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 Q2	$42K	Buy	14,400 +4,300	+43%	+$10.4K	﹤0.01%	10998
2026 Q1	$18.4K	Buy	+10,100	New	+$22K	﹤0.01%	11207
2023 Q1	–	Sell	-38,300	Closed	-$140K	–	9103
2022 Q4	$140K	Sell	38,300 -84,600	-69%	-$319K	﹤0.01%	7908
2022 Q3	$442K	Buy	122,900 +8,700	+8%	+$41.6K	﹤0.01%	6905
2022 Q2	$604K	Buy	114,200 +94,700	+486%	+$473K	﹤0.01%	6397
2022 Q1	$107K	Sell	19,500 -35,500	-65%	-$197K	﹤0.01%	9421
2021 Q4	$375K	Buy	55,000 +13,300	+32%	+$89.5K	﹤0.01%	7771
2021 Q3	$254K	Buy	41,700 +9,600	+30%	+$56K	﹤0.01%	8479
2021 Q2	$190K	Buy	32,100 +5,500	+21%	+$32.2K	﹤0.01%	8870
2021 Q1	$160K	Sell	26,600 -600	-2%	-$4.08K	﹤0.01%	8423
2020 Q4	$188K	Buy	+27,200	New	+$178K	﹤0.01%	6980
2020 Q3	–	Sell	-12,400	Closed	-$82K	–	7183
2020 Q2	$82K	Buy	+12,400	New	+$71.1K	﹤0.01%	6769

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.