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 | $5.46K | Sell |
3,000
-2,300
| -43% | -$5.01K | ﹤0.01% | 6668 |
|
|
2025
Q4 | $10.9K | Sell |
5,300
-84,000
| -94% | -$146K | ﹤0.01% | 6767 |
|
|
2025
Q3 | $142K | Sell |
89,300
-34,300
| -28% | -$46.3K | ﹤0.01% | 5003 |
|
|
2025
Q2 | $174K | Buy |
123,600
+28,500
| +30% | +$38K | ﹤0.01% | 4478 |
|
|
2025
Q1 | $132K | Sell |
95,100
-47,400
| -33% | -$79.3K | ﹤0.01% | 4382 |
|
|
2024
Q4 | $219K | Buy |
142,500
+54,800
| +62% | +$94.3K | ﹤0.01% | 3866 |
|
|
2024
Q3 | $153K | Buy |
87,700
+76,600
| +690% | +$161K | ﹤0.01% | 3854 |
|
|
2024
Q2 | $19.5K | Buy |
11,100
+4,000
| +56% | +$7.15K | ﹤0.01% | 5248 |
|
|
2024
Q1 | $13.4K | Sell |
7,100
-2,200
| -24% | -$4.49K | ﹤0.01% | 5689 |
|
|
2023
Q4 | $20.1K | Sell |
9,300
-38,700
| -81% | -$63.8K | ﹤0.01% | 5749 |
|
|
2023
Q3 | $77.8K | Sell |
48,000
-1,300
| -3% | -$2.7K | ﹤0.01% | 4688 |
|
|
2023
Q2 | $121K | Sell |
49,300
-3,500
| -7% | -$8.32K | ﹤0.01% | 4426 |
|
|
2023
Q1 | $157K | Buy |
52,800
+40,200
| +319% | +$121K | ﹤0.01% | 3888 |
|
|
2022
Q4 | $46K | Sell |
12,600
-7,600
| -38% | -$28.7K | ﹤0.01% | 5061 |
|
|
2022
Q3 | $73K | Sell |
20,200
-34,500
| -63% | -$165K | ﹤0.01% | 5069 |
|
|
2022
Q2 | $289K | Buy |
54,700
+31,000
| +131% | +$155K | ﹤0.01% | 3939 |
|
|
2022
Q1 | $130K | Sell |
23,700
-79,100
| -77% | -$438K | ﹤0.01% | 5241 |
|
|
2021
Q4 | $700K | Sell |
102,800
-3,200
| -3% | -$21.5K | ﹤0.01% | 3731 |
|
|
2021
Q3 | $646K | Sell |
106,000
-31,100
| -23% | -$181K | ﹤0.01% | 3905 |
|
|
2021
Q2 | $810K | Buy |
137,100
+61,600
| +82% | +$361K | ﹤0.01% | 3648 |
|
|
2021
Q1 | $454K | Sell |
75,500
-20,400
| -21% | -$139K | ﹤0.01% | 4153 |
|
|
2020
Q4 | $664K | Buy |
95,900
+46,300
| +93% | +$304K | ﹤0.01% | 3030 |
|
|
2020
Q3 | $311K | Sell |
49,600
-208,500
| -81% | -$1.38M | ﹤0.01% | 3290 |
|
|
2020
Q2 | $1.7M | Buy |
258,100
+99,200
| +62% | +$569K | 0.01% | 1588 |
|
|
2020
Q1 | $739K | Buy |
158,900
+43,400
| +38% | +$197K | 0.01% | 1761 |
|
|
2019
Q4 | $487K | Sell |
115,500
-88,200
| -43% | -$380K | ﹤0.01% | 2450 |
|
|
2019
Q3 | $1.05M | Buy |
203,700
+173,200
| +568% | +$929K | 0.01% | 1707 |
|
|
2019
Q2 | $171K | Sell |
30,500
-2,600
| -8% | -$14.4K | ﹤0.01% | 2978 |
|
|
2019
Q1 | $206K | Sell |
33,100
-48,200
| -59% | -$293K | ﹤0.01% | 2678 |
|
|
2018
Q4 | $412K | Sell |
81,300
-37,700
| -32% | -$219K | ﹤0.01% | 2124 |
|
|
2018
Q3 | $858K | Buy |
119,000
+54,800
| +85% | +$398K | 0.01% | 1823 |
|
|
2018
Q2 | $428K | Buy |
64,200
+22,400
| +54% | +$137K | ﹤0.01% | 2421 |
|
|
2018
Q1 | $229K | Sell |
41,800
-24,800
| -37% | -$113K | ﹤0.01% | 2682 |
|
|
2017
Q4 | $225K | Sell |
66,600
-9,200
| -12% | -$31.1K | ﹤0.01% | 2849 |
|
|
2017
Q3 | $207K | Buy |
75,800
+52,800
| +230% | +$129K | ﹤0.01% | 2739 |
|
|
2017
Q2 | $58K | Sell |
23,000
-54,200
| -70% | -$174K | ﹤0.01% | 3428 |
|
|
2017
Q1 | $344K | Sell |
77,200
-124,900
| -62% | -$529K | ﹤0.01% | 2136 |
|
|
2016
Q4 | $879K | Sell |
202,100
-62,000
| -23% | -$323K | 0.01% | 1396 |
|
|
2016
Q3 | $1.64M | Buy |
264,100
+168,700
| +177% | +$1.1M | 0.02% | 956 |
|
|
2016
Q2 | $595K | Buy |
95,400
+27,400
| +40% | +$163K | 0.01% | 1609 |
|
|
2016
Q1 | $403K | Sell |
68,000
-35,100
| -34% | -$194K | 0.01% | 1835 |
|
|
2015
Q4 | $652K | Sell |
103,100
-44,600
| -30% | -$237K | 0.01% | 1604 |
|
|
2015
Q3 | $671K | Sell |
147,700
-230,400
| -61% | -$1.19M | 0.01% | 1544 |
|
|
2015
Q2 | $1.96M | Buy |
378,100
+268,200
| +244% | +$1.27M | 0.03% | 765 |
|
|
2015
Q1 | $458K | Buy |
109,900
+104,300
| +1,863% | +$534K | 0.01% | 1670 |
|
|
2014
Q4 | $35K | Sell |
5,600
-20,300
| -78% | -$92.1K | ﹤0.01% | 3608 |
|
|
2014
Q3 | $104K | Sell |
25,900
-26,100
| -50% | -$100K | ﹤0.01% | 2948 |
|
|
2014
Q2 | $216K | Sell |
52,000
-15,800
| -23% | -$67.7K | ﹤0.01% | 2336 |
|
|
2014
Q1 | $325K | Buy |
67,800
+33,100
| +95% | +$213K | 0.01% | 2023 |
|
|
2013
Q4 | $224K | Buy |
34,700
+24,200
| +230% | +$152K | ﹤0.01% | 2328 |
|
|
2013
Q3 | $70K | Sell |
10,500
-25,200
| -71% | -$137K | ﹤0.01% | 3298 |
|
|
2013
Q2 | $158K | Buy |
+35,700
| New | +$173K | ﹤0.01% | 2386 |
|
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.