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	$3.9M	Buy	59,600 +7,600	+15%	+$486K	0.01%	1291
2025 Q4	$3.14M	Buy	52,000 +20,800	+67%	+$1.28M	﹤0.01%	1598
2025 Q3	$1.81M	Buy	31,200 +7,600	+32%	+$404K	﹤0.01%	1883
2025 Q2	$1.18M	Buy	23,600 +3,000	+15%	+$117K	﹤0.01%	2089
2025 Q1	$681K	Sell	20,600 -14,700	-42%	-$576K	﹤0.01%	2318
2024 Q4	$1.36M	Sell	35,300 -41,100	-54%	-$1.52M	﹤0.01%	1940
2024 Q3	$2.55M	Sell	76,400 -31,200	-29%	-$959K	0.01%	1527
2024 Q2	$3.17M	Buy	107,600 +66,600	+162%	+$1.99M	0.01%	1318
2024 Q1	$1.17M	Sell	41,000 -54,544	-57%	-$1.43M	﹤0.01%	2113
2023 Q4	$2.19M	Sell	95,544 -72,056	-43%	-$1.44M	﹤0.01%	1855
2023 Q3	$3.41M	Buy	167,600 +74,710	+80%	+$1.51M	0.01%	1382
2023 Q2	$1.93M	Sell	92,890 -147,297	-61%	-$2.63M	0.01%	1674
2023 Q1	$4.16M	Sell	240,187 -1,858	-0.8%	-$32.1K	0.01%	1169
2022 Q4	$3.91M	Sell	242,045 -327,238	-57%	-$4.91M	0.01%	1219
2022 Q3	$7.15M	Buy	569,283 +30,388	+6%	+$388K	0.02%	798
2022 Q2	$5.88M	Buy	538,895 +280,661	+109%	+$3.48M	0.02%	922
2022 Q1	$3.61M	Buy	258,234 +219,751	+571%	+$2.81M	0.01%	1214
2021 Q4	$532K	Sell	38,483 -3,981	-9%	-$53.9K	﹤0.01%	2906
2021 Q3	$566K	Sell	42,464 -6,237	-13%	-$83.8K	﹤0.01%	2782
2021 Q2	$656K	Sell	48,701 -216,301	-82%	-$2.94M	﹤0.01%	2599
2021 Q1	$3.66M	Buy	265,002 +209,135	+374%	+$2.88M	0.02%	872
2020 Q4	$757K	Buy	55,867 +42,332	+313%	+$489K	﹤0.01%	2270
2020 Q3	$114K	Sell	13,535 -26,408	-66%	-$215K	﹤0.01%	3337
2020 Q2	$309K	Sell	39,943 -90,103	-69%	-$649K	﹤0.01%	2689
2020 Q1	$821K	Buy	130,046 +55,999	+76%	+$485K	0.01%	1450
2019 Q4	$704K	Buy	74,047 +53,346	+258%	+$460K	﹤0.01%	2107
2019 Q3	$163K	Buy	20,701 +8,094	+64%	+$62.2K	﹤0.01%	3062
2019 Q2	$91K	Sell	12,607 -18,312	-59%	-$141K	﹤0.01%	3339
2019 Q1	$233K	Buy	30,919 +9,952	+47%	+$71.2K	﹤0.01%	2912
2018 Q4	$120K	Sell	20,967 -143,846	-87%	-$1M	﹤0.01%	3782
2018 Q3	$1.63M	Sell	164,813 -42,066	-20%	-$440K	0.01%	1554
2018 Q2	$2.2M	Buy	206,879 +89,174	+76%	+$1M	0.01%	1245
2018 Q1	$1.45M	Buy	117,705 +59,980	+104%	+$818K	0.01%	1551
2017 Q4	$781	Buy	57,725 +40,739	+240%	+$551K	﹤0.01%	2179
2017 Q3	$213	Sell	16,986 -8,492	-33%	-$105K	﹤0.01%	3176
2017 Q2	$313	Buy	25,478 +16,454	+182%	+$204K	﹤0.01%	2772
2017 Q1	$115	Sell	9,024 -9,421	-51%	-$113K	﹤0.01%	3324
2016 Q4	$199K	Sell	18,445 -47,772	-72%	-$510K	﹤0.01%	2797
2016 Q3	$679K	Buy	66,217 +37,554	+131%	+$365K	﹤0.01%	1864
2016 Q2	$256K	Buy	28,663 +9,820	+52%	+$91.5K	﹤0.01%	2763
2016 Q1	$171K	Buy	18,843 +8,625	+84%	+$69.3K	﹤0.01%	2911
2015 Q4	$87K	Buy	10,218 +2,787	+38%	+$23.6K	﹤0.01%	3416
2015 Q3	$59K	Buy	+7,431	New	+$60.4K	﹤0.01%	3370
2015 Q2	–	Sell	-7,431	Closed	-$71K	–	4930
2015 Q1	$71K	Buy	+7,431	New	+$65.2K	﹤0.01%	2877
2014 Q4	–	Sell	-104,833	Closed	-$816K	–	4313
2014 Q3	$816K	Buy	+104,833	New	+$857K	0.01%	959
2014 Q1	–	Sell	-1,858	Closed	-$11K	–	3645
2013 Q4	$11K	Buy	1,858 +1,062	+133%	+$6.45K	﹤0.01%	3312
2013 Q3	$5K	Sell	796 -9,289	-92%	-$61.2K	﹤0.01%	2760
2013 Q2	$59K	Buy	+10,085	New	+$54.7K	﹤0.01%	2200

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.