Stephen Mandel - Lone Pine Capital
As of Q2 2026, Stephen Mandel reported 34 long-equity positions worth $16.36B in aggregate.
Copy-investor backtest
- Latest quarter
- +4.81%
- 1-year
- +0.17%
- 3-year
- +87.28%
- 5-year
- +14.37%
- 3-year vs S&P 500
- +14.05%
- 5-year vs S&P 500
- -59.31%
- 5-year top 5
- +11.49%
Return from mechanically copying the disclosed 13F equity portfolio after each filing and rebalancing at the next. The vs S&P 500 figures subtract SPY over that manager's own rebalance dates, so both sides cover the same days; both are price return, excluding dividends. Method & limitations.
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Updated 2026-06-06 from SEC 13F data.
Live quotes available for 26 of 45 rows. Rows without a quote are marked unavailable.
| 1 | BABA | ALIBABA GROUP HLDG LTD | 8.36% | Add +17.9% | 11,666,798 | $1.64B | $140.90 | No quote |
| 2 | CHTR | CHARTER COMMUNICATIONS INC N | 7.45% | Reduce -23.2% | 4,353,832 | $1.47B | $336.85 | No quote |
| 3 | STZ | CONSTELLATION BRANDS INC | 6.48% | Reduce -9.4% | 6,576,776 | $1.27B | $193.73 | No quote |
| 4 | ATVI | ACTIVISION BLIZZARD INC | 6.30% | Reduce -13.2% | 21,535,165 | $1.24B | No quote | No quote |
| 5 | AVGO | BROADCOM LTD | 6.30% | - | 5,319,591 | $1.24B | $233.05 | No quote |
| 6 | FLT | FLEETCOR TECHNOLOGIES INC | 4.81% | Add +45.6% | 6,555,504 | $945.37M | No quote | No quote |
| 7 | META | FACEBOOK INC | 4.73% | Add +20.8% | 6,168,049 | $931.25M | $150.98 | No quote |
| 8 | Q | QUINTILES IMS HOLDINGS INC | 4.57% | Add +68.3% | 10,055,780 | $899.99M | $89.50 | No quote |
| 9 | CMCSA | COMCAST CORP NEW | 4.04% | Add +48.8% | 20,438,394 | $795.46M | $38.92 | No quote |
| 10 | EXPE | EXPEDIA INC DEL | 3.42% | Add +113.2% | 4,523,614 | $673.79M | $148.95 | No quote |
| 11 | MSFT | MICROSOFT CORP | 3.39% | New | 9,687,742 | $667.78M | $68.93 | No quote |
| 12 | ORLY | O REILLY AUTOMOTIVE INC NEW | 3.16% | New | 2,841,170 | $621.48M | $218.74 | No quote |
| 13 | SYMC | SYMANTEC CORP | 3.03% | Reduce -20.3% | 21,085,032 | $595.65M | No quote | No quote |
| 14 | MA | MASTERCARD INCORPORATED | 2.87% | New | 4,641,369 | $563.69M | $121.45 | No quote |
| 15 | CSX | CSX CORP | 2.86% | Reduce -28.3% | 10,314,868 | $562.78M | $54.56 | No quote |
| 16 | ADBE | ADOBE SYS INC | 2.83% | Reduce -18.3% | 3,931,896 | $556.13M | $141.44 | No quote |
| 17 | EQIX | EQUINIX INC | 2.78% | Reduce -11.0% | 1,273,652 | $546.6M | $429.16 | No quote |
| 18 | TV | GRUPO TELEVISA SA | 2.54% | Add +11.4% | 20,535,367 | $500.45M | No quote | No quote |
| 19 | TMUS | T MOBILE US INC | 2.19% | Add +19.2% | 7,123,517 | $431.83M | $60.62 | No quote |
| 20 | ICE | INTERCONTINENTAL EXCHANGE IN | 2.13% | New | 6,356,905 | $419.05M | $65.92 | No quote |
| 21 | ULTA | ULTA BEAUTY INC | 2.10% | Reduce -5.6% | 1,438,673 | $413.39M | $287.34 | No quote |
| 22 | TRU | TRANSUNION | 1.96% | New | 8,905,062 | $385.68M | $43.31 | No quote |
| 23 | NOW | SERVICENOW INC | 1.74% | New | 3,220,940 | $341.42M | $106.00 | No quote |
| 24 | UNH | UNITEDHEALTH GROUP INC | 1.61% | New | 1,705,353 | $316.21M | $185.42 | No quote |
| 25 | ANET | ARISTA NETWORKS INC | 1.41% | Add +45.6% | 1,845,638 | $276.46M | $149.79 | No quote |
| 26 | ATUS | ALTICE USA INC | 1.38% | New | 8,395,511 | $271.18M | No quote | No quote |
| 27 | LNG | CHENIERE ENERGY INC | 1.28% | - | 5,186,332 | $252.63M | No quote | No quote |
| 28 | AAP | ADVANCE AUTO PARTS INC | 1.21% | New | 2,048,852 | $238.88M | $116.59 | No quote |
| 29 | CRM | SALESFORCE COM INC | 1.17% | New | 2,648,428 | $229.35M | $86.60 | No quote |
| 30 | SNAP | SNAP INC | 0.66% | Add +324.5% | 7,599,408 | $130.49M | $17.17 | No quote |
| 31 | ALB | ALBEMARLE CORP | 0.62% | Reduce -41.3% | 1,158,452 | $122.26M | $105.54 | No quote |
| 32 | FWONK | LIBERTY MEDIA CORP DELAWARE | 0.54% | New | 2,919,817 | $106.92M | $36.62 | No quote |
| 33 | VXXZZZZ | BARCLAYS BK PLC | 0.06% | Add +25.0% | 1,000,000 | $12.76M | No quote | No quote |
| 45 | V | VISA INC | - | Sold | 0 | $0 | No quote | No quote |
| 44 | SHPG | SHIRE PLC | - | Sold | 0 | $0 | No quote | No quote |
| 43 | RICE | RICE ENERGY INC | - | Sold | 0 | $0 | No quote | No quote |
| 42 | PCLN | PRICELINE GRP INC | - | Sold | 0 | $0 | No quote | No quote |
| 41 | NKE | NIKE INC | - | Sold | 0 | $0 | No quote | No quote |
| 40 | HUM | HUMANA INC | - | Sold | 0 | $0 | No quote | No quote |
| 39 | HDB | HDFC BANK LTD | - | Sold | 0 | $0 | No quote | No quote |
| 38 | ECA | ENCANA CORP | - | Sold | 0 | $0 | No quote | No quote |
| 37 | EA | ELECTRONIC ARTS INC | - | Sold | 0 | $0 | No quote | No quote |
| 36 | DLTR | DOLLAR TREE INC | - | Sold | 0 | $0 | No quote | No quote |
| 35 | COMM | COMMSCOPE HLDG CO INC | - | Sold | 0 | $0 | No quote | No quote |
| 34 | ALGN | ALIGN TECHNOLOGY INC | - | Sold | 0 | $0 | No quote | No quote |