Group One Trading
CERS icon

Group One Trading’s Cerus CERS Stock Holding History

Group One Trading’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
2025
Q4 		– Sell
-1,700
Closed -$2.7K – 8215
2025
Q3 		$2.7K Sell
1,700
-12,100
-88% -$16.3K ﹤0.01% 7806
2025
Q2 		$19.5K Hold
13,800
– – ﹤0.01% 6277
2025
Q1 		$19.2K Buy
+13,800
New +$23.1K ﹤0.01% 5837
2024
Q4 		– Sell
-51,300
Closed -$89.3K – 7325
2024
Q3 		$89.3K Buy
+51,300
New +$108K ﹤0.01% 4266
2024
Q2 		– Sell
-2,000
Closed -$3.78K – 6783
2024
Q1 		$3.78K Buy
+2,000
New +$4.08K ﹤0.01% 6291
2023
Q4 		– Sell
-500
Closed -$810 – 7453
2023
Q3 		$810 Sell
500
-700
-58% -$1.46K ﹤0.01% 7255
2023
Q2 		$2.95K Buy
1,200
+300
+33% +$713 ﹤0.01% 6942
2023
Q1 		$2.67K Sell
900
-42,300
-98% -$127K ﹤0.01% 6535
2022
Q4 		$158K Sell
43,200
-56,100
-56% -$212K ﹤0.01% 4054
2022
Q3 		$357K Sell
99,300
-16,600
-14% -$79.4K ﹤0.01% 3559
2022
Q2 		$613K Buy
115,900
+115,300
+19,217% +$576K ﹤0.01% 3233
2022
Q1 		$3K Sell
600
-58,700
-99% -$325K ﹤0.01% 7612
2021
Q4 		$404K Buy
59,300
+20,700
+54% +$139K ﹤0.01% 4368
2021
Q3 		$235K Sell
38,600
-22,400
-37% -$131K ﹤0.01% 5003
2021
Q2 		$361K Sell
61,000
-12,400
-17% -$72.7K ﹤0.01% 4575
2021
Q1 		$441K Buy
73,400
+41,700
+132% +$284K ﹤0.01% 4197
2020
Q4 		$219K Sell
31,700
-23,900
-43% -$157K ﹤0.01% 3991
2020
Q3 		$348K Buy
55,600
+2,100
+4% +$13.9K ﹤0.01% 3177
2020
Q2 		$353K Sell
53,500
-84,400
-61% -$484K ﹤0.01% 2906
2020
Q1 		$641K Buy
137,900
+66,200
+92% +$300K 0.01% 1868
2019
Q4 		$303K Buy
71,700
+37,300
+108% +$161K ﹤0.01% 2857
2019
Q3 		$177K Sell
34,400
-117,500
-77% -$630K ﹤0.01% 3168
2019
Q2 		$854K Buy
151,900
+70,100
+86% +$387K 0.01% 1702
2019
Q1 		$510K Sell
81,800
-74,600
-48% -$453K 0.01% 1925
2018
Q4 		$793K Buy
156,400
+39,900
+34% +$232K 0.01% 1674
2018
Q3 		$840K Buy
116,500
+18,500
+19% +$134K 0.01% 1841
2018
Q2 		$654K Buy
98,000
+46,000
+88% +$282K 0.01% 2085
2018
Q1 		$285K Buy
52,000
+15,500
+42% +$70.5K ﹤0.01% 2515
2017
Q4 		$123K Sell
36,500
-7,000
-16% -$23.7K ﹤0.01% 3237
2017
Q3 		$119K Sell
43,500
-184,500
-81% -$452K ﹤0.01% 3120
2017
Q2 		$572K Buy
228,000
+203,500
+831% +$651K 0.01% 1879
2017
Q1 		$109K Sell
24,500
-72,200
-75% -$306K ﹤0.01% 2917
2016
Q4 		$421K Sell
96,700
-38,500
-28% -$200K ﹤0.01% 1894
2016
Q3 		$840K Sell
135,200
-80,200
-37% -$525K 0.01% 1406
2016
Q2 		$1.34M Buy
215,400
+17,200
+9% +$102K 0.02% 1054
2016
Q1 		$1.18M Buy
198,200
+36,500
+23% +$202K 0.02% 1068
2015
Q4 		$1.02M Sell
161,700
-4,400
-3% -$23.4K 0.01% 1308
2015
Q3 		$754K Sell
166,100
-57,200
-26% -$296K 0.01% 1469
2015
Q2 		$1.16M Sell
223,300
-76,900
-26% -$364K 0.02% 1107
2015
Q1 		$1.25M Buy
300,200
+116,600
+64% +$597K 0.02% 908
2014
Q4 		$1.15M Buy
183,600
+7,700
+4% +$34.9K 0.02% 996
2014
Q3 		$705K Sell
175,900
-11,500
-6% -$44.2K 0.01% 1352
2014
Q2 		$778K Buy
187,400
+107,700
+135% +$461K 0.01% 1301
2014
Q1 		$383K Buy
79,700
+35,800
+82% +$230K 0.01% 1862
2013
Q4 		$283K Buy
43,900
+20,800
+90% +$131K ﹤0.01% 2128
2013
Q3 		$155K Buy
+23,100
New +$126K ﹤0.01% 2617

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

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.