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Welch & Forbes LLC

Position in MDB — MongoDB, Inc.

CIK 105495 Boston, MA

Position in MDB

as of Jun 30, 2026 · filed Jul 30, 2026
Position Value
$8,221,824
+$2,448,924 QoQ
Shares Held
24,477
+3.8% QoQ
Ownership
0.030%
of shares outstanding
% of Portfolio
0.11%
of 13F equity value
Holder Rank
#221
of 867 holders
Holding Since
Mar 2024
10 quarters on record
Voting authority Sole 88% Shared 0% None 12%

Common Shares in MDB Over Time

Shares Held

Position Value (USD)

Position in Software - Infrastructure

Technology · as of Jun 30, 2026

Welch & Forbes LLC holds $488,559,815 across 11 Software - Infrastructure names. MDB ranks #5 (1.7% of the industry book) .

# Ticker Company Shares Value (USD) Open
5 MDB
MongoDB, Inc.
This page
24,477 $8,221,824

All Filings in MDB

Export CSV
10 filing rows on record
Report Date Value (USD) Shares
2026-06-30 $8,221,824 24,477
2026-03-31 $5,772,900 23,585
2025-12-31 $9,896,709 23,581
2025-09-30 $7,040,349 22,683
2025-06-30 $5,424,881 25,834
2025-03-31 $5,428,279 30,948
2024-12-31 $5,661,473 24,318
2024-09-30 $5,679,783 21,009
2024-06-30 $4,903,715 19,618
2024-03-31 $5,892,096 16,429