Route One Investment Company, L.P.
13F Reported Value
ⓘ$2.5B
incl. option notional
Equity Holdings
ⓘ$2.4B
Option Notional
ⓘ$74.7M
$74.7M puts / $0 calls
Holdings
20
Latest Filing
2026-06-30
Filing Quarter
Q2 2026
Portfolio Overview
Route One Investment Company, L.P. disclosed 20 positions worth $2.5B in its Form 13F-HR for Q2 2026 — $2.4B in common stock plus $74.7M of put/call option positions (reported at underlying notional value, not premium at risk), led by $POST (Post Holdings, Inc.) at 10.8% of the equity portfolio, followed by $AMZN and $GWRE. During the quarter the fund opened 2 new positions and exited 1 — including a new stake in $V and a full exit from $ESS. The portfolio is most concentrated in Technology (26.9% of disclosed assets). All figures are sourced directly from Route One Investment Company, L.P.’s Form 13F-HR filing with the SEC under CIK 1512171.
AI Fund Analysis
Diversifying
Sector Allocation
AUM History
Top Equity Holdings by Value
Option Positions
13F rules report options at the value of the underlying shares (notional) — not the premium paid or capital at risk. Shown separately from the equity sleeve above.
Quarterly Activity — Q2 2026
Click any card to unlockTop Holdings
- 52.5#1,451
Quality
$260.4M2,950,568 sh - 68.7#300
Quality
$246.0M1,032,200 sh - 67.3#371
Quality
$227.6M1,849,364 sh - 78.2
Quality
$206.4M584,050 sh - 62.7
Quality
$202.7M487,725 sh - 79.4
Quality
$202.1M2,189,893 sh - 68.2
Quality
$172.1M2,458,659 sh - 56.1
Quality
$159.2M4,248,213 sh - 65.1
Quality
$140.6M280,400 sh - 80.2
Quality
$111.3M65,560 sh
| Company | Quality | Value | Shares |
|---|---|---|---|
 Post Holdings, Inc.$POST | 52.5#1,451 | $260.4M | 2,950,568 |
 AMAZON COM INC$AMZN | 68.7#300 | $246.0M | 1,032,200 |
 Guidewire Software, Inc.$GWRE | 67.3#371 | $227.6M | 1,849,364 |
 Alphabet Inc.$GOOGL | 78.2 | $206.4M | 584,050 |
 UNITEDHEALTH GROUP INC$UNH | 62.7 | $202.7M | 487,725 |
 SCHWAB CHARLES CORP$SCHW | 79.4 | $202.1M | 2,189,893 |
 NEW YORK TIMES CO$NYT | 68.2 | $172.1M | 2,458,659 |
 KILROY REALTY CORP$KRC | 56.1 | $159.2M | 4,248,213 |
 THERMO FISHER SCIENTIFIC INC.$TMO | 65.1 | $140.6M | 280,400 |
 MERCADOLIBRE INC$MELI | 80.2 | $111.3M | 65,560 |
Unlock AI quality scores for every holding
32-signal composite ranking on each of Route One Investment Company, L.P.'s 20 positions.
Showing top 10 of 20 holdings.
Sector Allocation
Technology
$649.3M
Consumer Staples
$462.9M
Consumer Discretionary
$357.3M
Financials
$334.6M
Healthcare
$202.7M
Communication Services
$172.1M
Real Estate
$159.2M
Energy
$77.6M
Full Holdings — Route One Investment Company, L.P. (Q2 2026)
All 20 disclosed positions from the latest Form 13F-HR, with quarter-over-quarter share changes and 13F Pro quality scores. Sourced from SEC EDGAR.
| # | Ticker | Company | Value | Weight | QoQ | Quality |
|---|---|---|---|---|---|---|
| 1 | $POST | Post Holdings, Inc. | $260.4M | 10.8% | +0% | 52.5 |
| 2 | $AMZN | AMAZON COM INC | $246.0M | 10.2% | +0% | 68.7 |
| 3 | $GWRE | Guidewire Software, Inc. | $227.6M | 9.4% | +0% | 67.3 |
| 4 | $GOOGL | Alphabet Inc. | $206.4M | 8.5% | -15% | 78.2 |
| 5 | $UNH | UNITEDHEALTH GROUP INC | $202.7M | 8.4% | -8% | 62.7 |
| 6 | $SCHW | SCHWAB CHARLES CORP | $202.1M | 8.4% | +30% | 79.4 |
| 7 | $NYT | NEW YORK TIMES CO | $172.1M | 7.1% | +0% | 68.2 |
| 8 | $KRC | KILROY REALTY CORP | $159.2M | 6.6% | +5% | 56.1 |
| 9 | $TMO | THERMO FISHER SCIENTIFIC INC. | $140.6M | 5.8% | +8% | 65.1 |
| 10 | $MELI | MERCADOLIBRE INC | $111.3M | 4.6% | +46% | 80.2 |
| 11 |  $HLF | HERBALIFE LTD. | $109.8M | 4.5% | +1% | — |
| 12 |  $TBBB | BBB FOODS INC | $92.7M | 3.8% | +45% | — |
| 13 |  $VIST | Vista Energy, S.A.B. de C.V. | $77.6M | 3.2% | +0% | — |
| 14 |  $SPYPUT | SPDR S&P 500 ETF TRUST | $74.7M | — | +0% | — |
| 15 |  $VEEV | VEEVA SYSTEMS INC | $37.5M | 1.6% | +16% | 77.6 |
| 16 |  $PCOR | PROCORE TECHNOLOGIES, INC. | $37.3M | 1.5% | +0% | 59.4 |
| 17 |  $V | VISA INC. | $36.6M | 1.5% | NEW | 82.9 |
| 18 |  $MA | Mastercard Inc | $36.2M | 1.5% | NEW | 85.1 |
| 19 |  $BMA | Macro Bank Inc. | $30.8M | 1.3% | +0% | — |
| 20 |  $GGAL | GRUPO FINANCIERO GALICIA SA | $29.0M | 1.2% | +0% | — |
Exited Positions (1)
$ESS ESSEX PROPERTY TRUST, INC.Browse Top Institutional Investors
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AI-Powered Hedge Fund Analysis: Route One Investment Company, L.P.
13F Pro is an AI hedge fund tracker and stock research platform. For Route One Investment Company, L.P. (SEC CIK: 1512171), the platform ingests every quarterly Form 13F filing and applies AI-powered analysis on top — 10 specialized AI analysts (value, growth, momentum, macro, activist, and more) debate the fund's top positions and publish AI-generated analysis with cited SEC sources.
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