Citadel Advisors
CERS icon

Citadel Advisors’s Cerus CERS Stock Holding History

Citadel Advisors’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
-945,020
Closed -$2.06M – 13092
2025
Q4 		$1.95M Buy
945,020
+45,422
+5% +$78.7K ﹤0.01% 5972
2025
Q3 		$1.43M Sell
899,598
-129,615
-13% -$175K ﹤0.01% 6768
2025
Q2 		$1.45M Sell
1,029,213
-321,593
-24% -$429K ﹤0.01% 6328
2025
Q1 		$1.88M Sell
1,350,806
-378,699
-22% -$634K ﹤0.01% 5650
2024
Q4 		$2.66M Buy
1,729,505
+667,514
+63% +$1.15M ﹤0.01% 5051
2024
Q3 		$1.85M Buy
1,061,991
+731,366
+221% +$1.54M ﹤0.01% 5686
2024
Q2 		$582K Sell
330,625
-857,413
-72% -$1.53M ﹤0.01% 7745
2024
Q1 		$2.25M Sell
1,188,038
-1,356,041
-53% -$2.76M ﹤0.01% 5299
2023
Q4 		$5.5M Buy
2,544,079
+179,845
+8% +$296K ﹤0.01% 3648
2023
Q3 		$3.83M Buy
2,364,234
+1,385,283
+142% +$2.88M ﹤0.01% 4081
2023
Q2 		$2.41M Buy
978,951
+894,394
+1,058% +$2.13M ﹤0.01% 4831
2023
Q1 		$251K Sell
84,557
-310,776
-79% -$936K ﹤0.01% 9746
2022
Q4 		$1.44M Buy
395,333
+155,723
+65% +$587K ﹤0.01% 6114
2022
Q3 		$863K Buy
239,610
+108,226
+82% +$518K ﹤0.01% 7312
2022
Q2 		$695K Sell
131,384
-583,333
-82% -$2.91M ﹤0.01% 7888
2022
Q1 		$3.92M Buy
714,717
+187,366
+36% +$1.04M ﹤0.01% 4648
2021
Q4 		$3.59M Sell
527,351
-175,716
-25% -$1.18M ﹤0.01% 4970
2021
Q3 		$4.28M Buy
703,067
+130,771
+23% +$763K ﹤0.01% 4604
2021
Q2 		$3.38M Buy
572,296
+260,504
+84% +$1.53M ﹤0.01% 5317
2021
Q1 		$1.87M Buy
311,792
+278,091
+825% +$1.89M ﹤0.01% 6542
2020
Q4 		$233K Sell
33,701
-4,379
-11% -$28.7K ﹤0.01% 9503
2020
Q3 		$238K Buy
38,080
+24,473
+180% +$162K ﹤0.01% 8536
2020
Q2 		$90K Sell
13,607
-255,376
-95% -$1.46M ﹤0.01% 9050
2020
Q1 		$1.25M Sell
268,983
-1,100,721
-80% -$4.99M ﹤0.01% 4931
2019
Q4 		$5.78M Buy
1,369,704
+285,223
+26% +$1.23M ﹤0.01% 2915
2019
Q3 		$5.59M Sell
1,084,481
-699,325
-39% -$3.75M ﹤0.01% 2955
2019
Q2 		$10M Buy
1,783,806
+1,677,355
+1,576% +$9.27M ﹤0.01% 2175
2019
Q1 		$664K Sell
106,451
-1,352,147
-93% -$8.21M ﹤0.01% 6306
2018
Q4 		$7.39M Buy
1,458,598
+776,715
+114% +$4.51M ﹤0.01% 2265
2018
Q3 		$4.92M Sell
681,883
-359,142
-34% -$2.61M ﹤0.01% 3026
2018
Q2 		$6.94M Sell
1,041,025
-262,627
-20% -$1.61M ﹤0.01% 2349
2018
Q1 		$7.14M Buy
1,303,652
+763,704
+141% +$3.47M ﹤0.01% 2061
2017
Q4 		$1.82M Sell
539,948
-393,141
-42% -$1.33M ﹤0.01% 3768
2017
Q3 		$2.55M Buy
933,089
+269,401
+41% +$660K ﹤0.01% 3119
2017
Q2 		$1.67M Buy
663,688
+507,096
+324% +$1.62M ﹤0.01% 3405
2017
Q1 		$696K Buy
156,592
+78,004
+99% +$331K ﹤0.01% 4510
2016
Q4 		$342K Buy
78,588
+926
+1% +$4.82K ﹤0.01% 5494
2016
Q3 		$482K Buy
77,662
+24,513
+46% +$160K ﹤0.01% 4917
2016
Q2 		$332K Buy
+53,149
New +$316K ﹤0.01% 5068
2016
Q1 		– Sell
-16,364
Closed -$90.6K – 6863
2015
Q4 		$103K Buy
+16,364
New +$87.1K ﹤0.01% 6638
2015
Q3 		– Sell
-21,831
Closed -$113K – 8891
2015
Q2 		$113K Sell
21,831
-107,606
-83% -$510K ﹤0.01% 6963
2015
Q1 		$539K Sell
129,437
-71,234
-35% -$365K ﹤0.01% 4784
2014
Q4 		$1.25M Buy
200,671
+147,885
+280% +$671K ﹤0.01% 3475
2014
Q3 		$212K Sell
52,786
-7,812
-13% -$30K ﹤0.01% 5664
2014
Q2 		$251K Sell
60,598
-41,331
-41% -$177K ﹤0.01% 5294
2014
Q1 		$489K Buy
101,929
+92,378
+967% +$594K ﹤0.01% 4371
2013
Q4 		$62K Buy
+9,551
New +$60K ﹤0.01% 5920

