Walleye Trading’s Flex FLEX Stock Holding History

Walleye 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	$4.45M	Buy	68,000 +16,300	+32%	+$1.04M	0.01%	1203
2025 Q4	$3.12M	Sell	51,700 -8,500	-14%	-$525K	﹤0.01%	1603
2025 Q3	$3.49M	Sell	60,200 -7,200	-11%	-$382K	0.01%	1444
2025 Q2	$3.36M	Sell	67,400 -48,400	-42%	-$1.89M	0.01%	1431
2025 Q1	$3.83M	Buy	115,800 +25,200	+28%	+$987K	0.01%	1252
2024 Q4	$3.48M	Buy	90,600 +25,700	+40%	+$951K	0.01%	1377
2024 Q3	$2.17M	Buy	64,900 +38,300	+144%	+$1.18M	﹤0.01%	1632
2024 Q2	$784K	Sell	26,600 -7,500	-22%	-$225K	﹤0.01%	2235
2024 Q1	$976K	Sell	34,100 -147,168	-81%	-$3.86M	﹤0.01%	2273
2023 Q4	$4.16M	Sell	181,268 -49,365	-21%	-$988K	0.01%	1357
2023 Q3	$4.69M	Sell	230,633 -11,810	-5%	-$239K	0.01%	1162
2023 Q2	$5.05M	Sell	242,443 -353,778	-59%	-$6.31M	0.02%	961
2023 Q1	$10.3M	Buy	596,221 +416,014	+231%	+$7.2M	0.02%	616
2022 Q4	$2.91M	Buy	180,207 +143,316	+388%	+$2.15M	0.01%	1424
2022 Q3	$463K	Sell	36,891 -85,857	-70%	-$1.1M	﹤0.01%	2975
2022 Q2	$1.34M	Sell	122,748 -153,003	-55%	-$1.9M	﹤0.01%	1984
2022 Q1	$3.85M	Buy	275,751 +215,771	+360%	+$2.76M	0.01%	1170
2021 Q4	$829K	Sell	59,980 -40,872	-41%	-$553K	﹤0.01%	2421
2021 Q3	$1.34M	Sell	100,852 -225,192	-69%	-$3.03M	﹤0.01%	1932
2021 Q2	$4.39M	Buy	326,044 +255,182	+360%	+$3.47M	0.02%	879
2021 Q1	$978K	Sell	70,862 -40,739	-37%	-$561K	﹤0.01%	1935
2020 Q4	$1.51M	Buy	111,601 +44,720	+67%	+$517K	0.01%	1632
2020 Q3	$561K	Buy	66,881 +48,436	+263%	+$395K	﹤0.01%	2150
2020 Q2	$142K	Sell	18,445 -1,460	-7%	-$10.5K	﹤0.01%	3308
2020 Q1	$126K	Sell	19,905 -149,155	-88%	-$1.29M	﹤0.01%	2963
2019 Q4	$1.61M	Buy	169,060 +124,738	+281%	+$1.08M	0.01%	1384
2019 Q3	$350K	Buy	44,322 +18,313	+70%	+$141K	﹤0.01%	2457
2019 Q2	$188K	Sell	26,009 -6,237	-19%	-$48K	﹤0.01%	2991
2019 Q1	$243K	Sell	32,246 -34,900	-52%	-$250K	﹤0.01%	2882
2018 Q4	$385K	Sell	67,146 -70,066	-51%	-$489K	﹤0.01%	2748
2018 Q3	$1.36M	Sell	137,212 -150,614	-52%	-$1.58M	0.01%	1746
2018 Q2	$3.06M	Buy	287,826 +140,794	+96%	+$1.58M	0.02%	956
2018 Q1	$1.81M	Buy	147,032 +65,023	+79%	+$887K	0.01%	1299
2017 Q4	$1.11K	Buy	82,009 +30,256	+58%	+$409K	0.01%	1829
2017 Q3	$646	Buy	51,753 +38,085	+279%	+$469K	﹤0.01%	2238
2017 Q2	$169	Buy	13,668 +1,061	+8%	+$13.1K	﹤0.01%	3231
2017 Q1	$160	Sell	12,607 -16,056	-56%	-$192K	﹤0.01%	3112
2016 Q4	$310K	Sell	28,663 -13,668	-32%	-$146K	﹤0.01%	2479
2016 Q3	$433K	Buy	42,331 +24,018	+131%	+$233K	﹤0.01%	2243
2016 Q2	$163K	Buy	18,313 +12,076	+194%	+$112K	﹤0.01%	3106
2016 Q1	$57K	Sell	6,237 -30,654	-83%	-$246K	﹤0.01%	3772
2015 Q4	$312K	Sell	36,891 -84,928	-70%	-$718K	﹤0.01%	2274
2015 Q3	$967K	Buy	121,819 +91,033	+296%	+$740K	0.01%	1073
2015 Q2	$262K	Sell	30,786 -20,304	-40%	-$187K	﹤0.01%	2237
2015 Q1	$489K	Buy	51,090 +9,422	+23%	+$82.7K	﹤0.01%	1505
2014 Q4	$351K	Buy	41,668 +15,791	+61%	+$125K	﹤0.01%	1858
2014 Q3	$201K	Sell	25,877 -530	-2%	-$4.33K	﹤0.01%	2073
2014 Q2	$220	Buy	26,407 +25,080	+1,890%	+$189K	﹤0.01%	1925
2014 Q1	$10	Sell	1,327 -26,142	-95%	-$169K	﹤0.01%	3225
2013 Q4	$162K	Sell	27,469 -1,327	-5%	-$8.06K	﹤0.01%	2271
2013 Q3	$197K	Buy	28,796 +14,597	+103%	+$96.1K	﹤0.01%	1699
2013 Q2	$83K	Buy	+14,199	New	+$77.1K	﹤0.01%	2076

Other funds holding FLEX

BlackRock New York $5.72T AUM 30.48% 1-Year Est. Return

Primecap Management Pasadena, California $127B AUM 44.11% 1-Year Est. Return

Janus Henderson Group London, United Kingdom $209B AUM 37.72% 1-Year Est. Return

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 Boston, Massachusetts $1.9T AUM 41.92% 1-Year Est. Return

State Street Boston, Massachusetts $2.9T AUM 29.55% 1-Year Est. Return

Boston Partners Boston, Massachusetts $95.5B AUM 28.4% 1-Year Est. Return

Geode Capital Management Boston, Massachusetts $1.61T AUM 30.72% 1-Year Est. Return

Walleye Trading's FLEX Position: Q1 2026 in Review

Walleye Trading sold out of Flex (FLEX) in Q1 2026, closing a stake of 24,673 shares — an estimated $1.58M sold.

Walleye Trading first reported a position in FLEX in Q1 2014 and held it in 32 quarters. The position peaked at $5.86M in Q1 2023. 783 funds tracked by Wall St. Rank hold FLEX as of Q1 2026.

Walleye Trading reported no remaining Flex position as of Q1 2026 after selling out during the quarter.
Walleye Trading sold 24,673 Flex shares in Q1 2026, an estimated $1.58M.
Walleye Trading first reported a position in Flex in Q1 2014 and held it in 32 quarters.
Walleye Trading's Flex position peaked at $5.86M in Q1 2023.
783 funds tracked by Wall St. Rank held Flex as of Q1 2026.

Based on Walleye Trading's 13F filing for Q1 2026, filed 11 May 2026.