GROUP ONE TRADING LLC

Position in MSTR — Strategy Inc

CIK 932540 CHICAGO, IL

Position in MSTR

as of Jun 30, 2026 · filed Aug 14, 2026 Compact

Position Value

$19,205,357

+$15,900,404 QoQ

Shares Held

220,929

+734.3% QoQ

Ownership

0.057%

of shares outstanding

% of Portfolio

0.65%

of 13F equity value

Holder Rank

#77

of 863 holders

Holding Since

Dec 2020

15 quarters on record

Voting authority Sole 100% Shared 0% None 0%

Technology · as of Jun 30, 2026

GROUP ONE TRADING LLC holds $130,925,131 across 87 Software - Application names. MSTR ranks #1 (14.7% of the industry book) .

#	Ticker	Company	Shares	Value (USD)
1	MSTR	Strategy Inc This page	220,929	$19,205,357
2	SHOP	Shopify Inc.	112,530	$12,848,675
3	U	Unity Software Inc.	355,514	$10,160,590
4	UBER	Uber Technologies, Inc	129,875	$9,371,780
5	ADBE	Adobe Inc.	39,832	$8,166,356
6	CDNS	Cadence Design Systems Inc	21,083	$7,912,871
7	BL	Blackline, Inc.	230,780	$6,477,994
8	HUBS	Hubspot Inc	34,715	$6,335,834

15 filing rows on record

Report Date	Value (USD)	Shares	Change	Type	Discretion	Filed
2026-06-30	$19,205,357	220,929	+734.3%	Shares	Sole	2026-08-14
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	$36,526,637	26,517	+111.3%	Shares	Sole	2024-08-14
2023-09-30	$4,119,585	12,549	-75.1%	Shares	Sole	2023-11-09
2023-06-30	$17,230,574	50,320	+626.4%	Shares	Sole	2023-08-09
2023-03-31	$2,024,900	6,927	-90.0%	Shares	Sole	2023-05-12
2021-12-31	$37,591,045	69,039	+100.9%	Shares	Sole	2022-02-11
2021-09-30	$19,873,245	34,359	-49.4%	Shares	Sole	2021-11-12
2021-03-31	$46,071,513	67,872	+325.9%	Shares	Sole	2021-05-12
2020-12-31	$6,192,709	15,938	—	Shares	Sole	2021-02-10
No filing history on record for this holder in this stock.