Jane Street’s Cerus CERS Stock Holding History

Jane Street’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 Q1	–	Sell	-29,400	Closed	-$60.6K	–	11702
2025 Q4	$60.6K	Buy	+29,400	New	+$51K	﹤0.01%	10432
2023 Q2	–	Sell	-12,200	Closed	-$36.2K	–	8741
2023 Q1	$36.2K	Sell	12,200 -34,100	-74%	-$103K	﹤0.01%	8529
2022 Q4	$169K	Sell	46,300 -4,200	-8%	-$15.8K	﹤0.01%	7788
2022 Q3	$182K	Sell	50,500 -29,400	-37%	-$141K	﹤0.01%	8259
2022 Q2	$423K	Buy	79,900 +61,100	+325%	+$305K	﹤0.01%	7030
2022 Q1	$103K	Sell	18,800 -15,500	-45%	-$85.8K	﹤0.01%	9441
2021 Q4	$234K	Buy	34,300 +3,100	+10%	+$20.9K	﹤0.01%	8581
2021 Q3	$190K	Sell	31,200 -36,500	-54%	-$213K	﹤0.01%	8888
2021 Q2	$400K	Buy	67,700 +9,400	+16%	+$55.1K	﹤0.01%	7660
2021 Q1	$350K	Sell	58,300 -15,300	-21%	-$104K	﹤0.01%	7445
2020 Q4	$509K	Buy	+73,600	New	+$483K	﹤0.01%	5721
2020 Q3	–	Sell	-25,200	Closed	-$166K	–	7182
2020 Q2	$166K	Buy	+25,200	New	+$144K	﹤0.01%	6484

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

Jane Street's CERS Position: Q2 2026 in Review

Jane Street reduced its Cerus (CERS) stake by 44% in Q2 2026, selling an estimated $56.5K and leaving 29,887 shares worth $87.3K. The position accounts for ﹤0.01% of the portfolio, ranked #10669.

Jane Street first reported a position in CERS in Q3 2013 and has held it in 30 quarters since. The position peaked at $1.14M in Q4 2020. 185 funds tracked by Wall St. Rank hold CERS as of Q2 2026.

Jane Street held 29,887 shares of Cerus worth $87.3K as of Q2 2026.
Jane Street sold 23,296 Cerus shares in Q2 2026, an estimated $56.5K.
Cerus made up ﹤0.01% of Jane Street's portfolio in Q2 2026, its #10669 holding.
Jane Street first reported a position in Cerus in Q3 2013 and has held it in 30 quarters since.
Jane Street's Cerus position peaked at $1.14M in Q4 2020.
185 funds tracked by Wall St. Rank held Cerus as of Q2 2026.

Based on Jane Street's 13F filing for Q2 2026, filed 14 Aug 2026.