Group One Trading
FLEX icon

Group One Trading’s Flex FLEX Stock Holding History

Group One Trading’s Portfolio FLEX Stock Details FLEX Fund Activity
Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake 		Trade Value Portfolio Weight Portfolio Position
2026
Q1 		$2.83M Sell
43,200
-98,000
-69% -$6.27M 0.01% 1761
2025
Q4 		$8.53M Buy
141,200
+75,300
+114% +$4.65M 0.01% 1055
2025
Q3 		$3.82M Buy
65,900
+26,800
+69% +$1.42M 0.01% 1734
2025
Q2 		$1.95M Buy
39,100
+8,500
+28% +$331K ﹤0.01% 2168
2025
Q1 		$1.01M Sell
30,600
-113,000
-79% -$4.43M ﹤0.01% 2456
2024
Q4 		$5.51M Buy
143,600
+60,900
+74% +$2.25M 0.01% 1093
2024
Q3 		$2.76M Sell
82,700
-70,400
-46% -$2.16M 0.01% 1466
2024
Q2 		$4.51M Sell
153,100
-57,900
-27% -$1.73M 0.02% 871
2024
Q1 		$6.04M Buy
211,000
+35,969
+21% +$943K 0.02% 716
2023
Q4 		$4.02M Sell
175,031
-66,616
-28% -$1.33M 0.01% 1304
2023
Q3 		$4.91M Sell
241,647
-43,525
-15% -$882K 0.02% 954
2023
Q2 		$5.94M Sell
285,172
-251,865
-47% -$4.49M 0.02% 834
2023
Q1 		$9.31M Buy
537,037
+81,611
+18% +$1.41M 0.03% 504
2022
Q4 		$7.37M Buy
455,426
+5,440
+1% +$81.6K 0.02% 918
2022
Q3 		$5.65M Buy
449,986
+324,452
+258% +$4.15M 0.01% 1072
2022
Q2 		$1.37M Buy
125,534
+25,478
+25% +$316K ﹤0.01% 2427
2022
Q1 		$1.4M Buy
100,056
+43,924
+78% +$561K ﹤0.01% 2754
2021
Q4 		$775K Sell
56,132
-178,349
-76% -$2.41M ﹤0.01% 3616
2021
Q3 		$3.12M Buy
234,481
+107,354
+84% +$1.44M ﹤0.01% 2197
2021
Q2 		$1.71M Sell
127,127
-57,591
-31% -$782K ﹤0.01% 2823
2021
Q1 		$2.55M Sell
184,718
-56,265
-23% -$775K ﹤0.01% 2196
2020
Q4 		$3.27M Buy
240,983
+194,140
+414% +$2.24M 0.01% 1634
2020
Q3 		$393K Buy
46,843
+43,127
+1,161% +$352K ﹤0.01% 3058
2020
Q2 		$29K Buy
3,716
+398
+12% +$2.87K ﹤0.01% 4658
2020
Q1 		$21K Sell
3,318
-26,540
-89% -$230K ﹤0.01% 4200
2019
Q4 		$284K Buy
29,858
+17,650
+145% +$152K ﹤0.01% 2906
2019
Q3 		$96K Buy
12,208
+3,848
+46% +$29.6K ﹤0.01% 3587
2019
Q2 		$60K Sell
8,360
-10,882
-57% -$83.7K ﹤0.01% 3675
2019
Q1 		$145K Sell
19,242
-68,075
-78% -$487K ﹤0.01% 2925
2018
Q4 		$501K Buy
87,317
+23,488
+37% +$164K ﹤0.01% 1984
2018
Q3 		$631K Buy
63,829
+16,190
+34% +$169K 0.01% 2086
2018
Q2 		$507K Sell
47,639
-40,474
-46% -$454K ﹤0.01% 2275
2018
Q1 		$1.08M Buy
88,113
+38,483
+78% +$525K 0.01% 1466
2017
Q4 		$673K Buy
49,630
+45,782
+1,190% +$619K ﹤0.01% 2014
2017
Q3 		$48K Sell
3,848
-11,014
-74% -$136K ﹤0.01% 3659
2017
Q2 		$183K Buy
14,862
+8,890
+149% +$110K ﹤0.01% 2701
2017
Q1 		$76K Sell
5,972
-6,502
-52% -$77.9K ﹤0.01% 3148
2016
Q4 		$135K Sell
12,474
-6,768
-35% -$72.3K ﹤0.01% 2669
2016
Q3 		$197K Sell
19,242
-29,724
-61% -$289K ﹤0.01% 2481
2016
Q2 		$435K Buy
48,966
+23,886
+95% +$223K 0.01% 1840
2016
Q1 		$228K Buy
25,080
+24,416
+3,677% +$196K ﹤0.01% 2233
2015
Q4 		$6K Sell
664
-14,464
-96% -$122K ﹤0.01% 4325
2015
Q3 		$120K Sell
15,128
-3,450
-19% -$28K ﹤0.01% 2914
2015
Q2 		$158K Buy
18,578
+15,260
+460% +$140K ﹤0.01% 2725
2015
Q1 		$32K Buy
3,318
+133
+4% +$1.17K ﹤0.01% 3622
2014
Q4 		$27K Sell
3,185
-6,768
-68% -$53.5K ﹤0.01% 3786
2014
Q3 		$77K Sell
9,953
-7,829
-44% -$64K ﹤0.01% 3217
2014
Q2 		$148K Sell
17,782
-36,890
-67% -$278K ﹤0.01% 2645
2014
Q1 		$381K Buy
54,672
+50,426
+1,188% +$326K 0.01% 1869
2013
Q4 		$25K Buy
+4,246
New +$25.8K ﹤0.01% 4124

