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
AIM
SCM
BBA
VCM
WA
NAMA
SAM
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.