GROUP ONE TRADING LLC

Position in MSTR — Strategy Inc

CIK 932540 CHICAGO, IL

Position in MSTR

as of Mar 31, 2026 · filed May 13, 2026 Compact

Position Value

$3,304,953

+$1,840,915 QoQ

Shares Held

26,482

+174.9% QoQ

Ownership

0.008%

of shares outstanding

% of Portfolio

0.13%

of 13F equity value

Holder Rank

—

not a current holder

Holding Since

Dec 2020

14 quarters on record

Voting authority Sole 100.ToString("F0")% Shared 0.ToString("F0")% None 0.ToString("F0")%

Technology · as of Mar 31, 2026

GROUP ONE TRADING LLC holds $59,570,969 across 72 Software - Application names. MSTR ranks #5 (5.5% of the industry book) .

#	Ticker	Company	Shares	Value (USD)
1	DAVE	Dave Inc./DE	56,355	$9,810,841
2	UBER	Uber Technologies, Inc	109,506	$7,876,766
3	GRAB	Grab Holdings Ltd	1,510,157	$5,527,174
4	BULL	Webull Corp	829,943	$3,983,726
5	MSTR	Strategy Inc This page	26,482	$3,304,953
6	DDOG	Datadog, Inc.	24,354	$2,874,989
7	FIG	Figma, Inc.	124,457	$2,631,020
8	TTAN	ServiceTitan, Inc.	39,800	$2,525,708

14 filing rows on record

Report Date	Value (USD)	Shares	Change	Type	Discretion	Filed
2026-03-31	$3,304,953	26,482	+174.9%	Shares	Sole	2026-05-13
2025-12-31	$1,464,038	9,635	-83.7%	Shares	Sole	2026-02-12
2025-09-30	$19,068,387	59,180	-62.4%	Shares	Sole	2025-11-12
2025-06-30	$63,603,973	157,346	+7.7%	Shares	Sole	2025-08-14
2025-03-31	$42,105,869	146,064	+76.3%	Shares	Sole	2025-05-14
2024-12-31	$23,999,650	82,866	+212.5%	Shares	Sole	2025-05-14
2024-06-30	$3,652,663	26,517	+111.3%	Shares	Sole	2024-08-14
2023-09-30	$411,958	12,549	-75.1%	Shares	Sole	2023-11-09
2023-06-30	$1,723,057	50,320	+626.4%	Shares	Sole	2023-08-09
2023-03-31	$202,490	6,927	-90.0%	Shares	Sole	2023-05-12
2021-12-31	$3,759,104	69,039	+100.9%	Shares	Sole	2022-02-11
2021-09-30	$1,987,324	34,359	-49.4%	Shares	Sole	2021-11-12
2021-03-31	$4,607,151	67,872	+325.9%	Shares	Sole	2021-05-12
2020-12-31	$619,270	15,938	—	Shares	Sole	2021-02-10
No filing history on record for this holder in this stock.