Route One Investment Company, L.P.

CIK 0001512171 · SAN FRANCISCO, CA · Quarter end: 2026-06-30 · Filed on: 2026-08-14 · Open the SEC source

Route One Investment Company, L.P. reported 20 positions worth $2.49B as of June 30, 2026 (13F filed August 14, 2026). Largest holding: POST (10.5%).

Portfolio Value (AUM)Total value of the fund's US stock portfolio reported to the SEC.
$2.49B
2026 Q2
Positions
20
Top-10 ConcentrationHow much of the portfolio sits in the 10 largest holdings. High = concentrated bets.
77.4%
Est. Net Flow (Q)
2026 Q2
10 / 20 positions shown
#SymbolCompanyTypeValue% Port.Shares1YYTD
1POSTPOST HLDGS INCSH$260.4M10.46%2,950,568
2AMZNAMAZON COM INCSH$246.0M9.88%1,032,200
3GWREGUIDEWIRE SOFTWARE INCSH$227.6M9.14%1,849,364
4GOOGALPHABET INCSH$206.4M8.29%584,050
5UNHUNITEDHEALTH GROUP INCSH$202.7M8.14%487,725
6SCHWSCHWAB CHARLES CORPSH$202.1M8.11%2,189,893
7NYTNEW YORK TIMES COSH$172.1M6.91%2,458,659
8KRCKILROY RLTY CORPSH$159.2M6.39%4,248,213
9TMOTHERMO FISHER SCIENTIFIC INCSH$140.6M5.65%280,400
10MELIMERCADOLIBRE INCSH$111.3M4.47%65,560

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Read the 2026-Q2 quarterly report · 13F Filing Calendar

Frequently Asked Questions

What stocks does Route One Investment Company, L.P. hold as of Q2 2026?

Route One Investment Company, L.P. reported 20 positions worth $2.49B in its Q2 2026 13F filing. Largest positions: POST (10.5%), AMZN (9.9%), GWRE (9.1%), GOOG (8.3%) and UNH (8.1%).

What did Route One Investment Company, L.P. buy in Q2 2026?

No previous quarter is available yet; the comparison appears with the next filing.

What did Route One Investment Company, L.P. sell in Q2 2026?

No previous quarter is available yet.

13F data shows quarter-end positions, is delayed by up to 45 days and covers only long positions in US-listed securities; short positions, most derivatives and non-US assets are not reported.