AMG Pantheon Master Fund, LLC
Registered fund Stamford, CT Still adding venture funds
AMG Pantheon Master Fund, LLC reports 30 venture funds, $382M in all.
Holdings are from its Form N-PORT report as of June 30, 2026. “Still adding venture funds”: its newest venture fund is a 2026 vintage, within 3 years of 2026.
The numbers
| Vintage | Venture funds |
|---|---|
| 2011 | 1 |
| 2012 | 0 |
| 2013 | 2 |
| 2014 | 1 |
| 2015 | 1 |
| 2016 | 2 |
| 2017 | 2 |
| 2018 | 0 |
| 2019 | 0 |
| 2020 | 0 |
| 2021 | 6 |
| 2022 | 7 |
| 2023 | 1 |
| 2024 | 1 |
| 2025 | 0 |
| 2026 | 1 |
Updates from AMG Pantheon Master Fund, LLC
Largest venture holdings
From its Form N-PORT report as of June 30, 2026.
| Fund, as reported | Manager | Vintage | Reported value |
|---|---|---|---|
| Insight Venture Partners X, L.P. | Insight Partners | 2017 | $53M |
| Insight Venture Partners XI, L.P. | Insight Partners | — | $50M |
| Accel Leaders Fund IV, L.P. | Accel | 2022 | $36M |
| Insight Venture Partners IX, L.P. | Insight Partners | 2014 | $36M |
| Insight Partners XII, L.P. | Insight Partners | 2021 | $27M |
In the app: 25 more venture funds. Open AMG Pantheon Master Fund, LLC in LP Intelligence for every fund it holds and how to reach it, or find the LPs that back firms like yours.
LPs nearby
Within 100 miles, by city: a trip to one can take in the others.
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268 LPs within 100 miles in all: see them on the map.
About this data
Private fund holdings as this registered fund reports them to the SEC on Form N-PORT. Amounts are the value it reports for each holding at the report date, not commitments or returns. As of June 30, 2026. Source: SEC Form N-PORT data sets. Funds are linked to a manager by name; a match can be wrong, and the original filing is the record. How Hottub reads its sources.
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