Cerus

CERS • NASDAQ

Cerus is a medical - devices company in the healthcare sector on NASDAQ, led by William M. Greenman, with a market cap of $418.8M. As of Q3 2025, 74% of shares are held by 150 institutional investors, with BlackRock, Inc. as the largest holder at 10.94%.

President and Chief Executive OfficerWilliam M. Greenman

Market Cap$418.8M

Medical - Devices

Healthcare

Employees280.0

Websitecerus.com

Country

United States of America

Overview

Overview of institutional ownership in CERS as of Q3 2025 with a market cap of $304.8M

All Institutions

Institutions: 150
Value Held: $225.7M
Shares Held: 142.0M
Avg Position: $1.5M
Median Position: $111.4K

Hedge Funds

Hedge Funds: 16
Value Held: $43.6M
Shares Held: 27.4M
Avg Position: $2.7M
Median Position: $1.4M

Ownership Breakdown

Institutional (non-HF)

59.75%

$182.1M

Hedge Funds

14.31%

$43.6M

Retail & Other

25.94%

$79.1M

Based on market cap of $304.8M as of Q3 2025. Institutional (non-HF) excludes hedge funds to avoid double counting.

Biggest Investors

Institutions with the largest positions in CERS as of Q3 2025

Institution	Key People	Position Value	Ownership	Owned Since	Total AUM (Long)
B BlackRock, Inc. Institution	-	$33.4M 0.00% of portfolio	10.94% 21.0M shares	≤ Q2 2013 Held for 12y 5m+	$5.67T
ARK Investment Management LLC ETF Provider	Catherine Duddy Wood CEO	$30.0M 0.18% of portfolio	9.83% 18.9M shares	Q4 2016 Held for 8y 11m	$16.5B
VANGUARD GROUP INC Institution	Salim Ramji CEO	$17.1M 0.00% of portfolio	5.63% 10.8M shares	≤ Q2 2013 Held for 12y 5m+	$6.69T
B BAKER BROS. ADVISORS LP Hedge Fund•Sector	Scott Lawrence Lessing President	$15.9M 0.15% of portfolio	5.22% 10.0M shares	≤ Q2 2013 Held for 12y 5m+	$10.8B
S Sumitomo Mitsui Trust Holdings, Inc. Institution	-	$9.0M 0.01% of portfolio	2.97% 5.7M shares	Q1 2019 Held for 6y 8m	$173.79B
Nikko Asset Management Americas, Inc. Long Only Manager	James Mark Beyer Wesley CEO	$9.0M 0.09% of portfolio	2.97% 5.7M shares	Q3 2018 Held for 7y 2m	$10.3B
WASATCH ADVISORS INC Long Only Manager	Michael Kenneth Yeates CEO	$8.8M 0.05% of portfolio	2.89% 5.5M shares	Q4 2020 Held for 4y 11m	$18.6B
GEODE CAPITAL MANAGEMENT LLC ETF Provider	David Kenneth Lane CEO	$7.2M 0.00% of portfolio	2.36% 4.5M shares	≤ Q2 2013 Held for 12y 5m+	$1.57T
SILVERCREST ASSET MANAGEMENT GROUP LLC RIA/Wealth	Richard Ralston Hough CEO	$6.6M 0.04% of portfolio	2.15% 4.1M shares	Q1 2020 Held for 5y 8m	$15.1B
RIMA SENVEST MANAGEMENT, L.L.C. Hedge Fund•Multi-Strategy	Richard Ron Mashaal Founder	$6.3M 0.20% of portfolio	2.07% 4.0M shares	Q4 2020 Held for 4y 11m	$3.1B

Net Capital Flow

Institutional buying and selling activity for CERS in Q3 2025

Traded: −$6.4M
Buyers: 79
Sellers: 59
Total Bought: +$10.8M
Total Sold: −$17.2M
Avg Position: $1.4M

