FR
Fox Run Management, L.l.c. — 13F Portfolio Changes & Top Buys (Q2 2026)
Fox Run Management, L.l.c.CIK: 0001533457
Diversified strategyHigh-turnover traderQuality / disciplined sizing
Total reported value
$603.3M
Reporting period: 2026-06-30 · Number of holdings: 891
FOX RUN MANAGEMENT, L.L.C. disclosed 891 holdings in its latest 13F filing for the period ending 2026-06-30, with total reported value of $603.3M and a quarterly turnover rate of 140.0%.
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Personality snowflake
- Concentration
- 0.69
- Portfolio Stability
- 100
- Momentum
- 22.22
- Sector conviction
- 39.09
- Diversification
- 100
- Sizing Uniformity
- 92.66
Fox Run Management, L.l.c.'s disclosed holdings carry a Herfindahl concentration index of 0.002 — mathematically equivalent to about 579 equally-sized positions, close to its 891 actual disclosed holdings. Value is spread relatively evenly across the portfolio rather than concentrated in a handful of names.
Position sizes are fairly uniform across the portfolio (a coefficient of variation of 0.73), suggesting a disciplined, rules-based approach to how much capital goes into each idea.
No strong tilt toward either adding to existing winners or initiating outsized new positions was observed in the latest reported quarter.
Source and citation information
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Recent moves
View source Form 13F filing on SEC.govTrim XLE
-90.7% -$8.6M
Sold out CMI
Add XLF
+193.5% $2.7M
Sold out FTI
New buy UBER
Add BURL
+952.6% $2.4M
Holdings Map
New buyAddUnchangedTrim
Top 10 holdings by weight
Full holdings list this quarter
Showing top 200 holdings (of 891 total)
| # | Ticker | Issuer | Asset Subclass | Weight | Weight Change | Shares Change | 4Q Trend |
|---|---|---|---|---|---|---|---|
| 1 | XLF | Ss Financial Select Sector | ETF-Other | 0.65% | +0.44% | +193.55% | |
| 2 | BURL | Burlington Stores Inc | Stock-Consumer Disc | 0.44% | +0.40% | +952.59% | |
| 3 | IDXX | Idexx Laboratories Inc | Stock-Healthcare | 0.43% | +0.26% | +192.52% | |
| 4 | ORCL | Oracle CORP | Stock-Tech | 0.43% | +0.30% | +238.78% | |
| 5 | SPXC | Spx Technologies Inc | Stock-Industrials | 0.41% | +0.32% | +293.27% | |
| 6 | GFS | GLOBALFOUNDRIES Inc. | Stock-Tech | 0.40% | +0.09% | -32.24% | |
| 7 | UBER | Uber Technologies Inc | Stock-Industrials | 0.40% | +0.40% | NEW | |
| 8 | SNPS | Synopsys Inc | Stock-Tech | 0.39% | +0.39% | NEW | |
| 9 | VST | Vistra CORP | Stock-Utilities | 0.39% | +0.01% | +0.87% | |
| 10 | ICE | Intercontinental Exchange In | Stock-Financials | 0.38% | +0.33% | +986.29% | |
| 11 | PNR | Pentair plc | Stock-Industrials | 0.37% | +0.37% | NEW | |
| 12 | EL | Estee Lauder Companies-cl A | Stock-Consumer Staples | 0.37% | +0.37% | NEW | |
| 13 | TMO | Thermo Fisher Scientific Inc | Stock-Healthcare | 0.36% | +0.36% | NEW | |
| 14 | FERG | Ferguson Enterprises Inc | Stock-Industrials | 0.36% | +0.36% | NEW | |
| 15 | GH | Guardant Health Inc | Stock-Healthcare | 0.35% | +0.35% | NEW | |
