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MongoDB, Inc.

MDB
Exchange
Nasdaq
Industry
Services-Prepackaged Software
SEC CIK
0001441816

In the last 90 days, MongoDB, Inc. insiders filed 0 open-market purchases and 5 sales; 875 institutions reported holding it in 13F filings for Q2 2026, worth $25.0B in total; ValueAct Capital is the only superinvestor holding it.

Holders of 5% or more of MDB

Holders whose latest Schedule 13D or 13G filing reports 5% or more of MongoDB, Inc., largest stake first. The change is against the holder's previous filing.

Holders of 5% or more of MDB
HolderLatest formStakeChangeFirst filedLatest filingFiling
BlackRock, Inc.13G/A5.80%4.69M shares–Apr 23, 20251 filingApr 23, 2025SEC

Stakes are as of each holder's latest filing. Holders whose last filing was in the old format (before December 18, 2024) have no stake on record and are not listed, and after an acquisition or delisting holders usually stop filing.

13D and 13G filings

4 Schedule 13D and 13G filings on MongoDB, Inc., newest first, including old-format filings without a stake.

Schedule 13D and 13G filings on MDB
Filed (ET)FilerFormStakeChangeEvent dateFiling
Mar 27, 202610:50 AM ETVanguard Group Inc13G/A0.00%0 shares−10.06 ppfrom 10.06%Below 5%Mar 13, 2026SEC
Apr 23, 20258:57 PM ETBlackRock, Inc.13G/A5.80%4.69M shares–Mar 31, 2025SEC
Mar 6, 20252:08 PM ETVanguard Group Inc13G/A10.06%7.50M shares–Feb 28, 2025SEC
Feb 12, 20259:30 AM ETFMR LLCand 1 other13G/A4.60%3.43M shares–Below 5%Dec 31, 2024SEC

Form 144: proposed insider sales

Notices from officers, directors and other affiliates planning to sell MongoDB, Inc. shares.

No Form 144 notices for MongoDB, Inc. are on file.