▼36,911	-1.51%	$7.03Mn
20	Goldman Sachs Group Inc	0000886982	2,317,802	1.15%	▼450,801	-16.28%	$6.77Mn

Showing 1 to 20 of 185 holders