MDB
MongoDB, Inc. · Technology · Software - Infrastructure
All ownership figures: tracked 13F managers only, common-stock positions, reporting period Q3 2026
| Quarter | Holders | Δ | Shares | Reported value | New | Exits |
|---|---|---|---|---|---|---|
| Q3 2026 | 3 | 0 | 213.51K | $74.35M | n/a | n/a |
| Q2 2026 | 163 | +3 | 53.68M | $18.01B | +8 | −6 |
| Q1 2026 | 164 | 0 | 52.37M | $12.85B | +7 | −8 |
| Q4 2025 | 163 | -1 | 58.62M | $24.59B | +3 | −3 |
| Q3 2025 | 26 | +2 | 36.47M | $11.03B | +3 | −2 |
| Q2 2025 | 22 | +3 | 26.40M | $5.54B | +3 | n/a |
| Q1 2025 | 16 | 0 | 10.14M | $1.78B | n/a | n/a |
| Q4 2024 | 16 | +1 | 8.41M | $1.96B | +3 | −2 |
| Q3 2024 | 14 | 0 | 9.72M | $2.63B | +1 | −1 |
| Q2 2024 | 14 | n/a | 11.16M | $2.79B | n/a | n/a |
| # | Manager | Shares | Δ shares | Value | Their weight | Held | ||
|---|---|---|---|---|---|---|---|---|
| 1 | Assenagon Asset Management S.A. | 169.51K | -33.8% | $59.09M | 0.1% | ▼ Trim | 4 | SEC ↗ |
| 2 | Wealth Enhancement Advisory… | 43.89K | +4.9% | $15.22M | 0.0% | ▲ Add | 4 | SEC ↗ |
| 3 | TD Waterhouse Canada Inc. | 112 | -88.8% | $39,390 | 0.0% | ▼ Trim | 4 | SEC ↗ |
“Their weight” = the position's share of that manager's reported 13F equity value: the conviction measure. ✦ = curated manager.
New buyers
| No new tracked buyers this quarter. |
Exited
| No tracked exits this quarter. |
Full-market context: across ALL 13F filers (SEC structured data, Q1 2026): 806 holders, 70.22M shares, $16.10B reported. This is a different, older period than the tracked-universe figures above and the two are never mixed.
What else this security's tracked holders most often hold: shared-ownership counts, not fundamental relationships.
Open-market purchases (P)
No open-market insider purchases in our coverage window.
Open-market sales (S)
Director · 1.00K sh · $400,000
Director · 1.00K sh · $377,000
Director · 392 sh · $141,520
Director · 9.61K sh · $3.46M
Director · 3.00K sh · $1.08M
Director · 595 sh · $216,491
Director · 1.00K sh · $375,920
Awards, exercises and tax withholding are never counted as buys or sales here. Methodology