Greenbrier Partners Capital Management holds 315K shares of Meta Platforms Inc (META) worth about $229M as of September 30, 2026, according to the 13F-HR filed with the SEC on November 9, 2026. The position is 16.99% of the reported portfolio, the 2nd largest of 12 stock positions. Greenbrier Partners Capital Management trimmed the share count by 14% in 2026 Q3.
What did the 2026 Q3 filing report for META?
As of September 30, 2026, from the 13F-HR filed November 9, 2026.
| Value | |
|---|---|
| Portfolio weight | 16.99% |
| Shares | 315K |
| Reported value | $229M |
| Rank in portfolio | 2nd of 12 |
| Largest holding | AAPL at 21.96% |
| Top three holdings | 53.81% of the book |
| Change this quarter | -14% shares |
How concentrated is Greenbrier Partners Capital Management in META?
META at 16.99% is 2 times the average stock position in the Greenbrier Partners Capital Management portfolio, which is 8%. The largest holding is AAPL at 21.96%. The three largest stocks together are 53.81% of the reported book. A quarter earlier META was 15.55% of the book.
Where does META sit in the Greenbrier Partners Capital Management portfolio?
META ranks 2nd of 12 stock positions in the Greenbrier Partners Capital Management portfolio at 16.99%, above the fund's average stock position of 8%. The META cut was the largest of the quarter's 12 position changes by percent change to portfolio. Across the 2026 Q3 portfolio, Greenbrier Partners Capital Management reported 12 stock positions, with 1 opened and none closed. The total portfolio value is about $1.35B, up 1% from the prior quarter.
How long has Greenbrier Partners Capital Management held META?
Greenbrier Partners Capital Management has held META since at least the quarter ended June 30, 2013, the start of the filings we track. The weight peaked at 21.71% in 2025 Q2. Last quarter the fund cut the position by 7%. Every reported trade is on the Greenbrier Partners Capital Management META trade history page.
Did other funds buy or sell META in 2026 Q3?
Among the other tracked funds that had filed for 2026 Q3 as of November 9, 2026, 4 hold META. Of those, one opened it this quarter. The largest buyers of META this quarter were John Armitage and Paul Lountzis. The largest sellers were Lewis Sanders and Mairs & Power Growth Fund. Every tracked holder of META is on the META ownership page.
FAQ
What share of the Greenbrier Partners Capital Management portfolio is META?
META is 16.99% of the Greenbrier Partners Capital Management portfolio as of 2026 Q3, the 2nd largest of 12 stock positions.
What is the META stake of Greenbrier Partners Capital Management worth?
Greenbrier Partners Capital Management holds 315K shares of META, worth about $229M at September 30, 2026 prices, 16.99% of the reported portfolio.
What are the largest holdings of Greenbrier Partners Capital Management?
The largest stock positions of Greenbrier Partners Capital Management as of 2026 Q3 are AAPL (21.96%), META (16.99%) and COST (14.86%), together 53.81% of the book.
Did Greenbrier Partners Capital Management change its META position in 2026 Q3?
Greenbrier Partners Capital Management trimmed the share count by 14% in 2026 Q3.