| 16 | AS | Amer Sports, Inc. | Stock-Consumer Disc | 0.35% | +0.35% | NEW | |
| 17 | XYZ | Block Inc | Stock-Financials | 0.35% | +0.35% | NEW | |
| 18 | FN | Fabrinet | Stock-Tech | 0.35% | +0.30% | +571.23% | |
| 19 | ZTS | Zoetis Inc | Stock-Healthcare | 0.35% | +0.35% | NEW | |
| 20 | SSNC | Ss&c Technologies Holdings | Stock-Tech | 0.35% | +0.05% | +32.04% | |
| 21 | CTRI | Centuri Holdings Inc | Stock-Other | 0.35% | +0.30% | +553.60% | |
| 22 | ATO | Atmos Energy CORP | Stock-Utilities | 0.35% | +0.35% | NEW | |
| 23 | PII | Polaris Inc | Stock-Consumer Disc | 0.34% | +0.34% | NEW | |
| 24 | COF | Capital One Financial CORP | Stock-Financials | 0.34% | +0.30% | +796.05% | |
| 25 | NAMS | NewAmsterdam Pharma Company N.V. | Stock-Other | 0.33% | +0.33% | NEW | |
| 26 | KMI | Kinder Morgan, Inc. | Stock-Energy | 0.32% | +0.32% | NEW | |
| 27 | DY | Dycom Industries Inc | Stock-Industrials | 0.32% | +0.32% | NEW | |
| 28 | PLD | Prologis Inc | Stock-Real Estate | 0.32% | +0.32% | NEW | |
| 29 | IBKR | Interactive Brokers Gro-cl A | Stock-Financials | 0.31% | +0.24% | +254.10% | |
| 30 | ZWS | Zurn Elkay Water Solutions C | Stock-Industrials | 0.31% | +0.31% | NEW | |
| 31 | JEF | Jefferies Financial Group In | Stock-Financials | 0.31% | +0.31% | NEW | |
| 32 | ATI | Ati Inc | Stock-Industrials | 0.31% | +0.12% | +14.23% | |
| 33 | FBP | First Bancorp Puerto Rico | Stock-Other | 0.31% | +0.30% | NEW | |
| 34 | OMF | Onemain Holdings Inc | Stock-Financials | 0.30% | +0.25% | +447.89% | |
| 35 | MDT | Medtronic plc | Stock-Healthcare | 0.30% | +0.22% | +364.87% | |
| 36 | MSCI | Msci Inc | Stock-Financials | 0.30% | +0.06% | +27.87% | |
| 37 | XPO | Xpo Inc | Stock-Industrials | 0.30% | +0.30% | NEW | |
| 38 | YOU | Clear Secure Inc -class A | Stock-Tech | 0.30% | +0.30% | NEW | |
| 39 | SMG | Scotts Miracle-gro Co | Stock-Materials | 0.30% | +0.30% | NEW | |
| 40 | BVN | Cia De Minas Buenaventur-adr | Stock-Other | 0.29% | +0.09% | +76.80% | |
| 41 | ST | Sensata Technologies Holding plc | Stock-Tech | 0.29% | +0.29% | NEW | |
| 42 | LASR | Nlight Inc | Stock-Other | 0.28% | +0.28% | NEW | |
| 43 | LUV | Southwest Airlines Co | Stock-Industrials | 0.28% | +0.13% | +37.58% | |
| 44 | SMTC | Semtech CORP | Stock-Tech | 0.28% | +0.28% | NEW | |
| 45 | MOG-A | Moog Inc-class A | Stock-Other | 0.28% | +0.24% | +423.54% | |
| 46 | RBC | RBC Bearings Inc | Stock-Industrials | 0.28% | +0.28% | NEW | |
| 47 | AIG | American International Group | Stock-Financials | 0.27% | +0.27% | NEW | |
| 48 | LLY | Eli Lilly & Co | Stock-Healthcare | 0.27% | +0.12% | +38.78% | |
| 49 | NTRA | Natera Inc | Stock-Healthcare | 0.27% | +0.18% | +120.04% | |
| 50 | EVR | Evercore Inc - A | Stock-Financials | 0.27% | +0.27% | NEW |
1–50 of 200
* This report is exclusively curated by the AlphaSMO team. AlphaSMO is the web's most authoritative 13F / Inside Trader database, delivering precise insider trading and institutional holdings insights.
