EAM Investors’s Cerus CERS Stock Holding History

EAM Investors’s Portfolio CERS Stock Details CERS Fund Activity

Bought

Maintained

Sold

Quarter	Market Value	Status	Shares	Change in Stake	Trade Value	Portfolio Weight	Portfolio Position
2026 Q2	$1.18M	Buy	+405,071	New	+$983K	0.11%	217
2020 Q3	–	Sell	-212,520	Closed	-$1.4M	–	290
2020 Q2	$1.4M	Buy	+212,520	New	+$1.22M	0.31%	157
2016 Q2	–	Sell	-183,564	Closed	-$1.09M	–	309
2016 Q1	$1.09M	Buy	183,564 +3,277	+2%	+$18.2K	0.17%	228
2015 Q4	$1.14M	Buy	+180,287	New	+$960K	0.15%	249
2015 Q1	–	Sell	-443,243	Closed	-$2.77M	–	337
2014 Q4	$2.77M	Buy	+443,243	New	+$2.01M	0.39%	85
2014 Q1	–	Sell	-436,529	Closed	-$2.82M	–	317
2013 Q4	$2.82M	Sell	436,529 -1,917	-0.4%	-$12K	0.5%	41
2013 Q3	$2.94M	Sell	438,446 -10,755	-2%	-$58.4K	0.59%	26
2013 Q2	$1.99M	Buy	+449,201	New	+$2.17M	0.43%	60

Other funds holding CERS

BlackRock New York $6.73T AUM 46.02% 1-Year Est. Return

AIM

ARK Investment Management St. Petersburg, Florida $15.4B AUM 50.29% 1-Year Est. Return

Vanguard Capital Management Malvern, Pennsylvania $4.68T AUM

BBA

Baker Bros. Advisors New York $20B AUM 154.41% 1-Year Est. Return

D.E. Shaw & Co New York $210B AUM 57.28% 1-Year Est. Return

Geode Capital Management Boston, Massachusetts $1.88T AUM 44.46% 1-Year Est. Return

State Street Boston, Massachusetts $3.37T AUM 44.26% 1-Year Est. Return

Senvest Management New York $3.41B AUM 66.27% 1-Year Est. Return

Acadian Asset Management Boston, Massachusetts $84.2B AUM 55.88% 1-Year Est. Return

Sumitomo Mitsui Trust Group Minato-Ku, Tokyo, Japan $175B AUM 40.63% 1-Year Est. Return

EAM Investors's CERS Position: Q2 2026 in Review

EAM Investors opened a new position in Cerus (CERS) in Q2 2026: 405,071 shares worth $1.18M. The stake represents 0.11% of the portfolio and ranks #217 among its holdings. This is a return to the name: EAM Investors previously reported a position in CERS as recently as Q2 2020.

EAM Investors first reported a position in CERS in Q2 2013 and has held it in 8 quarters since. The position peaked at $2.94M in Q3 2013. 186 funds tracked by Wall St. Rank hold CERS as of Q2 2026.

EAM Investors held 405,071 shares of Cerus worth $1.18M as of Q2 2026.
Cerus was a new EAM Investors position in Q2 2026.
Cerus made up 0.11% of EAM Investors's portfolio in Q2 2026, its #217 holding.
EAM Investors first reported a position in Cerus in Q2 2013 and has held it in 8 quarters since.
EAM Investors's Cerus position peaked at $2.94M in Q3 2013.
186 funds tracked by Wall St. Rank held Cerus as of Q2 2026.

Based on EAM Investors's 13F filing for Q2 2026, filed 13 Aug 2026.