Contour Asset Management LLC holds a focused book of 27 stocks worth $3.1B as of Q1 2026 (disclosed May 15, 2026, a ~45-day 13F lag). This quarter they opened Maplebear Inc and trimmed Block Inc. Their largest long position is Alphabet Inc-CL A at 11% of the equity book. Cloning the disclosed picks since 2013 would be +487% (+15.0%/yr). That is a simulation of the disclosed long book, not audited returns.
The public view is the crawlable proof. The same sourced dataset is available through REST and MCP for agents, research scripts, and back-office tools.
This fund page is the Follow view. The Build view lets your agent pull holdings, quarter changes, overlap, and source filings through API or MCP.
curl -H "Authorization: Bearer YOUR_API_KEY" \ "https://arkolith.com/api/v1/funds/1510669/holdings"
Use Arkolith to show Contour Asset Management LLC's latest holdings, largest changes, and filing provenance.
Following at the filing date actually beat the quarter-end book by 119.4 points over this window.
Growth of $10,000 cloning Contour Asset Management LLC's disclosed long 13F book, rebalanced on each filing date (so it reflects the ~45-day reporting lag, no look-ahead), total-return basis (dividends reinvested), derived from end-of-day prices. “Their reported book” values the same picks from quarter-end, before they were public. S&P 500 is SPY total return over the same window. Excludes shorts, cash, options and non-13F holdings. Not investment advice.
Top-heavy: focused book
Share of the disclosed book in its largest positions. A higher top-5 share means a more concentrated, higher-conviction portfolio.
100% mapped to company sectors
Direct operating-company sectors from our SIC-based security master. ETF/fund and unclassified holdings stay visible separately; this is not ETF look-through exposure.
Estimated $ traded · quarter-end prices, no cost basis
Bars show each stock's share of the portfolio. Click a row for its position history.
| # | Security | Value | Shares | % Port | Last move | History |
|---|---|---|---|---|---|---|
| 1 | Alphabet Inc CAP STK CL A | $336.9M | 1.17M | 10.9% | ▲+10% Added · +111K sh | |
| 2 | Block Inc CL A | $272.9M | 4.53M | 8.9% | ▼−2.8% Reduced · −133K sh | |
| 3 | Lyft Inc CL A COM | $159.0M | 11.95M | 5.2% | ▲+205% Added · +8.0M sh | |
| 4 | Liberty Media Corp Del COM LBTY ONE S C | $156.2M | 1.84M | 5.1% | ▲+52% Added · +627K sh | |
| 5 | Broadcom Inc COM | $153.2M | 494.8K | 5.0% | ▲+156% Added · +302K sh | |
| 6 | Tesla Inc COM | $148.9M | 400.5K | 4.8% | ▲+368% Added · +315K sh | |
| 7 | Iron MTN Inc Del COM | $147.6M | 1.44M | 4.8% | ▼−49% Reduced · −1.4M sh | |
| 8 | Maplebear Inc COM | $145.9M | 3.89M | 4.7% | ▲New New position | |
| 9 | Roblox Corp CL A | $141.5M | 2.50M | 4.6% | ▲+390% Added · +2.0M sh | |
| 10 | Rocket Cos Inc COM CL A | $140.6M | 9.87M | 4.6% | ▲+157% Added · +6.0M sh | |
| 11 | Bill Holdings Inc COM | $128.0M | 3.34M | 4.2% | ▼−29% Reduced · −1.4M sh | |
| 12 | Global E Online Ltd SHS | $115.1M | 3.73M | 3.7% | ▼−23% Reduced · −1.1M sh | |
