FRONTIER CAPITAL MANAGEMENT CO LLC

Position in MDB — MongoDB, Inc.

CIK 351173 Boston, MA

Position in MDB

as of Mar 31, 2026 · filed May 15, 2026 Compact

Position Value

$52,458,127

-$74,327,284 QoQ

Shares Held

214,316

-29.1% QoQ

Ownership

0.266%

of shares outstanding

% of Portfolio

0.54%

of 13F equity value

Holder Rank

—

not a current holder

Holding Since

Mar 2020

25 quarters on record

Voting authority Sole 73.22785046380112.ToString("F0")% Shared 0.ToString("F0")% None 26.772149536198885.ToString("F0")%

Technology · as of Mar 31, 2026

FRONTIER CAPITAL MANAGEMENT CO LLC holds $268,971,790 across 9 Software - Infrastructure names. MDB ranks #2 (19.5% of the industry book) .

#	Ticker	Company	Shares	Value (USD)
1	AKAM	Akamai Technologies Inc	1,036,569	$119,049,949
2	MDB	MongoDB, Inc. This page	214,316	$52,458,127
3	DOCN	DigitalOcean Holdings, Inc.	457,157	$39,214,927
4	NET	Cloudflare, Inc.	157,299	$32,457,075
5	OKTA	Okta, Inc.	132,612	$10,437,890
6	XYZ	Block, Inc.	131,628	$7,921,373
7	ZS	Zscaler, Inc.	34,449	$4,832,850
8	PGY	Pagaya Technologies Ltd.	196,696	$2,291,508

25 filing rows on record

Report Date	Value (USD)	Shares	Change	Type	Discretion	Filed
2026-03-31	$52,458,127	214,316	-29.1%	Shares	Sole	2026-05-15
2025-12-31	$126,785,411	302,093	+6.1%	Shares	Sole	2026-02-17
2025-09-30	$88,366,427	284,704	-22.9%	Shares	Sole	2025-11-14
2025-06-30	$77,547,417	369,291	-23.7%	Shares	Sole	2025-08-14
2025-03-31	$84,872,376	483,879	+42.6%	Shares	Sole	2025-05-15
2024-12-31	$78,982,422	339,257	+43.3%	Shares	Sole	2025-02-14
2024-09-30	$63,992,115	236,701	-13.1%	Shares	Sole	2024-11-14
2024-06-30	$68,123,098	272,536	+23.1%	Shares	Sole	2024-08-14
2024-03-31	$79,388,909	221,361	-11.6%	Shares	Sole	2024-05-15
2023-12-31	$102,367,045	250,378	+24.2%	Shares	Sole	2024-02-14
2023-09-30	$69,743,360	201,652	-12.9%	Shares	Sole	2023-11-14
2023-06-30	$95,106,784	231,409	+557.4%	Shares	Sole	2023-08-14
2023-03-31	$8,205,357	35,198	+131.6%	Shares	Sole	2023-05-15
2022-12-31	$2,990,983	15,195	+95.7%	Shares	Sole	2023-02-14
2022-09-30	$1,542,016	7,766	-95.0%	Shares	Sole	2022-11-14
2022-06-30	$39,948,208	153,943	+0.7%	Shares	Sole	2022-07-20
2022-03-31	$67,826,241	152,903	-13.9%	Shares	Sole	2022-04-14
2021-12-31	$93,974,976	177,529	-26.0%	Shares	Sole	2022-01-19
2021-09-30	$113,057,724	239,778	-17.8%	Shares	Sole	2021-10-19
2021-06-30	$105,449,961	291,685	+14.0%	Shares	Sole	2021-08-09
2021-03-31	$68,448,975	255,951	-17.2%	Shares	Sole	2021-05-13
2020-12-31	$110,952,695	309,026	-39.0%	Shares	Sole	2021-01-19
2020-09-30	$117,357,049	506,920	+64.0%	Shares	Sole	2020-11-16
2020-06-30	$69,977,085	309,168	-33.9%	Shares	Sole	2020-07-17
2020-03-31	$63,816,474	467,383	—	Shares	Sole	2020-04-16
No filing history on record for this holder in this stock.