Biggest Buyers

Institution	Net Bought	Current Position
SILVERCREST ASSET MANAGEMENT GROUP LLC RIA/Wealth	+$1.0M +637.6K shares	$6.6M 4.1M shares
MILLENNIUM MANAGEMENT LLC Hedge Fund•Multi-Strategy	+$825.7K +519.3K shares	$5.5M 3.5M shares
ALGERT COLDIRON INVESTORS LLC Hedge Fund•Quant	+$663.3K +417.2K shares	$810.3K 509.6K shares
N Nuveen, LLC Institution	+$604.6K +380.2K shares	$1.2M 771.3K shares
A Assenagon Asset Management S.A. Institution	+$570.1K +358.5K shares	$2.5M 1.6M shares
GOLDMAN SACHS GROUP INC Institution	+$536.2K +337.2K shares	$3.9M 2.4M shares
Levin Easterly Partners LLC Long Only Manager	+$472.7K +297.3K shares	$544.3K 342.3K shares
TWO SIGMA ADVISERS, LLC Hedge Fund•Multi-Strategy	+$419.8K +264.0K shares	$1.5M 974.0K shares
ACADIAN ASSET MANAGEMENT LLC Long Only Manager	+$412.4K +259.4K shares	$4.6M 2.9M shares
AQR CAPITAL MANAGEMENT LLC Hedge Fund•Multi-Strategy	+$401.1K +252.3K shares	$3.9M 2.5M shares

Biggest Sellers

Institution	Net Sold	Current Position
WASATCH ADVISORS INC Long Only Manager	−$4.8M −3.0M shares	$8.8M 5.5M shares
B BAKER BROS. ADVISORS LP Hedge Fund•Sector	−$4.6M −2.9M shares	$15.9M 10.0M shares
Q Qube Research & Technologies Ltd Institution	−$954.3K −600.2K shares	$237.5K 149.4K shares
GSA CAPITAL PARTNERS LLP Hedge Fund•Quant	−$741.8K −526.1K shares	Sold Off 0 shares
S Sumitomo Mitsui Trust Holdings, Inc. Institution	−$611.6K −384.7K shares	$9.0M 5.7M shares
Nikko Asset Management Americas, Inc. Long Only Manager	−$599.4K −377.0K shares	$9.0M 5.7M shares
ARK Investment Management LLC ETF Provider	−$568.3K −357.4K shares	$30.0M 18.9M shares
BARCLAYS PLC Institution	−$477.5K −300.3K shares	$1.8M 1.1M shares
LAZARD ASSET MANAGEMENT LLC Long Only Manager	−$432.8K −272.2K shares	$759.7K 477.8K shares
MORGAN STANLEY RIA/Wealth	−$382.6K −240.6K shares	$2.9M 1.8M shares

Entry and Exit Activity

Institutions that initiated new positions or completely exited CERS in Q3 2025

New Positions: 4
New Value: $123.7K
Exited Positions: 13
Exited Value: $1.3M

New Positions

Institution	Position Value
Voleon Capital Management LP Hedge Fund•Quant	$64.7K 40.7K shares
G GTS SECURITIES LLC Institution	$41.1K 25.9K shares
Krilogy Financial LLC RIA/Wealth	$17.6K 12.1K shares
Sunbelt Securities, Inc. RIA/Wealth	$335.0 211.0 shares

Exited Positions

Institution	Previous Position
GSA CAPITAL PARTNERS LLP Hedge Fund•Quant	$741.8K 526.1K shares
AMERIPRISE FINANCIAL INC Institution	$264.1K 187.3K shares
S STATE BOARD OF ADMINISTRATION OF FLORIDA RETIREMENT SYSTEM Institution	$71.4K 50.6K shares
B Brevan Howard Capital Management LP Institution	$67.4K 47.8K shares
C Cubist Systematic Strategies, LLC Institution	$44.5K 31.5K shares
T TCG Advisory Services, LLC RIA/Wealth	$42.0K 29.8K shares
Polar Capital Holdings Plc Long Only Manager	$19.1K 13.5K shares
Rockport Wealth LLC RIA/Wealth	$18.8K 13.3K shares
Point72 Ltd RIA/Wealth	$5.5K 3.9K shares
NISA INVESTMENT ADVISORS L L C Long Only Manager	$1.5K 1.1K shares

