GROUP ONE TRADING LLC

Position in FSLY — Fastly, Inc.

CIK 932540 CHICAGO, IL

Position in FSLY

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

Position Value

$2,090,598

-$221,735 QoQ

Shares Held

113,867

+43.1% QoQ

Ownership

0.071%

of shares outstanding

% of Portfolio

0.07%

of 13F equity value

Holder Rank

#74

of 280 holders

Holding Since

Mar 2020

15 quarters on record

Voting authority Sole 100% Shared 0% None 0%

Technology · as of Jun 30, 2026

GROUP ONE TRADING LLC holds $130,925,289 across 87 Software - Application names. FSLY ranks #18 (1.6% of the industry book) .

#	Ticker	Company	Shares	Value (USD)
1	MSTR	Strategy Inc	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	$2,090,598	113,867	+43.1%	Shares	Sole	2026-08-14
2026-03-31	$2,312,333	79,571	+222.9%	Shares	Sole	2026-05-13
2025-03-31	$155,977	24,641	-25.7%	Shares	Sole	2025-05-14
2024-06-30	$244,396	33,161	-0.8%	Shares	Sole	2024-08-14
2024-03-31	$433,742	33,442	-58.0%	Shares	Sole	2024-05-10
2022-06-30	$923,540	79,547	-69.3%	Shares	Sole	2022-08-11
2022-03-31	$4,503,957	259,146	+32.7%	Shares	Sole	2022-05-12
2021-12-31	$6,923,633	195,307	-16.1%	Shares	Sole	2022-02-11
2021-09-30	$9,412,693	232,757	-40.0%	Shares	Sole	2021-11-12
2021-06-30	$23,131,594	388,114	+35.0%	Shares	Sole	2021-08-10
2021-03-31	$19,337,886	287,424	+159.0%	Shares	Sole	2021-05-12
2020-12-31	$9,694,837	110,963	+71.9%	Shares	Sole	2021-02-10
2020-09-30	$6,046,575	64,545	-55.4%	Shares	Sole	2020-11-12
2020-06-30	$12,324,951	144,778	+98.0%	Shares	Sole	2020-08-13
2020-03-31	$1,387,912	73,125	—	Shares	Sole	2020-05-13
No filing history on record for this holder in this stock.