| 13 | PayPal Hldgs Inc COM | $110.7M | 2.45M | 3.6% | ▲New New position | |
| 14 | Trimble Inc COM | $110.2M | 1.69M | 3.6% | ▼−47% Reduced · −1.5M sh | |
| 15 | Oracle Corp COM | $94.0M | 639.1K | 3.1% | ▲New New position | |
| 16 | Qorvo Inc COM | $93.7M | 1.21M | 3.0% | ▼−46% Reduced · −1.0M sh | |
| 17 | MKS Inc. COM | $86.1M | 374.9K | 2.8% | ▲New New position | |
| 18 | Zeta Global Holdings Corp CL A | $80.6M | 5.06M | 2.6% | ▼−55% Reduced · −6.1M sh | |
| 19 | Liberty Global Ltd COM CL A | $73.4M | 6.07M | 2.4% | ▲+17% Added · +887K sh | |
| 20 | Viasat Inc COM | $70.0M | 1.53M | 2.3% | ▲New New position | |
| 21 | Madison Square GRDN SPRT Cor CL A | $66.0M | 205.3K | 2.1% | ▲+7.5% Added · +14K sh | |
| 22 | Take-Two Interactive Softwar COM | $63.3M | 320.4K | 2.1% | ▼−65% Reduced · −588K sh | |
| 23 | Akamai Technologies Inc COM | $56.1M | 488.8K | 1.8% | ▲New New position | |
| 24 | Applied Matls Inc COM | $48.3M | 141.3K | 1.6% | ▲New New position | |
| 25 | Liberty Global Ltd COM CL C | $30.7M | 2.62M | 1.0% | ▲+0.3% Added · +7K sh | |
| 26 | Wayfair Inc CL A | $24.7M | 328.7K | 0.8% | ▲New New position | |
| 27 | Enphase Energy Inc COM | $23.5M | 620.6K | 0.8% | ▲New New position |
As-of date vs the date the SEC received each filing
| Quarter | As of | Filed | Positions | Value | Form |
|---|---|---|---|---|---|
| Q1 2026 | Mar 31, 2026 | May 15, 2026 | 54 | $3.1B | 13F-HR |
| Q4 2025 | Dec 31, 2025 | Feb 17, 2026 | 57 | $4.3B | 13F-HR |
| Q3 2025 | Sep 30, 2025 | Nov 14, 2025 | 61 | $4.0B | 13F-HR |
| Q2 2025 | Jun 30, 2025 | Aug 14, 2025 | 55 | $3.1B | 13F-HR |
| Q1 2025 | Mar 31, 2025 | May 15, 2025 | 51 | $2.4B | 13F-HR |
| Q4 2024 | Dec 31, 2024 | Feb 14, 2025 | 53 | $3.5B | 13F-HR |
| Q3 2024 | Sep 30, 2024 | Nov 14, 2024 | 53 | $3.0B | 13F-HR |
| Q2 2024 | Jun 30, 2024 | Aug 14, 2024 | 55 | $3.0B | 13F-HR |
| Q1 2024 | Mar 31, 2024 | May 15, 2024 | 53 | $2.6B | 13F-HR |
| Q4 2023 | Dec 31, 2023 | Feb 16, 2024 | 45 | $2.4B | 13F-HR/A |
| Q3 2023 | Sep 30, 2023 | Nov 14, 2023 | 26 | $2.1B | 13F-HR |
| Q2 2023 | Jun 30, 2023 | Aug 14, 2023 | 23 | $2.2B | 13F-HR |
| Q1 2023 | Mar 31, 2023 | May 15, 2023 | 21 | $1.7B | 13F-HR |
| Q4 2022 | Dec 31, 2022 | Feb 14, 2023 | 26 | $1.6B | 13F-HR |
| Q3 2022 | Sep 30, 2022 | Nov 14, 2022 | 25 | $1.2B | 13F-HR |
| Q2 2022 | Jun 30, 2022 | Aug 15, 2022 | 22 | $1.3B | 13F-HR |
| Q1 2022 | Mar 31, 2022 | May 16, 2022 | 31 | $2.5B | 13F-HR |
| Q4 2021 | Dec 31, 2021 | Feb 14, 2022 | 31 | $2.8B | 13F-HR |
| Q3 2021 | Sep 30, 2021 | Nov 15, 2021 | 31 | $2.3B | 13F-HR |
| Q2 2021 | Jun 30, 2021 | Aug 16, 2021 | 26 | $2.2B | 13F-HR |
| Q1 2021 | Mar 31, 2021 | May 17, 2021 | 28 | $1.9B | 13F-HR |
| Q4 2020 | Dec 31, 2020 | Feb 16, 2021 | 39 | $2.7B | 13F-HR |
Holdings from SEC EDGAR 13F-HR filings, updated quarterly ~45 days after quarter-end. Public domain. The book and weighting are long equity only; disclosed put/call options are listed separately and excluded from those totals. The performance line is a simulation of the disclosed long book, not an audited return.