Options Activity

Institutions with the largest Call and Put options positions in CERS as of Q3 2025

Call Positions: 2
Call Value: $200.5K
Put Positions: 2
Put Value: $47.9K

Call Positions

Institution	Position Value
CITADEL ADVISORS LLC Hedge Fund•Multi-Strategy	$115.6K 727.0 contracts
SUSQUEHANNA INTERNATIONAL GROUP, LLP Private Equity	$84.9K 534.0 contracts

Put Positions

Institution	Position Value
CITADEL ADVISORS LLC Hedge Fund•Multi-Strategy	$27.5K 173.0 contracts
SUSQUEHANNA INTERNATIONAL GROUP, LLP Private Equity	$20.4K 128.0 contracts

Most Committed Institutions

Institutions with CERS as the highest % of their portfolio as of Q3 2025

Institution	Key People	Portfolio Weight	Ownership	Owned Since	Total AUM (Long)
SILVERARC CAPITAL MANAGEMENT, LLC Hedge Fund•Long/Short	Devesh Sharad Gandhi Founder	0.63% $4.3M	1.42% 2.7M shares	Q2 2021 Held for 4y 5m	$689.7M
Bouvel Investment Partners, LLC RIA/Wealth	Jean Pierre Georges Bouvel Managing Partner	0.24% $788.9K	0.26% 496.2K shares	Q3 2021 Held for 4y 2m	$326.7M
RIMA SENVEST MANAGEMENT, L.L.C. Hedge Fund•Multi-Strategy	Richard Ron Mashaal Founder	0.20% $6.3M	2.07% 4.0M shares	Q4 2020 Held for 4y 11m	$3.1B
ARK Investment Management LLC ETF Provider	Catherine Duddy Wood CEO	0.18% $30.0M	9.83% 18.9M shares	Q4 2016 Held for 8y 11m	$16.5B
B BAKER BROS. ADVISORS LP Hedge Fund•Sector	Scott Lawrence Lessing President	0.15% $15.9M	5.22% 10.0M shares	≤ Q2 2013 Held for 12y 5m+	$10.8B
E EntryPoint Capital, LLC Hedge Fund•Long/Short	Lawrence Edward Leibowitz CEO	0.10% $260.5K	0.09% 163.8K shares	Q4 2023 Held for 1y 11m	$258.4M
Nikko Asset Management Americas, Inc. Long Only Manager	James Mark Beyer Wesley CEO	0.09% $9.0M	2.97% 5.7M shares	Q3 2018 Held for 7y 2m	$10.3B
D Davy Asset Management Ltd Institution	-	0.06% $953.6K	0.31% 599.7K shares	Q2 2024 Held for 1y 5m	$1.5B
R Squared Ltd Private Equity	-	0.05% $123.7K	0.04% 77.8K shares	Q4 2024 Held for 11 months	$232.5M
WASATCH ADVISORS INC Long Only Manager	Michael Kenneth Yeates CEO	0.05% $8.8M	2.89% 5.5M shares	Q4 2020 Held for 4y 11m	$18.6B

Hedge Fund Spotlight

Discover hedge funds investing in CERS

CITADEL ADVISORS LLC

Hedge Fund • Multi-Strategy

Portfolio ManagerKenneth Cordele Griffin

Portfolio Value: $122.08B
Positions: 5,531
Last Reported: Q3 2025

Sector Allocation

Position in Cerus

Market Value: $1.4M
Shares Held: 899.6K
Portfolio Weight: 0.00%
Owned Since: 2013-Q4

Top Holding	Sector	Market Value	Weight
1 Microsoft MSFT	Software - Infrastructure Technology	$2.1B	1.68%
2 Nvidia NVDA	Semiconductors Technology	$1.8B	1.50%
3 Meta Platforms, Inc. META	Internet Content & Information Communication Services	$1.4B	1.18%