Portfolio Performance
Performance for Q3 2026
+5.8%
Performance Last 4 Quarters
+18.4%
- Stdev
- +15%
- Beta
- +0.99
- Alpha
- -3.7%
- Max Drawdown
- -12.5%
- Annualized Perf
- +16.2%
- Batting Avg vs S&P
- +41.7%
- Sortino
- +1.98
- Stutzer
- +0.32
- Treynor
- +0.16
- Sterling
- +0.92
- Calmar
- +1.29
- Information Ratio
- -0.49
- Tracking Error
- +7.8%
- Stdev Down
- +8.2%
- Winning Months %
- +63.9%
- Losing Months %
- +36.1%
- Best 12 Months
- +32.9%
- Worst 12 Months
- -0.2%
- Efficiency Ratio
- +0.42
- Sharpe
- +1.08
- Stdev Sectors
- +6%
- Skewness
- -0.04
- Kurtosis
- -0.75
- Upside Potential
- +3.77
Reported value over time
Sector allocation
Sector allocation over time
Quarterly history
| Period | Holdings | Total value | Stability | Top holdings | |
|---|---|---|---|---|---|
| 2026 Q2 | 891 | $603.3M | 100 | ||
| 2026 Q1 | 856 | $571.6M | 100 | ||
| 2025 Q4 | 867 | $647.9M | 100 | ||
| 2025 Q3 | 872 | $641.4M | 100 | ||
| 2025 Q2 | 813 | $600.2M | 0 | ||
| 2025 Q1 | 870 | $645.6M | 100 | ||
| 2024 Q4 | 828 | $550.7M | 0 | ||
| 2024 Q3 | 761 | $449.4M | 0 | ||
| 2024 Q2 | 737 | $531.4M | 0 | ||
| 2024 Q1 | 713 | $463.8M | 0 | ||
| 2023 Q4 | 690 | $392.1M | 0 | ||
| 2023 Q3 | 664 | $337.9M | 0 | ||
| 2023 Q2 | 646 | $355.5M | 0 | ||
| 2023 Q1 | 619 | $307.0M | 0 | ||
| 2022 Q4 | 582 | $249.1M | 0 | ||
| 2022 Q3 | 577 | $257.1M | 0 | ||
| 2022 Q2 | 488 | $200.3M | 0 | ||
| 2022 Q1 | 475 | $179.6M | 0 | ||
| 2021 Q4 | 441 | $169.7M | 0 | ||
| 2021 Q3 | 446 | $158.8M | 0 | ||
| 2021 Q2 | 331 | $109.9M | 100 | ||
| 2021 Q1 | 194 | $55.5M | 100 | ||
| 2020 Q4 | 182 | $49.5M | 100 | ||
| 2020 Q3 | 154 | $39.9M | 100 | ||
| 2020 Q2 | 254 | $75.6M | 100 | ||
| 2020 Q1 | 106 | $42.2M | 100 | ||
| 2019 Q4 | 363 | $124.2M | 100 | ||
| 2019 Q3 | 338 | $109.9M | 100 | ||
| 2019 Q2 | 407 | $150.6M | 100 | ||
| 2019 Q1 | 433 | $177.0M | 100 | ||
| 2018 Q4 | 481 | $188.7M | 100 | ||
| 2018 Q3 | 536 | $229.4M | 100 | ||
| 2018 Q2 | 630 | $315.2M | 100 | ||
| 2018 Q1 | 690 | $412.5M | 100 | ||
| 2017 Q4 | 632 | $341.5M | 100 | ||
| 2017 Q3 | 643 | $353.1M | 100 | ||
| 2017 Q2 | 605 | $289.3M | 100 | ||
| 2017 Q1 | 544 | $245.1M | 100 | ||
| 2016 Q4 | 478 | $190.3M | 100 | ||
| 2016 Q3 | 463 | $169.6M | 100 | ||
| 2016 Q2 | 518 | $206.0M | 100 | ||
| 2016 Q1 | 391 | $149.6M | 100 | ||
| 2015 Q4 | 372 | $129.3M | — |
Holding changes this quarter
Fox Run Management, L.l.c.'s most significant position changes for 2026-06-30: Sold out: Cummins Inc (CMI); New buy: Uber Technologies Inc (UBER); New buy: Synopsys Inc (SNPS); Sold out: TechnipFMC plc (FTI); Sold out: Sysco CORP (SYY).