Other funds holding CERS

BlackRock
BlackRock New York $5.72T AUM 30.48% 1-Year Est. Return
AIM
ARK Investment Management St. Petersburg, Florida $12.9B AUM 64.92% 1-Year Est. Return
SCM
Soleus Capital Management Greenwich, Connecticut $2.47B AUM 115.63% 1-Year Est. Return
BBA
Baker Bros. Advisors New York $17.4B AUM 131.5% 1-Year Est. Return
VCM
Vanguard Capital Management Malvern, Pennsylvania $4.04T AUM
WA
Wasatch Advisors Salt Lake City, Utah $15.3B AUM 25.06% 1-Year Est. Return
Geode Capital Management
Geode Capital Management Boston, Massachusetts $1.61T AUM 30.72% 1-Year Est. Return
NAMA
Nikko Asset Management Americas New York $7.07B AUM 50.91% 1-Year Est. Return
Sumitomo Mitsui Trust Group
Sumitomo Mitsui Trust Group Minato-Ku, Tokyo, Japan $154B AUM 29.96% 1-Year Est. Return
SAM
Silvercrest Asset Management New York $13.8B AUM 28.39% 1-Year Est. Return

Citadel Advisors's CERS Position: Q1 2026 in Review

Citadel Advisors sold out of Cerus (CERS) in Q1 2026, closing a stake of 945,020 shares — an estimated $2.06M sold.

Citadel Advisors first reported a position in CERS in Q4 2013 and held it in 47 quarters. The position peaked at $10M in Q2 2019. 168 funds tracked by Wall St. Rank hold CERS as of Q1 2026.

  • Citadel Advisors reported no remaining Cerus position as of Q1 2026 after selling out during the quarter.
  • Citadel Advisors sold 945,020 Cerus shares in Q1 2026, an estimated $2.06M.
  • Citadel Advisors first reported a position in Cerus in Q4 2013 and held it in 47 quarters.
  • Citadel Advisors's Cerus position peaked at $10M in Q2 2019.
  • 168 funds tracked by Wall St. Rank held Cerus as of Q1 2026.

Based on Citadel Advisors's 13F filing for Q1 2026, filed 15 May 2026.