Institutional Manager · CIK 0001533457
FOX RUN MANAGEMENT, L.L.C.
GREENWICH, CT · File #028-17069
Latest AUM
$647.9M
Positions
867
Top-10 Concentration
33.9%
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 | SPDR S&P 500 ETF TR | SPY | +9,807 | +$6.7M | $0 |
| NEW | ISHARES TR | 464287655 | +27,048 | +$6.7M | $0 |
| ADD | SELECT SECTOR SPDR TR | 81369Y605 | +91,600 | +$5.0M | +$72,000 |
| EXITED | ISHARES TR | 464287739 | -40,100 | -$3.9M | $0 |
| REDUCE | SELECT SECTOR SPDR TR | 81369Y506 | -73,700 | -$3.3M | -$3.9M |
| NEW | BLACKROCK INC | BLK | +2,699 | +$2.9M | $0 |
| NEW | WABTEC | 929740108 | +12,432 | +$2.7M | $0 |
| EXITED | REGENERON PHARMACEUTICALS | 75886F107 | -4,413 | -$2.5M | $0 |
| NEW | ROCKWELL AUTOMATION INC | ROK | +6,368 | +$2.5M | $0 |
| ADD | ROBLOX CORP | RBLX | +29,982 | +$2.4M | -$169,768 |
Sector Allocation
Filing History
- 13F HOLDINGS REPORTQ/E Dec 2025867 pos · $647.9M
- 13F HOLDINGS REPORTQ/E Sep 2025872 pos · $641.4M
- 13F HOLDINGS REPORTQ/E Jun 2025813 pos · $600.2M
- 13F HOLDINGS REPORTQ/E Mar 2025870 pos · $645.6M
- 13F HOLDINGS REPORTQ/E Dec 2024828 pos · $550.7M
- 13F HOLDINGS REPORTQ/E Sep 2024761 pos · $449.4M
- 13F HOLDINGS REPORTQ/E Jun 2024737 pos · $531.4M
- 13F HOLDINGS REPORTQ/E Mar 2024713 pos · $463.8M
- 13F HOLDINGS REPORTQ/E Dec 2023664 pos · $337.9M
Top 20 Holdings — Dec 2025
| # | Issuer | Ticker | Shares | Value | % of Portfolio |
|---|---|---|---|---|---|
| 1 | SELECT SECTOR SPDR TR | 81369Y605 | 171,600 | $9.4M | 7.62% |
| 2 | SPDR S&P 500 ETF TR | SPY | 9,807 | $6.7M | 5.43% |
| 3 | ISHARES TR | 464287655 | 27,048 | $6.7M | 5.40% |
| 4 | ZEBRA TECHNOLOGIES CORPORATI | ZBRA | 12,412 | $3.0M | 2.44% |
| 5 | BLACKROCK INC | BLK | 2,699 | $2.9M | 2.34% |
| 6 | RALPH LAUREN CORP | RL | 7,800 | $2.8M | 2.24% |
| 7 | ROBLOX CORP | RBLX | 32,935 | $2.7M | 2.16% |
| 8 | WABTEC | 929740108 | 12,432 | $2.7M | 2.15% |
| 9 | HUBSPOT INC | HUBS | 6,435 | $2.6M | 2.09% |
| 10 | GARMIN LTD | GRMN | 12,259 | $2.5M | 2.02% |
| 11 | ROCKWELL AUTOMATION INC | ROK | 6,368 | $2.5M | 2.01% |
| 12 | JFROG LTD | FROG | 39,488 | $2.5M | 2.00% |
| 13 | GODADDY INC | GDDY | 19,673 | $2.4M | 1.98% |
| 14 | NORTHROP GRUMMAN CORP | NOC | 4,209 | $2.4M | 1.95% |
| 15 | MSCI INC | MSCI | 4,112 | $2.4M | 1.91% |
| 16 | ALIGN TECHNOLOGY INC | ALGN | 14,966 | $2.3M | 1.90% |
| 17 | INTERNATIONAL BUSINESS MACHS | INTR | 7,853 | $2.3M | 1.89% |
| 18 | DYNATRACE INC | DT | 53,422 | $2.3M | 1.88% |
| 19 | INGERSOLL RAND INC | IR | 28,870 | $2.3M | 1.86% |
| 20 | BRISTOL-MYERS SQUIBB CO | CELG-RI | 42,032 | $2.3M | 1.84% |