MongoDB, Inc. (MDB) Institutional Ownership & Insider Trading

867 institutions reported holding MongoDB, Inc. shares in 13F filings for the quarter ended 2026-06-30, according to EquiReason's reading of their SEC filings. 171 insider trades on Form 4 since 2025-10-01.

Source: SEC EDGAR filings · figures as of 2026-07-31 · read by EquiReason

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Software - Infrastructure · Technology

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Market cap: 29.9B
P/E TTM: —
Dividend yield: —
52-week: —
Next earnings: 30 Nov, in 37 days

Institutions · all 13F filers

quarter to 30 Jun 2026 · filers in both quarters

867 institutions held 92.5% of the shares. Across filers that reported both quarters, shares held changed +2.8%.

Largest moves, shares (millions)

Institutional flow by quarter

net shares added or trimmed, millions · filers in both quarters

Quarter	Holders	Shares held, M	Change	Increased	New	Decreased	Closed
Jun 26	867	75	+2.8%	303	135	252	92
Mar 26	805	71	-0.4%	317	90	225	180
Dec 25	887	72	-4.7%	278	160	245	64
Sep 25	754	75	+8.3%	230	149	229	75
Jun 25	682	69	-1.0%	240	124	211	88
Mar 25	643	68	+6.7%	249	76	192	125
Dec 24	687	65	-7.6%	253	94	184	65
Sep 24	642	66	-3.0%	232	79	185	77

MongoDB, Inc. — questions

Who owns MongoDB, Inc. stock?: 867 institutions reported MongoDB, Inc. shares in 13F filings for the quarter ended 2026-06-30. The largest: BlackRock, Inc. (7.9%), VANGUARD PORTFOLIO MANAGEMENT LLC (5.6%), FMR LLC (4.5%).
Are MongoDB, Inc. insiders buying or selling?: 171 insider trades on Form 4 since 2025-10-01; the full list, with dates, people and plan status, is on this page.

Every figure on this page comes from MongoDB, Inc.'s own SEC filings — see them on SEC EDGAR. Price data is licensed and shown only inside the product.

How these figures are read: methodology · EquiReason.

Important information. Figures on this page are taken from filings submitted to the U.S. Securities and Exchange Commission (SEC) and processed automatically by EquiReason. They may contain errors, omissions or delays, and EquiReason makes no representation or warranty as to their accuracy, completeness or timeliness. Always verify figures against the original filing on SEC EDGAR before relying on them.

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