Optiver Holding’s Cerus CERS Stock Holding History

Optiver Holding’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	$2.15K	Sell	735 -765	-51%	-$1.86K	﹤0.01%	2292
2026 Q1	$2.73K	Buy	1,500 +267	+22%	+$582	﹤0.01%	1711
2025 Q4	$2.54K	Sell	1,233 -115	-9%	-$199	﹤0.01%	1875
2025 Q3	$2.14K	Buy	+1,348	New	+$1.82K	﹤0.01%	2361
2025 Q2	–	Sell	-2,374	Closed	-$3.3K	–	1486
2025 Q1	$3.3K	Sell	2,374 -660	-22%	-$1.1K	﹤0.01%	1178
2024 Q4	$4.67K	Buy	3,034 +1,497	+97%	+$2.58K	﹤0.01%	871
2024 Q3	$2.67K	Sell	1,537 -1,564	-50%	-$3.28K	﹤0.01%	844
2024 Q2	$5.46K	Buy	+3,101	New	+$5.55K	﹤0.01%	785

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

Optiver Holding's CERS Position: Q2 2026 in Review

Optiver Holding reduced its Cerus (CERS) stake by 51% in Q2 2026, selling an estimated $1.86K and leaving 735 shares worth $2.15K. The position accounts for ﹤0.01% of the portfolio, ranked #2292.

Optiver Holding first reported a position in CERS in Q2 2024 and has held it in 8 quarters since. The position peaked at $5.46K in Q2 2024. 185 funds tracked by Wall St. Rank hold CERS as of Q2 2026.

Optiver Holding held 735 shares of Cerus worth $2.15K as of Q2 2026.
Optiver Holding sold 765 Cerus shares in Q2 2026, an estimated $1.86K.
Cerus made up ﹤0.01% of Optiver Holding's portfolio in Q2 2026, its #2292 holding.
Optiver Holding first reported a position in Cerus in Q2 2024 and has held it in 8 quarters since.
Optiver Holding's Cerus position peaked at $5.46K in Q2 2024.
185 funds tracked by Wall St. Rank held Cerus as of Q2 2026.

Based on Optiver Holding's 13F filing for Q2 2026, filed 12 Aug 2026.