Showing top 200 changes by size (of 1374 total)
| # | Ticker | Issuer | Weight Change | Shares Change | Action |
|---|---|---|---|---|---|
| 1 | XLF | Ss Financial Select Sector | +0.4% | +193.55% | Add |
| 2 | UBER | Uber Technologies Inc | +0.4% | NEW | New buy |
| 3 | BURL | Burlington Stores Inc | +0.4% | +952.59% | Add |
| 4 | SNPS | Synopsys Inc | +0.4% | NEW | New buy |
| 5 | PNR | Pentair plc | +0.4% | NEW | New buy |
| 6 | EL | Estee Lauder Companies-cl A | +0.4% | NEW | New buy |
| 7 | TMO | Thermo Fisher Scientific Inc | +0.4% | NEW | New buy |
| 8 | FERG | Ferguson Enterprises Inc | +0.4% | NEW | New buy |
| 9 | GH | Guardant Health Inc | +0.4% | NEW | New buy |
| 10 | AS | Amer Sports, Inc. | +0.4% | NEW | New buy |
| 11 | XYZ | Block Inc | +0.4% | NEW | New buy |
| 12 | ZTS | Zoetis Inc | +0.4% | NEW | New buy |
| 13 | ATO | Atmos Energy CORP | +0.4% | NEW | New buy |
| 14 | PII | Polaris Inc | +0.3% | NEW | New buy |
| 15 | NAMS | NewAmsterdam Pharma Company N.V. | +0.3% | NEW | New buy |
| 16 | ICE | Intercontinental Exchange In | +0.3% | +986.29% | Add |
| 17 | SPXC | Spx Technologies Inc | +0.3% | +293.27% | Add |
| 18 | KMI | Kinder Morgan, Inc. | +0.3% | NEW | New buy |
| 19 | DY | Dycom Industries Inc | +0.3% | NEW | New buy |
| 20 | PLD | Prologis Inc | +0.3% | NEW | New buy |
| 21 | ZWS | Zurn Elkay Water Solutions C | +0.3% | NEW | New buy |
| 22 | JEF | Jefferies Financial Group In | +0.3% | NEW | New buy |
| 23 | ORCL | Oracle CORP | +0.3% | +238.78% | Add |
| 24 | FN | Fabrinet | +0.3% | +571.23% | Add |
| 25 | COF | Capital One Financial CORP | +0.3% | +796.05% | Add |
| 26 | FBP | First Bancorp Puerto Rico | +0.3% | NEW | New buy |
| 27 | XPO | Xpo Inc | +0.3% | NEW | New buy |
| 28 | CTRI | Centuri Holdings Inc | +0.3% | +553.60% | Add |
| 29 | YOU | Clear Secure Inc -class A | +0.3% | NEW | New buy |
| 30 | SMG | Scotts Miracle-gro Co | +0.3% | NEW | New buy |
| 31 | ST | Sensata Technologies Holding plc | +0.3% | NEW | New buy |
| 32 | LASR | Nlight Inc | +0.3% | NEW | New buy |
| 33 | SMTC | Semtech CORP | +0.3% | NEW | New buy |
| 34 | RBC | RBC Bearings Inc | +0.3% | NEW | New buy |
| 35 | AIG | American International Group | +0.3% | NEW | New buy |
| 36 | EVR | Evercore Inc - A | +0.3% | NEW | New buy |
| 37 | TTC | Toro Co | +0.3% | NEW | New buy |
| 38 | TSEM | Tower Semiconductor Ltd. | +0.3% | NEW | New buy |
| 39 | IDXX | Idexx Laboratories Inc | +0.3% | +192.52% | Add |
| 40 | COCO | Vita Coco Co Inc/the | +0.3% | NEW | New buy |
| 41 | OMF | Onemain Holdings Inc | +0.3% | +447.89% | Add |
| 42 | ICLR | ICON Public Limited Company | +0.3% | NEW | New buy |
| 43 | STM | Stmicroelectronics Nv-ny Shs | +0.3% | NEW | New buy |