Other funds holding FLEX

BlackRock
BlackRock New York $5.72T AUM 30.48% 1-Year Est. Return
Primecap Management
Primecap Management Pasadena, California $127B AUM 44.11% 1-Year Est. Return
Janus Henderson Group
Janus Henderson Group London, United Kingdom $209B AUM 37.72% 1-Year Est. Return
Wellington Management Group
Wellington Management Group Boston, Massachusetts $535B AUM 26.23% 1-Year Est. Return
VPM
Vanguard Portfolio Management Malvern, Pennsylvania $1.91T AUM
VCM
Vanguard Capital Management Malvern, Pennsylvania $4.04T AUM
Fidelity Investments
Fidelity Investments Boston, Massachusetts $1.9T AUM 41.92% 1-Year Est. Return
State Street
State Street Boston, Massachusetts $2.9T AUM 29.55% 1-Year Est. Return
Boston Partners
Boston Partners Boston, Massachusetts $95.5B AUM 28.4% 1-Year Est. Return
Geode Capital Management
Geode Capital Management Boston, Massachusetts $1.61T AUM 30.72% 1-Year Est. Return

Group One Trading's FLEX Position: Q4 2025 in Review

Group One Trading sold out of Flex (FLEX) in Q4 2025, closing a stake of 9,973 shares — an estimated $616K sold.

Group One Trading first reported a position in FLEX in Q3 2013 and held it in 29 quarters. The position peaked at $12M in Q4 2023. 761 funds tracked by Wall St. Rank hold FLEX as of Q4 2025.

  • Group One Trading reported no remaining Flex position as of Q4 2025 after selling out during the quarter.
  • Group One Trading sold 9,973 Flex shares in Q4 2025, an estimated $616K.
  • Group One Trading first reported a position in Flex in Q3 2013 and held it in 29 quarters.
  • Group One Trading's Flex position peaked at $12M in Q4 2023.
  • 761 funds tracked by Wall St. Rank held Flex as of Q4 2025.

Based on Group One Trading's 13F filing for Q4 2025, filed 12 Feb 2026.