Fox Run Management, L.L.C. holds a diversified book of 891 stocks worth $603.3M as of Q2 2026 (disclosed Aug 4, 2026, a ~35-day 13F lag). This quarter they opened Uber Technologies Inc and trimmed Globalfoundries Inc. Their largest long position is SS Financial Select Sector at 1% of the equity book. Cloning the disclosed picks since 2025 would be +20% (+25.1%/yr). That is a simulation of the disclosed long book, not audited returns.
Following at the filing date actually beat the quarter-end book by 2.3 points over this window.
Growth of $10,000 cloning Fox Run Management, L.L.C.'s disclosed long 13F book, rebalanced on each filing date (so it reflects each quarter's actual reporting lag, ~35 days for the latest filing, with 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: diversified book
Share of the disclosed book in its largest positions. A higher top-5 share means a more concentrated, higher-conviction portfolio.
99% 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
Other tracked managers holding the same core names as Fox Run Management, L.L.C.
| Manager / fund | Shared names | Their $ in those |
|---|---|---|
| BlackRock, Inc. | 80 / 80 | $303.7B |
| STATE STREET CORP | 80 / 80 | $178.7B |
| FMR LLC | 80 / 80 | $81.4B |
| MORGAN STANLEY | 80 / 80 | $70.9B |
| PNC FINANCIAL SERVICES GROUP, INC. | 80 / 80 | $49.6B |
| BANK OF AMERICA CORP /DE/ | 80 / 80 | $48.2B |
| NORTHERN TRUST CORP | 80 / 80 | $36.9B |
| GOLDMAN SACHS GROUP INC | 80 / 80 | $35.1B |
Ranked by how many of Fox Run Management, L.L.C.'s top 80 disclosed names each fund also holds: a cross-fund conviction signal from the latest 13F of every tracked manager.
Bars show each stock's share of the portfolio. Click a row for its position history.
| # | Security | Value | Shares | % Port | Last move | History |
|---|---|---|---|---|---|---|
| 1 | Select Sector SPDR TR ST STR FINL ETF | $3.9M | 72.8K | 0.6% | ▲+194% Added · +48K sh | |
| 2 | Burlington Stores Inc COM | $2.6M | 8.3K | 0.4% | ▲11× Added · +8K sh | |
| 3 | Idexx Labs Inc COM | $2.6M | 5.0K | 0.4% | ▲+193% Added · +3K sh | |
| 4 | Oracle Corp COM | $2.6M | 17.7K | 0.4% | ▲+239% Added · +12K sh | |
| 5 | SPX Technologies Inc COM | $2.5M | 10.0K | 0.4% | ▲+293% Added · +7K sh | |
| 6 | Globalfoundries Inc ORDINARY SHARES | $2.4M | 29.4K | 0.4% | ▼−32% Reduced · −14K sh | |
| 7 | Uber Technologies Inc COM | $2.4M | 33.1K | 0.4% | ▲New New position | |
| 8 | Synopsys Inc COM | $2.4M | 5.3K | 0.4% | ▲New New position | |
| 9 | Vistra Corp COM | $2.4M | 14.9K | 0.4% | ▲+0.9% Added · +128 sh | |
| 10 | Intercontinental Exchange In COM | $2.3M | 18.4K | 0.4% | ▲11× Added · +17K sh | |
| 11 | Pentair PLC SHS | $2.2M | 29.3K | 0.4% | ▲New New position | |
| 12 | Lauder Estee Cos Inc CL A | $2.2M | 27.9K | 0.4% | ▲New New position | |
| 13 | Thermo Fisher Scientific Inc COM | $2.2M | 4.4K | 0.4% | ▲New New position | |
| 14 | Ferguson Enterprises Inc COMMON STOCK NEW | $2.2M | 9.1K | 0.4% | ▲New New position | |
| 15 | Guardant Health Inc COM | $2.1M | 14.2K | 0.4% | ▲New New position | |
