Route One Investment Company, L.P.

In its 13F for Q3 2024 (holdings as of September 30, 2024, filed November 14, 2024), Route One Investment Company, L.P. reported 15 stock positions worth $2.8 billion. Its top holding was Guidewire Software (GWRE) at 18.9% of the portfolio, followed by Post (POST, 18.2%) and Amazon.com (AMZN, 10.3%). Compared with Q2 2024, it opened 2 new positions, sold out of 2, added to 2 and reduced 5. The biggest buy was Schwab (charles) (SCHW, shares +66%) and the biggest sale Post (POST, shares −15%).

Most Recent 13F
Q2 2026
Location
San Francisco, CA
CIK
0001512171
Portfolio Value
$2.8B (Q3 2024)
SEC Filing
0000935836-24-000707 ↗ filed Nov 14, 2024

Holdings Value

0$1.0B$2.0B$3.0B Q1 2024: $2.5B Q1 2024 Q2 2024: $2.6B Q2 2024 Q3 2024: $2.8B $2.8B Q3 2024 Q4 2024: $2.5B Q4 2024 Q1 2025: $2.3B Q1 2025 Q2 2025: $2.2B Q2 2025 Q3 2025: $2.5B Q3 2025 Q4 2025: $2.4B Q4 2025 Q1 2026: $2.3B Q1 2026 Q2 2026: $2.4B Q2 2026

Holdings 15 stocks · $2.8B
GWRE Guidewire Software Inc. 18.86% 2,865,580 $524.2M No change
POST Post Holdings Inc. filed as POST HLDGS INC 18.21% 4,372,639 $506.1M Reduce -15.5%
AMZN Amazon.com Inc. 10.33% 1,540,400 $287.0M Reduce -8.0%
UNH Unitedhealth Group Inc. 9.16% 435,600 $254.7M No change
SCHW Schwab (charles) Corp. 8.66% 3,712,843 $240.6M Add +66.0%
NYT New York Times Co. Class A 7.60% 3,794,259 $211.2M No change
GOOG Alphabet Inc. Class C 6.17% 1,025,380 $171.4M Reduce -11.7%
CRM Salesforce Inc. 5.29% 537,100 $147.0M Reduce -12.1%
TMO Thermo Fisher Scientific Inc. 4.69% 210,880 $130.4M No change
AGRO Adecoagro SA 3.60% 9,046,074 $100.1M Reduce -10.2%
GOOGL Alphabet Inc. Class A 2.45% 410,960 $68.2M No change
HLF Herbalife Ltd. 2.23% 8,631,411 $62.1M No change
LW Lamb Weston Holdings Inc. 1.33% 571,050 $37.0M New
PCOR Procore Technologies Inc. 1.24% 557,050 $34.4M Add +205.2%
MTN Vail Resorts Inc. 0.17% 27,750 $4.8M New

Options reported separately and not counted above: QQQ puts ($73.2M).

Portfolio Sells Q2 2024 → Q3 2024
POST Post Holdings Inc. Reduce -15.5% 18.21% −2.29
AMZN Amazon.com Inc. Reduce -8.0% 10.33% −1.98
GOOG Alphabet Inc. Class C Reduce -11.7% 6.17% −1.93
BA The Boeing Co. Sold out 0.00% −1.10
CRM Salesforce Inc. Reduce -12.1% 5.29% −0.68
AGRO Adecoagro SA Reduce -10.2% 3.60% −0.13
TBBB BBB Foods Inc. Class A Sold out 0.00% −0.02

Portfolio Buys Q2 2024 → Q3 2024
SCHW Schwab (charles) Corp. Add +66.0% 8.66% +2.39
LW Lamb Weston Holdings Inc. New 1.33% +1.33
PCOR Procore Technologies Inc. Add +205.2% 1.24% +0.78
MTN Vail Resorts Inc. New 0.17% +0.17

Options Activity Q2 2024 → Q3 2024
SPY SS SPDR S&P 500 ETF Trust-US put Sold out 200,000 $108.8Mbefore exit
QQQ Invesco QQQ Trust Series 1 put Reduce -51.6% 150,000 $73.2M

Calls and puts are listed by the shares they cover; their value is not part of the stock holdings above.

All Filings

QuarterPositions13F Reported ValueTop Holdings
Q2 2026 19$2.4BPOST, AMZN, GWRE, GOOG, UNH
Q1 2026 18$2.3BPOST, GWRE, AMZN, NYT, GOOG
Q4 2025 15$2.4BGWRE, POST, AMZN, GOOG, NYT
Q3 2025 16$2.5BGWRE, POST, AMZN, SCHW, NYT
Q2 2025 14$2.2BGWRE, POST, AMZN, SCHW, NYT
Q1 2025 13$2.3BPOST, GWRE, SCHW, AMZN, UNH
Q4 2024 13$2.5BPOST, GWRE, AMZN, SCHW, UNH
Q3 2024 15$2.8BGWRE, POST, AMZN, UNH, SCHW
Q2 2024 15$2.6BPOST, GWRE, AMZN, UNH, GOOG
Q1 2024 16$2.5BPOST, GWRE, AMZN, UNH, CRM