MG
Mass General Brigham, Inc
13F filer · CIK 0001678378Reported Aug 7, 2026
Net seller this quarter
13F portfolio value$361MU.S. long equity reported on 13F
Positions50 new · 0 closed
Net flow last quarter-$76.7KBuys minus sells
Top 10 positions weight45.2%Concentration
Holdings
13F · last 4 quarters freeScroll for earlier quarters
| Company | Value | % of portfolio | % of company | POSITION CHANGE qoq % | First reported |
|---|---|---|---|---|---|
| Q2 2026Reported Aug 7, 20265 positions | |||||
| $78M | 21.60% | 1.18% | Not reported | Q4 2025 | |
| $64.4M | 17.85% | 0.16% | Not reported | Q4 2022 | |
| $11.1M | 3.07% | 0.21% | Not reported | Q4 2025 | |
| $7.16M | 1.98% | 0.43% | Not reported | Q4 2025 | |
| $2.7M | 0.75% | Not reported | -2.8% | Q4 2025 | |
| Q1 2026Reported May 5, 20265 positions | |||||
| $125M | 26.67% | 1.18% | Not reported | Q4 2025 | |
| $33.5M | 7.14% | 0.17% | Not reported | Q4 2022 | |
| $7.41M | 1.58% | 0.25% | Not reported | Q4 2025 | |
| $7.16M | 1.53% | 0.48% | Not reported | Q4 2025 | |
| $3.13M | 0.67% | Not reported | +167.6% | Q4 2025 | |
| Q4 2025Reported Jan 27, 20266 positions | |||||
| $114M | 14.11% | 1.18% | New | Q4 2025 | |
| $27.4M | 3.38% | 0.17% | Not reported | Q4 2022 | |
| $9.94M | 1.23% | 0.49% | New | Q4 2025 | |
| $3.14M | 0.39% | 0.26% | New | Q4 2025 | |
| $1.1M | 0.14% | Not reported | New | Q4 2025 | |
| $1.07M | 0.13% | Not reported | New | Q4 2025 | |
| Q2 2023Reported Jul 21, 20235 positions | |||||
| $10.5M | 9.53% | Not reported | New | Q2 2023 | |
| $9.23M | 8.39% | Not reported | Not reported | Q4 2022 | |
| $1.82M | 1.65% | 0.05% | New | Q2 2023 | |
| $1.69M | 1.53% | 0.02% | New | Q2 2023 | |
| $751K | 0.68% | 0.00% | New | Q2 2023 | |
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