| 44 | IBKR | Interactive Brokers Gro-cl A | +0.2% | +254.10% | Add |
| 45 | KRC | Kilroy Realty CORP | +0.2% | NEW | New buy |
| 46 | OC | Owens Corning | +0.2% | NEW | New buy |
| 47 | AMT | American Tower CORP | +0.2% | NEW | New buy |
| 48 | BC | Brunswick CORP | +0.2% | NEW | New buy |
| 49 | MOG-A | Moog Inc-class A | +0.2% | +423.54% | Add |
| 50 | INTU | Intuit Inc | +0.2% | NEW | New buy |
1–50 of 200
Filing History
FAQ
What is Fox Run Management, L.l.c. and what type of investor is it?
Fox Run Management, L.l.c. is an investment manager that files SEC Form 13F quarterly, disclosing its U.S. public equity holdings to regulators. As of the most recent reporting period (2026-06-30), the firm manages a tracked equity portfolio valued at approximately $603.3M, spread across 891 disclosed positions.
What are Fox Run Management, L.l.c.'s largest equity positions?
Based on the latest 13F filing, Fox Run Management, L.l.c.'s top holdings by market value are:
1. Ss Financial Select Sector (XLF) — $3.9M (0.7%)
2. Burlington Stores Inc (BURL) — $2.6M (0.4%)
3. Idexx Laboratories Inc (IDXX) — $2.6M (0.4%)
4. Oracle CORP (ORCL) — $2.6M (0.4%)
5. Spx Technologies Inc (SPXC) — $2.5M (0.4%)
What changes did Fox Run Management, L.l.c. make in its most recent portfolio filing?
In the latest reported quarter, Fox Run Management, L.l.c. made 200 notable position adjustments: 78 new positions were initiated, 20 existing holdings were added to, 22 positions were partially reduced, and 80 were completely exited. The largest of these moves: Sold out: Cummins Inc (CMI); New buy: Uber Technologies Inc (UBER); New buy: Synopsys Inc (SNPS); Sold out: TechnipFMC plc (FTI); Sold out: Sysco CORP (SYY)
What sectors does Fox Run Management, L.l.c. focus on?
Fox Run Management, L.l.c. is concentrated in the following sectors based on its current disclosed equity portfolio:
• Industrials: 19.4%
• Information Technology: 17.8%
• Financials: 16.9%
• Health Care: 10.6%
• Consumer Discretionary: 10.2%
• Real Estate: 5.7%
Investment Profile
Fox Run Management, L.l.c. returned an annualized 16.2% over the trailing 36 months — underperforming the S&P 500 by 3.7 points — based on a reconstructed track record of its disclosed 13F positions, with a beta of 0.99 (roughly in line with the market) and a 42% quarterly batting average against the index.
Its portfolio is broadly diversified and fast-trading.
Its turnover score has risen from 0 to 100 over the past 4 quarters — a shift toward more active trading.
It has added to its IDXX position over the past two quarters (+$2.0M, now $2.6M), while trimming ZBRA over the same stretch (-$2.3M, still holding $696.6K).
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