Crowding Tracker: Hedge Funds, Family Offices & Endowments
As of Q1 2026, AMZN is the most institutionally crowded U.S. equity, held by 70 funds in the 13F universe.
Pactolio’s crowding tracker covers over 5,000 stocks across 202 institutional investors, based on SEC Form 13F filings.
Top 15 Most Crowded U.S. Stocks — Q1 2026
Highest institutional concentration by 13F fund count; ranked from the latest SEC Form 13F-HR filing cycle.
| # | Ticker | Company | Sector | Funds Holding | Avg Weight |
|---|---|---|---|---|---|
| 1 | AMZN | AMAZON COM INC | Consumer Cyclical | 70 | 5.59% |
| 2 | MSFT | MICROSOFT CORP | Technology | 59 | 3.05% |
| 3 | GOOGL | ALPHABET INC | Communication Services | 58 | 3.60% |
| 4 | TSM | TAIWAN SEMICONDUCTOR MANUFAC | Technology | 53 | 3.88% |
| 5 | META | META PLATFORMS INC | Communication Services | 52 | 4.21% |
| 6 | GOOG | ALPHABET INC | Communication Services | 48 | 4.93% |
| 7 | NVDA | NVIDIA CORPORATION | Technology | 46 | 4.29% |
| 8 | V | VISA INC | Financial Services | 42 | 3.89% |
| 9 | MA | MASTERCARD INCORPORATED | Financial Services | 29 | 5.08% |
| 10 | AAPL | APPLE INC | Technology | 28 | 0.80% |
| 11 | BRK/B | BERKSHIRE HATHAWAY INC DEL | Financial Services | 28 | 1.83% |
| 12 | AVGO | BROADCOM INC | Technology | 28 | 2.00% |
| 13 | DIS | DISNEY WALT CO | Communication Services | 25 | 1.64% |
| 14 | SPGI | S&P GLOBAL INC | Financial Services | 24 | 1.32% |
| 15 | COF | CAPITAL ONE FINL CORP | Financial Services | 21 | 3.30% |
Top 15 Most-Crowded TradesQ1 2026
Sorted by number of distinct hedge funds holding the name · change versus Q4 2025.
| # | Ticker / Company | Sector | Funds | Δ QoQ | Median Wt | Trend |
|---|---|---|---|---|---|---|
| 1 | AMZNAMAZON COM INC | Consumer Cyclical | 70 | ↓ 6 | 5.6% | |
| 2 | MSFTMICROSOFT CORP | Technology | 59 | ↓ 8 | 3.0% | |
| 3 | GOOGLALPHABET INC | Communication Services | 58 | ↓ 1 | 3.6% | |
| 4 | TSMTAIWAN SEMICONDUCTOR MANUFAC | Technology | 53 | 0 | 3.9% | |
| 5 | METAMETA PLATFORMS INC | Communication Services | 52 | ↑ 1 | 4.2% | |
| 6 | GOOGALPHABET INC | Communication Services | 48 | ↑ 1 | 4.9% | |
| 7 | NVDANVIDIA CORPORATION | Technology | 46 | 0 | 4.3% | |
| 8 | VVISA INC | Financial Services | 42 | ↑ 2 | 3.9% | |
| 9 | MAMASTERCARD INCORPORATED | Financial Services | 29 | ↑ 1 | 5.1% | |
| 10 | AAPLAPPLE INC | Technology | 28 | ↑ 1 | 0.8% | |
| 11 | BRK/BBERKSHIRE HATHAWAY INC DEL | Financial Services | 28 | ↑ 1 | 1.8% | |
| 12 | AVGOBROADCOM INC | Technology | 28 | ↑ 1 | 2.0% | |
| 13 | DISDISNEY WALT CO | Communication Services | 25 | ↓ 1 | 1.6% | |
| 14 | SPGIS&P GLOBAL INC | Financial Services | 24 | ↑ 1 | 1.3% | |
| 15 | COFCAPITAL ONE FINL CORP | Financial Services | 21 | ↓ 7 | 3.3% |
Interactive 3D Crowding Universe
Visualize structural ownership trends across hedge funds, family offices, and endowments over time. Each data point represents a stock-quarter: the X-axis tracks time, the Y-axis tracks the number of distinct institutional entities holding the position, and the Z-axis segments equities by sector.
Navigation: Drag to rotate, scroll to zoom, and hover for specific institutional-count details. Click any sphere to view that stock's complete ownership profile.
Analysis: The in-chart leaderboard displays the most crowded names for the current view; click a row to highlight its trajectory, and use ticker links to open each stock's holders page. Select a specific sector from the dropdown to isolate trajectory lines for its top five equities.
Methodology & FAQ
What is Stock Crowding?
Stock crowding is a structural market condition where a significant volume of institutional capital—e.g. from Hedge Funds, Family Offices, and Endowments—is concentrated in the same equity.
What does Stock Crowding tell us?
Crowding is a descriptive metric of consensus positioning, not a predictive directional signal. A high fund count means many institutions agree on a position, but for investors, extreme consensus is a structural market condition. Historically, this peak crowding coincides with either sustained multi-quarter momentum or sharp mean-reversion episodes as consensus positions unwind.
How is crowding tracked across Hedge Funds, Family Offices, and Endowments?
Crowding metrics are derived by aggregating SEC Form 13F-HR filings submitted by institutional investment managers. For each security, we count the number of distinct filers reporting a long position and calculate the median portfolio weight across those filers.
What are the primary metrics for measuring stock concentration?
Our platform tracks two core indicators:
- Distinct Institutional Count: The number of unique funds holding a position.
- Median Portfolio Concentration: The position's weight relative to the fund's total reported 13F market value.
How is the crowding universe constructed?
Our default "Latest" view ranks the top 150 U.S. securities by the number of distinct 13F filers reporting a long position in the most recent available quarter.