Institutional Manager · CIK 0001512171
Route One Investment Company, L.P.
San Francisco, CA · File #028-14266
Latest AUM
$2.69B
Positions
16
Top-10 Concentration
84.7%
Filings
9
Portfolio Value Over Time
2024-03
2024-06
2024-09
2024-12
2025-03
2025-06
2025-09
2025-12
Biggest QoQ Changes
Ranked by conviction flow (share change × current price) so mark-to-market moves don't dominate. Price effect column shows how much of the $ change was just the stock moving.
| Action | Issuer | Ticker / CUSIP | Δ Shares | Flow ($) | Price Effect |
|---|---|---|---|---|---|
| NEW | ISHARES TR | 464287655 | +1,200,000 | +$295.4M | $0 |
| EXITED | ALPHABET INC | 02079K305 | -800,000 | -$194.5M | $0 |
| NEW | ESSEX PPTY TR INC | 297178105 | +532,977 | +$139.5M | $0 |
| EXITED | BELLRING BRANDS INC | 07831C103 | -2,302,856 | -$83.7M | $0 |
| EXITED | SALESFORCE INC | 79466L302 | -338,650 | -$80.3M | $0 |
| EXITED | HERBALIFE LTD | 42703MAF0 | -59,525,000 | -$56.2M | $0 |
| NEW | VISTA ENERGY S.A.B. DE C.V. | VSOGF | +1,024,200 | +$49.8M | $0 |
| ADD | BBB FOODS INC | TBBB | +1,307,079 | +$43.6M | +$502,293 |
| REDUCE | NEW YORK TIMES CO | NYT | -593,950 | -$41.2M | +$44.5M |
| REDUCE | SCHWAB CHARLES CORP | SCHW-PJ | -405,850 | -$40.5M | +$10.0M |
Sector Allocation
Filing History
- 13F HOLDINGS REPORTQ/E Dec 202516 pos · $2.69B
- 13F HOLDINGS REPORTQ/E Sep 202518 pos · $2.70B
- 13F HOLDINGS REPORTQ/E Jun 202515 pos · $2.29B
- 13F HOLDINGS REPORTQ/E Mar 202514 pos · $2.40B
- 13F HOLDINGS REPORTQ/E Dec 202414 pos · $2.56B
- 13F HOLDINGS REPORTQ/E Sep 202416 pos · $2.85B
- 13F HOLDINGS REPORTQ/E Jun 202417 pos · $2.89B
- 13F HOLDINGS REPORTQ/E Mar 202418 pos · $2.74B
- 13F HOLDINGS REPORTQ/E Dec 202316 pos · $2.91B
Top 16 Holdings — Dec 2025
| # | Issuer | Ticker | Shares | Value | % of Portfolio |
|---|---|---|---|---|---|
| 1 | GUIDEWIRE SOFTWARE INC | GWRE | 1,670,414 | $335.8M | 12.47% |
| 2 | POST HLDGS INC | POST | 3,136,468 | $310.7M | 11.54% |
| 3 | ISHARES TR | 464287655 | 1,200,000 | $295.4M | 10.97% |
| 4 | AMAZON COM INC | AMZN | 1,138,000 | $262.7M | 9.76% |
| 5 | ALPHABET INC | GOOG | 689,080 | $216.2M | 8.03% |
| 6 | NEW YORK TIMES CO | NYT | 3,105,309 | $215.6M | 8.01% |
| 7 | SCHWAB CHARLES CORP | SCHW-PJ | 1,838,343 | $183.7M | 6.82% |
| 8 | UNITEDHEALTH GROUP INC | UNH | 507,300 | $167.5M | 6.22% |
| 9 | THERMO FISHER SCIENTIFIC INC | TMO | 263,600 | $152.7M | 5.67% |
| 10 | ESSEX PPTY TR INC | 297178105 | 532,977 | $139.5M | 5.18% |
| 11 | KILROY RLTY CORP | 49427F108 | 2,935,372 | $109.7M | 4.07% |
| 12 | HERBALIFE LTD | HLF | 8,162,123 | $105.2M | 3.91% |
| 13 | PROCORE TECHNOLOGIES INC | PCOR | 918,205 | $66.8M | 2.48% |
| 14 | VISTA ENERGY S.A.B. DE C.V. | VSOGF | 1,024,200 | $49.8M | 1.85% |
| 15 | BBB FOODS INC | TBBB | 1,385,196 | $46.3M | 1.72% |
| 16 | VEEVA SYS INC | VEEV | 155,100 | $34.6M | 1.29% |