| 16 | Amer Sports Inc COM SHS | $2.1M | 62.9K | 0.4% | ▲New New position | |
| 17 | Block Inc CL A | $2.1M | 28.0K | 0.4% | ▲New New position | |
| 18 | Fabrinet SHS | $2.1M | 3.8K | 0.4% | ▲+571% Added · +3K sh | |
| 19 | Zoetis Inc CL A | $2.1M | 29.5K | 0.4% | ▲New New position | |
| 20 | SS&C Tech Hldgs COM | $2.1M | 34.1K | 0.4% | ▲+32% Added · +8K sh | |
| 21 | Centuri Holdings Inc COM SHS | $2.1M | 69.4K | 0.3% | ▲+554% Added · +59K sh | |
| 22 | Atmos Energy Corp COM | $2.1M | 12.1K | 0.3% | ▲New New position | |
| 23 | Polaris Inc COM | $2.1M | 30.2K | 0.3% | ▲New New position | |
| 24 | Capital One Finl Corp COM | $2.0M | 10.2K | 0.3% | ▲+796% Added · +9K sh | |
| 25 | Newamsterdam Pharma Company ORDINARY SHARES | $2.0M | 59.5K | 0.3% | ▲New New position | |
| 26 | Kinder Morgan Inc Del COM | $1.9M | 59.8K | 0.3% | ▲New New position | |
| 27 | Dycom Inds Inc COM | $1.9M | 3.8K | 0.3% | ▲New New position | |
| 28 | Prologis Inc. COM | $1.9M | 14.1K | 0.3% | ▲New New position | |
| 29 | Interactive Brokers Group In COM CL A | $1.9M | 21.6K | 0.3% | ▲+254% Added · +15K sh | |
| 30 | Zurn Elkay Water Solns Corp COM | $1.9M | 37.1K | 0.3% | ▲New New position | |
| 31 | Jefferies Financial Group In COM | $1.9M | 37.1K | 0.3% | ▲New New position | |
| 32 | Ati Inc COM | $1.8M | 9.4K | 0.3% | ▲+14% Added · +1K sh | |
| 33 | First Bancorp Corporation COM NEW | $1.8M | 70.6K | 0.3% | ▲New New position | |
| 34 | Onemain Hldgs Inc COM | $1.8M | 30.1K | 0.3% | ▲+448% Added · +25K sh | |
| 35 | Medtronic PLC SHS | $1.8M | 23.4K | 0.3% | ▲+365% Added · +18K sh | |
| 36 | Msci Inc COM | $1.8M | 3.3K | 0.3% | ▲+28% Added · +712 sh | |
| 37 | Xpo Inc COM | $1.8M | 8.8K | 0.3% | ▲New New position | |
| 38 | Clear Secure Inc COM CL A | $1.8M | 32.2K | 0.3% | ▲New New position | |
| 39 | Scotts Miracle-Gro Co CL A | $1.8M | 26.2K | 0.3% | ▲New New position | |
| 40 | Compania De Minas Buenaventu SPONSORED ADR | $1.8M | 60.7K | 0.3% | ▲+77% Added · +26K sh | |
| 41 | Sensata Technologies Hldg PL SHS | $1.8M | 37.3K | 0.3% | ▲New New position | |
| 42 | Nlight Inc COM | $1.7M | 24.6K | 0.3% | ▲New New position | |
| 43 | Southwest Airls Co COM | $1.7M | 33.1K | 0.3% | ▲+38% Added · +9K sh | |
| 44 | Semtech Corp COM | $1.7M | 10.4K | 0.3% | ▲New New position | |
| 45 | Moog Inc CL A | $1.7M | 3.9K | 0.3% | ▲+424% Added · +3K sh | |
| 46 | RBC Bearings Inc COM | $1.7M | 2.6K | 0.3% | ▲New New position | |
| 47 | American Intl Group Inc COM NEW | $1.7M | 22.2K | 0.3% | ▲New New position | |
| 48 | Eli Lilly & Co COM | $1.6M | 1.4K | 0.3% | ▲+39% Added · +382 sh | |
| 49 | Natera Inc COM | $1.6M | 6.0K | 0.3% | ▲+120% Added · +3K sh | |
| 50 | Evercore Inc CLASS A | $1.6M | 4.7K | 0.3% | ▲New New position |
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/1533457/holdings"
Use Arkolith to show FOX RUN MANAGEMENT, L.L.C.'s latest holdings, largest changes, and filing provenance.
As-of date vs the date the SEC received each filing
Holdings from SEC EDGAR 13F-HR filings, updated quarterly, filed up to 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.