Group One Trading’s Cerus CERS Stock Holding History

Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake
Trade Value Portfolio Weight Portfolio Position
2026
Q1
$22.1K Sell
12,128
-9,516
-44% -$20.7K ﹤0.01% 5900
2025
Q4
$44.6K Buy
+21,644
New +$37.5K ﹤0.01% 5698
2024
Q4
Sell
-7,316
Closed -$12.6K 7324
2024
Q3
$12.7K Sell
7,316
-28,400
-80% -$59.6K ﹤0.01% 5484
2024
Q2
$62.9K Buy
35,716
+1,691
+5% +$3.02K ﹤0.01% 4343
2024
Q1
$64.3K Buy
34,025
+26,400
+346% +$53.8K ﹤0.01% 4506
2023
Q4
$16.5K Buy
7,625
+5,700
+296% +$9.39K ﹤0.01% 5890
2023
Q3
$3.12K Buy
+1,925
New +$4K ﹤0.01% 6901
2023
Q1
Sell
-17,501
Closed -$52.7K 7262
2022
Q4
$63.9K Sell
17,501
-19,181
-52% -$72.3K ﹤0.01% 4810
2022
Q3
$132K Sell
36,682
-3,909
-10% -$18.7K ﹤0.01% 4517
2022
Q2
$215K Sell
40,591
-24,545
-38% -$123K ﹤0.01% 4235
2022
Q1
$358K Buy
65,136
+8,562
+15% +$47.4K ﹤0.01% 4191
2021
Q4
$385K Buy
56,574
+7,539
+15% +$50.8K ﹤0.01% 4414
2021
Q3
$299K Buy
49,035
+35,180
+254% +$205K ﹤0.01% 4747
2021
Q2
$82K Sell
13,855
-4,739
-25% -$27.8K ﹤0.01% 6142
2021
Q1
$112K Sell
18,594
-4,752
-20% -$32.3K ﹤0.01% 5559
2020
Q4
$162K Buy
23,346
+6,696
+40% +$43.9K ﹤0.01% 4217
2020
Q3
$104K Buy
+16,650
New +$110K ﹤0.01% 4164
2020
Q2
Sell
-20,334
Closed -$117K 5808
2020
Q1
$95K Sell
20,334
-4,027
-17% -$18.2K ﹤0.01% 3336
2019
Q4
$103K Buy
+24,361
New +$105K ﹤0.01% 3617
2019
Q3
Sell
-68,201
Closed -$366K 5170
2019
Q2
$383K Buy
68,201
+36,944
+118% +$204K ﹤0.01% 2375
2019
Q1
$195K Sell
31,257
-63,480
-67% -$385K ﹤0.01% 2727
2018
Q4
$480K Buy
94,737
+56,549
+148% +$328K ﹤0.01% 2011
2018
Q3
$275K Sell
38,188
-18,710
-33% -$136K ﹤0.01% 2772
2018
Q2
$380K Sell
56,898
-17,670
-24% -$108K ﹤0.01% 2529
2018
Q1
$409K Sell
74,568
-2,121
-3% -$9.64K ﹤0.01% 2211
2017
Q4
$259K Sell
76,689
-894
-1% -$3.03K ﹤0.01% 2764
2017
Q3
$212K Sell
77,583
-159,436
-67% -$391K ﹤0.01% 2719
2017
Q2
$595K Buy
237,019
+229,643
+3,113% +$735K 0.01% 1843
2017
Q1
$33K Sell
7,376
-54,808
-88% -$232K ﹤0.01% 3639
2016
Q4
$271K Buy
62,184
+53,339
+603% +$277K ﹤0.01% 2211
2016
Q3
$55K Sell
8,845
-73,192
-89% -$479K ﹤0.01% 3293
2016
Q2
$512K Buy
82,037
+60,220
+276% +$358K 0.01% 1713
2016
Q1
$129K Buy
+21,817
New +$121K ﹤0.01% 2648
2015
Q4
Sell
-39,826
Closed -$212K 4764
2015
Q3
$181K Buy
+39,826
New +$206K ﹤0.01% 2575
2015
Q2
Sell
-119,118
Closed -$564K 4869
2015
Q1
$497K Buy
119,118
+4,698
+4% +$24.1K 0.01% 1602
2014
Q4
$714K Sell
114,420
-36,188
-24% -$164K 0.01% 1292
2014
Q3
$604K Buy
150,608
+30,637
+26% +$118K 0.01% 1471
2014
Q2
$498K Buy
119,971
+74,866
+166% +$321K 0.01% 1643
2014
Q1
$217K Sell
45,105
-34,629
-43% -$223K ﹤0.01% 2370
2013
Q4
$514K Buy
79,734
+32,396
+68% +$203K 0.01% 1636
2013
Q3
$318K Buy
+47,338
New +$257K 0.01% 1987

Other funds holding CERS

Group One Trading's CERS Position: Q1 2026 in Review

Group One Trading reduced its Cerus (CERS) stake by 44% in Q1 2026, selling an estimated $20.7K and leaving 12,128 shares worth $22.1K. The position accounts for ﹤0.01% of the portfolio, ranked #5900.

Group One Trading first reported a position in CERS in Q3 2013 and has held it in 41 quarters since. The position peaked at $714K in Q4 2014. 168 funds tracked by Wall St. Rank hold CERS as of Q1 2026.

  • Group One Trading held 12,128 shares of Cerus worth $22.1K as of Q1 2026.
  • Group One Trading sold 9,516 Cerus shares in Q1 2026, an estimated $20.7K.
  • Cerus made up ﹤0.01% of Group One Trading's portfolio in Q1 2026, its #5900 holding.
  • Group One Trading first reported a position in Cerus in Q3 2013 and has held it in 41 quarters since.
  • Group One Trading's Cerus position peaked at $714K in Q4 2014.
  • 168 funds tracked by Wall St. Rank held Cerus as of Q1 2026.

Based on Group One Trading's 13F filing for Q1 2026, filed 13 May 2026.