Greenbrier Partners Capital Management, LLC: AMAZON.COM (AMZN): Quarterly 13F Position History
As of Q1 2026, Greenbrier Partners Capital Management, LLC reported 621,219 shares of AMAZON.COM (AMZN), worth $129.4M and representing 10.0% of its 13F equity book. Quarter-over-quarter share count change: 4,430 (-0.7%) . The position first appeared in Q2 2016 and has been disclosed across 40 13F-HR filings in Pactolio's tracked window.
- 621,219Shares Held (Latest Filing)
- $129.4MReported Market Value (Latest Filing)
- 10.0%Portfolio Weight (% of 13F Equity Book)
- 4,430Quarter-over-Quarter Share Change
- -$15.0MQuarter-over-Quarter Value Change
- 679,360Peak Reported Shares (Historical)
Quarterly 13F-HR Disclosure History Source: SEC 13F-HR filings, 40 quarter s
| Quarter | Shares | QoQ Share Change | Share Change (%) | Market Value | Weight | Implied Price |
|---|---|---|---|---|---|---|
| Q1 2026 | 621,219 | 4,430 | -0.7% | $129.4M | 10.0% | $208.3 |
| Q4 2025 | 625,649 | 820 | -0.1% | $144.4M | 9.7% | $230.8 |
| Q3 2025 | 626,469 | 1,709 | -0.3% | $137.6M | 9.3% | $219.6 |
| Q2 2025 | 628,178 | 0 | — | $137.8M | 10.1% | $219.4 |
| Q1 2025 | 628,178 | 0 | — | $119.5M | 9.4% | $190.3 |
| Q4 2024 | 628,178 | 0 | — | $137.8M | 10.0% | $219.4 |
| Q3 2024 | 628,178 | 825 | -0.1% | $129.9M | 9.8% | $206.8 |
| Q2 2024 | 629,003 | 0 | — | $121.6M | 10.0% | $193.3 |
| Q1 2024 | 629,003 | 3,366 | -0.5% | $113.5M | 10.5% | $180.4 |
| Q4 2023 | 632,369 | 1,850 | -0.3% | $96.1M | 9.7% | $151.9 |
| Q3 2023 | 634,219 | 0 | — | $80.6M | 9.1% | $127.1 |
| Q2 2023 | 634,219 | 0 | — | $82.7M | 9.0% | $130.4 |
| Q1 2023 | 634,219 | 0 | — | $65.5M | 8.1% | $103.3 |
| Q4 2022 | 634,219 | 45,141 | -6.6% | $53.3M | 7.7% | $84.0 |
| Q3 2022 | 679,360 | 0 | — | $76.8M | 9.8% | $113.0 |
| Q2 2022 | 679,360 | +645,392 | +1900.0% | $72.2M | 8.9% | $106.2 |
| Q1 2022 | 33,968 | 0 | — | $110.7M | 10.5% | $3260.0 |
| Q4 2021 | 33,968 | 0 | — | $113.3M | 9.7% | $3334.3 |
| Q3 2021 | 33,968 | 0 | — | $111.6M | 10.2% | $3285.0 |
| Q2 2021 | 33,968 | 0 | — | $116.9M | 10.6% | $3440.1 |
| Q1 2021 | 33,968 | 0 | — | $105.1M | 10.7% | $3094.1 |
| Q4 2020 | 33,968 | 0 | — | $110.6M | 11.7% | $3256.9 |
| Q3 2020 | 33,968 | 0 | — | $107.0M | 12.7% | $3148.7 |
| Q2 2020 | 33,968 | 0 | — | $93.7M | 12.9% | $2758.8 |
| Q1 2020 | 33,968 | 0 | — | $66.2M | 11.9% | $1949.7 |
| Q4 2019 | 33,968 | 826 | -2.4% | $62.8M | 9.6% | $1847.8 |
| Q3 2019 | 34,794 | 206 | -0.6% | $60.4M | 9.9% | $1735.9 |
| Q2 2019 | 35,000 | 0 | — | $66.3M | 11.1% | $1893.6 |
| Q1 2019 | 35,000 | 0 | — | $62.3M | 11.1% | $1780.7 |
| Q4 2018 | 35,000 | 0 | — | $52.6M | 10.8% | $1502.0 |
| Q3 2018 | 35,000 | 0 | — | $70.1M | 11.8% | $2003.0 |
| Q2 2018 | 35,000 | 0 | — | $59.5M | 10.6% | $1699.8 |
| Q1 2018 | 35,000 | 0 | — | $50.7M | 9.6% | $1447.3 |
| Q4 2017 | 35,000 | +5,000 | +16.7% | $40.9M | 7.4% | $1169.5 |
| Q3 2017 | 30,000 | 0 | — | $28.8M | 5.8% | $961.4 |
| Q2 2017 | 30,000 | +5,000 | +20.0% | $29.0M | 6.1% | $968.0 |
| Q1 2017 | 25,000 | 0 | — | $22.2M | 4.9% | $886.6 |
| Q4 2016 | 25,000 | +5,000 | +25.0% | $18.7M | 4.7% | $749.9 |
| Q3 2016 | 20,000 | 0 | — | $16.7M | 4.3% | $837.3 |
| Q2 2016 | 20,000 | — | — | $14.3M | 3.9% | $715.6 |
Methodology & FAQ
How This Position History Is Sourced
Each row is one SEC Form 13F-HR filing disclosing this position. Share count, market value, and reported quarter are taken verbatim from the filing; portfolio weight is recomputed against the same filing's total reported equity book. Implied price-per-share is market value divided by shares — a quarter-end mark, not the manager's cost basis. See the full methodology document for the normalization rules.
When did Greenbrier Partners Capital Management, LLC first disclose a AMZN position in 13F-HR filings?
Greenbrier Partners Capital Management, LLC first reported AMAZON.COM (AMZN) on its 13F-HR filing for the period ending 2016-06-30 (Q2 2016). The position has appeared on 40 reported quarters within Pactolio's tracked window.
What was Greenbrier Partners Capital Management, LLC's most recent quarter-over-quarter share-count change in AMZN?
Between Q4 2025 and Q1 2026, Greenbrier Partners Capital Management, LLC reduced its AMZN position by 4,430 shares (-0.7%), leaving 621,219 shares at a market value of $129.4M.
Does the implied price-per-share represent Greenbrier Partners Capital Management, LLC's cost basis in AMZN?
No. The implied price-per-share column is the 13F-HR reported market value divided by reported share count on the filing date (end of quarter). It is a quarter-end mark, not a cost basis or transaction price. Use it as a sanity check on the value column, not as an indicator of the manager's entry or exit price.