JANE STREET GROUP, LLC

Position in FSLY — Fastly, Inc.

CIK 1595888 NEW YORK, NY

Back to FSLY Full portfolio

Position in FSLY

as of Mar 31, 2026 · filed May 12, 2026 Compact

Position Value

$73,831,579

+$73,206,904 QoQ

Shares Held

2,540,660

+4040.4% QoQ

Ownership

1.62%

of shares outstanding

% of Portfolio

0.10%

of 13F equity value

Holder Rank

—

not a current holder

Holding Since

Mar 2020

25 quarters on record

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

Common Shares in FSLY Over Time

Shares Held

Position Value (USD)

Derivatives in FSLY

reported options exposure · as of Mar 31, 2026

CallValue

$24,082,022

CallShares

828,700

PutValue

$44,066,584

PutShares

1,516,400

Notional value of option positions as reported on Form 13F. Calls and puts are disclosed separately and do not net against the common-share stake above.

Position in Software - Application

Technology · as of Mar 31, 2026

JANE STREET GROUP, LLC holds $3,010,429,668 across 132 Software - Application names. FSLY ranks #11 (2.5% of the industry book) .

#	Ticker	Company	Shares	Value (USD)
1	NOW	ServiceNow, Inc.	4,414,834	$461,570,892
2	SHOP	Shopify Inc.	3,497,721	$414,899,664
3	SNOW	Snowflake Inc.	1,748,908	$263,770,303
4	CRM	Salesforce, Inc.	971,886	$181,421,958
5	HUBS	Hubspot Inc	554,425	$135,335,141
6	SAP	Sap SE	702,777	$120,322,449
7	GWRE	Guidewire Software, Inc.	731,345	$109,379,957
8	SSNC	SS&C Technologies Holdings Inc	1,604,884	$108,442,010

All Filings in FSLY

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50 filing rows on record

Report Date	Value (USD)	Shares	Change	Type	Discretion	Filed
2026-03-31	$44,066,584	1,516,400	+83.0%	Put	Defined	2026-05-12
2026-03-31	$24,082,022	828,700	-67.4%	Call	Defined	2026-05-12
2026-03-31	$73,831,579	2,540,660	+4040.4%	Shares	Defined	2026-05-12
2025-12-31	$624,675	61,363	+95.4%	Shares	Defined	2026-02-12
2025-12-31	$319,652	31,400	-83.7%	Put	Defined	2026-02-12
2025-12-31	$1,964,740	193,000	+589.3%	Call	Defined	2026-02-12
2025-09-30	$239,400	28,000	-65.1%	Put	Defined	2025-11-14
2025-09-30	$684,982	80,115	-19.8%	Shares	Defined	2025-11-14
2025-09-30	$854,145	99,900	-87.6%	Call	Defined	2025-11-14
2025-06-30	$5,701,245	807,542	+2423.6%	Shares	Defined	2025-08-14
2025-06-30	$225,920	32,000	-72.6%	Put	Defined	2025-08-14
2025-06-30	$825,314	116,900	-6.7%	Call	Defined	2025-08-14
2025-03-31	$793,149	125,300	+108.8%	Call	Defined	2025-05-19
2025-03-31	$379,800	60,000	-63.5%	Put	Defined	2025-05-19
2024-12-31	$1,550,992	164,300	+614.3%	Call	Defined	2025-02-14
2024-12-31	$217,120	23,000	-96.0%	Put	Defined	2025-02-14
2024-12-31	$5,495,796	582,182	+349.8%	Shares	Defined	2025-02-14
2024-09-30	$979,716	129,421	+104.8%	Shares	Defined	2024-11-15
2024-09-30	$478,424	63,200	+507.7%	Call	Defined	2024-11-15
2024-09-30	$78,728	10,400	-96.3%	Put	Defined	2024-11-15
2024-06-30	$2,057,128	279,122	+21.1%	Shares	Defined	2024-08-15
2024-03-31	$2,988,338	230,404	-25.1%	Shares	Defined	2024-05-16
2023-12-31	$5,478,660	307,790	+630.2%	Shares	Defined	2024-02-15
2023-09-30	$808,073	42,153	-74.1%	Shares	Defined	2023-11-15
2023-06-30	$2,570,241	162,983	+110.3%	Shares	Defined	2023-08-14
2023-03-31	$1,376,221	77,490	-69.7%	Shares	Defined	2023-05-16
2022-12-31	$2,095,000	255,800	+239.1%	Shares	Defined	2023-02-15
2022-09-30	$690,902	75,426	-81.4%	Shares	Defined	2022-11-15
2022-06-30	$4,718,094	406,382	-22.9%	Shares	Defined	2022-08-16
2022-03-31	$9,162,736	527,200	+51.7%	Put	Defined	2022-05-17
2022-03-31	$6,038,870	347,461	-42.4%	Shares	Defined	2022-05-17
2022-03-31	$10,478,402	602,900	-7.1%	Call	Defined	2022-05-17
2021-12-31	$23,007,050	649,000	+46.3%	Call	Defined	2022-02-15
2021-12-31	$15,722,075	443,500	+10.6%	Put	Defined	2022-02-15
2021-12-31	$14,214,067	400,961	-33.7%	Shares	Defined	2022-02-15
2021-09-30	$24,462,156	604,900	+10.7%	Call	Defined	2021-11-16
2021-09-30	$22,104,504	546,600	+59.6%	Put	Defined	2021-11-16
2021-09-30	$13,846,776	342,403	+70.3%	Shares	Defined	2021-11-16
2021-06-30	$11,984,665	201,085	-76.3%	Shares	Defined	2021-08-16
2021-06-30	$50,469,280	846,800	-4.6%	Put	Defined	2021-08-16
2021-06-30	$52,883,080	887,300	+141.3%	Call	Defined	2021-08-16
2021-03-31	$24,739,528	367,710	-47.6%	Shares	Defined	2021-05-18
2021-03-31	$47,223,832	701,900	-30.1%	Call	Defined	2021-05-18
2021-03-31	$67,522,208	1,003,600	+5.4%	Put	Defined	2021-05-18
2020-12-31	$83,202,451	952,300	+45.2%	Put	Defined	2021-02-17
2020-12-31	$57,314,806	656,001	-37.0%	Shares	Defined	2021-02-17
2020-12-31	$90,969,644	1,041,200	+54.3%	Call	Defined	2021-02-17
2020-09-30	$63,234,000	675,000	+22.9%	Call	Defined	2020-11-17
2020-09-30	$51,439,688	549,100	-5.5%	Put	Defined	2020-11-17
2020-09-30	$54,446,628	581,198	—	Shares	Defined	2020-11-17
No filing history on record for this holder in this stock.